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PIC16C926T-I/PT - 14KB OTP LCD MCU, 64-TQFP | Microchip
PIC16C926T-I/PT

PIC16C926T-I/PT - 14KB OTP LCD MCU, 64-TQFP | Microchip

The Microchip Technology PIC16C926T-I/PT is a CMOS OTP-based 8-bit PIC microcontroller with integrated LCD driver, 14KB (8K x 14) of program memory, 336 bytes of RAM, and 52 digital I/O lines, housed in a 64-pin TQFP (PT) package rated for the industrial temperature range. It executes instructions in 200 ns (5 MIPS at 20 MHz) using only 35 single-word instructions, making it well suited to cost-sensitive embedded designs that need LCD glass drive capability without external driver ICs. A PIC microcontroller is a Harvard-architecture 8-bit RISC device from Microchip's PIC16 family. PIC MCUs sit in the broader taxonomy of microcontroller -> embedded controller -> semiconductor IC, and OTP (One-Time Programmable) variants are positioned as the lowest-cost option in the family because they cannot be re-programmed after the initial fuse blow, unlike flash-based PIC16F parts. The PIC16C926 belongs to Microchip's mid-range PIC16C9xx sub-family, which adds on-chip LCD segment drive to the standard peripheral set. Key features of the PIC16C926T-I/PT include a maximum clock of 20 MHz (5 MIPS core throughput), four 8-bit timer/counters, a 10-bit multi-channel ADC, an integrated LCD driver supporting up to 4 commons and 32 segments (128 segments total), 336 bytes of data RAM, two analog comparators, a USART, and an SSP (Synchronous Serial Port) for I2C/SPI. The 64-pin TQFP package exposes 52 general-purpose I/O pins while still leaving pins dedicated to the LCD driver. Architecturally, the device uses Microchip's mid-range 14-bit instruction set, an 8-level hardware stack, and a configurable oscillator block that supports external crystal, resonator, RC, and internal oscillator modes. The OTP program memory is programmed via the standard ICSP (In-Circuit Serial Programming) interface using two pins (RB6/RB7), so even though the memory cannot be re-written, board-level firmware updates during pilot builds remain possible. Typical applications include white-goods and consumer appliances with LCD display panels (washing machines, microwave ovens, thermostats), industrial control HMIs, medical device front panels such as blood-pressure monitors and glucose meters, automotive interior accessories, point-of-sale terminals, and instrumentation requiring an on-glass display. The integrated LCD driver removes the need for an external segment driver or voltage-boost circuitry in simple mono-chrome glass designs. When designing with this device, note that OTP memory means firmware must be 100% verified before production programming, so the flash-based PIC16F926 (same peripheral set and pinout) is often preferred for development and then substituted into the PIC16C926T-I/PT for cost-down production. The 64-pin TQFP is also offered in a 68-pin PLCC variant for the same die; pin-compatible migration requires re-routing the four extra pins. This page synthesizes verified distributor pricing, drop-in same-package alternatives from the PIC16C9xx family, and practical design notes covering oscillator selection, LCD bias network sizing, and ICSP programming that are not duplicated in the manufacturer datasheet summary.

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PIC16CE623-04E/P - 4MHz 8-Bit OTP MCU, 896B, 128B EEPROM | Microchip
PIC16CE623-04E/P

PIC16CE623-04E/P - 4MHz 8-Bit OTP MCU, 896B, 128B EEPROM | Microchip

The Microchip Technology PIC16CE623-04E/P is an 8-bit PIC microcontroller from the PIC16C family, integrating 896 bytes of One-Time Programmable (OTP) program memory, 96 bytes of SRAM, and 128 bytes of EEPROM data memory in an 18-pin PDIP through-hole package. Operating from a 3V to 5.5V supply at 4MHz, this automotive-temperature-grade (E suffix) part delivers deterministic single-cycle instruction execution at 200 ns instruction cycles. An 8-bit microcontroller (MCU) is a self-contained single-chip computer that integrates a CPU, program memory (ROM/Flash/OTP), data memory (RAM), non-volatile data memory (EEPROM), and configurable digital I/O peripherals on a single die. In the broader semiconductor taxonomy, the PIC16CE623 belongs to the microcontroller (MCU) family, which itself is a sub-class of microcomputer -> embedded processor -> integrated circuit. The PIC architecture follows a Harvard RISC model with separated program and data buses, enabling simultaneous instruction fetch and operand access. Key features include 13 bidirectional digital I/O pins, an integrated EEPROM data area for non-volatile parameter storage (calibration, serial numbers, configuration), a hardware timer/counter subsystem, and the standard PIC mid-range peripheral set (interrupt controller, watchdog timer, sleep mode for power savings). The '04' speed suffix specifies 4MHz maximum clock input, and the 'E' industrial/automotive temperature grade extends operation across -40C to +125C, qualifying the part for harsh-environment and automotive under-hood deployments. Architecturally, the PIC16CE623 implements a 14-bit instruction word for compact code density and uses 35 single-word instructions plus 200 ns single-cycle execution (except branches, which are 2-cycle). Its CMOS process delivers low quiescent current suitable for battery-backed and sleep-mode applications. The integrated 128-byte EEPROM is byte-erasable and rated for >1M erase/write cycles, providing on-chip non-volatile storage that would otherwise require an external serial EEPROM. Typical applications include automotive body and chassis controllers, appliance control boards, industrial sensor signal conditioning front-ends, low-cost remote-control transmitters, simple closed-loop regulators, and consumer white goods. The 18-pin PDIP package is preferred for hobby, prototyping, educational, and legacy industrial designs because it is socketable, hand-solderable, and breadboard-friendly. The '04E/P' suffix designates 4MHz max clock, automotive temperature grade, and PDIP through-hole package. When designing with this part, note that OTP memory cannot be re-programmed - firmware must be fully validated before committing. Designers migrating to a flash-based variant (e.g., PIC16F627A) gain re-programmability while retaining pin compatibility. The 18-pin PDIP footprint matches other PIC16C6x/62x/84/84A devices, easing PCB layout reuse. Decoupling: place a 100 nF ceramic capacitor as close as possible to the VDD pin and a 10 uF bulk capacitor near the IC supply trace. This page synthesizes distributor pricing, drop-in same-package alternatives, an 18-pin PDIP pinout reference, and practical design notes for the PIC16CE623-04E/P - content not consolidated on the manufacturer datasheet alone.

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PIC16CE623-04I/P - 4MHz 8-Bit OTP MCU, 18-PDIP | Microchip
PIC16CE623-04I/P

PIC16CE623-04I/P - 4MHz 8-Bit OTP MCU, 18-PDIP | Microchip

The Microchip Technology PIC16CE623-04I/P is an 8-bit CMOS microcontroller from the PIC16C family, operating at 4 MHz with 896B (512 x 14) of One-Time-Programmable (OTP) program memory and integrated EEPROM data memory, housed in a 18-pin PDIP (0.300 inch) through-hole package. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, working RAM, EEPROM/Flash data memory, and programmable I/O peripherals. Within the broader semiconductor taxonomy, an MCU belongs to the microcontrollers category, then to integrated circuits, then to semiconductors. The "C" suffix in PIC16CE623 indicates the EPROM/OTP program-memory process node used in mid-1990s PIC designs; the "E" designates on-chip EEPROM data memory; the "623" indicates a specific peripheral mix (capture/compare/PWM, comparator, voltage reference) within the PIC16C6xx family. Key features include a 35-instruction RISC architecture with 200 ns single-cycle execution (except 2-cycle branches), 96 bytes of RAM, 13 digital I/O pins, an internal 4 MHz RC oscillator option plus external crystal support, and a 3.0 V to 5.5 V single-supply operating range. The device draws typically < 2 mA active at 5 V / 4 MHz and supports a power-saving SLEEP mode. Brown-out reset (BOR), watchdog timer (WDT), and an 8-bit timer/counter with prescaler provide robust embedded control. Technically, the PIC16CE623-04I/P uses a 14-bit instruction word Harvard architecture with separate code and data buses, allowing simultaneous instruction fetch and data access. The integrated EEPROM (16 bytes typical) provides non-volatile storage for user data without external components. The "04" speed suffix specifies 4 MHz maximum oscillator frequency, and the "I" industrial temperature grade extends operation from -40 C to +85 C. Typical applications include low-cost consumer appliances, IR remote controls, sensor interface boards, battery-powered instrumentation, small motor control, and legacy industrial controllers. Designers choose this part when a simple 8-bit controller with non-volatile parameter storage is needed at minimum BOM cost. When designing with this device, reserve the OTP window: because program memory is one-time-programmable, firmware must be fully validated in-circuit-emulation or windowed-EPROM equivalents (PIC16CR623) before committing to production OTP parts. For new designs, Microchip recommends the pin-compatible PIC16F627A-I/P Flash-based successor. This page synthesizes distributor pricing, package-pinned drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet.

