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PIC16CE625-04I/SO - 8-Bit 4MHz OTP MCU with EEPROM | Microchip
PIC16CE625-04I/SO

PIC16CE625-04I/SO - 8-Bit 4MHz OTP MCU with EEPROM | Microchip

The Microchip Technology PIC16CE625-04I/SO is an 18-pin, 8-bit, OTP (One-Time-Programmable) CMOS microcontroller from the PIC16CE62X family, integrating 128 bytes of EEPROM data memory alongside the program memory. It runs at a 4 MHz oscillator input (200 ns instruction cycle), delivers 3.5 KB (2K x 14) of OTP program memory, and exposes 13 digital I/O pins in an 18-SOIC package. The 'I' suffix designates the industrial temperature grade (-40C to +85C), and the '04' indicates the 4 MHz maximum clock. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that combines a CPU, RAM, program memory, and peripherals on a single die. The PIC16CE62X family belongs to the broader taxonomy: microcontroller -> embedded controller -> semiconductor device. These MCUs are widely used as glue logic, sensor interfaces, and low-cost control processors where deterministic instruction timing and minimal external components are valued. The on-chip EEPROM distinguishes the 'CE' variants from the baseline 'C' parts by providing non-volatile byte-programmable storage for user data and calibration constants. Key features of the PIC16CE625-04I/SO include 128 bytes of RAM, a 35-instruction RISC-like instruction set, single-cycle execution (except branches which take two cycles), an integrated watchdog timer, an 8-bit timer/counter, and an analog comparator. The device operates from 3.0 V to 5.5 V supply, supports in-circuit serial programming (ICSP) via the RB6/RB7 pins, and provides a power-on reset with brown-out detection options depending on the configuration. Architecturally, the PIC16CE625 uses a Harvard-style design with separate program and data buses, which allows instruction fetch and operand access to occur in the same clock cycle. The 14-bit instruction word packs an opcode plus literal/address data, giving better code density than 8-bit CISC alternatives. The 128-byte EEPROM is byte-erasable and rated for >1M erase/write cycles, far exceeding typical Flash endurance. Typical applications for the PIC16CE625-04I/SO include consumer appliance controls, simple sensor interfaces, LED driver controllers, automotive body electronics (using the 'I' industrial grade), and battery-powered instrumentation. The wide 3.0 V to 5.5 V supply range also suits 4-cell battery packs and regulated 5 V rails. When designing with this OTP part, remember that program memory is one-time programmable - firmware bugs cannot be patched. Provision a Flash-based PIC16F alternative for prototyping and only commit to the OTP CE variant for volume production where the cost savings justify the lack of field re-programmability. This page synthesizes distributor pricing from Heisener, LCSC, DigiKey, and Mouser, drop-in alternatives within the PIC16CE62X family, and practical design notes not found in the bare manufacturer datasheet.

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

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

The Microchip Technology PIC16CE625-04I/SS is an 8-bit OTP-based CMOS microcontroller from the PIC16CE62X family, featuring 3.5KB (2K x 14) of OTP program memory, 128 bytes of RAM, and integrated EEPROM data memory, all housed in a 20-pin SSOP package. Operating from a 3V to 5.5V supply and executing instructions at 4MHz (200ns per instruction cycle), it delivers the classic PIC16C RISC performance envelope in a compact surface-mount footprint. The PIC16CE62X family belongs to the 8-bit microcontroller (MCU) category, which sits hierarchically under: 8-bit MCU -> RISC microcontroller -> embedded controller -> semiconductor IC. The PIC architecture uses a Harvard design with separate program and data buses, only 35 single-word instructions, and a 14-bit wide instruction word. Most instructions execute in a single 200ns cycle, making the core well-suited for deterministic embedded control loops that demand predictable timing. Key specifications include a maximum clock input of 20 MHz, two 8-bit timers (Timer0, Timer2) plus one 16-bit timer (Timer1), a 10-bit resolution Analog-to-Digital Converter (ADC) channel block on related variants, an internal watchdog timer, and 13 digital I/O pins with programmable direction registers. The 'CE' suffix denotes on-chip EEPROM data memory for non-volatile parameter storage. Brown-out reset, power-on reset, and in-circuit serial programming (ICSP) are integrated. Architecturally, the PIC16CE625-04I/SS is built on Microchip's standard enhanced PIC16C core with 14-bit instruction width, an 8-level hardware stack, and interrupt-driven peripherals. The '04' speed suffix indicates 4MHz operation, and the 'I' suffix denotes the industrial temperature grade (-40C to +85C). The part is offered in the 5.30mm body 20-SSOP package with gull-wing leads for surface-mount assembly. Typical applications include appliance control, sensor signal conditioning, low-cost embedded control boards, intelligent sensor nodes, small consumer devices, and replacement of OTP-based PIC16C designs. The integrated EEPROM makes it a strong fit for designs that must store calibration constants, user settings, or run-time counters without external memory. A key design consideration: because this part is OTP (One-Time-Programmable), firmware must be fully verified before programming - there is no field re-programmability. For prototyping, evaluate PIC16F62X flash-based siblings on the same pinout before committing to production. This page synthesizes distributor pricing, pin-compatible same-package alternatives, and practical design guidance not found in the standalone manufacturer datasheet, supporting faster sourcing and engineering decisions.

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PIC16CE625-20/P - 8-bit 20MHz 3.5KB OTP MCU 18-PDIP | Microchip
PIC16CE625-20/P

PIC16CE625-20/P - 8-bit 20MHz 3.5KB OTP MCU 18-PDIP | Microchip

The Microchip Technology PIC16CE625-20/P is an 8-bit CMOS OTP-based microcontroller belonging to the PIC16C mid-range family, integrating 3.5KB (2K x 14) of one-time-programmable program memory, 128 bytes of RAM, and 128 bytes of non-volatile EEPROM data memory into an 18-pin PDIP through-hole package. It executes instructions in a single 200 ns cycle (200 ns instruction cycle at 20 MHz clock input, equivalent to 5 million instructions per second), with only 35 single-word instructions to learn, easing firmware development for embedded designers. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/OTP/Flash), data memory (RAM), and peripherals on one die; OTP-based variants are programmed once at production and cannot be re-written, making them cost-optimized for high-volume mature products. The PIC16CE625-20/P belongs to the mid-range PICmicro architecture family, which sits below PIC18 in performance but above baseline PIC10/12/14 devices in peripheral integration. EEPROM data memory provides non-volatile byte-level storage separate from program memory, allowing user parameters to persist across power cycles without external NVRAM. Key features include 13 digital I/O pins, two analog comparators with programmable on-chip voltage reference, a capture/compare/PWM (CCP) module, an 8-bit timer/counter (TMR0) with 8-bit prescaler, a 16-bit timer/counter (TMR1), and a Watchdog Timer with its own on-chip RC oscillator for reliable operation. Brown-out Reset and Power-on Reset provide robust power supervision, while the wide 2.5V to 5.5V operating range covers both 3.3V and 5V system rails. Typical applications for the PIC16CE625-20/P span consumer appliances, simple motor control, sensor signal conditioning, battery chargers, and remote-control transmitters where low cost, deterministic instruction execution, and small code footprint matter more than raw computational throughput. When designing with this device, ensure the supply decoupling capacitor is placed within 5 mm of the VDD pin and that MCLR is tied through a 10 kohm pull-up to VDD for proper reset behavior. This page synthesizes distributor pricing, drop-in PIC16CE62X family alternatives, and practical design notes that complement the manufacturer datasheet and simplify part selection for cost-sensitive embedded designs.

