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

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

The Microchip Technology PIC16CE624-04I/SS is a CMOS OTP-based 8-bit RISC microcontroller belonging to the PICmicro mid-range family, packaged in a 20-pin SSOP and rated for industrial temperature operation. It executes instructions in 200 ns at a 20 MHz clock and offers 1.75 KB of OTP program memory, 96 bytes of SRAM, 128 bytes of EEPROM data memory, and 13 digital I/O pins. Operating from 3.0 V to 5.5 V, it consumes only a few milliamps active and microamps in sleep, suiting battery-aware embedded designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, RAM, non-volatile data memory and peripherals. PICmicro mid-range MCUs use a RISC core with only 35 single-word instructions and a Harvard architecture, simplifying firmware development while delivering deterministic interrupt response and predictable timing for real-time control. Key features include two on-chip analog comparators, a programmable voltage reference, a 16-bit timer/counter with a programmable prescaler, an 8-bit timer/counter, a Watchdog Timer with its own on-chip RC oscillator for reliable resets, and brown-out reset protection. The internal 4 MHz oscillator option (selected by the /04 speed suffix) eliminates external crystal cost in space-constrained designs, while the industrial temperature grade (-40C to +85C, denoted by the /I suffix) enables harsh-environment deployment. Architecturally, the PIC16CE624 separates program and data buses and executes most instructions in a single cycle. The integrated 128-byte EEPROM provides byte-level endurance of 10^6 write cycles typical, removing external NVM and shrinking BOM cost. The enhanced mid-range core supports hardware interrupts with prioritized vectors and an 8-deep hardware stack for efficient C and assembly coding. Typical applications include appliance controllers, sensor signal conditioning, low-power remote controls, automotive body electronics subsystems, white goods user interfaces, and battery management front-ends. Designers also use it in industrial sensor transmitters, HVAC damper actuators, and small motor control loops where deterministic timing and EEPROM-backed parameter storage are required. Designers should plan I/O mapping early: 13 of the 18 functional pins are available as GPIO while several share functions with the comparators, timer clock inputs, and the MCLR reset pin. A bulk-decoupling capacitor within 5 mm of VDD and a 10 kohm pull-up on MCLR are recommended for robust in-circuit programming and reset behavior. This page synthesizes distributor pricing, verified same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16CE624-20/P - 8-bit OTP MCU, 1.75KB EPROM, 128B EEPROM, DIP-18
PIC16CE624-20/P

PIC16CE624-20/P - 8-bit OTP MCU, 1.75KB EPROM, 128B EEPROM, DIP-18

The Microchip Technology PIC16CE624-20/P is an 8-bit CMOS OTP-based microcontroller in the PIC16C62x family that delivers 200 ns instruction execution at 20 MHz clock input while integrating 128 bytes of non-volatile EEPROM data memory, two on-chip analog comparators and a programmable voltage reference on a single 18-pin DIP die. An OTP microcontroller (One-Time Programmable MCU) is a class of microcontroller whose on-chip program memory is implemented as one-time-programmable EPROM; the program is written once during device programming and retained for the life of the part, which makes the device ideal for low-cost, moderate-volume production where firmware is finalized before manufacturing. The PIC16C62x family sits within Microchip's PIC mid-range 8-bit architecture, which in turn belongs to the broader category of microcontrollers and, higher in the system hierarchy, embedded controllers and finally integrated circuits (semiconductors). The 'E' suffix in PIC16CE624 specifically denotes integrated EEPROM data memory in addition to the program EPROM, distinguishing this part from the PIC16C624 (no internal EEPROM) and the PIC16CR624 (ROM program memory). Key features include 1.75 KB (1792 words x 14 bits) of OTP program EPROM, 128 bytes of user EEPROM, 96 bytes of general-purpose RAM, 13 digital I/O lines, two analog comparators with programmable reference, an internal 4 MHz RC oscillator option, and a brown-out reset (BOR) circuit. The device operates from 3.0 V to 5.5 V across the commercial 0C to +70C range and executes most instructions in a single 200 ns cycle (only program branches are two-cycle, 400 ns). The 35-instruction RISC set keeps firmware development simple and code-dense. The architecture follows Microchip's classic PIC16 mid-range pipeline: 14-bit instruction word, separate program and data buses (Harvard), 8-level hardware stack, and direct/indirect addressing modes. The 128-byte EEPROM is byte-erasable in-circuit through EECON register access, which is unusual for OTP-only families and gives PIC16CE624 a useful data-logging capability that pure PIC16C parts lack. Typical applications include appliance control boards, low-end HVAC thermostat logic, simple sensor signal conditioning with the on-chip comparators, automotive body controllers (industrial-grade 'I' variants cover -40C to +85C), consumer remote controls, and small-form-factor white-goods user interfaces where 13 I/O lines and two comparators cover most requirements. When designing with this device, observe the maximum 20 MHz clock at 5V (derate to 4 MHz at 3V), allow 72 ms typical EPROM programming time in production, and reserve one I/O line for the in-circuit serial programming (ICSP) clock if firmware updates are anticipated after board assembly. This page consolidates distributor pricing, drop-in alternatives within the PIC16CE62x family, comparison against the modern flash-based PIC16F627A successor, and practical design notes that go beyond the manufacturer datasheet table of contents.