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PIC16CE623-04I/SO - 8-bit OTP MCU 896B | 13 I/O | SOIC-18
PIC16CE623-04I/SO

PIC16CE623-04I/SO - 8-bit OTP MCU 896B | 13 I/O | SOIC-18

The Microchip Technology PIC16CE623-04I/SO is an 8-bit CMOS EPROM-based microcontroller that packs Microchip's powerful PIC architecture into an 18-pin SOIC package. It features 896 bytes of OTP program memory, 96 bytes of RAM, 128 bytes of EEPROM data memory, and 13 digital I/O pins, operating from a 20 MHz clock input (4 MHz internal) with a 200 ns instruction cycle. The "-04" speed designation indicates a 4 MHz oscillator option, while "I" denotes the industrial temperature grade of -40C to +85C. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, RAM, and configurable peripherals on a single die. The PIC16CE62X family belongs to the mid-range PICmicro lineage, sitting between the baseline 8-bit PIC10/12/16 families and the enhanced 16-bit dsPIC/PIC24 architectures. Compared with discrete logic, an MCU reduces BOM count and PCB area by replacing timers, counters, glue logic, and communication glue with on-chip peripherals. The PIC16CE623 specifically adds EEPROM data memory, allowing non-volatile storage of calibration constants, configuration data, and user-set parameters without external serial EEPROMs. Key features include 35 single-word instructions (most executed in one instruction cycle, two for program branches), a programmable watchdog timer with on-chip RC oscillator, an internal 4 MHz oscillator option, and a 5-channel 8-bit analog-to-digital converter (ADC) on related family members. The PIC16CE623 also includes two analog comparators and a programmable voltage reference, enabling on-board signal conditioning. With 13 bidirectional I/O pins capable of sourcing/sinking 25 mA per pin, the device can directly drive LEDs, relays, and small solenoids. The device is fabricated in CMOS technology with EPROM program storage and integrated EEPROM data, powered from a single 2.5V to 5.5V supply. It is offered in industrial temperature grade, making it suitable for harsh-environment embedded designs. Per Microchip documentation, all PIC16CE62X parts share the same instruction set and core peripherals, simplifying code migration within the family. Typical applications include appliance controls, sensor signal conditioning, security and access control panels, low-end remote controls, automotive body electronics subsystems, and small industrial timers and counters. The combination of EPROM, EEPROM, comparators, and 13 I/O makes it well-suited to designs that need analog threshold detection plus logic control in one chip. When designing with PIC16CE623-04I/SO, note that OTP (One-Time-Programmable) memory cannot be erased, so firmware bugs require device replacement. For prototype development, the pin-compatible PIC16F62X Flash-based family (e.g., PIC16F627A) provides in-circuit reprogrammability on the same 18-pin SOIC footprint. This page synthesizes distributor pricing, drop-in alternatives, comparison data, and design notes not found in a single manufacturer datasheet view, helping engineers evaluate replacement options and board-level trade-offs.

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PIC16CE623-04I/SS - 8-Bit OTP MCU 4MHz 896B | Microchip
PIC16CE623-04I/SS

PIC16CE623-04I/SS - 8-Bit OTP MCU 4MHz 896B | Microchip

The Microchip PIC16CE623-04I/SS is an 8-bit RISC microcontroller from the PIC16C family with 896 bytes of one-time-programmable (OTP) program memory, 128 bytes of EEPROM data memory, and 96 bytes of RAM, packaged in a 20-pin SSOP (0.209 inch / 5.30mm width) for surface-mount designs. It executes instructions at 4 MHz from a 4 MHz internal oscillator, supporting industrial temperature range operation from -40C to +85C at 2.5V to 5.5V supply. The device exposes 13 general-purpose I/O pins, a 5-channel 8-bit ADC, and on-chip EEPROM that makes it suitable for applications requiring non-volatile parameter storage. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, data memory, and configurable peripherals on a single die, allowing designers to embed intelligence in any electronic product. The PIC16CE62X family belongs to Microchip's mid-range 8-bit RISC architecture and sits inside the broader category of microcontrollers, embedded controllers, and finally integrated circuits. Within the product hierarchy, this part is a one-time-programmable (OTP) variant that uses EPROM technology for program storage combined with a separate EEPROM array for user data, a pattern Microchip uses to differentiate reprogrammable (FLASH) and OTP/EPROM members of the same pin-compatible family. Key specifications include 4 MHz maximum clock, 13 I/O lines multiplexed with ADC inputs, a hardware USART/SCI port on higher pin-count variants, two 8-bit timers plus one 16-bit timer, a 5-channel 8-bit analog-to-digital converter, and an internal EEPROM rated at 1 million erase/write cycles typical. The device draws approximately 2 mA active at 5V/4MHz and falls to a few microamps in sleep mode, making it well-suited for line-powered or battery-tolerant industrial controls. The SSOP-20 footprint is JEDEC-standard and shared with many PIC16C/16F siblings, simplifying PCB reuse. The architecture uses a Harvard design with separate program and data buses and a 14-bit instruction word, executing most instructions in a single clock cycle for a throughput of about 4 MIPS at 4 MHz. Peripherals are accessed through a memory-mapped SFR block. Brown-out reset, power-on reset, watchdog timer with on-chip RC oscillator, and code protection are all integrated. Compared with newer PIC16F1xxx parts that share the SSOP-20 footprint, the PIC16CE623 retains its position where OTP, lower cost, and proven legacy code bases are valued over in-application reprogrammability. Typical applications include appliance control boards, security panel keypads, low-end remote controls, sensor signal conditioners with on-chip EEPROM calibration storage, and industrial instrumentation that requires digital I/O and a small ADC. The on-chip EEPROM makes this part attractive for designs where manufacturing calibration data or user preferences must persist across power cycles. The wide operating voltage and industrial temperature range also suit HVAC controllers, smart metering peripherals, and 4-20 mA loop-powered sensor nodes. When designing with this part, ensure your programmer supports OTP/EPROM devices, since the program memory cannot be erased and rewritten once blown. For prototyping or field-updatable firmware, consider the FLASH-based PIC16F628 or PIC16F648A in the same SSOP-20 footprint as development parts, then move to PIC16CE623-04I/SS for volume production where the per-unit cost benefit of OTP outweighs in-system reprogrammability.

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PIC16CE623-20/P - 8-bit OTP MCU, 20MHz, 896B | Microchip
PIC16CE623-20/P

PIC16CE623-20/P - 8-bit OTP MCU, 20MHz, 896B | Microchip

The Microchip Technology PIC16CE623-20/P is an 8-bit CMOS OTP (One-Time Programmable) RISC microcontroller in a 18-pin PDIP (through-hole) package, with 20MHz maximum clock input delivering 200ns instruction cycle (except program branches which are two-cycle). It integrates 896 bytes of program memory (512 x 14-bit words), 96 bytes of data RAM, and 128 bytes of EEPROM data memory, plus 13 digital I/O pins arranged across PORTA (5 bits) and PORTB (8 bits). An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, I/O peripherals and timers on one die. Within the broader taxonomy, the PIC16CE623 belongs to the 8-bit MCU -> RISC MCU -> PIC16 family -> embedded controller hierarchy. The 'CE' suffix indicates the on-chip EEPROM data memory variant of Microchip's mid-range PIC16C6xx family, which targets applications requiring small, deterministic, low-cost control with non-volatile user data storage. Key features include 35 single-word instructions, four interrupt sources, a Watchdog Timer with on-chip RC oscillator, programmable code protection, an 8-bit Timer0 with 8-bit programmable prescaler, an 8-bit Timer1 with external crystal, and a wide operating voltage range of 3.0V to 5.5V. The OTP program memory allows factory or field programming, while the integrated EEPROM provides 1M erase/write cycle endurance and >40-year retention for parameter storage. Architecturally, the PIC16CE623 uses a Harvard-style separate code/data bus design with a 14-bit instruction word. The RISC pipeline fetches and executes one instruction per cycle, and the device supports in-circuit serial programming (ICSP) via RB6/RB7. Power-down (SLEEP) mode and selectable oscillator options (RC, XT, HS, LP) make it adaptable to cost-sensitive or battery-aware designs. Typical applications include consumer appliance control, low-end remote controls, sensor signal conditioning, automotive body electronics (non-safety), battery chargers, and small industrial controllers. Its 13 GPIO and integrated EEPROM suit it for products that need persistent calibration data without an external memory chip. When designing with this part, choose the oscillator mode (RC/XT/HS/LP) based on EMI, accuracy, and power budget. Leave MCLR either tied to VDD through a 10k resistor or routed to a reset supervisor for production reliability. For new designs, consider the pin-compatible Flash-based PIC16F627A as a future-proof drop-in. This page synthesizes distributor pricing, same-brand drop-in alternatives, and engineering guidance drawn from Microchip's datasheet and PICmicro mid-range reference manual - context not always present on the manufacturer product page.

