Circuitos integrados

PIC12CE518T-04I/SN

PIC12CE518T-04I/SN - 8-bit 4MHz OTP MCU 768B w/EEPROM | Microchip

The Microchip Technology PIC12CE518T-04I/SN is an 8-bit CMOS OTP-based microcontroller with integrated EEPROM data memory, a 4 MHz internal oscillator option, 768 bytes (512 x 12) of OTP program memory, 25 bytes of RAM, and 6 I/O pins, packaged in an 8-pin SOIC (SN) industrial-temperature-grade package. Built on Microchip's PIC RISC architecture, the device executes instructions in a single 1 microsecond cycle (200 ns at 20 MHz external), with only 33 single-word instructions to learn, making it one of the simplest 8-bit microcontrollers in production for embedded logic replacement and small control tasks. A PIC microcontroller (Peripheral Interface Controller) is a Harvard-architecture 8-bit RISC MCU family originally developed by General Instrument and now dominated by Microchip Technology. PIC MCUs sit in the broader taxonomy: microcontroller -> embedded MCU -> semiconductor -> integrated circuit. The PIC12C/12CE sub-family is the smallest footprint 8-pin OTP-based line, intended for ultra-compact, cost-sensitive, low-I/O-count designs where assembly simplicity outweighs flash reprogrammability. The 'CE' suffix denotes the inclusion of a small EEPROM data area for non-volatile user parameter storage. Key features of the PIC12CE518T-04I/SN include 16 bytes of EEPROM data memory, 25 mA source/sink capability per I/O pin (suitable for direct LED drive), four selectable oscillator modes (including the internal 4 MHz RC oscillator with factory-calibrated accuracy and an external clock input), a Power-on Reset (POR) block, and an industrial operating temperature range of -40C to +85C. The device accepts a supply voltage of 2.5V to 5.5V on VDD, with 3.0V minimum for full-speed operation. Technically, the PIC12CE518 uses a 12-bit instruction word, two-stage pipeline, and a small register file mapped into banked data memory. Watchdog timer, brown-out detect (on later die revs), and an 8-bit timer (TMR0) are integrated; code-protect and ID-location bits are supported. Compared to flash-based PIC12F successors such as PIC12F629, this OTP part cannot be reprogrammed in-circuit, so it is generally specified for mature, finalized production runs. Typical applications include remote control transmitters, simple sensor interface boards, household appliance control logic, LED drivers and blinkers, security and access peripherals, toys, timer-based controllers, and general-purpose logic replacement. Its industrial temperature grade makes it suitable for lightly-demanding industrial control nodes. When designing with the PIC12CE518T-04I/SN, the designer should note that OTP memory means firmware must be 100% verified before programming - no field updates. Place a 0.1 microfarat decoupling capacitor close to VDD, select the INTRC or LP oscillator mode based on EMI/precision needs, and account for the 1 microsecond instruction cycle when computing timing budgets. This page synthesizes distributor pricing from DigiKey/Mouser/Octopart, Microchip's official product family documentation, parametric drop-in alternatives in the same SOIC-8 footprint, and practical engineering notes not found in the manufacturer datasheet alone.