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PIC16CE624-20/SO - 8-bit OTP MCU, 1.75KB EPROM | Microchip
PIC16CE624-20/SO

PIC16CE624-20/SO - 8-bit OTP MCU, 1.75KB EPROM | Microchip

The Microchip Technology PIC16CE624-20/SO is an 8-bit, fully-static, CMOS OTP-based microcontroller in the PICmicro family, housed in an 18-pin SOIC package with the -20 speed grade denoting a 20 MHz maximum oscillator frequency and 200 ns instruction cycle. The 'CE' suffix indicates the inclusion of 128 bytes of on-chip EEPROM data memory alongside 1.75 KB (1K x 14) of EPROM program memory, 96 bytes of RAM, and 13 digital I/O pins. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip integrating a CPU, program memory, working RAM, and peripheral blocks (timers, comparators, I/O) into a single package. The PIC16CE62X family sits in the hierarchy: 8-bit MCU -> PIC16 mid-range -> PIC16CE6xx sub-family -> CMOS OTP with EEPROM. These devices execute single-word RISC instructions with predictable timing, well suited to deterministic control tasks. Key features include 35 single-word instructions, 133 ns instruction execution at 20 MHz, two on-chip analog comparators with a programmable voltage reference, a watchdog timer with on-chip RC oscillator, a 16-bit timer/counter (TMR1), an 8-bit timer/counter (TMR0), and an internal brown-out reset circuit. The device supports in-circuit serial programming (ICSP) through RB6/RB7, enabling firmware update after PCB assembly. The architecture follows Microchip's classic Harvard pipeline with separate program and data buses. The 14-bit instruction word allows immediate operands and direct bit manipulation, while the 8-bit data path keeps register usage compact. EEPROM endurance is specified at 1M write/erase cycles minimum and retention above 40 years, providing reliable non-volatile parameter storage. Typical applications include white goods and appliance control, automotive body electronics (wiper, lighting, mirror modules), industrial sensor conditioning with analog comparator triggers, low-end consumer products, and battery-powered instrumentation where the PIC16C622/CE622 migration path offers upgrade headroom. Designers should bias the EPROM-programmed variant by reserving a programming connector on the PCB or selecting the flash-based PIC16F627A for prototypes. The OTP windowed part PIC16CE624/JW is recommended only for development verification. This page synthesizes distributor pricing across DigiKey, Mouser, and Octopart, same-package drop-in alternatives including the flash-based PIC16F627A-I/SO migration, and practical design notes not bundled in the original datasheet.

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PIC16CE624-20E/P - 8-Bit 20MHz OTP MCU w/EEPROM | Microchip
PIC16CE624-20E/P

PIC16CE624-20E/P - 8-Bit 20MHz OTP MCU w/EEPROM | Microchip

The Microchip Technology PIC16CE624-20E/P is an 8-bit CMOS OTP-based RISC microcontroller in an 18-pin PDIP through-hole package, featuring 1.75KB (1K x 14) of OTP program memory, 128 bytes of EEPROM data memory, and a 20 MHz maximum clock input that yields a 200 ns instruction cycle. An OTP microcontroller (One-Time-Programmable MCU) is a member of the microcontroller (MCU) family that sits within the broader category of embedded microcontrollers and embedded systems. It belongs to Microchip's PIC16C mid-range architecture, a RISC (Reduced Instruction Set Computer) architecture using a Harvard memory model. Unlike flash-based MCUs, OTP parts are programmed once by the user or factory and cannot be re-programmed in-circuit, making them suited for high-volume cost-sensitive products where firmware is finalized before production. The "E" in the part number designates the extended (-40C to +125C) automotive operating temperature grade, which is an important selection criterion versus the standard "I" (-40C to +85C) variant. Key features include 13 digital I/O pins, 64 bytes of SRAM, two on-chip analog comparators, a programmable voltage reference, a watchdog timer with its own on-chip RC oscillator, brown-out reset, power-on reset, and an 8-bit timer/counter (TMR0). The 35 single-word instruction RISC core executes most instructions in a single 200 ns cycle, and the device runs from a single 3.0 V to 5.5 V supply. The instruction set is upwards-compatible with the PIC16C5X baseline and PIC12CXXX baseline devices, easing code migration for designers familiar with older PIC families. Technically, the PIC16CE624 separates code and data buses (Harvard architecture), has a 14-bit-wide instruction word, and integrates analog peripherals directly on-chip, reducing external component count. Its 2 comparators can be tied to the programmable voltage reference to build simple ADC front-ends or battery monitors without an external analog IC. Typical applications include automotive body controllers, appliance control boards, simple sensor signal conditioning with on-chip comparators, low-cost consumer remote controls, and replacement of discrete logic in white goods. The extended temperature grade specifically targets under-hood and automotive cabin modules. When designing with this device, remember that OTP memory requires a one-time programmer and cannot be re-flashed - plan firmware development on a flash-based sibling (such as PIC16F684) before committing to the PIC16CE624 for production. Place a 0.1 uF decoupling capacitor as close as possible between VDD and VSS, and respect the 5.5 V absolute maximum on the supply rail to avoid EEPROM data corruption.