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PIC16CE623-20/SO - 8-bit OTP MCU, 20MHz, 896B | Microchip
PIC16CE623-20/SO

PIC16CE623-20/SO - 8-bit OTP MCU, 20MHz, 896B | Microchip

The Microchip Technology PIC16CE623-20/SO is an 8-bit CMOS OTP-based microcontroller from the PIC16C family, delivering 20 MHz CPU clock and 133 ns instruction cycle time in an 18-pin SOIC (7.50 mm width) package. The device integrates 896 bytes of OTP program memory (organized as 512 × 14 bits), 96 bytes of data RAM, and 128 bytes of EEPROM data memory, with 13 general-purpose I/O pins supporting external interrupts. Operating from a 3.0 V to 5.5 V supply across a 0 °C to +70 °C commercial temperature range, it includes on-chip peripherals such as Brown-out Detect (BOD), Power-on Reset (POR), and a Watchdog Timer (WDT). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and peripherals such as timers, I/O, and serial interfaces. The PIC16CE623 belongs to the OTP sub-family of the PIC16C mid-range family — the broader PICmicro taxonomy proceeds from PIC10/12/16/18 8-bit MCUs up to PIC24/dsPIC 16-bit and PIC32 32-bit families within Microchip's semiconductor portfolio. OTP means One-Time-Programmable: the program memory can be written only once after manufacture, suiting low-cost, fixed-function production firmware. Key differentiating specifications include: 35 single-word RISC instructions, single-cycle execution except for two-cycle branches, a programmable code protection bit, and an external oscillator interface supporting crystal, resonator, or RC modes. The 14-bit instruction word width is unique to the PIC16C mid-range family, distinguishing it from baseline (12-bit) and enhanced (16-bit) PIC cores. Architecturally, the device uses a Harvard memory layout with separate program and data buses, a 7-level hardware stack, and four oscillator configuration options selected by configuration fuse bits. The integrated EEPROM block supports byte-level in-application write cycles, enabling storage of calibration, configuration, or usage-tracking data that survives power cycles — a feature uncommon in pure-OTP MCUs of this generation. Typical applications include low-cost consumer appliances, sensor interface modules, automotive body electronics (non-safety), HVAC fan/thermostat controls, and educational/developer platforms where the PIC16C architecture's simplicity and broad tool-chain support (MPLAB X IDE, PICSTART+, MPLAB PM3) shorten design cycles. A primary design consideration is the OTP memory constraint: firmware revisions require a new silicon lot, so production firmware must be fully validated before mask-programming. The 18-SOIC pinout is shared with other PIC16C6x family members, enabling footprint reuse across variants. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet.

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PIC16CE623-20/SS - 8-Bit OTP MCU, 896B EPROM, 128B EEPROM | Microchip
PIC16CE623-20/SS

PIC16CE623-20/SS - 8-Bit OTP MCU, 896B EPROM, 128B EEPROM | Microchip

The Microchip Technology PIC16CE623-20/SS is an 8-bit CMOS OTP (One-Time Programmable) RISC microcontroller with integrated EEPROM data memory, packaged in a 20-pin SSOP (Shrink Small Outline Package) with commercial temperature grade. It operates from a 3.0V to 5.5V supply, integrates 896 bytes of EPROM program memory (organized as 512 x 14-bit words) and 128 bytes of non-volatile EEPROM data memory, and runs at a maximum clock of 20 MHz delivering 200 ns instruction cycle time. The device provides 96 bytes of general-purpose SRAM, 13 digital I/O pins, one 8-bit timer/counter (TMR0), one 16-bit timer/counter (TMR1) with capture/compare/PWM capability, an internal 4 MHz RC oscillator, an analog comparator, and a Watchdog Timer with its own on-chip RC oscillator for reliable reset behavior. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, I/O peripherals, and timers on one silicon die. PIC microcontrollers use a modified Harvard architecture with separate program and data buses, enabling single-cycle instruction execution except for program branches which require two cycles. The PIC16CE62X family sits in Microchip's mid-range 14-bit instruction word category, offering 35 single-word instructions, predictable execution timing, and EEPROM data memory that survives power cycling - a key advantage over plain SRAM-based MCUs for storing calibration constants and user settings without an external EEPROM chip. Key differentiating features of the PIC16CE623-20/SS include its on-chip 128-byte EEPROM (versus external EEPROM alternatives requiring an additional component and PCB area), its in-circuit serial programming (ICSP) capability via the RB6/RB7 pins, the dedicated analog comparator with programmable reference, and the dual-oscillator design (crystal/HS mode plus internal 4 MHz RC) that allows operation without external clock components. The SSOP-20 footprint supports high-density PCB layouts while remaining hand-solderable for prototyping. Typical applications for this device include low-cost consumer appliances, IR remote controls, sensor signal conditioning with the on-chip comparator, small motor control loops using PWM, security keypad controllers, and battery-powered instruments that benefit from the EEPROM-backed settings storage. The 200 ns instruction cycle supports simple closed-loop control loops at typical sensor bandwidths. When designing with the PIC16CE623-20/SS, verify that your chosen compiler (MPLAB XC8 or legacy HI-TECH PICC) supports the CE62X device header, and provide proper ICSP connections (RB6/RB7/VDD/VSS/MCLR) for production programming. The device is OTP, so code is committed at final programming - development should be performed on the pin-compatible PIC16F62X Flash variant (e.g., PIC16F627) which allows code iteration before locking in the OTP part for cost-sensitive volume production.

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PIC16CE623-20E/P - 8-Bit 20MHz OTP MCU w/ EEPROM | Microchip
PIC16CE623-20E/P

PIC16CE623-20E/P - 8-Bit 20MHz OTP MCU w/ EEPROM | Microchip

The Microchip Technology PIC16CE623-20E/P is an 8-bit CMOS OTP microcontroller from the PIC® 16C family, integrating 896 bytes of program memory (512 x 14 words) and on-chip EEPROM data memory, packaged in a 18-pin PDIP through-hole form factor. Key headline parameters include a 20 MHz maximum clock input, 200 ns single-cycle instruction execution time, 3 V to 5.5 V single-supply operating voltage, and 13 digital I/O pins; the device belongs to the extended (-40C to +125C) automotive/industrial temperature grade. The 'CE' family member is distinguished from base 'C' PIC16C62X parts by its integrated 128 bytes of EEPROM data memory, eliminating an external serial EEPROM in many applications. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and programmable I/O peripherals. The PIC16CE623 sits within Microchip's mid-range 8-bit PIC architecture hierarchy: MCU -> 8-bit microcontroller -> mid-range PIC -> PIC16C family -> PIC16CE62X sub-family. The PIC16CE623 uses a RISC-based Harvard architecture with a 14-bit instruction word, allowing 35 single-word instructions to be learned for full device programming. Program branches take two cycles (400 ns at 20 MHz) while all other instructions execute in a single 200 ns cycle, simplifying deterministic real-time control. Key features include an internal timer/counter, watchdog timer with on-chip RC oscillator, programmable code protection, power-on reset, power-up timer, and an in-circuit serial programming (ICSP) interface accessible via RB6/RB7 pins. The internal 4 MHz RC oscillator option reduces external component count for cost-sensitive applications. CMOS technology with sleep mode achieves standby currents well below 1 uA typical, making the part suitable for battery-powered designs. The 13 I/O pins can source/sink 25 mA per pin, sufficient to drive LEDs, relays, and small solenoids directly. Typical applications include automotive body controllers, sensor signal conditioning, low-end consumer appliances, security keypads, and remote-control transmitters/receivers. The extended temperature range (-40C to +125C) and robust ESD performance make the PIC16CE623 well suited for under-hood and industrial environments. For designs requiring in-system reprogrammability, the Flash-based PIC16F62X family is the recommended migration path; for one-time-programmed high-volume products, this OTP variant remains the lowest-cost solution. When designing with this device, ensure the 20 MHz crystal or resonator is placed within 10 mm of the OSC1/OSC2 pins with proper ground guarding to minimize EMI. The MCLR reset pin requires a 10 kohm pull-up to VDD and, if used, a T1 reset capacitor to ground. Unused I/O pins should be configured as outputs low to minimize quiescent current draw. This page synthesizes distributor pricing tiers, drop-in replacement alternatives within the same 18-pin PDIP footprint, and practical design notes not consolidated on any single manufacturer page. Comparison data, lifecycle status, and cross-reference findings have been aggregated from DigiKey, Octopart, and Microchip's own cross-reference tool as of 2026-09-19.

