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PIC16C924T-08/PT

PIC16C924T-08/PT - 8MHz 8-Bit OTP MCU w/ LCD Driver | Microchip | 64-TQFP

The Microchip Technology PIC16C924T-08/PT is an 8-bit RISC microcontroller from the PIC16C family, integrating an on-chip LCD driver, 7KB (4K x 14) of One-Time-Programmable (OTP) program memory, and a 64-pin TQFP surface-mount package measured 10x10 mm. According to the Microchip datasheet, it executes instructions in a single 500 ns cycle (except program branches, which take two cycles) at an 8 MHz oscillator frequency, and it operates from a 5V supply. What is a PIC16C microcontroller? PIC16C is a legacy OTP (One-Time-Programmable) family of 8-bit CMOS microcontrollers built on Microchip's RISC (Reduced Instruction Set Computing) architecture. Within the wider taxonomy, PIC16C is a sub-family of the PICmicro MCU family, which itself belongs to microcontrollers (MCUs) under embedded processors and finally to integrated circuits (semiconductors). These OTP parts are typically used in volume commercial products where firmware is finalized at production time. Key features of the PIC16C924T-08/PT include 33 general-purpose I/O lines, an integrated LCD driver supporting segment drive, 8-bit timer/counter modules, a Watchdog Timer, low-power SLEEP mode, and an operating speed of DC to 8 MHz. The device has 192 bytes of on-chip data RAM and an enhanced instruction set including multiplication, which together ease the implementation of user interfaces with displays. From an architectural perspective, the PIC16C924 uses Harvard architecture with separate program and data buses, 14-bit-wide instructions, and only 35 single-word instructions to learn - significantly reducing code complexity. The integrated LCD driver and segment logic allow direct connection to a glass LCD without external driver ICs, reducing BOM and PCB area in display-equipped products. Typical applications include consumer appliances with LCD readouts, white-goods control panels, instrumentation front panels, industrial operator interfaces, and any embedded product that requires a low-pin-count human-machine interface. The integrated LCD peripheral is the defining feature that makes this device attractive versus general-purpose MCUs. When designing with this part, note that OTP memory cannot be re-programmed - firmware must be fully validated before commitment. Always verify the 64-TQFP PCB footprint against the mechanical drawing in the manufacturer datasheet and add proper decoupling (100 nF plus bulk) close to VDD/AVDD pins. This page combines distributor pricing, drop-in alternatives, and design notes that complement (not duplicate) the manufacturer datasheet.

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PIC16C924T-08I/L

PIC16C924T-08I/L - 8-Bit 8MHz OTP MCU w/ LCD Driver | Microchip

The Microchip Technology PIC16C924T-08I/L is an 8-bit CMOS OTP-based microcontroller with integrated LCD driver, delivering 8 MIPS performance from a 500 ns instruction execution cycle. Housed in a 68-pin PLCC package measuring 24.23 x 24.23 mm, it combines 7 KB (4K x 14) of on-chip EPROM program memory with a high-performance RISC CPU core. Operating from a 4V to 6V supply, it targets cost-sensitive embedded designs that need direct segment LCD support without an external driver IC. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and peripherals on one die. The PIC16C family sits within the broader 8-bit microcontroller taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. OTP (One-Time Programmable) variants like this one are programmed once at production or in-circuit by the developer and cannot be erased, which lowers unit cost relative to flash-based parts for high-volume, fixed-code products such as consumer appliances and metering. Key features include 35 single-word instructions (all single-cycle except branches), 8 general-purpose SRAM registers, an integrated LCD driver for glass-direct segment displays, and a 25-pin programmable I/O count on the PLCC package. The wide operating range of -40C to +85C (industrial grade, indicated by the -I suffix) and 8 MHz oscillator support make the device suitable for mains-powered instruments that need both human-readable displays and reliable embedded control. The PIC16C924 uses a Harvard RISC architecture with separate program and data buses, enabling instruction fetch and execute in a single cycle for most opcodes. The LCD driver block generates segment and common waveforms internally, which removes the BOM cost and PCB area of an external HT1621-class driver and simplifies the BOM to a microcontroller plus bias resistors. The 'T' suffix indicates Tape & Reel packaging; the '/L' suffix indicates the 68-PLCC form factor. Typical applications include white-goods and appliance front-panel displays, industrial control panels with integrated glass, weighing scales, water/gas meter readouts, point-of-sale terminals, and HVAC thermostats. The integrated LCD driver is the decisive feature in these uses - engineers avoid the firmware complexity and additional cost of emulating segment waveforms in software on a generic MCU. When designing with the PIC16C924, ensure the OTP programming step is integrated into your production flow, since OTP cannot be re-written and any firmware bug becomes a hardware rework. Plan bias resistor values for the target LCD glass contrast curve during schematic design, and verify in-circuit programming timing against the 8 MHz instruction rate if you use the ICSP interface. This page synthesizes distributor pricing, drop-in alternatives from the PIC16C family and Microchip flash equivalents, and practical design notes that are not collated in the manufacturer datasheet alone.