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PIC16CE624-20E/SO - 8-bit 20MHz OTP MCU, 1.75KB | Microchip
PIC16CE624-20E/SO

PIC16CE624-20E/SO - 8-bit 20MHz OTP MCU, 1.75KB | Microchip

The Microchip Technology PIC16CE624-20E/SO is an OTP-based 8-bit CMOS RISC microcontroller with 1.75KB (1K x 14) of program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory, housed in an 18-pin SOIC package and operating from 3.0V to 5.5V at a 20 MHz clock speed. The PIC16CE624-20E/SO is the 'Extended' industrial-grade variant (suffix E) of the PIC16CE62X family and integrates two analog comparators plus a programmable voltage reference on-chip, which removes the need for external analog front-end components in many control loops. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program + data), and programmable I/O peripherals. The PIC16C/PIC16CE series sits in the Microchip 'mid-range' 8-bit family — one tier above the baseline PIC10/PIC12 line — and is designed for low-cost, deterministic control in appliance, industrial, and automotive-entry applications. Within that hierarchy, this OTP variant uses one-time-programmable program memory (not re-flashable in-circuit), which lowers die cost and suits closed production runs; Flash-based PIC16F equivalents are preferred for new designs requiring field firmware updates. Key differentiating specifications include a 200 ns instruction cycle (one cycle per instruction except branches, which take two), only 35 single-word instructions to learn, and a wide operating voltage range of 3.0V to 5.5V that lets the same part power from a 3.3V regulated rail or a freshly regulated 5V supply. The integrated pair of comparators and programmable voltage reference (PVR) provide a complete analog comparator subsystem for sensor thresholding, battery voltage monitoring, or simple SMPS feedback without external op-amps. Typical applications span appliance control boards, automotive body modules, industrial sensor interfaces, and consumer white-goods subsystems where deterministic execution, an EEPROM-backed non-volatile parameter store, and small footprint matter more than raw CPU throughput. Designers often select the PIC16CE624 for cost-down redesigns where code has already been qualified on the OTP PIC16C62X architecture. The 18-SOIC package is friendly to hand-soldering and to through-hole-style SOIC prototyping boards, which accelerates prototype cycles. A key design consideration is that OTP memory cannot be reprogrammed in-circuit, so production-grade code should be locked and validated against the datasheet before volume ordering. For new designs that need ISP (in-system programming) or future firmware revisions, the PIC16F627A-I/SO or PIC16F628A-I/SO Flash-based cousins are the typical drop-in upgrade path with the same 18-pin pinout. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on a single manufacturer datasheet, presenting them side-by-side for faster component selection.

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PIC16CE624-20I/SO - 8-bit OTP MCU 1.75KB 20MHz 18-SOIC | Microchip
PIC16CE624-20I/SO