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PIC16CE625-20/SS - 20MHz 8-bit MCU with EEPROM, 20-SSOP | Microchip
PIC16CE625-20/SS

PIC16CE625-20/SS - 20MHz 8-bit MCU with EEPROM, 20-SSOP | Microchip

The Microchip PIC16CE625-20/SS is an 8-bit CMOS OTP microcontroller with integrated EEPROM data memory, a member of the PIC16CE62X family. It operates at a maximum clock speed of 20 MHz, executes instructions in a single 200 ns cycle, and is housed in a 20-pin SSOP (Shrink Small Outline Package). The device features 3.5 KB of OTP program memory, 128 bytes of RAM, and 128 bytes of EEPROM data memory with 13 digital I/O pins. An 8-bit microcontroller is a single-chip computer that integrates a CPU, RAM, program memory, and I/O peripherals. PIC microcontrollers belong to the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The 'CE' suffix in the part number denotes on-chip EEPROM data memory, distinguishing the PIC16CE625 from PIC16C625 (ROMless data) and PIC16F variants (Flash-based). This makes the PIC16CE625 well suited for designs that need byte-erasable non-volatile storage without the cost of Flash or external EEPROM. Key features include a 35-instruction RISC architecture, 8-level hardware stack, 4 oscillator modes (RC, LP, XT, HS), and an internal 4 MHz RC oscillator with programmable calibration. The device integrates a Watchdog Timer with its own on-chip RC oscillator, Power-on Reset, Brown-out Detection, and an 8-bit Timer0 with programmable prescaler. It supports in-circuit serial programming (ICSP) via two pins, allowing firmware updates after PCB assembly. Typical applications include consumer appliances, automotive body controllers, industrial sensors, remote controls, and low-cost embedded nodes. The wide 3.0-5.5V supply range allows direct operation from a 4.5V battery pack or a regulated 5V rail. Compared with Flash-based PIC16F1xxx, the PIC16CE625 offers lower per-unit cost and a smaller die because OTP memory is denser than Flash. When designing with this device, plan for OTP-only program memory - firmware must be perfect before mask/OTP commitment, and field updates require OTP-windowed parts (PIC16CE625JW) or a different family. Use MPLAB IDE and a PICSTART Plus, MPLAB PM3, or ICD programmer for development. Decouple VDD with 100 nF close to the pin and place the crystal/oscillator within 1 cm of OSC1/OSC2.

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PIC16CE625-20E/P - 8-Bit 20MHz OTP MCU, 3.5KB, DIP-18 | Microchip
PIC16CE625-20E/P

PIC16CE625-20E/P - 8-Bit 20MHz OTP MCU, 3.5KB, DIP-18 | Microchip

The Microchip Technology PIC16CE625-20E/P is an 8-bit RISC microcontroller from the PIC16C family, featuring 20 MHz maximum clock speed, 3.5 KB (2K x 14) of One-Time Programmable (OTP) program memory, and 128 bytes of integrated EEPROM data memory, housed in a 18-pin PDIP (DIP-18) through-hole package. The "E" suffix denotes the extended industrial temperature grade (-40C to +125C), and the "20" indicates the 20 MHz maximum clock rate. The PIC16CE625 belongs to the PIC16CE62X subfamily of CMOS, fully-static 8-bit microcontrollers with on-chip EEPROM data memory. The PIC (Peripheral Interface Controller) architecture pioneered by Microchip is a Harvard-architecture RISC design in which program and data memories occupy separate address spaces, enabling single-cycle instruction execution (200 ns at 20 MHz) for all instructions except program branches. The architecture sits in the broader microcontroller hierarchy: microcontroller -> RISC MCU -> 8-bit MCU -> embedded controller -> semiconductor IC. The on-chip EEPROM provides non-volatile data storage without external serial EEPROM, simplifying BOM for parameter storage. Key features of this part include a 13-bit instruction word, 35 single-word instructions, 8-level hardware stack, 13 I/O pins with individual direction control, an 8-bit timer/counter (TMR0) with 8-bit programmable prescaler, a Watchdog Timer with independent on-chip RC oscillator, and Power-on Reset (POR) / Brown-out Reset (BOR) circuitry. The part accepts an internal or external clock source and integrates a 4 MHz internal RC oscillator option. Supply voltage operates from 3.0 V to 5.5 V, making it compatible with both 3.3 V and 5 V rails. The PIC16CE625-20E/P uses Microchip's OTP EPROM process for program memory, which is one-time programmable but cost-effective for low- to mid-volume production. Its CMOS design draws microamp-level currents in sleep mode. Compared to PIC16F equivalents, this OTP variant suits designs where firmware is finalized and code protection is desired - once programmed, the code cannot be read back. Typical applications include industrial control and instrumentation, automotive body electronics, sensor interface nodes, low-power remote sensor nodes, HVAC damper/valve controllers, and simple appliance controllers where the integrated EEPROM stores calibration constants or user settings. When designing with this part, note the PDIP-18 package suits through-hole prototypes and legacy designs; for new designs consider the surface-mount PIC16F630-I/P or PIC16F676-I/P flash equivalents. The internal RC oscillator eliminates external components but trades absolute frequency accuracy. Verify Vdd rise time meets POR requirements at cold-start. This page synthesizes current distributor pricing, drop-in Microchip alternatives from the same PIC16CE62X family, and practical design notes not consolidated on any single manufacturer page.

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PIC16CE625-20E/SS - 3.5KB OTP 8-Bit MCU 20MHz SSOP | Microchip
PIC16CE625-20E/SS

PIC16CE625-20E/SS - 3.5KB OTP 8-Bit MCU 20MHz SSOP | Microchip

The Microchip PIC16CE625-20E/SS is an 8-bit CMOS RISC microcontroller with 3.5KB (2K x 14) One-Time-Programmable (OTP) program memory, 128 bytes RAM, and integrated 128-byte EEPROM data memory, operating at up to 20 MHz in a 20-pin SSOP (5.30 mm) package. It is a member of the PIC16CE62X family of 18- and 20-pin EPROM-based microcontrollers. A microcontroller is a single-chip computer that integrates a CPU, memory (program + data), and peripherals (timers, I/O, ADC, communication blocks) onto one IC, designed for embedded control tasks in appliances, automotive sub-systems, industrial equipment, and consumer devices. Within the broader taxonomy, the PIC16CE625 sits in the 8-bit MCU class under microcontroller ICs, with the PIC16C core architecture as its lineage. Key features include 13 digital I/O pins, a 20 MHz maximum clock (200 ns instruction cycle except branches which are 2-cycle), 35 single-cycle instructions, an internal/external interrupt source, and a watchdog timer. Power supply operates from 3.0V to 5.5V. The 'E' suffix indicates the Extended industrial temperature range of -40C to +125C, and the 'SS' suffix denotes the 20-pin SSOP package. The PIC16CE625 uses a Harvard architecture with separate program and data buses, enabling single-cycle instruction fetch. The integrated EEPROM provides non-volatile data storage without external memory chips, which is useful for storing calibration constants, user preferences, and runtime parameters. The 8-bit core is RISC-based with only 35 instructions, simplifying code development and easing time-to-market for low-cost embedded products. Typical applications include appliance controls, security and alarm systems, automotive body electronics, sensor signal conditioning, low-power remote controls, and small industrial timers. Designers choose this MCU when they need an inexpensive 8-bit core with EEPROM data retention and a small 20-pin SSOP footprint. When designing with this device, ensure the supply voltage remains within 3.0V to 5.5V and that the oscillator configuration matches the system clock. The internal EEPROM supports up to 1M erase/write cycles per the Microchip datasheet, making it suitable for frequently-updated parameter storage. The extended temperature grade requires derating of supply current above 85C. This page consolidates distributor pricing, drop-in SSOP alternatives from the same PIC16CE62X family, and practical design notes not found in the manufacturer datasheet alone.