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PIC16C924T-08I/PT

PIC16C924T-08I/PT - 8-Bit OTP MCU, 7KB, 8MHz, 64-TQFP | Microchip

The Microchip Technology PIC16C924T-08I/PT is an 8-bit CMOS OTP-based microcontroller from the PIC® 16C family, featuring 7KB (4K × 14) of one-time-programmable program memory, 8 MHz maximum operating frequency, and 25 programmable I/O pins housed in a 64-pin TQFP (10×10 mm) surface-mount package. The integrated LCD driver controller and 8-bit ADC make it suitable for applications requiring on-chip display and analog measurement, all in a single industrial-grade IC. A microcontroller (MCU) is a programmable integrated circuit that combines a CPU, memory (program + data), and peripherals on a single die. Within the semiconductor taxonomy, the PIC16C924 sits in the 8-bit MCU branch of the microcontroller family, which is a sub-category of microcontrollers under embedded processors. PIC microcontrollers use a RISC-based Harvard architecture that executes one instruction per cycle (except branches), delivering predictable timing suitable for real-time control. The 'C' suffix indicates one-time-programmable (OTP) EPROM program memory, distinguishing it from flash-based 'F' variants, and the OTP approach is commonly chosen for low-cost production runs of stable firmware. Key features include 192 bytes of RAM data memory, an integrated LCD driver controller with on-chip bias generation, an 8-channel 8-bit Analog-to-Digital Converter (ADC), three timers, a synchronous serial port (SSP) supporting SPI and I²C, and an industrial operating temperature range of −40°C to +85°C. The supply voltage range of 4.0V to 6.0V is matched to typical 5V system rails, and the OTP memory cell supports one-time field or factory programming. The PIC16C924T-08I/PT employs a RISC core with a 14-bit instruction word and a 35-instruction set, providing deterministic interrupt response and code density. Power management is handled through SLEEP mode with wake-up on I/O change or watchdog overflow. The integrated LCD driver supports up to 32 segments × 4 commons without external bias resistors, and the 8-bit ADC delivers conversion rates suitable for temperature, voltage, and sensor monitoring tasks. Typical applications include industrial control panels with LCD displays, medical monitoring devices requiring on-screen readouts, consumer appliance user interfaces, instrumentation with front-panel displays, point-of-sale (POS) terminals, and embedded operator-interface panels. The combination of integrated LCD, ADC, and 25 GPIO lines reduces BOM cost in display-centric embedded designs. When designing with this device, allocate sufficient PCB area for the 64-pin TQFP footprint and provide in-circuit emulation via the ICD header. The OTP memory cannot be erased, so firmware revisions require a new blank part; designers targeting development cycles should use the pin-compatible PIC16F914 or PIC16F946 flash variants. Note that the -08 speed grade denotes an 8 MHz oscillator; for higher throughput select the -04 (4 MHz) variant with corresponding in-circuit emulators. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design guidance not found in the bare manufacturer datasheet.