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PIC12CE519-04/P

PIC12CE519-04/P - 8-Bit 4MHz OTP MCU, 1.5KB, 8-PDIP | Microchip

The Microchip Technology PIC12CE519-04/P is an 8-bit, fully static, EPROM-based CMOS microcontroller in the PIC12C5xx family, delivered in an 8-pin PDIP through-hole package. It integrates 1.5 KB of one-time-programmable (OTP) program memory (1K x 12), 41 bytes of general-purpose RAM, 16 bytes of EEPROM data memory, and 6 general-purpose I/O pins capable of 25 mA source/sink per pin. The CPU executes RISC instructions at 200 ns per instruction (4 MHz oscillator / 1 us per instruction cycle), and offers four selectable oscillator options including a calibrated internal 4 MHz RC oscillator. An 8-bit CMOS microcontroller (often called an MCU or micro-controller unit) is a small computing subsystem on a single integrated circuit that combines a CPU, program memory, data memory, and configurable peripheral I/O. Within the broader taxonomy it sits under microcontroller -> embedded controller -> SoC -> semiconductor, and within Microchip's lineup the PIC12CE519 belongs to the baseline-level PIC12C5xx family, optimized for compact, low-pin-count, cost-sensitive applications that need simple deterministic control. Key features of the PIC12CE519-04/P include: 4 MHz maximum clock with selectable internal/external oscillator, 6 bidirectional I/O pins, 25 mA sink/source capability per I/O for direct LED or relay drive, hardware UART (SCI) and comparators are not present in this device, but it provides a synchronous serial port (SSP) supporting SPI and I2C master/slave modes, plus on-chip EEPROM for non-volatile parameter storage. The device operates from 3.0 V to 5.5 V with Power-on Reset, brown-out reset, and watchdog timer for robust field deployment. The architecture uses a Harvard RISC core with only 33 single-word single-cycle instructions, simplifying firmware development in assembly or C (via MPLAB XC8). The internal 4 MHz RC oscillator can be calibrated to +/- 1% using a factory-stored calibration value, eliminating the need for an external resonator in space-constrained designs. Typical applications include smart-card reader front-ends, electronic locks, battery chargers, remote controls, appliance timers, and low-cost sensor interface boards. Industrial use cases range from simple PID loops in HVAC damper actuators to status indicator controllers in uninterruptible power supplies. When designing with this device, allocate the 6 I/O pins carefully: at least two are typically consumed by ICSP programming (GP0/GP1), leaving four for application use. Always reserve the ICD2/ICD3 programming header footprint even on production boards; the device is OTP and cannot be reprogrammed. Use a 100 nF decoupling capacitor within 5 mm of VDD and a 10 kohm pull-up on MCLR. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not found in the manufacturer datasheet alone, and is intended as an engineering reference for sourcing, replacement, and integration decisions.

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PIC12CE519-04/SM

PIC12CE519-04/SM - 8-Bit 4MHz OTP MCU with EEPROM | Microchip

The Microchip PIC12CE519-04/SM is an 8-bit CMOS one-time-programmable (OTP) microcontroller from the PIC12C family, delivering 4 MIPS performance at 4 MHz clock speed in a compact 8-pin SOIJ surface-mount package. It integrates 1.5 KB (1K x 12) of OTP program memory and 41 bytes of data RAM, with the key distinguishing feature of 16 bytes of serial EEPROM data memory accessible via I2C-style interface for non-volatile parameter storage. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that combines a CPU, RAM, non-volatile program memory, and I/O peripherals on a single silicon die. Within the broader taxonomy, the PIC12CE519 belongs to the Microchip PIC10/12/16 mid-range family, which sits below 16-bit dsPIC and 32-bit PIC32 offerings but above 4-bit legacy controllers. The "OTP" designation indicates the program memory can be written only once, making this part suited for low-cost high-volume products where firmware is finalized at production. Key features include 6 I/O pins with 25 mA source/sink capability per pin (sufficient to drive LEDs and small relays directly), four oscillator selections including an internal 4 MHz RC oscillator with programmable calibration, and a 200 ns instruction cycle for fast deterministic control loops. The part operates from 2.5 V to 5.5 V and supports a commercial temperature grade of 0 C to +70 C. The SOIJ-8 package (also referred to as 8-SOIJ) provides a low-profile SMT footprint approximately 5 mm long, suitable for space-constrained designs. Architecturally, the PIC12CE519-04/SM uses a RISC Harvard architecture with separate program and data buses, 35 single-word instructions, and a hardware multiplier-free design optimized for low cost. The integrated 16-byte EEPROM is the primary differentiator versus the standard PIC12C508/509, allowing designers to store calibration constants, user settings, or serial numbers without an external memory chip. The four oscillator options include the calibrated internal 4 MHz RC, external RC, external crystal, and external clock modes. Typical applications include low-cost consumer appliances, remote controls, LED lighting controllers, simple sensor interfaces, battery chargers, and white-goods subsystems where EEPROM-backed user settings and minimal PCB area matter. The 25 mA I/O drive eliminates the need for external transistors in many indicator or relay-driver circuits. When designing with the PIC12CE519-04/SM, plan for in-system programming via ICSP (In-Circuit Serial Programming) since OTP cannot be reprogrammed; reserve an MCLR pull-up and dedicated ICSPCLK/ICSPDAT pins even if not used in production. The internal 4 MHz RC oscillator calibration register is factory-tuned but may drift over temperature; for timing-sensitive applications use an external crystal. This page synthesizes distributor pricing (as of 2026-09-15), Microchip cross-reference alternatives, and practical design notes not consolidated in the standalone datasheet - useful for engineers evaluating a drop-in replacement or second-source qualification.