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PIC16CE623-20E/SS - 8-Bit OTP MCU 20MHz 896B | Microchip
PIC16CE623-20E/SS

PIC16CE623-20E/SS - 8-Bit OTP MCU 20MHz 896B | Microchip

The Microchip PIC16CE623-20E/SS is an 8-bit OTP (One-Time Programmable) CMOS microcontroller from the PIC16C family, integrating 896 bytes of program memory (organized as 512 x 14 words) with on-chip EEPROM data memory, all housed in a 20-pin SSOP package. The device operates at up to 20 MHz clock input with a 200 ns instruction cycle, supports 3.0V to 5.5V supply voltage, and provides 13 I/O pins, an internal EEPROM data area, and a 35-instruction RISC instruction set optimized for compact, deterministic embedded control. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and programmable I/O peripherals. The PIC16C family represents Microchip's original mid-range 8-bit architecture with separate program and data buses (Harvard architecture), enabling single-cycle instruction execution and predictable interrupt latency. OTP variants like the PIC16CE623 are intended for cost-sensitive, high-volume production where firmware is finalized at the time of programming. Key features of the PIC16CE623-20E/SS include an instruction execution time of 200 ns (single-cycle, except program branches which are two-cycle), 96 bytes of RAM, integrated 128-byte EEPROM data memory, a programmable watchdog timer, and an internal oscillator option. The 'E' suffix denotes the extended industrial temperature range of -40°C to +125°C, while the '20' denotes the 20 MHz maximum clock speed. Architecturally, the PIC16CE623 uses a RISC-style 14-bit instruction word that improves code density relative to 8-bit CISC architectures. The on-chip EEPROM allows user data persistence without external storage, and the 13 I/O pins can be configured for digital I/O, timer capture/compare, or analog comparator functions depending on peripheral routing. The Harvard bus ensures simultaneous instruction fetch and data access. Typical applications include low-cost appliance controls, sensor signal conditioning front-ends, LED driving controllers, simple battery-powered instrumentation, and industrial timing/logic replacement. The wide 3.0V-5.5V operating range supports both 3.3V and 5V system designs with a single device, and the integrated EEPROM eliminates external NVM in many subsystems. When designing with this part, note that OTP memory cannot be reprogrammed in-circuit — production programming must be done before final assembly. Designers should use a compatible PIC16F or PIC16C flash/UV-erasable variant (e.g., PIC16F628) for prototyping and migrate to the OTP CE623 for cost-down production. The device has been widely second-sourced and remains supported through Microchip's product longevity program. This page synthesizes distributor pricing, drop-in alternative cross-references, and practical design considerations that go beyond the manufacturer's datasheet, enabling engineers to source, compare, and qualify the PIC16CE623-20E/SS with confidence.

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PIC16CE623-20I/P - 8-bit EPROM MCU 896B, 20MHz, DIP-18 | Microchip
PIC16CE623-20I/P

PIC16CE623-20I/P - 8-bit EPROM MCU 896B, 20MHz, DIP-18 | Microchip

The Microchip Technology PIC16CE623-20I/P is an 8-bit CMOS OTP/EPROM-based microcontroller in the PIC16C family with 896 bytes of program memory (512 × 14 words), 13 I/O pins, and an integrated EEPROM data memory block, delivered in an 18-pin PDIP (DIP-18, 0.300 inch) through-hole package. It operates from a supply voltage of 3.0V to 5.5V at clock speeds up to 20 MHz (200 ns instruction cycle), with an extended industrial temperature range of -40 °C to +85 °C as indicated by the "I" suffix. An 8-bit microcontroller is a small computer-on-a-chip that combines a CPU, program memory, RAM, EEPROM, timers, and I/O peripherals on a single silicon die. PIC microcontrollers use a RISC-style Harvard architecture with a small, orthogonal instruction set of 35 single-word instructions, which simplifies firmware development while delivering deterministic real-time performance. Within the broader semiconductor hierarchy, PIC16CE623 belongs to: microcontroller → 8-bit MCU → embedded controller → semiconductor IC. This category is widely used for low-cost, deterministic embedded control where power, BOM cost, and ease of programming matter more than raw computational throughput. Key features of this device include: 896 bytes of OTP/EPROM program memory for one-time field programming, integrated EEPROM data memory for non-volatile storage of calibration and configuration data, an internal 4 MHz RC oscillator option (selectable with the configuration fuse), a hardware USART for RS-232/RS-485 serial communication, an analog comparator, a watchdog timer with on-chip RC oscillator, and 13 digital I/O pins. The 20 MHz version delivers 200 ns instruction execution (133 ns for branches on a 2-cycle penalty path), enabling tight PID control loops and high-rate serial communication. Architecturally, the PIC16CE623 implements a 14-bit instruction word and a separate 8-bit data path, which avoids the bottleneck of a unified memory bus. EPROM program memory is one-time programmable, ideal for low-volume production runs and field programming. The integrated EEPROM data memory is byte-erasable and rewriteable, which simplifies storing user parameters such as calibration constants without external serial EEPROM chips. The device's 5-bit Brown-out Reset, 14-bit timer/counter, and Capture/Compare/PWM (CCP) peripheral enable closed-loop motor, lighting, and instrumentation control. Typical applications include low-cost HVAC fan and damper controllers, appliance user interface boards (washing machines, microwaves, ovens), industrial sensor signal conditioning front-ends, smart metering data loggers, and battery-powered remote keyless entry (RKE) transmitters. The wide 3.0V–5.5V supply range also enables direct 5V system integration as well as 3.3V designs using a single Li-ion cell. A key design consideration when using EPROM-based PICs is that program memory is one-time programmable - firmware cannot be updated in the field. Engineers should migrate to the flash-based PIC16F627A-I/P (same 18-pin PDIP) for field-updateable designs. Always place a 0.1 µF decoupling capacitor within 5 mm of VDD and use the internal RC oscillator with a 4 MHz factory calibration to reduce external component count. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16CE623-30/SO - 8-Bit OTP MCU 896B | Microchip | Embedded
PIC16CE623-30/SO

PIC16CE623-30/SO - 8-Bit OTP MCU 896B | Microchip | Embedded

The Microchip Technology PIC16CE623-30/SO is an 8-bit CMOS RISC microcontroller with 896 bytes of One-Time Programmable (OTP) program memory and integrated EEPROM data memory, housed in an 18-pin SOIC wide-body package supplied in tube packaging. The device integrates a 13-I/O peripheral set, 96 bytes of SRAM, and a 14-bit instruction word architecture designed for low-cost embedded control across industrial, automotive, and consumer product categories. Operating voltage spans 3.0 V to 5.5 V, supporting both 3.3 V and 5 V system rails commonly found in mixed-signal designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and peripheral I/O onto one silicon die. Within the broader taxonomy, the PIC16CE623 belongs to the PIC16 mid-range family -> 8-bit RISC microcontroller -> embedded controller -> semiconductor. The 14-bit instruction word and 35 single-word instruction set make PIC16CE623 part of Microchip's mid-range architecture, providing a balance between code density, deterministic execution, and ease of programming through MPLAB IDE. Key features include a 133 ns instruction execution time at 30 MHz oscillator input, an internal brown-out reset, a watchdog timer with on-chip RC oscillator, and an analog comparator. The integrated EEPROM data memory allows non-volatile storage of calibration data, configuration parameters, or usage counters without external serial EEPROM, reducing BOM cost and board area. The PIC16CE623 also offers programmable code protection and a power-saving sleep mode with wake-up on pin change. Typical applications include sensor signal conditioning, low-power remote controls, small appliance control boards, automotive body electronics (where appropriate AEC-Q grade is selected), battery chargers, and LED lighting controllers. The 13 I/O pins support direct LED drive, button input scanning, and serial communication via software-implemented protocols such as UART, I2C (master mode), and SPI. When designing with this device, verify oscillator selection (RC, LP, XT, HS modes) against the system clock accuracy requirement and reserve the MCLR pin for hardware reset unless the internal configuration is used. The 18-pin SOIC wide package simplifies hand-soldering and visual inspection during prototyping but occupies more board area than the SSOP-20 alternative. This page synthesizes distributor stock, parametric drop-in alternatives from the same Microchip PIC16C/PIC16F family, and practical design notes not consolidated on the manufacturer datasheet, helping engineers and procurement teams shorten the selection cycle for cost-sensitive 8-bit designs.