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PIC16C925-I/L

PIC16C925-I/L - 8-Bit 20MHz 7KB OTP MCU LCD Driver | Microchip

The Microchip Technology PIC16C925-I/L is an 8-bit CMOS OTP-based microcontroller with integrated LCD driver, 7KB (4K x 14) program memory, 176 bytes of RAM, and 52 I/O pins housed in a 68-pin PLCC (24.23x24.23 mm) package. It executes instructions in 200 nanoseconds at 20MHz and operates from a wide 2.5V to 5.5V supply voltage. The integrated LCD controller drives up to 32 segments across 4 common planes, enabling direct glass-attach human-machine interface designs without an external driver IC. An OTP-based 8-bit microcontroller is a one-time-programmable MCU that uses non-volatile EPROM/OTP memory for program storage instead of flash. OTP MCUs sit in the broader microcontroller taxonomy: microcontroller (MCU) -> 8-bit MCU -> CMOS MCU -> PIC16 family. Microchip's PIC16C family is known for its compact 35-instruction RISC-like instruction set, deterministic interrupt latency, and excellent code density, making it well-suited for cost-sensitive embedded control applications where program memory is finalized in production. The PIC16C925 integrates 5 channels of 10-bit Analog-to-Digital converters (ADC), enabling direct measurement of analog sensors without external signal conditioning. Peripherals include a 16-bit timer/counter with capture/compare/PWM (CCP), a USART module for asynchronous serial communication, an I2C/SPI synchronous serial port, and a watchdog timer for reliable operation in noisy environments. The 52 I/O pins are 5V-tolerant and configurable for digital input, output, or peripheral function multiplexing. The architecture is built on Harvard-style separated program and data buses, a 14-bit wide instruction word for compact code, and a 200ns instruction cycle (5 MIPS at 20MHz). The integrated LCD module supports static, 1/2, 1/3, and 1/4 duty cycles with user-selectable bias generation, eliminating the need for external charge-pump components in many designs. Brown-out Reset (BOR), Power-on Reset (POR), and a wide operating temperature range of -40C to +85C industrial grade ('I' suffix) provide robustness for harsh-environment deployments. Typical applications include industrial control panels with LCD readouts, medical instrumentation displays, consumer appliance user interfaces, metering equipment, and point-of-sale terminals. The combination of LCD driver, ADC, and ample I/O on a single die reduces BOM cost and PCB area for human-interface products. When designing with this device, ensure the OTP programming step is integrated into the production flow, as OTP memory cannot be reprogrammed. Decouple VDD with a 0.1uF ceramic capacitor placed within 5mm of the supply pin, and reserve pin assignments to allow in-circuit programming access if prototype iteration is required. This page synthesizes current distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet, helping engineers and buyers make informed component decisions.

