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

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

The Microchip Technology PIC16CE624T-20E/SS is an 8-bit CMOS OTP (One-Time Programmable) microcontroller with integrated EEPROM data memory, operating at up to 20MHz clock input, housed in a 20-pin SSOP (Shrink Small Outline Package). It integrates 1.75KB of OTP program memory (organized as 1K x 14 words), 96 bytes of RAM, and 128 bytes of EEPROM data memory. An 8-bit microcontroller (MCU) is a small, self-contained computing system on a single integrated circuit that combines a CPU, RAM, program memory, and peripherals. Within the broader taxonomy, the PIC16CE624 belongs to the 8-bit MCU -> microcontroller -> embedded processor -> semiconductor hierarchy. OTP (One-Time Programmable) variants are programmed once with a device programmer and cannot be erased, making them well-suited to low-cost, high-volume applications where firmware is stable. Key features include a 200ns single-cycle instruction execution (with two-cycle branches), only 35 single-word instructions for easy programming, two on-chip analog comparators, a programmable voltage reference, and 128 bytes of EEPROM for non-volatile user data storage. The PIC16C architecture is upwards compatible with PIC16C5X and PIC12CXXX devices, easing migration from legacy designs. The PIC16CE624 uses a Harvard-architecture RISC core with separate program and data buses, which enables single-cycle instruction execution. Its CMOS static design ensures low power consumption and operation across a wide frequency range. The device includes power-saving SLEEP mode and a watchdog timer for unattended, long-life embedded deployments. Typical applications include appliance controls, security and access systems, automotive subsystems, remote transmitters, low-end analog signal conditioning, and industrial controls. Designers often choose this part when the firmware is finalized, low unit cost matters, and EEPROM data storage is needed alongside program memory. When designing with the PIC16CE624T-20E/SS, ensure your programmer supports the 20-pin SSOP package and the PIC16C OTP algorithm. The wide operating voltage range and low power consumption make it tolerant of battery-powered designs, but OTP programming requires careful firmware validation before final mask release. This page synthesizes distributor pricing, drop-in cross-brand alternatives, and engineering notes that complement the manufacturer datasheet, giving procurement teams and embedded designers a faster path to component selection and lifecycle planning.

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

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

The Microchip Technology PIC16CE624T-20I/SO is an 8-bit PIC microcontroller in a PIC16C-series OTP-based CMOS design, packaged in an 18-pin SOIC (7.50mm body width). It integrates a 20MHz PIC core with 133ns single-cycle instruction execution, 1.75KB (1K x 14) of One-Time Programmable program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory, alongside 13 digital I/O pins, two on-chip analog comparators, a programmable voltage reference, and a brown-out reset plus watchdog timer. A PIC microcontroller (Peripheral Interface Controller) is a compact RISC-style 8-bit microprocessor family originally developed by General Instrument and popularised by Microchip Technology. PIC MCUs integrate CPU core, non-volatile program memory (ROM/EPROM/Flash/OTP), data memory (RAM), EEPROM, timers, ADC, comparators, communication peripherals (UART, SPI, I2C), and interrupt logic into a single chip. Within that taxonomy, the PIC16CE62X family is a cost-optimised 18-/20-pin OTP line with on-chip EEPROM data memory, positioned between baseline 12C/16C5X devices and larger Flash-based PIC16F/PIC18 families. These parts are well suited to legacy designs, low-volume OTP-validated products, and educational platforms. Key features of the PIC16CE624T-20I/SO include operation across a 3.0V to 5.5V supply range, an industrial -40C to +85C temperature grade, low-power CMOS technology, only 35 single-word instructions, and PIC16C5X/PIC12CXXX upward code compatibility. All instructions execute in a single 200ns cycle except branches, which are two-cycle. The 128-byte on-chip EEPROM is byte-erasable and supports long-term data retention, eliminating an external serial EEPROM in many designs. Architecturally, the PIC16CE624 uses Microchip's enhanced mid-range core with a 14-bit instruction word and an 8-bit data path, two comparators with programmable reference, POR and brown-out reset, a WDT, and a 13-bit program counter that supports 8K x 14 of program addressing space. The OTP memory is one-time programmable and uses EPROM cells rather than flash. Typical applications include low-cost appliance controls, battery chargers, simple sensor signal conditioning, LED drivers, security keypads, and consumer electronics. The on-chip comparators and programmable VREF also support power-supply monitoring and threshold-detection circuits. Industrial designers use the PIC16CE624T-20I/SO where code stability, EEPROM data storage, and an industrial temperature rating are required in a small 18-pin SOIC outline. When designing with this part, note that OTP memory cannot be re-programmed in-circuit, so production programming must be done on a programmer before PCB assembly; for in-system reprogrammability consider the flash-based PIC16F684 or PIC16F88 family. Also allow proper decoupling on VDD/VDD2 and route the MCLR/VPP pin per Microchip's in-circuit serial programming (ICSP) recommendations. The PIC16CE624 family is now in NRND/EOL status in some variants; verify long-term supply before new design-in. This page synthesises distributor pricing, drop-in same-package alternatives drawn from the PIC16CE62X family, and practical engineering notes not found in any single datasheet.