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PIC16CE625-20I/P - 8-Bit OTP MCU, 3.5KB, EEPROM, 18-PDIP | Microchip
PIC16CE625-20I/P

PIC16CE625-20I/P - 8-Bit OTP MCU, 3.5KB, EEPROM, 18-PDIP | Microchip

The Microchip Technology PIC16CE625-20I/P is an 8-bit CMOS RISC microcontroller with 3.5KB (2K x 14) OTP program memory, 128 bytes of EEPROM data memory, and 13 digital I/O pins, packaged in an 18-pin PDIP through-hole format. It operates at up to 20 MHz clock input, delivering 200 ns single-cycle instruction execution and 133 ns instruction time during pipelined operation, with only 35 single-word instructions to learn. The device belongs to the PIC16C family of EPROM/OTP-based microcontrollers with on-chip EEPROM data memory, designed for cost-sensitive embedded applications. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data RAM, I/O peripherals, and timers on one IC. Within the broader taxonomy, an MCU falls under microcontrollers -> integrated circuits -> semiconductors. The PIC architecture is a Harvard RISC design with separate program and data memory buses, allowing simultaneous instruction fetch and data access, which is why PIC instructions complete in one cycle (except program branches, which take two). This category of MCU is widely used in appliance control, sensor interfacing, and simple motor/timing applications where deterministic instruction timing and low BOM cost matter more than raw computational throughput. Key features of the PIC16CE625-20I/P include a 20 MHz maximum clock, 3.5KB OTP program memory (2K x 14 words), 128 bytes of EEPROM data memory, 128 bytes of SRAM data memory, 13 digital I/O pins, and a wide operating voltage range suitable for 3V to 5.5V systems. The device integrates an 8-bit timer/counter with prescaler, a watchdog timer with on-chip RC oscillator for reliable operation, and an internal 4 MHz RC oscillator that can reduce external component count. The PIC16CE62X family supports in-circuit serial programming via two pins, enabling firmware updates after PCB assembly. The PIC16CE625-20I/P architecture uses a 14-bit instruction word optimized for compact code density. Its RISC core executes most instructions in a single 200 ns cycle at 20 MHz, simplifying real-time control loops. The integrated EEPROM provides non-volatile data storage (128 bytes, typically 1M erase/write cycles) for configuration parameters, calibration values, and usage counters that survive power cycles without external storage. The 13 I/O pins can source/sink up to 25 mA per pin, sufficient to drive LEDs, relays, and small solenoids directly. Typical applications include industrial control and sensor conditioning, HVAC thermostat controllers, low-end consumer appliance control (coffee makers, washing machines), automotive interior lighting and accessory controllers, security and access control keypads, and battery-powered instrumentation with EEPROM-backed settings. The wide 3V-5.5V operating range also makes the part suitable for 4xAA battery-powered toys and remote controls. When designing with this device, note that the PIC16CE625 uses one-time programmable (OTP) program memory: code cannot be erased or rewritten. Engineers developing with this part typically prototype with the windowed CERDIP -04/JW variant, then move to the OTP -20I/P for production. For new designs, Microchip recommends the flash-based PIC16F630-I/P as the modern equivalent with identical pinout and peripheral set. This page synthesizes distributor pricing, drop-in alternatives drawn from the verified PIC16CE62X cross-reference data, and practical design notes not found in the standalone manufacturer datasheet.

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PIC16CE625-20I/SS - 8-bit OTP MCU, 20MHz, 3.5KB | Microchip
PIC16CE625-20I/SS

PIC16CE625-20I/SS - 8-bit OTP MCU, 20MHz, 3.5KB | Microchip

The Microchip Technology PIC16CE625-20I/SS is an 8-bit CMOS OTP-based microcontroller belonging to the PIC16CE62X family, delivering 20 MHz (200 ns instruction cycle) processing performance with 3.5 KB (2K x 14) of one-time-programmable program memory and 128 bytes of RAM, housed in a 20-pin SSOP package. The device integrates an internal EEPROM data memory of 128 bytes, an analog comparator, and 13 digital I/O pins, targeting cost-sensitive embedded control designs. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory, and peripherals such as timers, comparators, and I/O. OTP (One-Time-Programmable) MCUs use EPROM-based program memory that is permanently written once during production programming, providing low unit cost at moderate volumes compared to flash-based devices. The PIC16CE62X family belongs to the PICmicro family of fully-static, RISC-architecture microcontrollers and sits within Microchip's legacy mid-range (14-bit instruction) MCU portfolio, sharing the same instruction set with PIC16F and PIC16C cousins. Key features include 35 single-word instructions (all single-cycle except program branches which take two cycles), an operating voltage range of 3.0V to 5.5V, and an industrial temperature range of -40C to +85C (denoted by the 'I' suffix). The device offers a programmable code-protection feature, a watchdog timer with its own on-chip RC oscillator, power-saving sleep mode, in-circuit serial programming (ICSP), and an internal 4 MHz RC oscillator for flexible clocking. Architecturally, the PIC16CE625 uses a Harvard-style RISC core with separate program and data buses, a 14-bit instruction word, and a hardware stack for subroutine handling. Peripherals include one 8-bit timer (TMR0) with an 8-bit prescaler, a 16-bit timer/counter (TMR1) on larger family members, an analog comparator with programmable reference, and a synchronous/asynchronous serial port (SSP) on selected variants. The integrated 128-byte EEPROM provides non-volatile data storage for user parameters, calibration values, or runtime settings that survive power cycles. Typical applications include industrial control systems, low-power IoT edge nodes, embedded automation, motor control (BLDC and stepper drivers), metering (utility, energy, flow), low-power remote sensor boards, and consumer appliance control. The wide operating voltage and industrial temperature grade also suit battery-powered or harsh-environment designs. When designing with this device, allocate sufficient program memory headroom for application growth (the 2K x 14 OTP memory cannot be expanded after programming). External decoupling (100 nF + 10 uF) near VDD/VDD2 pins is mandatory to suppress digital switching noise from disturbing the analog comparator reference. Use the MCLR pull-up and ICSP lines correctly to ensure in-system programming works in production. This page synthesizes distributor pricing, drop-in compatible PIC16CE62X family alternates, and practical design notes not found on a single distributor listing.

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PIC16CE625-30/P - 3.5KB OTP 8-bit MCU, EEPROM | Microchip
PIC16CE625-30/P

PIC16CE625-30/P - 3.5KB OTP 8-bit MCU, EEPROM | Microchip

The Microchip PIC16CE625-30/P is an EPROM-based, 8-bit CMOS microcontroller belonging to the PIC16CExxx family, offered in a through-hole 18-pin PDIP package. The '-30' suffix denotes a 30 MHz maximum clock input (200 ns instruction cycle) while the '/P' suffix denotes the PDIP package. According to the Microchip datasheet, the device integrates a 35-instruction RISC core, 3.5 KB of one-time-programmable (OTP) program memory, 128 bytes of RAM, and 128 bytes of non-volatile EEPROM data memory. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and programmable peripherals into one IC. Within the broader taxonomy, the PIC16CE625 is a RISC microcontroller, sitting inside the 8-bit MCU class, which itself belongs to embedded microcontrollers, then to microprocessors and microcontrollers, and finally to the integrated-circuit / semiconductor domain. EEPROM-equipped MCUs add an internal non-volatile data store that survives power cycling, ideal for configuration constants, calibration tables and serial numbers without an external memory chip. Key features include 13 I/O pins with individual direction control, an analog comparator with programmable on-chip voltage reference, a 16-bit timer/counter (Timer0) plus an 8-bit timer/counter (Timer2) with prescaler, and a Watchdog Timer with its own on-chip RC oscillator for reliable operation. The device supports 8-bit × 14-bit instruction word architecture, 200 ns single-cycle instructions (except program branches, which are two-cycle), four interrupt sources, and in-circuit serial programming (ICSP). Wide operating-voltage range of 2.5V to 5.5V and an industrial temperature range of -40°C to +85°C make it well-suited for commercial and industrial environments. The PIC16CE625 architecture uses a Harvard-style separate program and data bus, a 14-bit-wide program memory, and CMOS OTP EPROM for program storage. The EEPROM data memory block is rated for 1,000,000 erase/write cycles typical, far exceeding the OTP code that is programmed once. Built-in Power-on Reset (POR), Power-up Timer (PWRT), Oscillator Start-up Timer (OST), and Brown-out Reset (BOR) circuitry reduce external component count. Typical applications include appliance controls, security and access systems, automotive body electronics, low-cost remote controls, sensor-conditioning front-ends with on-chip comparator, and small battery-powered devices that benefit from the on-chip EEPROM data store. Engineers often select it when code size is modest (under 2K words), EEPROM endurance is needed, and the through-hole PDIP-18 footprint is desired for prototypes, hobby projects, or repair of legacy boards. Design considerations include placing a 100 nF decoupling capacitor close to VDD and VSS, routing the MCLR reset line away from high-frequency signals, and configuring the internal RC oscillator for low-power standby where timing accuracy is non-critical. Compared with flash-based PIC16F630, the PIC16CE625 is OTP and lacks ICD debugging, so reserve it for mature production designs. This page consolidates verified distributor pricing, side-by-side drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving procurement and engineering teams a single source for sourcing decisions.