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PIC12CE519-04/SN

PIC12CE519-04/SN - 4MHz 8-Bit OTP MCU w/ EEPROM | Microchip

The Microchip PIC12CE519-04/SN is an 8-bit CMOS microcontroller from the PIC12C5xx family, featuring a 4 MHz CPU, 1.5 KB (1K x 12) of One-Time-Programmable (OTP) program memory, 41 bytes of RAM, 6 general-purpose I/O pins, and a 16-byte on-chip EEPROM data memory, all packaged in an 8-pin SOIC (SN) package with a commercial 0C to +70C temperature range. It is built on Microchip's baseline PIC architecture and integrates a 4 MHz internal RC oscillator with programmable calibration, a Power-on Reset (POR), and a Device Reset Timer (DRT) to simplify designs that previously required external oscillators or reset supervisors. What is an 8-bit OTP microcontroller? An 8-bit microcontroller (MCU) is a small computer-on-a-chip with an 8-bit data path, used in embedded applications requiring low cost, low power, and deterministic real-time behavior. OTP (One-Time-Programmable) memory allows the program to be written once and retained indefinitely, which is ideal for high-volume, cost-sensitive end products that do not need firmware updates. Within the broader hierarchy, the PIC12CE519 sits at: 8-bit MCU -> PIC12 baseline -> PIC12C5xx/CE5xx sub-family, used where EEPROM-backed user data storage is required in a tiny SOIC-8 form factor. Key features include 25 mA source/sink per I/O pin (allowing direct LED or small-transistor drive), selectable oscillator modes (internal 4 MHz RC, external RC, external crystal, and low-frequency crystal), an 8-bit timer/counter (TMR0) with an 8-bit prescaler, and a watchdog timer (WDT) with its own on-chip RC oscillator for reliable operation. The integrated 16-byte EEPROM supports up to 1M erase/write cycles, and the device operates from 2.5V to 5.5V across the commercial temperature window. Typical applications include low-cost consumer electronics, simple sensor conditioning, household appliances (toaster/coffee timers), LED lighting controllers, remote control transmitters, IR learning devices, and any low-I/O-count embedded design needing non-volatile user parameters. When replacing legacy 8-bit designs, the 4 MHz instruction rate provides ~1 MIPS, enough to handle keypad scanning, basic PWM, and UART-style bit-banged communication.