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

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

The Microchip Technology PIC16CE624T-20I/SS is an 8-bit CMOS OTP-based microcontroller built on Microchip's powerful PIC architecture, offered in a 20-pin SSOP package with 1.75KB (1K x 14) of program memory, 96 bytes of RAM, 128 bytes of EEPROM data memory, and 13 I/O pins. It executes instructions in 200 ns at a 20 MHz clock input (133 ns typical internal execution) and operates from 2.5V to 5.5V (3.3V/5V nominal). On-chip peripherals include two analog comparators with a programmable voltage reference, one 8-bit timer/counter (TMR0) with 8-bit prescaler, and a Watchdog Timer with its own on-chip RC oscillator. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and integrated peripherals. 8-bit MCUs such as the PIC16 family target cost-sensitive embedded control tasks where deterministic instruction timing, low power, and small package footprint are more important than raw throughput. Within the broader taxonomy, the PIC16CE624 sits at: PIC16CE6XX family -> PIC16C mid-range -> PICmicro 8-bit -> Microchip MCU portfolio. Key differentiating features: 35 single-word instructions, all single-cycle except program branches (two-cycle), in-system serial programming (ICSP) capability, In-Circuit Debugger support, and 128 bytes of EEPROM for non-volatile user data storage. The CMOS OTP program memory supports one-time field programming, making this part ideal for production-volume applications. The device uses a Harvard RISC architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access. The 14-bit instruction word provides single-cycle arithmetic, logic, and bit-manipulation operations across the entire register file, enabling compact C and assembly code. Typical applications include appliance control, security and alarm systems, automotive body electronics, sensor signal conditioning, consumer electronics, and low-power remote sensor nodes. The integrated analog comparators with programmable voltage reference support battery-monitoring and threshold-detection tasks without external components. Design tip: keep VDD decoupling within 5 mm of the VDD pin with a 0.1 uF ceramic capacitor, place the MCLR pull-up within 25 mm, and reserve the ICSP clock/data pads for production programming even on prototypes. This page consolidates distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet alone.

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PIC16CE624T-30/SO - 8-bit OTP MCU, 1.75KB, 30MHz | Microchip
PIC16CE624T-30/SO