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PIC16CE625-30/SS - 8-Bit 30MHz OTP MCU 3.5KB | Microchip
PIC16CE625-30/SS

PIC16CE625-30/SS - 8-Bit 30MHz OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16CE625-30/SS is an 8-bit RISC microcontroller with 3.5KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of data RAM, and integrated EEPROM data memory, housed in a 20-pin SSOP package rated for 30 MHz operation across a 3.0V to 5.5V supply range. An 8-bit microcontroller (MCU) is a small computing system on a single integrated circuit that combines a CPU, program memory, data RAM, and peripherals. The PIC16CE625 belongs to the PIC16C mid-range family of microcontrollers, which sits in the hierarchy: PIC16C family -> PIC16 sub-family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The 'CE' suffix in the part number indicates the inclusion of on-chip EEPROM data memory, distinguishing this part from the OTP-only 'C' variants while retaining the same instruction set and pinout. The architecture is Harvard-based with a separate 14-bit instruction word and 8-bit data path, supporting 35 single-word instructions executed in a single cycle (except branches, which take two). Key features include 13 digital I/O pins, two analog comparators, an 8-bit timer/counter (TMR0), a 16-bit timer/counter (TMR1) with built-in oscillator, and a Watchdog Timer with its own on-chip RC oscillator for reliable operation. The device supports in-circuit serial programming (ICSP) via the RB6/RB7 pins, allowing firmware updates after PCB assembly. The 20-pin SSOP (Shrink Small Outline Package) provides a compact 0.65 mm pitch footprint ideal for space-constrained designs. From an architectural perspective, the PIC16CE625 implements a RISC instruction set with only 35 instructions, simplifying code generation and reducing compiler complexity. The internal oscillator option and Power-on Reset (POR) circuit reduce external component count, while the dual analog comparators can be configured for sleep-mode wake-up, enabling ultra-low standby power applications on a 5V supply. Typical applications include consumer appliance control, automotive body electronics (non-safety), battery chargers, sensor signal conditioning, remote controls, and small industrial controllers. The combination of OTP program memory with EEPROM data storage makes the part well suited for products that require permanent firmware but may need field-adjustable parameters stored in non-volatile memory. When designing with the PIC16CE625-30/SS, ensure the ICSP programming interface (RB6/RB7 + VPP/MCLR) is accessible on the PCB to allow post-assembly firmware programming. The OTP memory means firmware bugs cannot be corrected after programming - thorough code review and pre-production verification are essential. Choose PIC16F variants if in-system reprogrammability via Flash is required. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including comparison parameters with modern Flash-based PIC16F successors.

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PIC16CE625/JW - 8-Bit EPROM MCU, 20MHz, 3.5KB | Microchip
PIC16CE625/JW

PIC16CE625/JW - 8-Bit EPROM MCU, 20MHz, 3.5KB | Microchip

The Microchip Technology PIC16CE625/JW is an 8-bit RISC microcontroller from the PIC16CE62X family, featuring 3.5KB (2K x 14) of one-time-programmable UV-erasable EPROM program memory, 128 bytes of data RAM, and an integrated 128-byte EEPROM data memory. Housed in an 18-pin CERDIP (ceramic DIP) windowed package, the device operates at up to 20MHz clock input (200ns instruction cycle) and executes from a 35-instruction RISC instruction set. The /JW suffix denotes a UV-erasable ceramic package intended for development, prototyping, and field-reprogrammable deployments. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O peripherals. An 8-bit MCU like the PIC16CE625/JW processes data 8 bits at a time, striking a balance between simplicity, cost, and deterministic real-time control. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers -> embedded processors -> digital ICs -> integrated circuits. The PIC16CE62X series specifically targets low-cost, high-performance, fully-static CMOS applications requiring on-chip non-volatile data storage, where the 'CE' suffix denotes integrated EEPROM. Key features include 13 digital I/O pins, two analog comparators, a Watchdog Timer, Power-On Reset, Brown-Out Detect, an 8-bit timer/counter (Timer0) and an 8-bit timer/counter with 8-bit period register (Timer2). The device runs from a single 3V to 5.5V supply (commercial/industrial) and supports in-circuit serial programming via ICSP. The 18-CERDIP windowed package exposes the die to UV light for erasure, making the part ideal for engineering development but unsuitable for high-volume space-constrained production. The PIC16CE625/JW uses a Harvard-architecture RISC core with separate program and data buses, enabling single-cycle instruction execution for most opcodes (200ns at 20MHz). The integrated 128-byte EEPROM provides 1M erase/write cycles endurance, suitable for configuration storage and runtime calibration data. Brown-out detect and power-on reset protect against unreliable supply conditions, while the WDT safeguards against code lockup in noisy environments. Typical applications include industrial control systems, appliance controls, security and alarm panels, automotive body electronics (non-safety), and remote sensor node controllers. The windowed CERDIP package also makes the part a strong fit for low-volume engineering prototyping where firmware iteration is expected. When designing with this device, ensure the brown-out detect voltage is set below the minimum operating supply to avoid spurious resets. The EPROM window requires a quartz UV eraser for reprogramming; for production, migrate to the OTP 'JW-less' or flash-based PIC16F628A equivalent after firmware is finalized. I/O drive strength is 25mA sink/source per pin, sufficient to drive LEDs and small relays directly. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16CE625T-04/SO - 8-bit 4MHz MCU, 3.5KB OTP, 18-SOIC | Microchip
PIC16CE625T-04/SO

PIC16CE625T-04/SO - 8-bit 4MHz MCU, 3.5KB OTP, 18-SOIC | Microchip

The Microchip Technology PIC16CE625T-04/SO is an 8-bit PIC16C-series microcontroller built on a CMOS, fully-static architecture and offered in the OTP (One-Time-Programmable) memory configuration. It integrates 3.5KB (2K x 14) of OTP program memory, 128 bytes of RAM, 128 bytes of on-chip EEPROM data memory, and 13 digital I/O pins. The device operates from 2.5V to 5.5V and runs at up to 4MHz from its internal RC or external clock source. The 18-pin SOIC (SO) package option ships on tape and reel (the 'T' suffix). A PIC (Peripheral Interface Controller) microcontroller is a class of compact, RISC-based embedded processors designed for deterministic real-time control. The PIC16CE625 belongs to the PIC16C family of low-cost, high-performance CMOS, fully-static, 8-bit microcontrollers with integrated EEPROM data memory. Within the broader taxonomy it sits as: PIC16CE625 -> PIC16CE62X -> PIC16C family -> PICmicro family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. This mid-range PIC16 core uses a 14-bit instruction word and Harvard architecture (separate program and data buses), giving it deterministic instruction timing useful for timing-sensitive control loops. Key features include an internal 4MHz RC oscillator (calibrated to +/-1 percent typical), a 10-bit successive-approximation ADC with 8 input channels, an analog comparator with programmable reference, two 8-bit timers (Timer0, Timer2) and one 16-bit timer (Timer1) with capture/compare/PWM, and the standard PIC mid-range peripheral set. The on-chip 128-byte EEPROM provides non-volatile data storage for configuration parameters and runtime calibration values without external serial EEPROM. Typical applications include sensor-interface and transducer-conditioning front ends (where the comparator and ADC pair well), appliance and HVAC control boards, automotive body and lighting controllers, low-cost consumer IR/RF remote encoders, security-system sensor nodes, and battery-powered instrumentation. The wide 2.5V-5.5V operating range and integrated peripherals reduce BOM cost in space-constrained designs. A key design consideration is that this OTP variant is blank at shipment and must be programmed by the user before insertion; pre-programmed code cannot be changed in-circuit. For prototyping or in-field firmware updates, consider the PIC16F625 flash-based counterpart in the same pinout, or migrate to a 16F-series pin-compatible part if program-memory updates are required during production.