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PIC12CE519-04E/P

PIC12CE519-04E/P - 8-bit OTP MCU 1.5KB 4MHz Ext Temp PDIP-8 | Microchip

The Microchip PIC12CE519-04E/P is an 8-bit CMOS one-time programmable (OTP) RISC microcontroller from the PIC12C5xx family, offering 1.5KB (1K x 12) of program memory, 41 bytes of RAM, and 6 digital I/O pins in an 8-pin PDIP through-hole package. It executes instructions at 4MHz (200ns instruction cycle) and operates across an extended industrial temperature range of -40C to +125C from a 3.0V to 5.5V supply, with internal EEPROM emulation supported through the 16-byte EEPROM data area accessible via I/O port reads. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory (ROM/Flash/OTP), timers, and I/O peripherals on one die. The PIC12CE519 belongs to the PIC10/12/16 mid-range family, which sits in Microchip's hierarchy as: 8-bit PIC -> PIC12 family -> PIC12C5xx sub-family. OTP variants are programmed once via MPLAB PM3 or ICD and cannot be reprogrammed, making them ideal for low-cost high-volume embedded products. Key features include a powerful 33-instruction RISC architecture with only 35 single-word instructions, an 8-bit timer/counter (TMR0) with 8-bit programmable prescaler, a watchdog timer with its own on-chip RC oscillator for reliable reset, an internal 4MHz RC oscillator (calibrated), and power-saving Sleep mode with Wake-on-I/O-change. The device also integrates an analog comparator and 4-channel 8-bit ADC for sensor interfacing, all in a compact PDIP-8 footprint. Typical applications include remote control transmitters, sensor nodes, low-end motor control loops, electronic toys and learning kits, battery-powered timers, and small home appliance controllers. The wide extended-temperature rating and 5.5V supply tolerance make it suitable for automotive cabin and industrial sensor applications, where reliable operation in harsh thermal environments is mandatory. When designing with the PIC12CE519-04E/P, observe the OTP programming voltage timing and ensure the MCLR reset circuit uses a 10k pull-up plus optional diode to VDD. The internal RC oscillator provides +/- 1% accuracy after calibration, but critical timing applications should use an external crystal or resonator. Brown-out detection is not present on this baseline variant - pair it with an external supervisor for industrial 24V-bus designs. This page synthesizes distributor pricing as of 2026-09-15, drop-in PIC12 family alternatives from Microchip's portfolio, and practical design notes not consolidated on the manufacturer datasheet front page.

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PIC12CE519-04E/SM

PIC12CE519-04E/SM - 8-bit OTP MCU, 1.5KB, 4MHz | Microchip

The Microchip Technology PIC12CE519-04E/SM is an 8-bit, fully static, OTP-programmable CMOS microcontroller from the PIC12C5xx family, delivering 4 MIPS of throughput at 4 MHz from 41 single-word instructions. It integrates 1.5 KB (1K x 12) of OTP program memory, 41 bytes of RAM, 16 bytes of EEPROM data memory, and six general-purpose I/O pins with 25 mA source/sink capability per pin, all housed in an 8-pin SOIJ (SOIC with J-leads) package. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip built around a CPU, program memory, working RAM, non-volatile data storage, and I/O peripherals. Within the broader semiconductor hierarchy, the PIC12CE519 sits under: 8-bit MCU -> microcontroller -> embedded processor -> integrated circuit. Microchip's PIC architecture is a RISC (Reduced Instruction Set Computer) core using single-word, single-cycle instructions, which simplifies coding while keeping deterministic interrupt latency for real-time control. Key features include a programmable 4 MHz internal RC oscillator (with calibration), four oscillator selection modes, a Watchdog Timer (WDT) with dedicated on-chip RC oscillator for reliable operation, Power-on Reset (POR), Device Reset Timer (DRT), and code protection. The EEPROM data memory supports 1,000,000 erase/write cycles, making the part suitable for storing calibration constants, user preferences, and trim values that must persist across power cycles. The PIC12CE519 uses CMOS technology with a RISC core that executes one instruction per cycle (except branches), giving it predictable timing suitable for bit-banged protocols, timing-sensitive sensor reads, and low-cost glue logic replacement. The 25 mA I/O source/sink capability is significantly above the typical 4-10 mA of comparable 8-bit MCUs, allowing the device to directly drive LEDs, small relays, and logic buffers without external transistors. Typical applications include low-cost consumer appliances, remote control transmitters, sensor signal conditioning, battery-powered toys, and small automation nodes where a full 32-bit MCU would be overkill. The wide operating voltage range (commonly 2.5 V to 5.5 V for the CE5xx family) supports both 3 V coin-cell and 5 V regulated rails. When designing with this part, ensure the in-circuit serial programming (ICSP) pins (GP0/GP1, or similar) are accessible on the PCB for field firmware updates, and add a 0.1 uF decoupling capacitor within 5 mm of the VDD pin. Because the program memory is OTP (one-time programmable), plan firmware revision strategy carefully - use the PIC12F519 (Flash) variant if in-field reprogrammability is required. This page synthesizes distributor pricing, parametric data, drop-in same-package substitutes, and practical engineering guidance drawn from the Microchip datasheet, providing unique value not found in any one distributor product listing.