PIC16CE624T-30/SO - 8-bit OTP MCU, 1.75KB, 30MHz | Microchip

The Microchip Technology PIC16CE624T-30/SO is an 8-bit CMOS OTP-based microcontroller in the PIC16 family, featuring 1.75KB (1K x 14) of One-Time Programmable program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory, packaged in an 18-pin SOIC (SO) with tape and reel packaging. The "30" speed suffix denotes a 30 MHz maximum clock input, yielding a 133 ns instruction cycle, while the "T" suffix indicates tape-and-reel packaging and the "/SO" designates the 18-pin Small-Outline IC footprint. An 8-bit OTP microcontroller is a single-chip computer built around an 8-bit data path, using one-time-programmable (OTP) EPROM for program storage, which is programmed once and cannot be rewritten. It sits in the broader hierarchy of microcontroller -> embedded controller -> semiconductor IC. Compared to Flash-based MCUs, OTP parts offer lower cost per unit and stronger code security at the expense of in-field re-programmability, making them well suited to high-volume, fixed-function products where firmware rarely changes after production. Key features include 35 single-word instructions (most execute in a single 200 ns instruction cycle, except program branches which take two cycles), two on-chip analog comparators with a programmable voltage reference, a 13-bit instruction word, and 12 I/O pins. The device operates from 3.0V to 5.5V across the industrial -40C to +85C range and includes power-on reset, brown-out detection, a watchdog timer, and an 8-bit timer/counter, providing a compact peripheral set for embedded control. The PIC16CE624T-30/SO is built on Microchip's well-established PIC16 RISC architecture, with separate program and data buses (Harvard architecture) and a deep hardware stack. Pin compatibility with the PIC16C5X and PIC12CXXX families allows design reuse across platforms, and the 35-instruction instruction set provides an easy learning curve for new firmware developers. Typical applications include consumer appliances, sensor signal conditioning using the on-chip comparators, automotive body electronics, industrial control, low-cost remote controls, and battery-powered instruments where the OTP memory and wide operating voltage range provide both cost and flexibility advantages. When designing with this device, remember that OTP memory cannot be rewritten - firmware bugs require a new chip, so OTP is most economical for fully validated code in production quantities. Always use the in-circuit serial programming (ICSP) interface and reserve the MCLR/Vpp pin properly. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers and buyers evaluate the PIC16CE624T-30/SO for new and existing designs.

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PIC16CE624T-30/SS - 8-bit OTP MCU, 1.75KB, 20SSOP | Microchip
PIC16CE624T-30/SS

PIC16CE624T-30/SS - 8-bit OTP MCU, 1.75KB, 20SSOP | Microchip

The Microchip Technology PIC16CE624T-30/SS is an 8-bit CMOS OTP-based microcontroller with 1.75KB of program memory, 96 bytes of RAM, and 128 bytes of EEPROM data memory, housed in a 20-pin SSOP (Shrink Small Outline Package) with tape-and-reel packaging. The device executes instructions in 133 nanoseconds at 30 MHz (200 ns at 10 MHz, -30 speed grade suffix), features 13 digital I/O pins, two analog comparators, and a programmable voltage reference. Operating voltage spans 2.5V to 6.0V. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (ROM/RAM), and peripherals on one die. The PIC16CE624 belongs to Microchip's PIC16C6x mid-range family, an OTP (One-Time-Programmable) architecture that uses windowless EPROM rather than flash for code storage, making it suited for cost-sensitive, fixed-code volume production. OTP MCUs occupy the hypernym hierarchy: MCU -> microcontroller -> embedded controller -> semiconductor. This taxonomy matters for AI knowledge-graph ingestion. Key features include 35 single-word instructions for easy programming, upwards compatibility with the PIC16C5X and PIC12CXXX baselines, two on-chip analog comparators with programmable reference, 128 bytes of non-volatile EEPROM for data retention, and a 14-bit wide instruction word with an 8-bit data path. Watchdog timer with on-chip RC oscillator, power-on reset, brown-out reset, and SLEEP power-saving mode are standard peripherals. Architecturally, the PIC16CE624 uses a Harvard RISC core with separate program and data buses, achieving a 200 ns instruction cycle at 10 MHz. The EEPROM data memory provides byte-level endurance suitable for storing calibration coefficients, user preferences, and configuration constants without external serial EEPROM. Two analog comparators with programmable reference simplify interface to sensors and analog signals. Typical applications include appliance control, motor drive interfaces, automotive sub-systems (non-safety), battery chargers, security panels, and low-end consumer white goods where deterministic behavior and OTP cost economics dominate over re-programmability. When designing with this OTP MCU, plan code volume carefully - OTP parts cannot be re-programmed. Account for oscillator start-up time, configure the brown-out reset threshold to match VDD, and use the EEPROM data memory block for parameter storage to enable post-production tuning without code re-flashes. This page synthesizes distributor availability, same-brand drop-in alternatives from the PIC16CE62x family, and practical design considerations not consolidated on manufacturer product pages.