PIC16CE624-20I/SO - 8-bit OTP MCU 1.75KB 20MHz 18-SOIC | Microchip

The Microchip Technology PIC16CE624-20I/SO is an 8-bit CMOS OTP-based microcontroller built on the PIC16 architecture, delivering 20 MHz (133 ns instruction cycle) performance in an 18-pin SOIC package with 1.75 KB (1K x 14) program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory. It offers 13 digital I/O lines plus integrated analog peripherals. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program + data), and peripheral interfaces into one package. The PIC16CE624 belongs to the Microchip PIC16 family (PIC16C5X lineage, PIC12CXXX upward compatible), which is the 8-bit OTP -> microcontroller -> embedded controller -> semiconductor taxonomy tier. The 'C' in PIC16CE624 indicates the OTP program-memory variant (windowed JW = EPROM, F = Flash), while the trailing 'E' denotes on-chip EEPROM data memory, the '624' part number identifies the specific memory/peripheral mix, and the '20I' suffix specifies 20 MHz speed and the industrial -40C to +85C temperature grade. Key features include two on-chip analog comparators, a programmable voltage reference, an internal 4 MHz RC oscillator option, a 5-channel 8-bit ADC on related parts, in-circuit serial programming (ICSP), and a 14-bit wide instruction set with only 35 single-word instructions. Power management includes POR (power-on reset), BOR (brown-out reset), WDT (watchdog timer with its own RC oscillator), and power-saving SLEEP mode with wake-up on pin change. Operating voltage spans 3.0 V to 5.5 V. Architecturally the PIC16CE624 uses a RISC Harvard bus design with separate program and data paths, providing deterministic 133 ns instruction execution at 20 MHz. The EEPROM data memory (128 bytes, 1 million erase/write cycles typical) is byte-accessible and is the primary feature that differentiates the CE variants from the base PIC16C62X family, making them attractive for products that must retain calibration data or setpoints across power cycles without external EEPROM. Typical applications include appliance control panels, automotive interior modules, HVAC fan and damper controls, security sensor interfaces, and consumer remote controls. The industrial temperature grade, on-chip comparators, and EEPROM data retention make it particularly well suited for cost-sensitive embedded designs that need non-volatile parameter storage in a compact SOIC footprint. When designing with this part, allocate proper decoupling (100 nF ceramic as close to VDD/VSS as possible) and respect the OTP programming window voltage (VDD 4.5 V to 5.5 V) during production programming. The CE suffix means OTP-only - this is a one-time-programmable device, so firmware validation must be complete before production programming. This page synthesizes distributor pricing, pin-compatible PIC16CE624 and PIC16F family drop-in alternatives, and practical design considerations not consolidated on any single manufacturer or distributor page.

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PIC16CE624-30/SO - 1.75KB OTP MCU, 30MHz, 18-SOIC | Microchip
PIC16CE624-30/SO

PIC16CE624-30/SO - 1.75KB OTP MCU, 30MHz, 18-SOIC | Microchip

The Microchip PIC16CE624-30/SO is an 8-bit CMOS RISC microcontroller with 1.75KB of one-time-programmable (OTP) program memory and 128 bytes of on-chip EEPROM data memory, packaged in an 18-pin SOIC (SO) wide-body package and rated for operation from 3.0V to 5.5V. The "-30" suffix denotes a 30 MHz (33 ns instruction cycle) oscillator input capability, making this the highest-speed grade in the PIC16CE62x family for time-critical embedded control. An 8-bit PIC microcontroller is a compact, deterministic Harvard-architecture processor that executes one instruction per instruction cycle and is widely used for low-power, low-cost embedded control. Within Microchip's taxonomy, the PIC16CE62x family sits between the baseline PIC10/PIC12/PIC16C5x parts and the mid-range PIC16F families; it is a one-time-programmable (OTP) EPROM-based part with the additional benefit of integrated 128-byte EEPROM data memory for non-volatile storage of calibration constants, user settings, or runtime counters. Key features of the PIC16CE624-30/SO include 13 digital I/O pins, two on-chip analog comparators with a programmable voltage reference, a 8-bit timer/counter (TMR0) with an 8-bit prescaler, a 16-bit timer/counter (TMR1) with capture/compare/PWM capability, and a Watchdog Timer with its own on-chip RC oscillator for reliable reset behavior. The device supports in-circuit serial programming (ICSP) through the RB6/RB7 pins, has an internal 4 MHz RC oscillator option, and operates across the -40C to +85C industrial temperature range. Architecturally, the PIC16CE624-30/SO uses a 14-bit instruction word with only 35 single-word instructions, ensuring upward code compatibility with the PIC16C5x and PIC12Cxxx device families. The wide 3.0V-5.5V operating range and the dual-analog-comparator + programmable voltage reference integration allow the part to replace several discrete analog components in consumer, appliance, and automotive sensor-interface applications. Typical applications include battery chargers, power-supply supervisory controllers, smart battery management, fan-speed controllers, security and alarm panels, low-end motor control loops, and general-purpose mixed-signal interface boards where the on-chip comparators and EEPROM data memory reduce BOM cost. The 30 MHz grade is favored over the 04 (4 MHz) and 20 (20 MHz) siblings when timing-sensitive peripherals such as UART baud-rate generation or PWM-driven switching converters require tighter tolerances. When designing with this device, note that the OTP program memory cannot be reprogrammed; for prototyping and field-upgradable code, consider the pin-compatible PIC16F62x Flash variants. Provide a 0.1uF decoupling capacitor close to VDD, configure the MCLR pin correctly (internal weak pull-up option), and reserve RB6/RB7 for ICSP in production boards so in-system firmware updates remain possible until the OTP window is closed. This page synthesizes distributor pricing and stock, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16CE624/JW - 8-Bit 20MHz OTP MCU, 1.75KB EPROM | Microchip
PIC16CE624/JW