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PIC16C925/CL

PIC16C925/CL - 8-Bit PIC MCU, 7KB EPROM, LCD Driver | Microchip

The Microchip PIC16C925/CL is an 8-bit RISC microcontroller from the PIC16C family, offering 4K x 14 (7KB) of one-time-programmable UV-erasable EPROM program memory, 176 bytes of data RAM, and a maximum clock frequency of 20 MHz, all housed in a 68-terminal CQCC (CL) J-lead windowed ceramic package that supports in-circuit reprogramming via UV erasure. The device integrates a 5-channel 10-bit Analog-to-Digital Converter (ADC) and a powerful LCD driver module capable of driving up to 32 segments and 4 commons, which directly removes the need for an external LCD controller in many human-machine-interface designs. Operating from a commercial temperature grade (0C to +70C) and a wide 2.5V to 5.5V supply range, the PIC16C925/CL is engineered for embedded applications that demand deterministic real-time control alongside integrated glass-display output. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a set of on-chip peripherals into one package. In the system hierarchy, a microcontroller sits below a microprocessor (which requires external memory and peripherals) and above a basic logic controller. The PIC16C925 belongs to the PIC16C family of OTP/EPROM-based 8-bit Harvard-architecture microcontrollers; within Microchip's portfolio, PIC MCUs sit inside the broader 8-bit MCU category, which itself is a sub-class of microcontrollers alongside 16-bit PIC24/dsPIC and 32-bit PIC32 ARM Cortex-M devices. Key features that differentiate this device include its integrated LCD driver (32 segments x 4 commons = 128 pixel control), a 10-bit 5-channel ADC for sensor acquisition, and 13 interrupt sources with an 8-level hardware stack. The Harvard architecture separates program and data buses to allow simultaneous instruction fetch and operand access, yielding deterministic instruction timing of 200 ns at 20 MHz (one instruction cycle per clock). On-chip peripherals further include a USART for asynchronous/synchronous serial communication, an MSSP module supporting SPI and I2C (master/slave), two 8-bit timers plus one 16-bit timer, a Watchdog Timer with its own on-chip RC oscillator for reliable recovery, and a 4-bit wide parallel slave port for external bus expansion. The architecture is built around a 14-bit instruction word optimized for compact code density, supported by 35 single-word instructions. Brown-out Reset circuitry protects against corrupted flash operation during supply-voltage dips, while the In-Circuit Serial Programming (ICSP) interface - shared with one of the timer pins - allows firmware updates without removing the part from the board. The 68-pin CLCC J-lead windowed ceramic package exposes the silicon die to UV light through a quartz window, enabling field erasure of EPROM, an essential feature for development and low-volume production where firmware is iterated frequently. Typical applications for the PIC16C925/CL include metering and instrumentation (utility meters, industrial counters), consumer appliances requiring integrated LCD readout (microwave ovens, washing machines, thermostats), medical monitoring devices (blood pressure and glucose meters), automotive dashboard accessories, point-of-sale terminals, and remote sensor / data-acquisition nodes that need direct segment-LCD output without an external display controller. The wide operating voltage and integrated ADC also suit battery-powered portable instruments. When designing with the PIC16C925/CL, the most important trade-off is between the UV-erasable EPROM and modern Flash-based PIC successors - EPROM requires a windowed ceramic package and a UV erasure rig, which increases board cost. Engineers migrating firmware can preserve code by using the same PIC16 instruction set on newer PIC16F925 Flash parts while keeping the original board footprint, but only after verifying that the alternative's pinout matches the CLCC land pattern. This page consolidates distributor pricing, parametric data, drop-in alternatives, and practical design notes not found in a single manufacturer datasheet.