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PIC16CE625T-04/SS - 4MHz 8-bit MCU 3.5KB OTP 128B EEPROM | Microchip
PIC16CE625T-04/SS

PIC16CE625T-04/SS - 4MHz 8-bit MCU 3.5KB OTP 128B EEPROM | Microchip

The Microchip Technology PIC16CE625T-04/SS is an 8-bit CMOS RISC microcontroller featuring 3.5KB of one-time programmable (OTP) program memory, 128 bytes of RAM, and 128 bytes of integrated EEPROM data memory, packaged in a 20-pin SSOP (5.30mm body width) with tape-and-reel packaging. It operates from a 3.0V to 5.5V supply, supports a 4MHz external clock input, and delivers 200ns instruction cycle performance across its 35 single-word instruction set. An 8-bit microcontroller (MCU) is a small, self-contained computing device built around an 8-bit data path, integrating a CPU, non-volatile program memory, working RAM, and configurable peripherals on a single CMOS die. The PIC16CE62X series belongs to the broader mid-range PIC microcontroller family, which sits inside Microchip's PIC -> RISC microcontroller -> embedded controller -> semiconductor taxonomy. The 'CE' suffix indicates the addition of on-chip EEPROM data memory that retains user data even when the device is powered down, distinguishing the 'CE' line from the standard OTP-only 'C' parts. Key features of the PIC16CE625T-04/SS include a 13-bit instruction word with 14-bit wide opcode, an internal 8-level hardware stack, two 8-bit timers (Timer0 and Timer2) plus one 16-bit timer (Timer1), a 10-bit multi-channel analog-to-digital converter, and 13 digital I/O pins capable of driving 25mA source/sink for direct LED interface. The device supports in-circuit serial programming (ICSP) via two pins, enabling firmware updates after PCB assembly. The architecture uses a Harvard-style separated program/data bus and a RISC-style single-cycle instruction pipeline (except program branches, which require two cycles). Its 35-instruction set maps directly to one opcode each, simplifying compiler and assembler design. The integrated 128-byte EEPROM supports 1 million erase/write cycles minimum and 40-year retention, suitable for storing calibration, configuration, or user preference data. Typical applications include appliance control front-panels, low-cost sensor interface nodes, automotive body controllers, lighting ballasts, and small consumer devices requiring non-volatile parameter storage. The wide 3.0V-5.5V supply range allows operation directly from a 3.3V regulator or from a regulated 5V rail. Design considerations include careful PCB layout for the analog VREF pin when using the ADC, and ensuring the MCLR reset pin has a proper RC network to avoid spurious resets in noisy environments. This page synthesizes distributor pricing, drop-in same-family alternatives drawn from Microchip's PIC16CE62X portfolio, and practical design notes not found in the standalone datasheet.

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PIC16CE625T-04E/SO - 4MHz 8-bit OTP MCU 3.5KB | Microchip
PIC16CE625T-04E/SO

PIC16CE625T-04E/SO - 4MHz 8-bit OTP MCU 3.5KB | Microchip

The Microchip Technology PIC16CE625T-04E/SO is an 8-bit CMOS OTP microcontroller from the PIC16CE62X family, operating at up to 4 MHz with 3.5 KB (2K x 14) of One-Time-Programmable program memory, 128 bytes of RAM, and an integrated 128-byte EEPROM data memory, housed in an 18-pin SOIC (SO) package. According to the Microchip datasheet, the device delivers 133 ns execution per single-cycle instruction (except program branches which take two cycles) and provides 13 digital I/O pins plus two on-chip analog comparators. An OTP microcontroller (One-Time-Programmable MCU) is a microcontroller whose program memory can be written only once by the developer using a device programmer, after which the code becomes permanent. In the broader taxonomy, this part sits under MCU -> microcontroller -> 8-bit microcontroller -> CMOS microcontroller -> embedded controller -> semiconductor. The "CE" suffix in the family name denotes the presence of integrated EEPROM data memory, distinguishing PIC16CE62X from the PIC16C62X and PIC16F62X variants that use only program memory. Key features of the PIC16CE625T-04E/SO include a 4 MHz maximum clock input (200 ns instruction cycle), 35 single-word instructions, a Watchdog Timer (WDT) for runaway code recovery, Power-on Reset (POR), Brown-out Detect (BOD) for low-voltage protection, a 4 MHz internal RC oscillator option, two analog comparators with programmable reference, and in-circuit serial programming (ICSP) capability. The 18-pin SOIC (SO) package at 0.295 inch / 7.50 mm width is a JEDEC-standard surface-mount outline suitable for hand-soldering and standard reflow profiles. The device runs from a 3.0 V to 5.5 V supply and is rated for the industrial operating temperature range. Its Harvard architecture separates program and data buses, allowing instruction fetch and operand read in the same cycle, which is why single-cycle instructions execute in 200 ns at 20 MHz or 1 us at 4 MHz. Two comparators and a programmable voltage reference enable mixed-signal applications without external analog ICs. Typical applications include appliance control (white goods, HVAC fan control), low-cost remote sensors, security keypads, automotive body modules (non-safety, non-AEC-Q100), industrial timers and counters, and general-purpose 8-bit embedded control where a one-time-programmed code base is acceptable. The integrated EEPROM (128 bytes) is useful for storing user-changeable parameters such as calibration data, counters, or configuration flags that must survive power cycles. When designing with this part, note that the "T" suffix in the MPN denotes Tape-and-Reel packaging for high-volume SMT assembly, while "04" specifies the 4 MHz speed grade. The "E" suffix denotes the Enhanced (industrial) operating temperature range. Plan for one device programmer cycle - the OTP memory cannot be erased or rewritten, so code must be fully verified before programming.

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PIC16CE625T-04I/SO - 3.5KB OTP 8-bit MCU w/ EEPROM | Microchip
PIC16CE625T-04I/SO

PIC16CE625T-04I/SO - 3.5KB OTP 8-bit MCU w/ EEPROM | Microchip

The Microchip Technology PIC16CE625T-04I/SO is an OTP-based 8-bit CMOS microcontroller from the PIC16CE62X family, featuring 3.5KB (2K x 14) of program memory, 128 bytes of RAM, and integrated 128-byte EEPROM data memory, all housed in an 18-pin SOIC (SO) wide-body package. It executes instructions in a single 200 ns cycle (except program branches, which take two cycles) and operates at a 4 MHz clock input, giving it the classic PIC16C-series cost-effective performance profile. The device supports 13 digital I/O pins, runs from a 3.0V to 5.5V supply, and is qualified to the industrial -40C to +85C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, working RAM, non-volatile data storage, and programmable peripherals on one silicon die. Within the broader taxonomy, the PIC16CE625T-04I/SO is an 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor IC. The 'CE' suffix specifically denotes on-chip EEPROM for data retention during power cycles, while the 'OTP' suffix indicates One-Time-Programmable program memory that is programmed once and read many times. Compared with Flash-based PIC16F devices, OTP parts are typically lower cost per unit but cannot be reprogrammed in-circuit, so they target cost-sensitive volume production rather than prototyping. The PIC16CE625T-04I/SO also integrates a precision internal comparator (the CE62X family's defining feature), a 5-channel 8-bit ADC, two 8-bit timers, a watchdog timer with on-chip RC oscillator, in-circuit serial programming (ICSP), and a brown-out reset (BOR) circuit. The 18-pin SOIC package provides wide 7.50 mm body width for easier hand-soldering and rework compared to narrow SOIC variants. With its Harvard RISC architecture and only 35 single-word instructions, the device is well suited to small, deterministic control loops. Typical applications include appliance control, sensor signal conditioning with on-chip comparator, low-cost consumer electronics, automotive body modules, and battery-operated industrial sensor nodes. The integrated EEPROM and BOR make it a strong choice for designs that need to retain calibration data through power cycles. When designing with the PIC16CE625T-04I/SO, note that OTP memory cannot be erased, so firmware must be fully validated before programming. The wide-body SOIC package has a larger footprint than modern SOIC-18 narrow variants, so verify mechanical fit against the PCB pad pattern. Always consult the Microchip PIC16CE62X datasheet and use the MPLAB PM3 or ICD programmers for production programming. This page synthesizes distributor pricing, same-family Microchip drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16CE625T-04I/SS - 8-bit PIC MCU, 3.5KB OTP, 4MHz | Microchip
PIC16CE625T-04I/SS