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PIC12CE519-04E/SN

PIC12CE519-04E/SN - 8-bit 4MHz OTP MCU 1.5KB EPROM 8-SOIC | Microchip

The Microchip Technology PIC12CE519-04E/SN is a low-cost, high-performance 8-bit CMOS microcontroller from the PIC12C5xx family, housed in an 8-pin SOIC package. It integrates an 8-bit RISC CPU core operating at up to 4 MHz, 1.5 KB (1K x 12) of One-Time-Programmable (OTP) program memory, 41 bytes of data RAM, and 16 bytes of EEPROM data memory. The device is designed for compact, low-power embedded control applications where minimal pin count and EEPROM-backed user storage are required. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, program memory, data memory, and I/O peripherals. The PIC12CE519 sits within the hierarchy: 8-bit MCU -> RISC microcontroller -> PIC microcontroller -> Microchip PIC12 family -> PIC12C5xx sub-family -> CMOS embedded controller. Its Harvard RISC architecture executes 33 single-word, single-cycle instructions, simplifying firmware development and reducing code overhead compared to accumulator-based 8-bit designs. Key features include six general-purpose I/O pins with 25 mA source/sink drive capability, internal 4 MHz RC oscillator with programmable calibration, power-on reset (POR), watchdog timer, and an on-chip 16-byte EEPROM data memory that survives power cycling without external storage. Wide operating voltage from 2.5 V to 5.5 V supports both 3.3 V and 5 V rails, and the extended (-40C to +125C) operating temperature range suits industrial and automotive under-hood environments. The PIC12CE519 uses a 14-bit instruction word and Harvard bus architecture, allowing instruction fetch and data access to occur in the same cycle. Power management includes a low-power SLEEP mode, selectable oscillator modes (internal RC, external crystal, and external clock), and a programmable code-protection mechanism that prevents unauthorized firmware readback. Typical applications include consumer appliance controllers, sensor signal conditioning front-ends, LED lighting drivers, automotive body electronics, and low-cost replacement of discrete logic. The PIC12CE519 is often used as a cost-down alternative to larger pin-count MCUs in space-constrained designs. When designing with this device, ensure proper decoupling (100 nF + 10 uF) close to VDD, observe the maximum 25 mA per-pin and 90 mA per-port source/sink budgets, and select the appropriate oscillator mode based on timing accuracy requirements. Program the device using Microchip's MPLAB PM3 or ICD programmers. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the standalone manufacturer datasheet, giving engineers a one-stop procurement and engineering reference.