PIC16CE624/JW - 8-Bit 20MHz OTP MCU, 1.75KB EPROM | Microchip

The Microchip Technology PIC16CE624/JW is a member of the PIC16CE62X family of 8-bit CMOS OTP-based microcontrollers featuring 1.75KB (1K x 14) of One-Time-Programmable (OTP) EPROM program memory in a UV-erasable CERDIP-18 package with a quartz window. The device integrates 128 bytes of EEPROM data memory, two on-chip analog comparators, and a programmable voltage reference on a single die. An 8-bit microcontroller (MCU) is a small computer-on-a-chip containing a processor core, program memory, RAM, and peripherals designed to embed intelligence in electronic products. Within the broader taxonomy, an MCU sits under microprocessor -> microcontroller -> 8-bit microcontroller -> CMOS RISC microcontroller. The PIC16CE62X line belongs to Microchip's mid-range PIC architecture, which is upwards compatible with the PIC16C5X baseline family and the PIC12CXXX 8-pin devices, allowing engineers to port code across pin counts with minimal rewriting. Key features include a maximum clock frequency of 20 MHz delivering 133 ns instruction execution, only 35 single-word instructions to learn, 128 bytes of data EEPROM, two comparators with a programmable voltage reference, a Brown-Out Detect (BOD), Power-On Reset (POR), Watchdog Timer (WDT), and an operating voltage range of 3.0V to 5.5V. The /JW suffix designates the 18-pin CERDIP (CERamic Dual In-line Package) form factor with an integrated quartz erasure window that allows the OTP program memory to be bulk-erased under UV light and reused during development or low-volume prototyping. The architecture is built on a Harvard-class RISC core with separate program and data buses, a 14-bit wide instruction word, and a hardware stack of 8 levels. Combined with the 2 comparators and programmable voltage reference, this allows the chip to perform analog signal conditioning tasks that would otherwise require external op-amps - useful in sensor-interface and battery-monitoring designs. Typical applications for PIC16CE624/JW include industrial sensor signal conditioning, analog front-ends for measurement equipment, automotive body and chassis subsystems, HVAC control boards, appliance controllers, and battery chargers. Its 128-byte EEPROM and on-board comparators make it well suited for designs that must store calibration constants or trim values across power cycles. Designers should note that /JW CERDIP packages are larger, more expensive, and reserved for development and UV-eraseable prototyping; production runs typically migrate to the OTP-only plastic PDIP (/P), SOIC (/SO), or SSOP (/SS) variants. The CERDIP-18 footprint is a through-hole WDIP-18 land pattern that requires a socket for UV erasing. Pricing on the /JW windowed package typically exceeds the equivalent OTP-only package by 5x-10x. This page synthesizes distributor pricing, drop-in CERDIP-18 alternatives, package migration guidance, and practical design notes not found in the manufacturer datasheet.

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PIC16CE624T-04/SO - 4MHz 8-Bit OTP MCU w/EEPROM | Microchip
PIC16CE624T-04/SO

PIC16CE624T-04/SO - 4MHz 8-Bit OTP MCU w/EEPROM | Microchip

The Microchip Technology PIC16CE624T-04/SO is an 8-bit CMOS OTP-based microcontroller from the PICmicro® 16C family, offering 4 MHz maximum operating frequency, 1.75 KB (1K x 14) of One-Time-Programmable program memory, and 128 bytes of EEPROM data memory in an 18-pin SOIC surface-mount package. The "T" suffix denotes tape-and-reel packaging and "04" denotes the 4 MHz speed grade, while "/SO" indicates the 7.50 mm-width 18-SOIC package. According to the Microchip PIC16CE624 family datasheet, this part executes instructions in 200 ns (single-cycle at 20 MHz would be 200 ns; at 4 MHz it executes one instruction per clock at 1 µs, but instruction execution is 200 ns at 4 MHz with internal 4:1 pipeline) and supports 35 single-word instructions. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, EEPROM, and programmable I/O peripherals. OTP microcontrollers use one-time-programmable memory that is programmed after manufacture and cannot be erased, making them low-cost and well-suited for high-volume production where firmware is stable. The PIC16CE62X series sits in Microchip's mid-tier 8-bit PIC family, upwards compatible with the PIC16C5X and PIC12CXXX devices, and is designed for entry-level applications in automotive, industrial, appliance, and consumer markets. Key features of the PIC16CE624 include two analog comparators with programmable reference, a Brown-Out Detect (BOD) circuit, Power-On Reset (POR), Watchdog Timer (WDT) with its own on-chip RC oscillator, and 13 general-purpose digital I/O pins. The integrated 128-byte EEPROM supports non-volatile data storage, removing the need for an external serial EEPROM in simple data-logging designs. The 4 MHz internal/external clock and 1K-word OTP program memory support small to mid-sized embedded control loops. The PIC16CE624 uses a Harvard-architecture RISC core with separate code and data buses, an 8-level deep hardware stack, and five I/O ports grouped into PORTA (5 pins) and PORTB (8 pins). The on-chip EEPROM supports >1 million erase/write cycles and 40-year retention per the Microchip datasheet, which is appropriate for parameter storage, serial-number retention, and user-setting memory in appliance and consumer products. Typical applications include white-goods and appliance control (washing-machine user-interface boards, microwave ovens), industrial sensor transmitters, low-end automotive body modules, security keypads, and small consumer devices. The combination of analog comparators, EEPROM, and small OTP code memory fits designs that previously required a multi-chip analog + EEPROM + MCU solution. When designing with the PIC16CE624T-04/SO, ensure the supply rail is decoupled with at least 0.1 µF ceramic placed within 5 mm of VDD, and confirm that the MCLR pin pull-up and reset-capacitor network match the PIC16C62X family reference design in the datasheet. Note that this part is OTP, not Flash, so firmware must be fully validated on the PIC16CE624-04/SO (windowed or EPROM equivalent) before high-volume programming. This page synthesizes distributor pricing, drop-in same-package alternatives within the PIC16CE62X and PIC16C62X families, and practical design notes that are not consolidated in any single manufacturer document.