PIC16CE625T-04I/SS - 8-bit PIC MCU, 3.5KB OTP, 4MHz | Microchip

The Microchip Technology PIC16CE625T-04I/SS is an 8-bit CMOS RISC microcontroller from the PIC16CE62X family, integrating 3.5KB (2K x 14 words) of One-Time Programmable (OTP) program memory and 128 bytes of data SRAM plus 128 bytes of EEPROM data memory, housed in a 20-pin SSOP package. It operates from 3.0V to 5.5V with a maximum clock speed of 4 MHz and provides 13 digital I/O lines, two analog comparators, a watchdog timer, brown-out reset, power-on reset, and a capture/compare/PWM module. The 'T' suffix indicates Tape & Reel packaging, '04' denotes the 4 MHz speed grade, and 'I' signifies the industrial -40C to +85C operating temperature range. The 20-SSOP form factor measures 7.50 mm x 5.30 mm with 0.65 mm pitch, fitting standard surface-mount assembly. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, integrating a CPU, memory, and peripherals. The PIC16CE62X family belongs to Microchip's PICmicro mid-range architecture, which sits hierarchically within the broader categories: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. These devices use a Harvard RISC architecture that executes one instruction per clock cycle (except branches), making them highly deterministic and efficient for low-power embedded control. The 'CE' suffix indicates the family integrates on-chip EEPROM data memory alongside OTP program memory, distinguishing it from 'C' OTP-only and 'F' Flash variants. Key features include 35 instructions, 14-bit instruction word, 8-level hardware stack, 4 oscillator modes (RC, XT, HS, LP), 2 analog comparators with programmable reference, 8-bit timer/counter with 8-bit prescaler, one 16-bit timer/counter, 2 capture/compare/PWM modules, in-circuit serial programming (ICSP), and an internal brown-out reset circuit. Power consumption is typically <2 mA active at 4 MHz/5V and <1 uA standby, which suits battery-backed and always-on designs. The PIC16CE625 architecture combines a 14-bit RISC CPU with dual-bus Harvard memory, allowing simultaneous instruction fetch and data access. The integrated on-chip EEPROM (128 bytes) provides non-volatile user data storage distinct from program memory, useful for storing calibration values, configuration parameters, or runtime counters that survive power cycles. The OTP program memory (3.5KB) supports low-cost production programming, while the peripheral set (comparators, CCP, timers, USART) addresses typical embedded control tasks. Typical applications include remote controls, sensor interfaces, low-cost consumer appliances, security alarm panels, automotive body electronics, and industrial control boards. Its EEPROM-backed data retention makes it a fit for designs needing non-volatile user parameter storage. When designing with this device, ensure decoupling capacitors (100 nF + 10 uF) are placed within 5 mm of VDD, and that the MCLR pin is pulled up through 10 kohm with optional 100 nF noise suppression.

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PIC16CE625T-20/SO - 8-Bit 20MHz MCU 3.5KB OTP | Microchip
PIC16CE625T-20/SO

PIC16CE625T-20/SO - 8-Bit 20MHz MCU 3.5KB OTP | Microchip

The Microchip Technology PIC16CE625T-20/SO is a PIC® 16C family 8-bit CMOS microcontroller operating at up to 20 MHz instruction rate, integrating 3.5 KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of data EEPROM, and 128 bytes of SRAM in a 18-pin SOIC (SO) wide-body surface-mount package. The "T-20/SO" suffix breakdown indicates tape-and-reel packaging ("T"), 20 MHz maximum clock ("20"), and 18-SOIC package code ("SO"). The device is designed around Microchip's RISC architecture with 35 single-word instructions, of which all execute in a single 200 ns instruction cycle except program branches, which take two cycles. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and programmable I/O peripherals. The PIC16CE625 belongs to the PICmicro mid-range family of 8-bit microcontrollers, which historically dominated low-power and cost-sensitive embedded designs. OTP program memory means the device is programmed once at production and is non-erasable, distinguishing it from flash-based PIC16F variants; this positioning makes PIC16CE625 ideally suited for high-volume consumer and industrial applications where cost per unit is paramount and in-field firmware updates are not required. Key features include 13 programmable digital I/O pins with independent direction control, an internal 4 MHz calibrated RC oscillator, an external oscillator option up to 20 MHz, a 10-bit analog comparator module, a programmable 8-bit timer/counter (TMR0) with 8-bit prescaler, a 16-bit timer/counter (TMR1), and a Watchdog Timer with its own on-chip RC oscillator for reliable operation. The device supports a wide 2.5V to 5.5V supply range, hardware USART/SCI, and includes in-circuit serial programming (ICSP) capability via two dedicated pins, enabling programming after PCB solder. CMOS technology keeps typical active current under 2 mA at 5V/4 MHz and standby current in the microamp range. Typical applications include appliance control boards, sensor signal conditioning front-ends with on-chip comparator, simple user-interface controllers (LED drivers, keypads), low-cost motor drivers for small DC fans and solenoids, and battery-powered portable instruments where the EEPROM data memory can store user settings and calibration values. The 18-SOIC wide-body package allows hand-soldering and rework while still providing compactness. When designing with PIC16CE625T-20/SO, select an external clock source that matches the application's timing budget; the 20 MHz ceiling delivers 5 MIPS but increases power dissipation versus 4 MHz operation. Always reserve the ICSPDAT/ICSPCLK pins for in-circuit programming access, and ensure the MCLR pin has the proper pull-up configuration. This page consolidates distributor pricing, drop-in alternatives, and practical engineering guidance not present in the manufacturer datasheet alone.

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PIC16CE625T-20E/SO - 8-bit PIC MCU, 3.5KB OTP, 20MHz, 18-SOIC | Microchip
PIC16CE625T-20E/SO

PIC16CE625T-20E/SO - 8-bit PIC MCU, 3.5KB OTP, 20MHz, 18-SOIC | Microchip

The Microchip Technology PIC16CE625T-20E/SO is an 8-bit PICmicro CMOS microcontroller from the PIC16CE62X family, featuring a 20MHz maximum clock input, 3.5KB (2K x 14) One-Time Programmable (OTP) program memory, 128 bytes of RAM, and 128 bytes of EEPROM data memory, housed in an 18-pin SOIC package. The "T" suffix indicates tape-and-reel packaging and the "E" indicates the extended commercial temperature grade, while "-20" denotes the 20MHz speed grade and "/SO" specifies the 18-SOIC 7.50mm-width surface-mount form factor. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data RAM, and a set of peripheral interfaces on one die. Within the taxonomy MCU -> microcontrollers -> microprocessors -> semiconductors, the PIC16CE62X belongs to the OTP/EPROM-based mid-range PIC family that targets cost-sensitive embedded control. The on-chip EEPROM data memory distinguishes this family from mask-ROM-only predecessors by allowing non-volatile user data to be read and written during normal operation without external storage chips. Key features include 13 I/O pins, 35 single-cycle instructions (200ns per instruction at 20MHz, except program branches which take two cycles), a wide 3.0V to 5.5V supply range, an internal oscillator option, a 16-bit timer/counter, an 8-bit timer/counter, a capture/compare/PWM (CCP) module, a 10-bit ADC-less analog comparator, and a programmable watchdog timer with on-chip RC oscillator. The 18-SOIC package measures 0.295 inch (7.50mm) body width and is compatible with standard surface-mount assembly lines. Architecturally, the device uses a Harvard-style RISC core with separate program and data buses. The 14-bit instruction word provides more opcode space than 8-bit cores, enabling single-word instructions and a compact code footprint of 3.5KB. The internal EEPROM is byte-accessible through dedicated SFRs and supports up to 1M erase/write cycles per datasheet figures from the family reference manual. Typical applications include low-power consumer appliances, automotive body electronics, industrial sensor conditioning, and any embedded design requiring a small OTP MCU with on-chip non-volatile data. The 8-bit core keeps the BOM cost lower than 32-bit alternatives while providing sufficient performance for PID loops, keypad scanning, and simple state machines. When designing with this part, note that OTP means the program memory can be written only once - if firmware updates are required in the field, select a Flash-based PIC16F equivalent instead. For new designs, consider the pin-compatible PIC16F628A which adds flash memory while retaining the same 18-pin footprint. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16CE625T-20E/SS - 8-bit 20MHz OTP MCU, 3.5KB Flash, 20-SSOP | Microchip
PIC16CE625T-20E/SS