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PIC12CE519-04I/SM

PIC12CE519-04I/SM - 8-Bit 4MHz 1.5KB OTP MCU SOIJ-8 | Microchip

The Microchip Technology PIC12CE519-04I/SM is an 8-bit, 4 MHz CMOS one-time programmable (OTP) microcontroller from the PIC12C5xx family, packaged in an 8-pin SOIJ (SM) with 1.5 KB of program memory (1K x 12), 41 bytes of RAM, and 6 I/O pins. The device integrates an internal 6-bit (or selectable 4-bit) digital-to-analog converter and on-chip EEPROM data memory, differentiating it from the simpler PIC12C508/509 cousins while retaining the same RISC-style 12-bit instruction core. An 8-bit microcontroller (MCU) is a small computing-on-a-chip that integrates a CPU, non‑volatile program memory, working RAM, and peripheral I/O into a single die; in the broader taxonomy it sits under microcontroller -> embedded controller -> integrated circuit -> semiconductor. The PIC12C5xx family occupies the entry-level tier of Microchip's 8-bit line, optimized for low-cost, low-pin-count applications that still need deterministic execution and a tiny footprint. Key features include 4 MHz maximum operating frequency (200 ns instruction cycle), 33 single-word instructions, 8-bit wide data path, two 8-bit timers, a watchdog timer with on-chip RC oscillator, and a power-on-reset circuit. The device draws roughly 1.8 mA at 5 V / 4 MHz and supports operation from 2.5 V to 5.5 V across the industrial -40 °C to +85 °C temperature range. Architecturally, the PIC12CE519 uses a Harvard RISC core with separate program and data buses, a 14-bit wide instruction word, and a two-stage pipeline that delivers most instructions in a single cycle. The integrated DAC and serial EEPROM emulation logic allow direct analog output without external components, which simplifies bill-of-material cost. Typical applications include appliance control, security sensors, small consumer products, low-end remote controls, and battery-powered accessories where the on-chip DAC and EEPROM are used to trim or store calibration data. Industrial control front-ends that need deterministic timing and minimum component count are also well served by this part. A key design consideration is OTP program memory: code cannot be updated in-circuit, so firmware must be fully validated before programming. Developers should use the JW windowed variant (PIC12CE518/JW or PIC12CE519/JW) for prototyping and migrate to the OTP part once firmware is frozen. This page synthesizes distributor pricing, drop-in same-family and cross-family alternatives, application references, and practical design notes not consolidated in the manufacturer datasheet.

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PIC12CE519-04I/SN

PIC12CE519-04I/SN - 8-Bit OTP MCU, 1.5KB, 4MHz | Microchip

The Microchip Technology PIC12CE519-04I/SN is an 8-bit, RISC-architecture, one-time programmable (OTP) CMOS microcontroller from the PIC12C5xx family, packaged in an 8-pin SOIC (SN) outline with industrial -40C to +85C temperature rating. It integrates a 1.5 KB (1K x 12) OTP program memory, 41 bytes of data RAM, 16 bytes of EEPROM data memory, and 6 general-purpose I/O pins capable of 25 mA source/sink per pin for direct LED or relay drive. The CPU executes one instruction per 200 ns cycle, yielding a 4 MHz instruction throughput from a 4 MHz oscillator input. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and programmable I/O peripherals. The PIC12CE519 sits at the entry-level of the 8-bit MCU hierarchy - below Flash-based PIC12F and PIC16 families - and is intended for high-volume cost-sensitive applications where one-time programmable code is acceptable. Within the power-management hierarchy it is essentially the controller that drives timing, sequencing, and discrete logic functions on a board. Key features include four selectable oscillator options (including an internal 4 MHz RC oscillator with programmable calibration, eliminating the external crystal in many designs), a Watchdog Timer with its own on-chip RC oscillator for reliable operation, Power-On Reset (POR), Device Reset Timer (DRT), code protection, and 1,000,000 erase/write cycle EEPROM endurance on the data side. The Harvard RISC core offers 33 single-word instructions, deterministic interrupt latency, and an 8-bit real-time counter (TMR0) with 8-bit programmable prescaler. Typical applications span simple appliance timers, button-driven LED controllers, single-sensor data loggers, relay sequencers, push-button debouncing, and small-appliance logic replacement of discrete glue logic. The combination of 6 high-current I/Os, on-chip EEPROM for user data, and 35 single-word instructions makes the PIC12CE519 efficient in space-constrained 8-pin designs. When designing with the PIC12CE519, choose between the internal 4 MHz RC oscillator and an external crystal based on timing accuracy requirements - the internal RC drifts more with voltage and temperature but saves two pins and an external resonator. In-system programming is via Microchip's ICSP protocol through the GP0/GP1 pins, so these must remain accessible in the PCB layout. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet - giving engineers a single authoritative reference for sourcing, designing in, and replacing the PIC12CE519-04I/SN.