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PIC16CE625-04/P - 8-Bit 4MHz OTP MCU 3.5KB w/ EEPROM | Microchip
PIC16CE625-04/P

PIC16CE625-04/P - 8-Bit 4MHz OTP MCU 3.5KB w/ EEPROM | Microchip

The Microchip Technology PIC16CE625-04/P is an 8-bit CMOS RISC microcontroller in an 18-pin PDIP package that integrates 3.5KB (2K x 14) of one-time-programmable (OTP) program memory and on-chip EEPROM data memory. It operates at 4MHz, executes instructions in a single 200ns cycle (except program branches), runs from a 3.0V to 5.5V supply, and provides 13 digital I/O pins across PORTA (5) and PORTB (8). A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program + RAM + sometimes EEPROM), and configurable peripherals on one die. Within the broader semiconductor taxonomy, the PIC16CE625 sits inside the 8-bit microcontroller category, which itself belongs to the embedded computing family. The 'CE' suffix denotes the EEPROM-equipped variant of the PIC16C62X mid-range family, giving designers non-volatile byte-storage alongside the OTP program array for configuration constants, calibration tables, or run-time serial numbers. Key features include 35 single-word instructions, 128 bytes of RAM, an internal 4MHz RC oscillator, a 16-bit timer/counter (TMR1) with its own external clock input, an 8-bit timer (TMR0), a watchdog timer with its own on-chip RC oscillator, a 5-channel 8-bit analog-to-digital converter (ADC), and a programmable brown-out reset (BOR) circuit. The 4MHz instruction execution delivers deterministic real-time response for control loops. The PIC16CE625 uses Microchip's classic Harvard RISC architecture, where program and data buses are physically separate, allowing instruction fetch and operand read to occur in the same cycle. The on-chip EEPROM (128 bytes typical for this family) is byte-erasable and rated for high endurance, accessible via special function registers, eliminating an external serial EEPROM on many designs. Typical applications include consumer appliance controllers, sensor signal conditioning front-ends, security and access control panels, battery chargers, small-form-factor motor drivers, and low-cost industrial automation modules. The internal oscillator and on-chip ADC remove most external components, enabling compact single-layer PCB layouts. A key design consideration is OTP program memory: once programmed, the code is permanent and cannot be field-updated. For prototype runs or code-rotation designs, choose the PIC16F62X Flash variant instead. This page consolidates distributor pricing, cross-referenced drop-in alternatives in the same 18-pin PDIP footprint, and practical design notes drawn from Microchip documentation and the PIC16C62X datasheet family.

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PIC16CE625-04/SO - 8-Bit 4MHz OTP MCU 3.5KB | Microchip
PIC16CE625-04/SO

PIC16CE625-04/SO - 8-Bit 4MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16CE625-04/SO is an 8-bit CMOS microcontroller from the PIC16C family, featuring 3.5KB (2K x 14) One-Time-Programmable (OTP) program memory, 128 bytes of EEPROM data memory, and 128 bytes of SRAM in an 18-pin SOIC package. Operating at 4MHz with a 200ns instruction cycle, the device integrates 13 general-purpose digital I/O pins, a watchdog timer, power-on reset, brown-out detect/reset, and runs from a 3.0V to 5.5V single supply. The "-04" speed grade suffix denotes the 4MHz maximum oscillator input. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory (RAM), and configurable peripheral I/O. MCUs are categorized by data bus width (8-bit, 16-bit, 32-bit), instruction architecture (CISC vs RISC), and memory technology (Flash, OTP, ROM, EEPROM). The PIC16C family uses a 14-bit-wide RISC instruction set optimized for low-cost, deterministic embedded control. Key features include 35 single-word instructions, single-cycle execution except for program branches (two-cycle), an external oscillator interface, and CMOS technology for low-power operation. The OTP program memory is one-time programmable, making the part ideal for production volumes where firmware is finalized and code-update is not required. Integrated EEPROM data memory allows non-volatile storage of calibration constants, configuration data, or user settings that survive power cycles. The PIC16CE625-04/SO uses a Harvard architecture with separate program and data buses, a 13-bit program counter capable of addressing 8K x 14 of program memory, and an 8-level deep hardware stack. The CMOS process combined with PIC's RISC design yields predictable timing and low standby current. Peripherals include one 8-bit timer/counter (Timer0) with an 8-bit prescaler, a Watchdog Timer with its own on-chip RC oscillator for reliable operation, and programmable code protection. Typical applications include appliance control, sensor signal conditioning front-ends, simple user-interface controllers, battery chargers, low-cost consumer electronics, and industrial control subsystems where mature 8-bit processing and EEPROM-backed parameter storage are required. When designing with the PIC16CE625-04/SO, note that OTP memory cannot be re-programmed; for development, use a windowed ceramic package variant (PIC16CE625-04/JW) or migrate to the flash-based PIC16F628A for prototype work, then transition to OTP for cost-optimized production runs. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes that complement - but do not replace - the manufacturer datasheet.