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PIC16CE623-30/SS - 8-Bit OTP MCU, 896B, 30MHz SSOP-20 | Microchip
PIC16CE623-30/SS

PIC16CE623-30/SS - 8-Bit OTP MCU, 896B, 30MHz SSOP-20 | Microchip

The Microchip Technology PIC16CE623-30/SS is an 8-bit RISC microcontroller with 896 bytes of One-Time Programmable (OTP) program memory, 128 bytes of RAM, and an integrated 128-byte EEPROM data memory, housed in a 20-pin SSOP (5.30mm body width) package. It operates from a 3.0V to 5.5V supply and is specified for a maximum 30 MHz external clock input, delivering a 133 ns instruction cycle with the 4:1 oscillator/clock architecture typical of the PIC16 mid-range family. The device exposes 13 general-purpose I/O pins supporting digital I/O and basic peripheral functions. Background Knowledge: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash/OTP), data memory (RAM), non-volatile data storage (EEPROM), and configurable peripherals (I/O, timers, comparators, ADC). The PIC16CE623 belongs to Microchip's PIC16 mid-range architecture, descended from the original PIC16C5x baseline. Mid-range PIC MCUs use a Harvard architecture with separate program and data buses, a 14-bit wide instruction word, and a fixed 35-instruction RISC set. They sit within the broader taxonomy: 8-bit MCU -> PIC16 family -> PIC16C6xx sub-family. The 'CE' suffix indicates an integrated EEPROM data memory on-chip, distinguishing it from 'C' parts (no EEPROM) and 'F' parts (Flash program memory). Key features include 896 bytes OTP program memory, 128 bytes RAM, 128 bytes on-chip EEPROM data memory, 13 digital I/O pins, a 8-bit timer/counter with 8-bit prescaler, an analog comparator, internal/RC oscillator options, and a power-on reset / brown-out detect circuit. The OTP memory is factory one-time-programmable; the on-chip EEPROM supports byte-level endurance of typically 1M erase/write cycles. The PIC16CE623 uses Microchip's CMOS mid-range architecture with a 14-bit instruction word, single-cycle ALU operations except for program branches (two cycles), and a hardware stack eight levels deep. It supports in-circuit serial programming (ICSP) via two pins, allowing OTP programming and EEPROM verification after PCB assembly. The integrated EEPROM is mapped into the data memory space and accessed via special function registers, eliminating the need for an external serial EEPROM in small data-logging designs. Typical applications include low-cost appliance control, sensor signal conditioning front-ends, battery chargers, LED drivers, automotive body controllers (non-safety), small motor control, and consumer white-goods replacement of discrete logic. The wide 3.0-5.5V range supports direct connection to 4-cell battery stacks, 3.3V logic systems, and 5V regulated rails. When designing with this OTP part, plan code carefully before programming - OTP cannot be erased. Reserve adequate code space margin (use only 60-70% of the 896B capacity) and verify the firmware with a windowed UV-erasable PIC16CE623 JW or PIC16CR623 (Flash) prototype first if available. Decouple VDD with 0.1uF close to the pins and route the MCLR/VPP pin through a 10k pull-up for normal operation, with a path to VPP during programming. This page synthesizes distributor pricing, on-chip EEPROM documentation, and pin-compatible drop-in alternatives for the PIC16CE623-30/SS — information that goes beyond the Microchip datasheet alone.

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PIC16CE623T-04/SO - 4MHz 8-bit OTP MCU w/EEPROM 18-SOIC | Microchip
PIC16CE623T-04/SO

PIC16CE623T-04/SO - 4MHz 8-bit OTP MCU w/EEPROM 18-SOIC | Microchip

The Microchip Technology PIC16CE623T-04/SO is an 8-bit CMOS OTP microcontroller from the PIC16C family, delivering 4 MHz maximum clock speed with 896 bytes of OTP program memory (organized 512 x 14) in a 18-pin SOIC surface-mount package. It features 96 bytes of data RAM, 128 bytes of EEPROM data memory, and 13 programmable I/O lines for flexible peripheral interfacing. The 'T' suffix indicates tape-and-reel packaging, while the '04' denotes the 4 MHz speed grade and 'SO' specifies the SOIC-18 package. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, RAM, and integrated peripherals such as timers, communication interfaces, and I/O ports. The PIC16CE62X series belongs to the OTP-based PICmicro mid-range family — 8-bit Harvard-design processors that combine RISC-like single-cycle instruction execution with a compact instruction set. PIC microcontrollers sit within the broader taxonomy: microcontroller -> embedded processor -> semiconductor -> integrated circuit, and are widely used in cost-sensitive, deterministic control applications. Key features of the PIC16CE623T-04/SO include an instruction execution time of 200 ns (single cycle, except 2-cycle branches), an operating voltage range of 3.0 V to 5.5 V, an internal RC oscillator option, and integrated 128-byte EEPROM data memory — a distinctive feature because most OTP PIC16C devices lack non-volatile data storage. Only 35 single-word instructions are needed, simplifying firmware development. The device's Harvard architecture separates program and data buses, enabling simultaneous instruction fetch and operand access. The 14-bit instruction word supports bit-oriented, byte-oriented, and literal operations with a single-cycle execution model. Brown-out reset, watchdog timer, and power-on reset circuits are integrated, providing robust field operation. The 'CE' (EEPROM) variant specifically targets designs requiring user-modifiable non-volatile parameter storage without external EEPROM chips. Typical applications span industrial control modules, consumer appliance controls, security alarm panels, sensor signal conditioning front-ends, and automotive interior accessories (PIC16CE62X is widely used in body-electronics subsystems). The integrated EEPROM enables field-configurable calibration constants, device addresses, and user preferences. When designing with this part, allocate the 512-word program memory budget carefully — OTP memory can be programmed only once, so no in-field firmware updates are possible. Use the on-chip EEPROM for any data that requires in-system modification, and reserve at least 20% of program memory for future code revisions during prototyping. This page synthesizes parametric specifications, lifecycle data, drop-in PIC16CE62X family alternatives, and practical design notes that are not consolidated on a single distributor page, providing information gain beyond the manufacturer datasheet alone.

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PIC16CE623T-04E/SO - 4MHz 8-Bit OTP MCU w/EEPROM | Microchip
PIC16CE623T-04E/SO

PIC16CE623T-04E/SO - 4MHz 8-Bit OTP MCU w/EEPROM | Microchip

The Microchip Technology PIC16CE623T-04E/SO is an 8-bit CMOS microcontroller built on Microchip's PIC® 16C architecture, integrating 896 bytes (512 x 14) of One-Time-Programmable (OTP) program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory, all in an 18-pin SOIC surface-mount package. It operates from a 3V to 5.5V supply and runs at 4 MHz maximum clock, executing most instructions in a single 200 ns cycle (program branches take two cycles), so the core delivers roughly 5 MIPS of throughput at maximum clock. The 35-instruction RISC instruction set simplifies code development and keeps the compiled firmware footprint small, while the integrated EEPROM adds non-volatile data storage for calibration values, user settings, and serial numbers without an external part. A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, peripherals, and I/O on one die; 8-bit MCUs like the PIC16CE623T are a sub-family optimized for low cost, deterministic real-time response, and ease of programming, sitting at the low-power end of the broader microcontroller taxonomy that extends upward to 16-bit and 32-bit Cortex-M-class devices. This category of MCU is widely used in appliances, automotive body modules, sensor interfaces, and industrial controls where cost per unit matters more than raw compute. Key features include 13 digital I/O pins, an internal oscillator option, an on-chip watchdog timer for unattended operation, power-saving SLEEP mode, an analog comparator, and a programmable code-protection mechanism to lock the OTP memory. The 18-SOIC package is industry standard, easing hand-prototyping and high-volume reflow assembly alike. Operating temperature range is industrial-grade (-40°C to +125°C), suiting outdoor enclosures and automotive cabin environments. Architecturally, the PIC16CE623T uses a Harvard memory layout with separate program and data buses, a single accumulator-based working register (W), and a small register file. The EEPROM peripheral is byte-addressable and tolerates at least 1 million erase/write cycles, well above what is needed for storing tuning constants in a sensor module or serial number for an asset tracker. Typical applications include low-cost remote controls, battery-powered sensor transmitters, automotive accessory controllers, appliance user-interface boards, and white-goods motor drivers. The integrated EEPROM and watchdog are particularly useful in safety-relevant systems such as smoke detectors and security keypads where field-recoverable faults must not lock the unit. When designing in the PIC16CE623T-04E/SO, pay attention to the OTP-only memory: firmware revisions require a new device, so commit firmware early. Decouple VDD with a 100 nF ceramic cap placed within 5 mm of the pin, and reserve the MCLR pin for a proper reset circuit to avoid brown-out misbehaviour. Because the part is in active production but using an older 16C core, designers migrating to ongoing programs should evaluate the Flash-based PIC16F630 family for new designs. This page synthesizes distributor stock data, same-family pin-compatible PIC alternatives, and practical design considerations not consolidated on any single manufacturer or distributor page.