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PIC16CE624T-04/SS - 8-Bit OTP MCU, 4MHz, 1.75KB | Microchip
PIC16CE624T-04/SS

PIC16CE624T-04/SS - 8-Bit OTP MCU, 4MHz, 1.75KB | Microchip

The Microchip Technology PIC16CE624T-04/SS is an 8-bit CMOS OTP-based microcontroller in the PIC16C family, offering a 4 MHz core speed, 1.75 KB (1K x 14) of One-Time Programmable program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory, all housed in a 20-pin SSOP package. The device features 13 digital I/O pins and is upwards compatible with the PIC16C5X and PIC12CXXX device families, making migration straightforward for engineers familiar with the PIC architecture. The 'CE624' variant specifically integrates 128 bytes of non-volatile EEPROM data memory that the base PIC16C624 lacks, which is the defining differentiator of the 'CE' series. An OTP (One-Time Programmable) microcontroller is a type of embedded processor whose program memory can be written to once during programming and then becomes read-only, making it well-suited to high-volume, cost-sensitive applications where firmware does not need field updates. Microcontrollers of this class sit within the broader 8-bit MCU taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC16CE624 uses a RISC instruction set with 35 single-word instructions and 133 ns instruction execution time, delivering deterministic performance for timing-sensitive control loops. Integrated peripherals include two analog comparators, a programmable voltage reference, Power-on Reset (POR), Brown-out Detect/Reset (BOD), and a Watchdog Timer (WDT), reducing external component count. The '04' speed grade denotes a 4 MHz maximum oscillator input, and the 'T' suffix indicates Tape and Reel packaging for high-volume SMT assembly. The 'SS' suffix designates the 20-pin SSOP (Shrink Small Outline Package). This combination targets production-line assembly rather than prototype breadboarding, where PDIP or SOIC variants are typically preferred. The combination of small footprint, on-chip EEPROM, and rich analog peripherals makes the PIC16CE624T-04/SS attractive for compact, mixed-signal embedded designs. Typical applications include consumer appliances, automotive body and lighting controllers, sensor signal conditioning, low-cost motor control, and battery-powered instruments where on-chip EEPROM stores calibration constants. Industrial sensor interfaces and remote-control transmitters also benefit from the integrated comparators and WDT, which together enable robust, unattended operation in electrically noisy environments. When designing with this device, plan the firmware carefully before programming because OTP memory cannot be erased or rewritten - any code bug becomes permanent. Reserve 128 bytes of EEPROM for non-volatile data only, not for program variables, and ensure the Brown-out voltage threshold is configured to match your supply rail. Programming requires a Microchip-compatible device programmer that supports the PIC16CE62X series. This page synthesizes distributor stock and pricing, drop-in same-package alternatives, and practical design notes that are not consolidated in any single source including the manufacturer datasheet. Pricing references are stated as of 2026-09-19.

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PIC16CE624T-04E/SS - 4MHz 8-Bit OTP MCU, 1.75KB, 20-SSOP | Microchip
PIC16CE624T-04E/SS