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PIC16CE625-04/SS - 4MHz 8-Bit OTP MCU 3.5KB | Microchip
PIC16CE625-04/SS

PIC16CE625-04/SS - 4MHz 8-Bit OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16CE625-04/SS is an 8-bit RISC CMOS microcontroller with 3.5KB (2K x 14) one-time programmable (OTP) program memory and integrated EEPROM data memory, delivered in a 20-pin SSOP package with 0.65mm pitch. The '-04' speed suffix indicates a 4 MHz maximum clock input, while the '/SS' suffix designates the SSOP-20 surface-mount package. It operates from a 3.0V to 5.5V supply and ships with 128 bytes of data RAM and 13 I/O pins. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, memory, and peripherals into a single IC. Within the PICmicro family hierarchy, the PIC16CE625 belongs to the mid-range PIC16 sub-family, which sits between baseline PIC10/12/14 devices and high-performance PIC17/18 devices. As a member of the PICmicro family, it executes most instructions in a single 200 ns cycle (at 20 MHz) and supports 14-bit wide instruction words. Mid-range PIC16 MCUs are typically deployed in embedded-control applications that need deterministic timing, low power, and robust I/O at the lowest possible cost. Key features include 35 single-cycle instructions (program branches are two-cycle), 8-bit timer/counter with 8-bit prescaler, 13 digital I/O pins capable of sinking up to 25 mA, internal pull-up resistors on PORTB, and 128 bytes of non-volatile EEPROM data memory that survives power cycles. The wide operating voltage range (3.0 V to 5.5 V) supports both 3.3 V and 5 V designs without level translation, and the CMOS design keeps quiescent current under 2 mA in active mode and below 1 uA in SLEEP. Architecturally, the PIC16CE625 uses a Harvard-class modified RISC core with separate program and data buses. The 14-bit instruction width gives the device a more capable addressing model than baseline PIC parts while retaining code compatibility with the broader PIC16 mid-range toolchain (MPLAB IDE, MPASM assembler, PICkit programmers). The integrated 128-byte EEPROM is byte-erasable and is rated for >1M erase/write cycles, distinguishing the CE6xx family from the OTP-only C6xx parts. Typical applications include consumer appliance control, sensor-interface modules, automotive interior subsystems (non-safety), low-cost security keypads, battery-powered instrumentation, and general-purpose logic-replacement designs. Its combination of OTP program memory, on-chip EEPROM data memory, and low pin count makes it a strong fit when recurring firmware updates are not required and BOM cost is critical. When designing with the PIC16CE625-04/SS, ensure the oscillator configuration is selected correctly for the chosen clock source (XT, LP, RC, or HS) and that the MCLR pull-up is present in resistor-capacitor reset configurations. Because the program memory is OTP, code must be fully validated before final programming; for in-field updatable designs, choose the PIC16F or PIC16LF family with Flash memory instead. This page combines manufacturer-verified specifications, current distributor pricing, and a parametric drop-in alternatives matrix curated specifically for the SSOP-20 footprint - information that is not consolidated in any single source document.

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PIC16CE625-04E/P - 8-bit OTP MCU 3.5KB | Microchip
PIC16CE625-04E/P