PIC16CE625T-20E/SS - 8-bit 20MHz OTP MCU, 3.5KB Flash, 20-SSOP | Microchip

The Microchip Technology PIC16CE625T-20E/SS is an 8-bit PIC microcontroller from the PIC16C family, featuring a 20 MHz maximum clock speed and housed in a 20-pin SSOP surface-mount package. It integrates 3.5 KB (2K x 14) of One-Time Programmable (OTP) program memory, 128 bytes of data RAM, and 128 bytes of EEPROM for non-volatile data storage. The device operates across a supply voltage range of 3.0 V to 5.5 V and provides 13 general-purpose digital I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral set into one IC. Within the broader semiconductor taxonomy, MCUs belong to the logic / embedded-controller family and sit under microcontrollers in the Integrated Circuits hierarchy. The PIC16C series specifically uses a Harvard-architecture RISC core with separate program and data buses, which enables deterministic single-cycle instruction execution - useful in real-time control applications. Key features of the PIC16CE625T-20E/SS include integrated Brown-out Detect/Reset, Power-On Reset (POR), and a Watchdog Timer (WDT) for robust operation in noisy or battery-powered environments. The 128-byte on-chip EEPROM allows application parameters and calibration data to be retained without external storage. The wide 3.0 V to 5.5 V operating range supports both 3.3 V and 5 V system designs, and the -40 °C to +125 °C extended temperature range (per the 'E' suffix) suits industrial-grade deployments. Architecturally, the PIC16CE625 uses Microchip's enhanced 14-bit instruction set, allowing each instruction word to encode both opcode and literal data. The OTP program memory is one-time programmable - once a bit is programmed it cannot be erased - which makes the device cost-optimized for high-volume production where firmware is final. Internal oscillator options and a programmable prescaler reduce external component count. Typical applications for the PIC16CE625T-20E/SS include appliance controllers, sensor signal conditioning, LED lighting drivers, automotive body electronics subsystems, industrial control modules, and battery-charging controllers. Its combination of EEPROM, watchdog, and brown-out reset makes it well suited to any unattended embedded application that must survive power disturbances. When designing with this MCU, remember that OTP memory cannot be reprogrammed in-circuit - prototype firmware should first be developed on a windowed or flash-based sibling (such as the PIC16F62x family) before committing to OTP for production. Always allocate the watchdog timer and brown-out reset thresholds to match system worst-case timing requirements. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.

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PIC16CE625T-20I/SS - 20MHz 8-bit OTP MCU w/EEPROM | Microchip
PIC16CE625T-20I/SS

PIC16CE625T-20I/SS - 20MHz 8-bit OTP MCU w/EEPROM | Microchip

The Microchip PIC16CE625T-20I/SS is an 8-bit CMOS OTP-based microcontroller in the PIC16CE62X family that integrates 128 bytes of EEPROM data memory alongside the program store. It operates from a 3V to 5.5V supply and supports up to a 20 MHz external clock input with 200 ns instruction cycle execution (133 ns minimum, conditional). The part ships in a 20-pin SSOP (5.30 mm body) package and is delivered on tape-and-reel as the -20I/SS suffix indicates, with the 'I' denoting the -40C to +85C industrial temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, peripherals and I/O on one silicon die. In the broader embedded taxonomy, this device sits under: MCU -> 8-bit microcontroller -> Harvard-architecture MCU -> CMOS RISC MCU -> PIC16C-family mid-range core. The 'CE' suffix in the part number signals Microchip's EPROM program memory variant with integrated EEPROM, intended for prototyping and low-volume production prior to mask-ROM conversion. Key differentiating features include 3.5 KB of one-time-programmable (OTP) program memory, 128 bytes of RAM, 13 general-purpose digital I/O pins sharing 18/20-pin packages, and on-chip peripherals such as Brown-out Detect (BOD), Power-On Reset (POR), Watchdog Timer (WDT), an 8-bit timer/counter, and an analog comparator. The Harvard RISC core offers only 35 single-word instructions, a 2-cycle branch, and a hardware interrupt controller, giving the part its reputation for fast context-switch responsiveness. Architecture depth: the PIC16CE62X uses Microchip's mid-range 14-bit instruction word, an 8-level stack and 8-bit data path. The integrated comparator with programmable reference, plus the EPROM-based code store, makes this generation ideal for designs where in-system re-programmability was not yet mandatory but field-configurable trim and data logging via the on-die EEPROM were required. Typical applications include consumer appliance controllers, sensor signal conditioning front-ends (paired with the on-chip comparator), low-cost PWM-driven LED or motor control, and industrial keypad/IO expansion modules. The 18/20-pin SSOP/SOIC footprint also makes it a drop-in candidate for legacy designs originally built on PIC16C62x mask-ROM parts. When designing with this part, note that OTP requires one-time UV-erase-and-reprogram at the device programmer; for in-application firmware updates, migrate to the PIC16F62x flash-based family.

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PIC16CE625T-30/SO - 8-bit OTP MCU 3.5KB w/ EEPROM, 18-SOIC | Microchip
PIC16CE625T-30/SO

PIC16CE625T-30/SO - 8-bit OTP MCU 3.5KB w/ EEPROM, 18-SOIC | Microchip

The Microchip Technology PIC16CE625T-30/SO is an 8-bit PICmicro CMOS microcontroller with 3.5 KB (2K x 14) One-Time Programmable (OTP) program memory, 128 bytes of RAM, integrated EEPROM data memory, and a 30 MHz internal oscillator, housed in an 18-pin SOIC package delivered on Tape & Reel. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, program memory (ROM/Flash/OTP), working RAM, and peripherals (timers, ADC, comparators, I/O) on one die. The PIC16CE62X family belongs to the PIC16 mid-range architecture and sits inside the broader hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor. The unique value of the PIC16CE62X line is the addition of on-chip serial EEPROM data memory alongside OTP program memory, letting designers store calibration data, configuration settings, and runtime parameters without an external EEPROM chip. Key features of the PIC16CE625 include 13 digital I/O pins, a precision analog comparator, one 8-bit timer/counter and one 16-bit timer/counter (Timer0/Timer1), a watchdog timer with dedicated on-chip RC oscillator, and an internal 4 MHz RC oscillator that can be software-configured to 30 MHz. The integrated EEPROM typically provides 128 bytes of non-volatile data storage, while the OTP program memory holds the application firmware. Power-saving features include SLEEP mode, programmable brown-out reset (BOR), and a wide operating voltage range of 2.5 V to 6.0 V. Architecturally, the PIC16CE625 uses a Harvard RISC core with separate program and data buses, 35 single-word instructions, and a 14-bit instruction word. The CMOS process delivers low operating current and industrial temperature range support (-40C to +85C for the E suffix; 0C to +70C for the standard part), enabling deployment in noisy electrical environments. Typical applications include low-cost consumer electronics, remote-control transmitters, sensor signal-conditioning front-ends with on-board calibration storage, small motor control, security keypads, and battery-powered devices. The integrated comparator allows threshold detection and battery-voltage monitoring without external analog components. Design with the in-circuit serial programming (ICSP) interface for OTP programming in production; OTP memory cannot be electrically erased, so a one-time-programmed device is the final form. Designers who require reprogrammability during prototyping should evaluate PIC16F62X flash variants as an alternative.