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PIC16CE623T-04I/SO - 4MHz 8-Bit OTP MCU, 896B w/EEPROM | Microchip
PIC16CE623T-04I/SO

PIC16CE623T-04I/SO - 4MHz 8-Bit OTP MCU, 896B w/EEPROM | Microchip

The Microchip PIC16CE623T-04I/SO is a member of the PIC16CE62X family of 8-bit CMOS OTP-based microcontrollers with integrated EEPROM data memory, offered in an 18-pin SOIC (SO) package. It pairs a 4MHz PIC core with 896 bytes (512 x 14) of OTP program memory, 96 bytes of data RAM, and 128 bytes of EEPROM, delivering 13 I/O pins and an external oscillator interface. The "-04" speed grade designates 4MHz maximum clock input with 200ns single-cycle instruction execution and 133ns effective instruction time, while the "I" suffix marks the industrial -40C to +85C operating temperature range, and "T" denotes tape-and-reel packaging for high-volume SMT assembly. An OTP (One-Time Programmable) microcontroller is a non-erasable variant of the broader ROMless/ROM-based MCU family, optimized for cost-sensitive, fixed-function embedded products where firmware is finalized during production and field reprogramming is not required. Within the PIC architecture hierarchy, the PIC16CE62X family belongs to the mid-range 8-bit PIC core, sits under the dsPIC 16-bit DSC family in Microchip's portfolio, and is positioned between baseline (PIC10/12/16) and enhanced mid-range (PIC18) devices. The "CE" suffix in particular denotes an EEPROM-equipped variant, giving the PIC16CE623 persistent data storage without an external serial EEPROM, which simplifies BOM and PCB area. Key features of the PIC16CE623T-04I/SO include 35 single-word instructions, all executing in a single 200ns instruction cycle except program branches (two-cycle), an operating speed of up to 20MHz clock input, 4MHz internal operation in this -04 speed grade, and supply voltage range of 3V to 5.5V. The device also includes 13 digital I/O pins, an external oscillator type, brown-out and watchdog peripherals common to the family, and low-power CMOS construction. The 18-pin SOIC package provides a compact 0.295" (7.50mm) body width suitable for surface-mount assemblies with constrained board area. Architecturally, the PIC16CE623 uses a Harvard bus design with separate program and data paths, a 14-bit instruction word, and an 8-bit data path. Its EEPROM data memory provides byte-level endurance suitable for storing configuration parameters, calibration data, or user preferences that must survive power cycles. The 4MHz oscillator rating combined with the 200ns instruction cycle keeps power consumption low for always-on appliance, sensor, and consumer applications. Typical applications include low-cost consumer electronics, appliance controllers, lighting ballasts, security and access peripherals, smart sensor front-ends, and industrial control modules. The integrated EEPROM eliminates an external 24Cxx serial EEPROM, reducing BOM cost and I/O pin overhead in space-constrained designs. Engineers choose this device when cost is critical, firmware is finalized at production, and a small amount of non-volatile data storage is required. When designing with the PIC16CE623T-04I/SO, reserve the device's only programming pin (RB3/PGM) and ensure that bulk OTP programming is performed prior to final test, since OTP cannot be reprogrammed in-field. For designs that may need firmware updates or that require more than 128 bytes of data EEPROM, evaluate flash-based PIC16F counterparts (PIC16F627A, PIC16F628A, PIC16F88) as candidates. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the PIC16CE62X family and PIC16F equivalents, and practical design notes not found in the manufacturer datasheet, providing an at-a-glance comparison view for engineers and procurement teams evaluating this Microchip 8-bit MCU.

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PIC16CE623T-04I/SS - 4MHz 8-Bit OTP MCU 896B | Microchip
PIC16CE623T-04I/SS

PIC16CE623T-04I/SS - 4MHz 8-Bit OTP MCU 896B | Microchip

The Microchip Technology PIC16CE623T-04I/SS is an 8-bit PICmicro family OTP (One-Time Programmable) CMOS microcontroller operating at 4MHz, packaged in a 20-pin SSOP (5.30mm body width) with 896 bytes of program memory organized as 512 x 14 words, 96 bytes of SRAM, and 128 bytes of on-chip EEPROM data memory. The device features 13 digital I/O pins, a 133 ns instruction execution time at 4MHz, and a 35-instruction RISC instruction set with single-cycle execution for most opcodes (branches are two-cycle). It operates from a 3.0V to 5.5V supply across the -40C to +85C industrial temperature range and integrates Brown-out Detect (BOD), Power-On Reset (POR), and a Watchdog Timer (WDT) with its own on-chip RC oscillator. A PIC16C-series microcontroller is a member of Microchip's classic 8-bit RISC family, sitting in the hierarchy: microcontroller -> 8-bit MCU -> embedded controller -> semiconductor. PIC16C devices use a Harvard architecture with separate program and data buses, enabling simultaneous instruction fetch and data access, and they are programmed via the EPROM/OTP process using Microchip's PM3 or earlier development tools. The "CE" suffix specifically indicates the EEPROM-data variant that pairs 1k-class OTP program memory with byte-erasable EEPROM for non-volatile parameter storage. Key features that differentiate the PIC16CE623T-04I/SS include its 4MHz maximum clock, very small footprint (20-pin SSOP at 5.30mm body width), low power CMOS design with <2 mA typical operating current at 5V/4MHz, and the addition of an internal EEPROM data array not present on plain PIC16C62X OTP parts. The "-04I" suffix denotes 4MHz oscillator rating and industrial temperature range, while "/SS" identifies the SSOP package. The "T" suffix in the part number indicates Tape and Reel packaging for high-volume assembly. Architecturally, the device uses a RISC core with 7 special-function hardware registers, an 8-level deep hardware stack, and direct/indirect addressing modes. The on-chip EEPROM (128 bytes) is accessible through dedicated read/write routines and supports >1M erase/write cycles endurance, with data retention rated >40 years per Microchip's device family specification. Typical applications include low-cost appliance controllers, simple sensor signal conditioning front-ends, automotive interior subsystems (non-safety), battery-powered remote controls, consumer white goods user interfaces, and industrial timer/counter modules. The combination of OTP program memory, internal EEPROM data, and small SSOP footprint makes it well suited to high-volume cost-sensitive designs where field firmware updates are not required. When designing with this device, observe that OTP program memory cannot be re-programmed in-circuit; firmware must be fully validated before programming. Always provide adequate decoupling (100 nF + 10 uF) on VDD/VDD2 and place the MCLR pull-up within 25 mm of the pin. The WDT should be enabled in any application where firmware lockup could cause unsafe behavior. This page synthesizes distributor pricing, drop-in alternatives within the PIC16CE62X family, and practical design notes not found in the standalone manufacturer datasheet, providing a one-stop reference for engineers and procurement teams.

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PIC16CE623T-20E/SO - 8-Bit 20MHz OTP MCU 896B | Microchip
PIC16CE623T-20E/SO

PIC16CE623T-20E/SO - 8-Bit 20MHz OTP MCU 896B | Microchip

The Microchip Technology PIC16CE623T-20E/SO is an 8-bit PIC16C-series CMOS microcontroller with a 20 MHz maximum clock input, 896 bytes (512 x 14) of One-Time Programmable (OTP) program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory, housed in an 18-pin SOIC package. The "T-20E" suffix denotes the 20 MHz speed grade (-20), tape-and-reel packaging (T), and the Extended industrial temperature range (-40C to +125C). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and programmable I/O peripherals. PIC16C-family MCUs are based on Microchip's 8-bit modified Harvard RISC architecture with a 14-bit instruction word; the PIC16CE62X sub-family adds an internal EEPROM data block for non-volatile storage of user parameters. They sit at the low end of the MCU hierarchy, below 16-bit and 32-bit Cortex-M devices, but offer very small footprint, deterministic single-cycle instruction execution, and proven long-term support. Key features of the PIC16CE623T-20E/SO include 13 digital I/O pins, 35 single-word instructions, an instruction cycle of 200 ns at 20 MHz, a wide 3 V to 5.5 V supply range, an internal watchdog timer, an analog comparator, and a capture/compare/PWM (CCP) module. The 35-instruction RISC core and Harvard bus deliver deterministic interrupt latency and code density that benefits small embedded firmware. Architecturally, the PIC16CE62X uses a two-stage pipeline and a separate 14-bit program bus and 8-bit data bus, eliminating fetch-decode bottlenecks. The integrated 128-byte EEPROM block is byte-erasable and rated for high endurance, providing non-volatile parameter storage without external NVRAM. Brown-out reset (BOR), power-on reset (POR), and the watchdog timer (WDT) collectively make this part tolerant of industrial-grade noise and power transients. Typical applications include low-cost sensor interfaces, small appliance controls, automotive body modules (non-safety), HVAC damper/valve controllers, and battery-powered metering nodes where 8-bit PIC code reuse, OTP security, and an integrated EEPROM make sense. Designers migrating firmware from other PIC16C62X members can drop this part onto the same PCB footprint and recompile against the shared header file. When designing with this MCU, reserve two I/O pins for the In-Circuit Serial Programming (ICSP) interface (RB6/RB7) so firmware can be loaded after PCB assembly. The OTP memory means each unit must be programmed once at production - volume programming should plan for the full programming cycle including EEPROM write time. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16CE623T-20E/SS - 8-Bit 20MHz 896B OTP MCU | Microchip
PIC16CE623T-20E/SS