PIC16CE624T-04E/SS - 4MHz 8-Bit OTP MCU, 1.75KB, 20-SSOP | Microchip

The Microchip Technology PIC16CE624T-04E/SS is an 8-bit RISC microcontroller (MCU) from the PIC® 16C family featuring 1.75KB (1K x 14 words) of One-Time Programmable (OTP) program memory, 128 bytes of data EEPROM, and 96 bytes of data RAM. It executes instructions in 200ns at 4MHz and is housed in a 20-pin SSOP package per verified distributor listings. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (ROM/RAM), and programmable I/O peripherals. The PIC® 8-bit MCU family targets cost-sensitive, deterministic, low-power embedded applications; within that hierarchy PIC16CE624 belongs to the PIC16C mid-range core (linear regulator -> MCU -> 8-bit RISC microcontroller -> embedded controller -> semiconductor). It is upwards compatible with the PIC16C5X baseline and PIC12CXXX devices, easing migration for legacy designs. Key differentiating features include 35 single-word instructions with single-cycle execution (200ns at 4MHz, 200ns instruction cycle at 20MHz external clock input), 13 digital I/O pins, integrated analog peripherals (2 comparators with a programmable voltage reference), and system-reset peripherals: power-on reset (POR), brown-out detect/reset (BOD), and a watchdog timer (WDT). The CMOS process keeps quiescent draw low for battery-friendly designs. The 'E' suffix indicates the extended industrial temperature grade per Microchip's part-numbering convention, and 'T' indicates Tape & Reel packaging. Typical applications span appliance control (washing machines, microwave ovens, coffee makers), security and alarm panels, low-end remote controls, sensor signal conditioning using the on-chip comparators, and small motor/solenoid drivers via the 13 GPIO. The 20-SSOP footprint saves PCB area versus the older 18-pin PDIP while retaining pin compatibility with the PIC16C62X family. A practical design tip: since this is an OTP part, firmware must be committed at the time of programming and cannot be field-upgraded. For designs that may need late-stage firmware changes, consider a Flash-based sibling such as the PIC16F62X. Operating supply is 3.0V to 5.5V. This page synthesizes distributor inventory, parametric drop-in alternatives, and practical design notes not found on the manufacturer datasheet cover page, giving engineers a faster path to sourcing and second-source validation.

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PIC16CE624T-04I/SS - 4MHz 8-Bit OTP MCU, 1.75KB | Microchip
PIC16CE624T-04I/SS

PIC16CE624T-04I/SS - 4MHz 8-Bit OTP MCU, 1.75KB | Microchip

The Microchip Technology PIC16CE624T-04I/SS is an 8-bit CMOS OTP-based microcontroller from the PIC16C family, operating at up to 4 MHz with a 200 ns instruction cycle in a 20-pin SSOP package (Tape & Reel). It integrates 1.75 KB (1K x 14) of OTP program memory, 96 bytes of SRAM, 128 bytes of EEPROM data memory, and 13 digital I/O pins, supplied across a 3.0 V to 5.5 V range. What is an OTP microcontroller? An OTP (One-Time Programmable) microcontroller contains non-volatile program memory that can be written exactly once during production or development, after which the bit cells are physically altered and cannot be erased. OTP MCUs offer lower per-unit cost than flash or EEPROM-based equivalents while retaining the same instruction set, making them the preferred choice for high-volume, code-stable embedded products such as consumer appliances and industrial controllers. Key features include two on-chip analog comparators with a programmable voltage reference, brown-out detect (BOD), power-on reset (POR), and a watchdog timer (WDT) for field reliability. The 35 single-word RISC instruction set, 8-level hardware stack, and 133 ns instruction execution time (at 4 MHz) simplify firmware development while the PIC16C5X/PIC12CXXX upward compatibility streamlines migration from older Microchip designs. The device uses a Harvard bus architecture with separate program and data paths, 14-bit wide instruction words, and DC-20 MHz oscillator options. The internal comparator module supports slope-compensation and brown-out generation without external analog components, reducing BOM cost. Industrial temperature grade (-40 C to +85 C) and low-power CMOS construction suit battery-backed and always-on applications. Typical applications include appliance control boards, sensor interface modules, low-cost motor control, white-goods user-interface panels, and industrial sensor signal conditioning where deterministic 8-bit performance and small form factor are required. When designing with this device, ensure the MCLR pin is pulled high through a 10 kohm resistor and that VDD decoupling uses a 0.1 uF ceramic capacitor placed within 5 mm of the supply pin to suppress digital switching noise on the analog comparator reference. This page consolidates distributor inventory, drop-in SSOP-compatible alternatives, and practical design notes beyond the manufacturer datasheet.

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PIC16CE624T-20/SO - 8-Bit 20MHz OTP MCU 1.75KB | Microchip
PIC16CE624T-20/SO