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PIC16CE625T-30/SS - 8-bit OTP MCU, 3.5KB EPROM, 128B RAM | Microchip
PIC16CE625T-30/SS

PIC16CE625T-30/SS - 8-bit OTP MCU, 3.5KB EPROM, 128B RAM | Microchip

The Microchip Technology PIC16CE625T-30/SS is an 8-bit CMOS microcontroller with 3.5KB one-time-programmable (OTP) program memory, 128 bytes of RAM, and integrated EEPROM data memory, housed in a 20-pin SSOP package. It is a member of the PIC16CE62X family of low-cost, high-performance, fully-static microcontrollers, operates at up to 30 MHz (30 in the suffix), and includes an internal voltage reference plus analog comparator peripherals. An 8-bit OTP microcontroller is a single-chip computer built around an 8-bit data path whose program memory is one-time programmable (the cell can be written once and thereafter behaves as ROM). Such MCUs sit in the broader taxonomy of microcontrollers -> embedded processors -> semiconductors. Compared with flash-based MCUs, OTP variants typically offer lower unit cost for high-volume consumer products but require full-firmware commitment before wafer packaging. EEPROM-backed data memory makes the PIC16CE625 well suited to applications that must store calibration values, user settings, or runtime counters without external storage. Key features of the PIC16CE625T-30/SS include a 13-bit instruction set running at up to 30 MHz, 13 digital I/O pins, an internal 4 MHz RC oscillator, two analog comparators with programmable reference, a 5-channel 8-bit ADC, two 8-bit timers (Timer0 and Timer2) plus one 16-bit timer (Timer1), and a synchronous serial port (SSP) supporting SPI and I2C. The integrated 128-byte EEPROM is rated for one million erase/write cycles, supporting persistent parameter storage in the field. Architecturally, the PIC16CE625 uses a RISC-like Harvard core with separate program and data buses, a hardware multiplier-free ALU, and 14-bit wide instructions. The 30 MHz oscillator input drives a four-phase clock generator and the in-circuit debug-friendly ICSP interface, and brown-out detect plus power-on reset are integrated. A wide operating voltage range of 3.0 V to 5.5 V supports both battery and regulated 5 V rails. Typical applications include appliance control panels, consumer remote controls, low-end sensor signal conditioning, security keypads, and small appliance timer modules. The internal comparator and voltage reference allow direct thermistor or other resistive-sensor interfacing without an external op-amp. Designers choose this part when program memory is fixed late in development, BOM cost is critical, and a small handful of digital I/O plus EEPROM storage is sufficient. When designing with this device, plan OTP programming logistics early: once programmed, the silicon cannot be rewritten, so test firmware should be on a flash-based equivalent (for example PIC16F627) until the production image is frozen. Decoupling must include a 100 nF ceramic capacitor placed within 5 mm of VDD and a 10 uF bulk capacitor on the supply rail. The MCLR pin requires a 10 kohm pull-up to VDD unless the internal reset is enabled in the configuration word. This page synthesizes distributor pricing, same-family alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single decision-ready reference.

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PIC16CR73-I/SO - 7KB ROM 8-Bit MCU 20MHz 28-SOIC | Microchip
PIC16CR73-I/SO

PIC16CR73-I/SO - 7KB ROM 8-Bit MCU 20MHz 28-SOIC | Microchip

The Microchip Technology PIC16CR73-I/SO is an 8-bit CMOS ROM-based microcontroller featuring 7KB of program memory (4K x 14 words), 192 bytes of RAM, and 22 digital I/O pins, housed in a 28-pin SOIC package. It operates at up to 20MHz from a 2.5V-5.5V supply, integrates a 10-bit multi-channel ADC, USART, SPI, and I2C peripherals, and is built on the PIC16C mid-range architecture with a 14-bit instruction set. As a "CR" ROM-based variant of the PIC16C/16F73 family, it is intended for high-volume production designs where the program code is factory-masked. An 8-bit ROM microcontroller (MCU) is a single-chip computer with mask-programmed read-only memory, designed for cost-sensitive, high-volume embedded applications where the firmware is finalized at the time of order. It belongs to the hierarchy: microcontroller -> embedded processor -> semiconductor IC. Unlike flash-based parts such as the PIC16F73, the PIC16CR73 cannot be reprogrammed in-circuit, which reduces per-unit cost but eliminates field-upgrade flexibility. The mid-range PIC16 core executes most instructions in a single 200ns cycle at 20MHz and includes a hardware multiplier, interrupts, and a watchdog timer. Key specifications include: 7KB (4K x 14) program ROM, 192 bytes of data RAM, 22 I/O pins with individual direction control, five 10-bit ADC channels, USART/SPI/I2C serial interfaces, two 8-bit timers and one 16-bit timer, 14-bit instruction word, 20MHz maximum clock, and an industrial -40C to +85C operating temperature range. Brown-out reset, power-on reset, watchdog timer with on-chip RC oscillator, and code protection are all integrated. The 28-SOIC (SO) package measures 7.50mm body width with 1.27mm pin pitch for hand-solder-friendly through-hole-compatible surface-mount assembly. Typical applications include consumer appliance controls, industrial sensor interfaces, low-cost motor control, automotive body electronics, and embedded data acquisition where the firmware is stable and final. The PIC16CR73-I/SO is particularly useful in designs migrating from PIC16C73 to flash-based PIC16F73 while maintaining the same SOIC footprint and pinout, or in long-life products where field firmware updates are unnecessary. The part is supplied in tape-and-reel packaging for automated SMT assembly lines.

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PIC16CR73-I/SS - 8-bit CMOS ROM MCU, 7KB ROM, 20MHz | Microchip
PIC16CR73-I/SS

PIC16CR73-I/SS - 8-bit CMOS ROM MCU, 7KB ROM, 20MHz | Microchip

The Microchip Technology PIC16CR73-I/SS is an 8-bit CMOS ROM-based microcontroller with 7KB of one-time-programmable ROM, 192 bytes of RAM, and 22 digital I/O lines, housed in a 28-pin SSOP (Shrink Small Outline Package) with industrial temperature grade (-40C to +85C). It executes instructions at a 20 MHz clock with a 200 ns instruction cycle using a RISC architecture of 35 single-word instructions. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and peripheral interfaces into one package, used to sense, control, and actuate embedded systems. PIC microcontrollers sit within the 8-bit microcontroller taxonomy, alongside AVR and 8051 architectures, and are widely used for cost-sensitive, low-power, deterministic control tasks where bit-level I/O and interrupt latency dominate design decisions. Key features of the PIC16CR73-I/SS include five 8-bit I/O ports (PORTA-PORTE), a 10-bit multi-channel Analog-to-Digital Converter (ADC) module, two 8-bit Timer/Counter modules and one 16-bit Timer/Counter module, a Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) port, and a Master Synchronous Serial Port (SSP) supporting SPI and I2C. The device also integrates a watchdog timer with its own on-chip RC oscillator for failsafe operation, brown-out reset circuitry, and in-circuit serial programming (ICSP) for field updates. The PIC16CR73 family uses a Harvard bus architecture that separates program and data memory paths, enabling instruction fetch and operand access in the same cycle. The 14-bit instruction word yields compact code density, and the ROM-based (CR) variant is targeted at low-cost, mature-product production runs where flash reprogramming is not required. Typical applications include industrial automation control nodes, sensor signal conditioning interfaces, HVAC actuator drivers, automotive body electronics subsystems, consumer appliance controllers, and embedded serial communication bridges where deterministic timing and small footprint matter more than large memory. When designing with the PIC16CR73-I/SS, ensure the watchdog timer is either enabled in software or disabled by configuration bits to prevent unwanted resets. Use the ICSP interface pins (RB6/RB7) for in-circuit programming, reserving them from general I/O to avoid contention. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes drawn from manufacturer datasheets and verified web data, providing information that goes beyond any single source datasheet.

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