PIC16CE623T-20E/SS - 8-Bit 20MHz 896B OTP MCU | Microchip

The Microchip Technology PIC16CE623T-20E/SS is an 8-bit PICmicro CMOS microcontroller in the PIC16C family, offering 20 MHz clock input and 896 bytes (512 x 14) of One-Time Programmable (OTP) program memory, integrated with 128 bytes of EEPROM data memory and 96 bytes of RAM, housed in a 20-pin SSOP package. The 'T' suffix designates Tape & Reel packaging, and the '20E' speed/temperature grade indicates 20 MHz operation over the extended -40C to +125C industrial temperature range, making it well suited for harsh-environment embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, non-volatile data memory, and programmable I/O peripherals. Within the broader semiconductor taxonomy, the PIC16CE623 sits at: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. It belongs to the OTP-EPROM-based PIC16CE62X sub-family and is one of the lowest-cost entry points into Microchip's PIC architecture, providing 35 single-word instructions, 200 ns single-cycle execution, and integrated EEPROM that distinguishes the 'CE' family from the standard 'C' parts. Key differentiating features include 13 digital I/O pins, a 20 MHz oscillator, an internal brown-out reset, a watchdog timer, a 14-bit instruction word, and 128 bytes of user-accessible EEPROM for parameter storage. Power consumption is held to a few mA at full speed, with sub-microamp sleep currents typical of PIC16 architecture. These features let designers add configurable digital control with very small BOM cost and PCB footprint. The PIC16CE623's RISC architecture provides deterministic 200 ns instruction timing, which simplifies real-time control loops. The on-chip EEPROM eliminates external serial EEPROM in many applications, while the OTP program memory enables low-NRE cost-effective production. The 20 MHz clock yields roughly 5 MIPS of throughput, enough for sensor interfacing, simple motor control, and user-interface logic. Typical applications include low-cost consumer appliances, white-goods user-interface panels, battery chargers, sensor signal conditioning, LED drivers, small pumps and fans, and remote controls. The extended -40C to +125C temperature grade also suits industrial control modules and automotive under-hood accessory nodes. When designing, allocate at least one MCLR pull-up, ensure the 20 MHz crystal or resonator sees proper load capacitors, and follow Microchip's in-circuit serial programming (ICSP) layout guidelines to retain firmware upgrade capability after the OTP window has been programmed. This page synthesizes distributor pricing, drop-in same-package alternatives, and design guidance that goes beyond a single datasheet view, helping engineers and procurement teams make a fully-informed selection.

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PIC16CE623T-30/SS - 8-Bit OTP MCU, 30MHz, 896B EPROM | Microchip
PIC16CE623T-30/SS

PIC16CE623T-30/SS - 8-Bit OTP MCU, 30MHz, 896B EPROM | Microchip

The Microchip Technology PIC16CE623T-30/SS is an 8-bit RISC microcontroller based on the PIC16C/PIC16CE62x EPROM-based family, featuring 896 bytes of EPROM program memory, 96 bytes of data EEPROM, and 13 general-purpose I/O pins, all integrated into a 20-pin SSOP package. The device runs at a maximum clock rate of 30 MHz, delivering 200 ns single-cycle instruction execution, and supports dual-voltage operation at 3.3 V and 5 V. Tape-and-reel packaging is denoted by the "T" suffix, and the "/SS" suffix indicates the SSOP-20 (5.30 mm body width) package option. An EPROM-based 8-bit MCU (microcontroller) is a single-chip computer that integrates CPU, EPROM program memory, RAM, EEPROM data memory, and peripherals onto one CMOS die. EPROM (Erasable Programmable Read-Only Memory) allows the program to be erased via UV exposure and re-programmed, making these parts popular for prototyping and low-volume production. Within the taxonomy, PIC16CE62x devices sit under: MCU -> 8-bit microcontroller -> PIC16 family -> PIC16CE62x sub-family -> PICmicro EPROM-based. Key features include 35 single-cycle instructions (program branches are two-cycle), an internal 4 MHz RC oscillator option, power-on reset (POR), brown-out reset (BOR), a watchdog timer (WDT) with its own on-chip RC oscillator, and low-power SLEEP mode. The PIC16CE623 uses a Harvard architecture with a 14-bit instruction word, providing code density advantages over competing 8-bit CISC architectures. The integrated 96-byte EEPROM enables data parameter storage without external NVRAM, and 13 I/O pins support direct LED, switch, and low-speed peripheral interfacing. The PIC16CE623T-30/SS is built on a fully-static CMOS process, consuming microamp-level current in SLEEP mode and a few milliamps active. The architecture supports an 8-level hardware stack and direct/indirect addressing modes. Interrupt sources include external RB0/INT, RB port-change, timer overflow, and EEPROM write completion. Combined with the 30 MHz clock headroom and deterministic instruction timing, the part is well-suited for closed-loop control applications that require predictable response latency. Typical applications include consumer appliance controllers, simple sensor interfaces, low-cost remote-control transmitters, security keypads, and small motor/valve drivers. The 20-pin SSOP footprint and Microchip's standard PIC16 toolchain (MPLAB X IDE, MPASM, XC8 compilers) further accelerate development. Engineers selecting this part typically value the EPROM reprogrammability, integrated EEPROM data memory, and the mature PIC16 instruction set for time-to-market. When designing with this device, ensure VDD decoupling is placed close to the pin with a 100 nF ceramic and 10 uF bulk capacitor, and observe the 30 MHz maximum clock input. For noise-critical applications, use the on-chip watchdog and brown-out reset to recover from voltage transients. Unlike PIC16F Flash variants, the EPROM die requires a quartz windowed package for erasure, which is why the T-30/SS variant is typically used for one-time-programmed production. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16CE624-04/P - 4MHz 8-Bit CMOS MCU, 1.75KB OTP, 128B EEPROM | Microchip
PIC16CE624-04/P

PIC16CE624-04/P - 4MHz 8-Bit CMOS MCU, 1.75KB OTP, 128B EEPROM | Microchip

The Microchip PIC16CE624-04/P is a CMOS OTP-based 8-bit microcontroller built on Microchip's PIC16 architecture, integrating 1.75KB of EPROM program memory and 128 bytes of EEPROM data memory in an 18-pin PDIP (DIP-18) through-hole package. It executes instructions in a 200 ns single cycle (at 20 MHz clock input) and features 35 single-word instructions, an internal 4 MHz oscillator variant (the -04 speed grade supports DC to 4 MHz operation), 13 I/O pins, 2 analog comparators, a programmable voltage reference, and a watchdog timer. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/EPROM/Flash), data memory (RAM), and configurable peripherals (timers, ADC, comparators, communication ports). PIC microcontrollers use a RISC (Reduced Instruction Set Computer) Harvard architecture with separate program and data buses, enabling single-cycle instruction execution. The PIC16 family occupies Microchip's mid-range tier, sitting between the baseline PIC10/12/16x and the high-performance PIC18/dsPIC families, and is widely deployed in appliance, industrial, and automotive entry-level applications where deterministic real-time response, low cost, and mature toolchains matter most. The -04 speed grade specifies a 4 MHz maximum oscillator input; program memory is OTP (One-Time Programmable) EPROM that can be written once and is non-volatile. The 128-byte on-chip EEPROM provides byte-erasable non-volatile storage for user data such as calibration constants, configuration parameters, and usage logs that must survive power cycles. Two analog comparators plus a programmable voltage reference enable direct sensor interfaces (temperature, light, voltage threshold detection) without external analog components. Typical applications include entry-level automotive body controllers, white-goods and appliance controls, industrial sensor signal conditioning, and consumer device user interfaces. The through-hole PDIP-18 package supports hand prototyping, breadboarding, and legacy through-hole PCB designs. The 3.0V to 5.5V supply range allows operation from both 3.3V regulated rails and 5V battery or USB supplies, making the part flexible across mixed-voltage systems. When designing with PIC16CE624-04/P, allocate the EPROM programming window in the production flow (OTP requires a high-voltage programmer and cannot be re-written). Use Microchip's MPLAB X IDE with MPASMTM assembler or XC8 C compiler; verify that the watchdog timer is enabled in critical applications to recover from software lockups. The 13 I/O pins can source/sink up to 25 mA per pin, suitable for direct LED drive. This page synthesizes Microchip datasheet specifications, real distributor pricing as of 2026-09-19, same-package drop-in alternatives from the PIC16Cxxx family, and practical design notes not aggregated elsewhere.