PIC16CE624T-20/SO - 8-Bit 20MHz OTP MCU 1.75KB | Microchip

The Microchip Technology PIC16CE624T-20/SO is an 8-bit CMOS OTP-based microcontroller from the PIC16CE62X family, offering 20 MHz maximum clock input with a 200 ns single-cycle instruction execution time in a surface-mount 18-SOIC (7.50 mm body width) package. It integrates 1.75 KB (1K x 14) of One-Time-Programmable program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory, providing non-volatile storage for system constants and calibration values without external memory. The device is housed in an 18-pin Small Outline IC package with 13 I/O pins, an internal oscillator option, and integrated peripherals including two analog comparators with programmable voltage reference. An OTP 8-bit CMOS MCU (microcontroller) is a single-chip computer that integrates a CPU, non-volatile program memory (one-time-programmable EPROM or flash), working RAM, and peripherals on one silicon die. It belongs to the broader hierarchy of microcontroller -> embedded processor -> semiconductor -> integrated circuit. The "16C" family designation indicates a Mid-Range PIC architecture using a 14-bit instruction word with only 35 single-word instructions, making the PIC16CE624T-20/SO approachable for new firmware developers while remaining upwards compatible with the PIC16C5X and PIC12CXXX device families. Key specifications include a 20 MHz maximum oscillator frequency, 200 ns instruction cycle, 1.75 KB (1K x 14) OTP program memory, 128 bytes of EEPROM data memory, 96 bytes of general-purpose RAM, two on-chip analog comparators with programmable voltage reference, a watchdog timer with its own on-chip RC oscillator, brown-out detect/reset, and power-on reset. The T-suffix denotes tape-and-reel packaging while the SO suffix indicates the 18-SOIC package; the -20 speed grade specifies the 20 MHz maximum clock. The PIC16CE624T-20/SO uses a Harvard architecture with separate program and data buses plus a RISC-style instruction set. Internal RC oscillator options reduce external component count. Brown-out detection, power-on reset, and watchdog timer provide three layers of system reliability, critical for unattended industrial controllers. The 128-byte EEPROM is byte-erasable, supporting field-updatable configuration without UV erasure as required by windowed EPROM parts. Typical applications include industrial control front-ends, low-cost consumer appliances, automotive body electronics, sensor signal conditioning, and battery-powered measurement instruments that benefit from the integrated analog comparators. The 0C to 70C commercial temperature range and 2.0V to 6.0V operating voltage allow use across standard 3.3V and 5V logic rails. The two comparators with programmable voltage reference are particularly useful for threshold detection on analog sensors before digitisation. When designing with this part, note that OTP memory cannot be re-programmed in-circuit, so firmware must be fully validated before commitment. For in-system reprogrammability, consider the Flash-based PIC16F family. The 13 available I/O pins limit complex peripheral expansion, making this part best suited for focused single-function controllers rather than hub-style multi-bus designs. This page synthesizes real-time distributor pricing, drop-in pin-compatible alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing an integrated engineering reference for procurement and design decisions.

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PIC16CE624T-20/SS - 8-bit 20MHz OTP MCU 1.75KB | Microchip
PIC16CE624T-20/SS

PIC16CE624T-20/SS - 8-bit 20MHz OTP MCU 1.75KB | Microchip

The Microchip Technology PIC16CE624T-20/SS is a CMOS OTP-based 8-bit microcontroller from the PIC® 16C family, integrating 1.75KB (1K x 14) of One-Time Programmable program memory, 96 bytes of RAM and 128 bytes of EEPROM data memory, and operating at up to 20MHz with a 200ns instruction cycle. It is housed in a 20-pin SSOP (5.30mm body width) surface-mount package and is rated for the commercial 0C to +70C temperature range. An OTP microcontroller (One-Time Programmable) is a microcontroller whose program memory can be written exactly once after manufacture, making it ideal for cost-sensitive, high-volume production runs where firmware is final and field updates are not required. The PIC16CE624 belongs to the broader PIC16 family of 8-bit RISC microcontrollers, which sits under the larger 8-bit MCU category and the unified microcontroller family in the semiconductor taxonomy. The integrated 128-byte EEPROM provides non-volatile data storage distinct from program memory, supporting parameter retention, calibration data and serial-number storage. Key features include 13 I/O pins, two on-chip analog comparators, a programmable voltage reference, a watchdog timer, and 35 single-word instructions. The device executes instructions in 200ns at 20MHz and supports in-circuit serial programming for factory or production programming of the OTP array. Brown-out reset, power-on reset and a wide 2.5V to 6.0V operating range allow direct operation from 3.3V and 5V rails. Architecturally, the PIC16CE624 uses a Harvard RISC core with separate program and data buses, a 14-bit wide instruction word, and a 14-bit program counter that supports a 1K x 14 program space. The internal oscillator option and programmable reference reduce external component count, while the comparator output can be routed to a timer/counter capture input for simple mixed-signal interfaces. Typical applications include appliance control front panels, security keypads, low-end remote controls, sensor signal conditioning, and other cost-sensitive embedded designs that need EEPROM-backed settings and a small analog front end. The SSOP package makes it suitable for compact PCBs where 18-pin/20-pin DIP footprint upgrades are needed. When designing with the PIC16CE624T-20/SS, note that the OTP memory cannot be reprogrammed, so production-grade firmware and verification must be locked before programming. Industrial designers should consider the -20I or -20E temperature variants if extended range operation is required. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not found on a single datasheet page.

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