PIC16CE625-04E/P - 8-bit OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16CE625-04E/P is an 8-bit CMOS RISC microcontroller based on the PIC16C architecture with 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory and integrated EEPROM data memory, housed in an 18-pin PDIP (0.300 inch / 7.62 mm) through-hole package. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripherals onto one die. The PIC16C/PIC16CE family belongs to the broader hierarchy: 8-bit microcontroller -> RISC microcontroller -> embedded controller -> semiconductor IC. MCUs are the computational core of nearly every embedded product, and the PIC16CE62X sub-family specifically targets cost-sensitive applications that need a small OTP code footprint plus on-chip EEPROM for parameter storage. Key features of the PIC16CE625-04E/P include 128 bytes of data RAM, 13 general-purpose digital I/O pins, a maximum clock speed of 4 MHz (200 ns instruction cycle), an enhanced 8-bit timer/counter (Timer0/Timer1), an analog comparator with two inputs, internal/external interrupt sources, and a Watchdog Timer (WDT) for safe recovery from firmware faults. Power management is handled by Brown-out Detect/Reset (BOD), Power-On Reset (POR), and a programmable code-protection bit, all critical for unattended industrial or appliance designs. Technically, the device executes 35 single-word instructions at 200 ns per instruction (except program branches, which take two cycles). The OTP program memory is organized as 2K x 14 bits (3.5KB), suitable for compact state machines and sensor interface firmware. The integrated EEPROM data memory provides non-volatile parameter storage, eliminating external EEPROM chips in many designs. Operating voltage spans 3.0 V to 5.5 V, making the part compatible with both 3.3 V and 5 V logic rails. Typical applications include white-goods and appliance control boards, security-system keypads and sensors, low-end remote controls, automotive interior sub-modules (under-the-dash comfort modules, lighting controllers), and industrial counter/timer boards. The PIC16CE625-04E/P is also widely used as a drop-in upgrade for legacy PIC16C620/621 designs where EEPROM storage and the analog comparator are required. When designing with this part, allocate one I/O line for the MCLR/VPP reset function and ensure the 4 MHz oscillator is paired with the recommended 22 pF ceramic or 33 pF crystal load capacitors; deviations beyond 20% will degrade frequency stability at temperature extremes. This page synthesizes current distributor pricing, drop-in same-package alternatives from both Microchip and competitor brands, and practical design notes that go beyond the manufacturer datasheet to support procurement and design engineers.

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PIC16CE625-04E/SO - 4MHz 8-bit MCU, 3.5KB OTP, 128B RAM | Microchip
PIC16CE625-04E/SO

PIC16CE625-04E/SO - 4MHz 8-bit MCU, 3.5KB OTP, 128B RAM | Microchip

The Microchip PIC16CE625-04E/SO is an 8-bit CMOS RISC microcontroller built on Microchip's PIC16C OTP architecture with integrated 128-byte EEPROM data memory, delivering 4 MIPS performance from a 4 MHz internal/external clock and packaged in an 18-pin SOIC (300 mil). It provides 3.5 KB (2K x 14) of OTP program memory, 128 bytes of RAM, and 13 general-purpose digital I/O pins organized across PORTA (5-bit) and PORTB (8-bit), with a 20-pin variant adding PORTC. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral I/O into one device; an 8-bit MCU like the PIC16CE625 processes data in 8-bit chunks and is widely used in cost-sensitive embedded designs. Within the PIC16 family hierarchy, the CE62x sub-family is positioned as a low-cost EPROM/OTP member with on-chip EEPROM, sitting between the PIC16F flash parts and the JW windowed erasable variants. The PIC16CE625 specifically targets applications needing field-programmable, one-time-programmable parts with non-volatile data storage. Key features include 35 single-word instructions, all single-cycle except program branches (200 ns at 20 MHz), a 14-bit instruction word, an 8-level hardware stack, two 8-bit timer/counters (Timer0, Timer2), one 16-bit timer/counter (Timer1), a 10-bit multi-channel ADC, an internal voltage reference, and a brown-out reset (BOR) circuit. The 'CE' suffix indicates integrated EEPROM (128 bytes), distinguishing it from the 'C' and 'F' siblings. The architecture uses a Harvard RISC design with separate program and data buses, plus an internal RC oscillator option that eliminates external clock components in low-cost designs. The wide 3.0V to 5.5V operating range and -40C to +125C extended temperature grade ('E' suffix) suit automotive and industrial environments. Typical applications include automotive sensor conditioning (with on-chip ADC + EEPROM storing calibration constants), industrial process-control loops, appliance control boards, security/PIR alarm panels, low-end motor drives, and remote-control transmitters where the integrated EEPROM retains user settings after power loss. Designers should use Microchip's MPLAB XC8 compiler and either an ICD debugger or PICSTART+ programmer for development. The 18-pin SOIC footprint supports hand-soldering and rework, unlike smaller QFN packages, simplifying prototyping. This page synthesizes distributor pricing, drop-in replacement guidance, and practical design considerations not duplicated in the manufacturer datasheet, supporting faster BOM decisions and supply-chain risk mitigation.

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