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PIC16CE624-04/SS - 4MHz 8-bit OTP MCU, 1.75KB | Microchip
PIC16CE624-04/SS

PIC16CE624-04/SS - 4MHz 8-bit OTP MCU, 1.75KB | Microchip

The Microchip Technology PIC16CE624-04/SS is a CMOS OTP-based 8-bit microcontroller built on Microchip's PIC® architecture, packaged in a 20-pin SSOP (0.209 inch / 5.30 mm width) with 1.75 KB of program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory. The /04 speed grade denotes a 4 MHz maximum clock input, providing 200 ns single-cycle instruction execution and 133 ns instruction time on the inner pipeline. The device integrates two analog comparators with a programmable voltage reference, 13 digital I/O pins, and operates from 3 V to 5.5 V across the commercial temperature range. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (here OTP ROM), data memory, and peripheral I/O on a single silicon die. The PIC16CE624 belongs to the PIC16C mid-range family, sitting in the broader hierarchy: PIC16C mid-range MCU -> PIC® architecture -> 8-bit microcontroller -> embedded microcontroller -> semiconductor. The 'CE' suffix indicates CMOS with on-chip EEPROM data memory, which is uncommon in this generation and useful for storing calibration constants, configuration data, and serial numbers without external storage. The '624' core has 35 single-word instructions, making it one of the easiest microcontroller families to learn and program in assembly or C. Key features of the PIC16CE624-04/SS include 13 bidirectional I/O pins (port A: 5, port B: 8) with individually programmable weak pull-ups, two on-chip analog comparators with programmable reference, a watchdog timer with its own on-chip RC oscillator for reliable operation, an 8-bit timer/counter (TMR0), and power-on reset / brown-out reset circuitry. The 128-byte EEPROM is rated for 1 million erase/write cycles typical, with data retention exceeding 40 years, which is far more durable than typical Flash-based EEPROM emulation schemes on later PIC16 devices. The PIC16CE624 uses a Harvard architecture with a 14-bit instruction word and separate 8-bit data bus. Its RISC core executes most instructions in a single instruction cycle (4 clock periods), giving effective throughput of 5 MIPS at 20 MHz. Power management features include the SLEEP mode with wake-up on I/O change or watchdog timer overflow, and a low-power RC oscillator option for battery-sensitive designs. Typical applications include appliance control (washing machines, microwave ovens, coffee makers), automotive body electronics (seat controllers, mirror adjusters), industrial sensor interfaces, security and access control panels, and consumer remote controls. The on-chip comparators make it well suited to low-cost analog signal conditioning without external op-amps. When designing with this part, ensure the ICSP programming pins (RB6, RB7) are reserved on the PCB layout even if not used for debugging, since the OTP memory cannot be re-programmed. The EEPROM endurance and 4 MHz speed are the primary trade-offs against PIC16F-series Flash replacements; choose the F-series only if you need in-system reprogrammability. This page synthesizes Mouser and Octopart distributor pricing, Microchip PIC16CE624 family datasheet specifications, and drop-in same-package alternatives (notably the PIC16CE624-04I/SS industrial-temperature variant) that engineers can source today without redesigning the PCB footprint.

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PIC16CE624-04I/P - 8-bit OTP MCU 1.75KB EPROM 96B RAM | Microchip
PIC16CE624-04I/P

PIC16CE624-04I/P - 8-bit OTP MCU 1.75KB EPROM 96B RAM | Microchip

The Microchip Technology PIC16CE624-04I/P is a CMOS OTP-based 8-bit microcontroller from the PIC16CE62X family, featuring 1.75KB of EPROM program memory, 96 bytes of data RAM, and 128 bytes of EEPROM data memory. Housed in an 18-pin PDIP (Plastic DIP) through-hole package, it runs at a 4 MHz clock with a 200 ns instruction cycle (single-cycle instructions, except branches which take two cycles). The device operates from a 3.0V to 5.5V supply and is rated for the industrial temperature range (-40C to +85C). What is a PIC16 OTP microcontroller? The PIC16CE62X series sits within Microchip's mid-range 8-bit PIC architecture - an enhanced version of the baseline PIC16C5X core with 14-bit instruction words, a deeper call stack, and integrated analog peripherals. OTP microcontrollers (One-Time Programmable) are designed for cost-sensitive, low-volume production where the firmware is finalized before manufacture, in contrast to flash-based PIC16F parts that support in-circuit reprogramming. This family is part of the broader PIC16 -> PICmicro -> 8-bit MCU -> microcontroller -> semiconductor hierarchy. Key features include 13 digital I/O pins, two on-chip analog comparators, a programmable voltage reference, a watchdog timer with its own on-chip RC oscillator, power-on reset, brown-out reset, and an 8-bit timer/counter with a 16-bit mode option. The device supports in-circuit serial programming (ICSP) via two pins, allowing code update after PCB assembly. Upward code compatibility with PIC16C5X and PIC12CXXX devices allows developers to reuse existing assembly code or migrate designs upward to higher pin-count PIC16CE62X variants. Typical applications include appliance controls, sensor signal conditioning with on-chip comparators, low-cost motor control, automotive interior subsystems (under-hood nodes require the extended -40C to +125C grade), battery chargers, security keypads, and industrial sensor interfaces where the 18-pin footprint is sufficient and OTP cost savings outweigh flash reprogrammability. When designing with this part, note that OTP memory cannot be erased - code bugs in the field require physical part replacement. The on-chip comparators enable the part to replace external analog components in battery-monitoring and signal-conditioning circuits, reducing BOM cost. The PIC16CE624-04I/P supports ICSP for programming after PCB assembly, simplifying manufacturing.

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PIC16CE624-04I/SO - 8-bit OTP MCU, 4MHz, 1.75KB | Microchip
PIC16CE624-04I/SO

PIC16CE624-04I/SO - 8-bit OTP MCU, 4MHz, 1.75KB | Microchip

The Microchip Technology PIC16CE624-04I/SO is a CMOS, fully-static, 8-bit OTP-based microcontroller in the PIC16C family, integrating 1.75 KB (1K x 14) of OTP program memory, 96 bytes of RAM, 128 bytes of EEPROM data memory, and 13 digital I/O pins in a 18-pin SOIC (SO) package. The '04' suffix denotes a 4 MHz maximum clock input, yielding 200 ns single-cycle instruction execution with the exception of program branches, which take two cycles. An LDO is a type of linear voltage regulator that maintains a stable output voltage even when the input voltage approaches the output voltage. By analogy, the PIC16CE624 belongs to the 8-bit microcontroller family (PIC16C series), itself a sub-family within Microchip's broader PICmicro architecture hierarchy: PIC16C -> 8-bit MCU -> microcontroller -> embedded computing -> semiconductor. Understanding this hierarchy clarifies how the CE624 compares to PIC10/PIC12/PIC16/PIC18/PIC24/dsPIC/PIC32 parts in instruction set, memory map, and peripheral complement. Key differentiating features include 2 on-chip analog comparators with a programmable voltage reference, 128 bytes of non-volatile EEPROM for parameter storage, an internal 4 MHz RC oscillator option, and an instruction set of only 35 single-word instructions, making it one of the easiest PIC microcontrollers to program. The wide 3.0 V to 5.5 V supply range, hardware USART-less design, and 25 mA source/sink per I/O simplify interface to relays, LEDs, and discrete logic. Technically, the PIC16CE624 uses a Harvard-architecture RISC engine with a 14-bit instruction word, 8-bit data path, and a 33-instruction opcode set, delivering deterministic 200 ns cycle time at 20 MHz and 1 us at 4 MHz. Two comparators with programmable reference enable direct interfacing to analog sensors, eliminating an external op-amp. The 128-byte EEPROM endurance is rated at 1M erase/write cycles minimum, and brown-out reset is configurable for reliable operation on noisy rails. Typical applications include appliance control boards, automotive body controllers, industrial sensor interfaces, security panels, and low-cost consumer products. Its 2 comparators with programmable VREF make it well suited for threshold detection on battery or thermistor inputs. When designing with this part, ensure your programmer supports the OTP variant (the 'C' family is one-time programmable; choose PIC16F627A/628A/648A for Flash re-programmability in the same 18-pin footprint). This page synthesizes cross-referenced Live Octopart distributor pricing, drop-in same-family alternatives from the Microchip PIC16CE62X lineup, and practical engineering guidance on the OTP programming constraint - information not bundled in the manufacturer datasheet.

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