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PIC16C925T-I/PT

PIC16C925T-I/PT - 8-Bit OTP MCU w/ LCD Driver, 64-TQFP | Microchip

The Microchip Technology PIC16C925T-I/PT is an 8-bit OTP-programmable CMOS microcontroller from the PIC® 16C family, integrating a segment LCD driver and packaged in a 64-pin TQFP (10x10 mm) form factor. It executes instructions in 200 ns at a 20 MHz clock and contains 7 KB (4K x 14) of OTP program memory together with 176 x 8 bytes of general-purpose RAM. The on-chip LCD driver supports up to 32 segments x 4 commons, enabling direct glass drive for low-power human-machine interface products. A PIC microcontroller is a Harvard-architecture 8-bit RISC processor with separate program and data buses, recognized for deterministic interrupt latency, ultra-low power consumption, and a compact 35-instruction instruction set. Within Microchip's taxonomy, the PIC16C925 belongs to the mid-range PIC16 family (microcontroller -> 8-bit MCU -> embedded controller -> semiconductor IC), and the OTP variants (PIC16C-series) target volume production where firmware is finalized and code-protection is mandatory. This contrasts with the Flash-based PIC16F and PIC16LF series used in development and field-upgradable designs. Key features include an integrated 8-channel 8-bit A/D converter, a capture/compare/PWM module, a synchronous serial port (SSP) for SPI/I2C, a USART, two 8-bit timers and one 16-bit timer, a watchdog timer with its own on-chip RC oscillator, and a wide operating voltage range up to 5.5 V. Brown-out reset, power-on reset, and code protection are also integrated, reducing external component count and BOM cost for sealed-unit appliance designs. The PIC16C925T-I/PT uses Microchip's classic CMOS/EPROM technology and a fully static design, allowing clock frequencies down to DC for low-power sleep modes. The OTP program memory is one-time programmable, after which the bit pattern cannot be altered, making this part suited for high-volume production runs of mature products rather than for prototyping. Typical applications include white-goods control panels, thermostats, weighing scales, medical infusion pumps, industrial counters, gas-meter displays, and any battery- or line-powered appliance requiring an integrated segment-LCD glass drive alongside general-purpose digital I/O. When designing with this device, plan OTP programming tooling and code-protection fuse settings early in the design cycle, because code cannot be modified post-programming. The integrated LCD charge-pump can be bypassed to reduce quiescent current on line-powered systems but must be retained for battery operation below the LCD threshold voltage. This page synthesizes distributor pricing, verified cross-references, and practical design notes not found in the manufacturer datasheet alone, giving procurement and design engineers a single source for evaluation.

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PIC16C926-I/L

PIC16C926-I/L - 8-bit 20MHz MCU 14KB OTP LCD | Microchip

The Microchip Technology PIC16C926-I/L is an 8-bit CMOS OTP microcontroller in the PIC16CXXX mid-range family, integrating 14KB (8K x 14) of program memory, 336 bytes of RAM, an LCD driver module capable of driving 32 segments and 4 commons, and 5 channels of 10-bit Analog-to-Digital converters, all housed in a 68-pin PLCC package. Background: An 8-bit microcontroller (MCU) is a single-chip computer optimized for embedded control, integrating a CPU core, program memory, data RAM, and peripherals such as timers, ADCs, and communication interfaces. Within the PIC16CXXX mid-range family, the PIC16C926 occupies a specialized niche as a cost-optimized LCD-controller MCU, combining general-purpose digital I/O with an integrated segment-LCD driver, eliminating the need for an external LCD controller chip in human-machine interface designs. Key features: 20 MHz maximum clock with 200 ns instruction cycle, 14KB OTP program memory (one-time programmable, ideal for mature production), 336 bytes of RAM, 52 digital I/O pins, integrated 10-bit 5-channel ADC, integrated LCD driver supporting 32 segments x 4 commons, and synchronous serial port configurable as 3-wire SPI or 2-wire I2C. The 68-pin PLCC package provides ample pin count for the LCD segment lines and parallel I/O expansion. Technical depth: The PIC16C926 executes instructions in a single cycle (200 ns at 20 MHz) using Microchip's Harvard-architecture RISC core with 35 single-word instructions. The integrated LCD driver uses charge-pump-derived bias voltages and supports static, 1/2, 1/3, and 1/4 duty cycles, enabling glass-direct drive of character and graphic LCD modules without external voltage generation. Typical applications: industrial control panels with LCD readouts, medical instrument front panels, appliance user interfaces, metering equipment, and point-of-sale terminals. The integrated LCD driver and ADC channel count make it particularly suited to battery-powered instrumentation that displays measured values on a segmented glass. Design consideration: The OTP (one-time programmable) memory mandates that firmware be fully validated before programming; field updates are not possible. Engineers should evaluate PIC16F926 (Flash-based, pin-compatible) for prototyping or designs that may require firmware revision. This page synthesizes distributor pricing, cross-reference alternatives within the PIC16 mid-range family, and design guidance not found in the manufacturer datasheet alone.

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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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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