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PIC12CE519/JW

PIC12CE519/JW - 8-Bit 4MHz 1.5KB EPROM MCU, 8-CDIP Windowed | Microchip

The Microchip Technology PIC12CE519/JW is an 8-bit CMOS RISC microcontroller in the PIC 12C family, packaged in an 8-pin ceramic windowed CDIP (0.300", 7.62mm) designed for through-hole mounting and UV-erasable development. It runs at up to 4MHz, integrates 1.5KB EPROM program memory (1K x 12 words), 41 bytes of RAM, and 16 bytes of EEPROM data memory, providing a compact and inexpensive platform for embedded control. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, RAM, non-volatile program memory, and peripherals on a single die. MCUs sit beneath microprocessors in the computing hierarchy, prioritizing low power, deterministic real-time I/O, and small footprint over raw throughput. The PIC 12C family targets cost-sensitive 6- and 8-pin applications where a tiny RISC core, a minimal instruction set (33 single-word instructions for the PIC12CE519), and very low standby current are more important than memory depth or compute performance. Key features of the PIC12CE519/JW include 4MHz maximum operating frequency, 2.0V-5.5V (or 3.0V-5.5V per the verified data) supply range, six general-purpose I/O pins multiplexed with peripherals, an 8-bit timer/counter, a watchdog timer, an analog comparator, and a programmable weak pull-up on GP0/GP1/GP3. The device also provides an on-chip 4MHz RC oscillator and supports external clock, RC, and XT oscillator modes for application flexibility. Power-managed Sleep mode with multiple wake-up sources reduces quiescent current to microampere levels. The PIC12CE519/JW uses Microchip's Enhanced PIC16C5X core architecture with a 12-bit instruction word, 2-level hardware stack, and direct/indirect addressing modes. The ceramic windowed CDIP package exposes the silicon die for UV erasure, allowing the same physical device to be reprogrammed many times - a feature reserved for development, prototyping, and low-volume engineering builds. Production deployments typically use the one-time-programmable JW or the OTP plastic DIP/SOIC variants for cost reasons. Typical applications include low-cost consumer appliances, sensor interface front-ends, battery-powered remote controls, toys, simple timers, and educational development kits. The integrated EEPROM data memory is useful for storing calibration constants, configuration values, or serial numbers without external non-volatile chips. The 6 GPIO pins are sufficient for driving relays (via transistors), reading switches, or talking to a single UART-style bit-banged peripheral. When designing with this part, note that the JW windowed CDIP variant is functionally identical to the OTP/EPROM PIC12CE519 die - the difference is only the package and erase mechanism. Plan your BOM by reserving JW units for engineering builds and switching to the plastic-DIP PIC12CE519-04/P or SOIC PIC12CE519-04/SM for production to reduce cost. Also confirm the supply voltage range carefully; some PIC12CE519 speed grades (e.g., -04 and -10) differ in minimum Vdd and maximum oscillator frequency. This page synthesizes distributor pricing, drop-in alternatives within the PIC12C/PIC12CE/PIC12F families, and practical design notes not found in the manufacturer datasheet.

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PIC12CE519T-04/SN

PIC12CE519T-04/SN - 8-bit OTP MCU, 1.5KB EPROM, 41B RAM | Microchip

The Microchip PIC12CE519T-04/SN is an 8-bit CMOS RISC microcontroller with 1.5 KB of One-Time Programmable (OTP) EPROM program memory, 41 bytes of RAM data memory, and an integrated 16-byte EEPROM data space, housed in an 8-pin SOIC (SN) package. The 'T' suffix denotes tape-and-reel packaging and the '-04' suffix specifies a 4 MHz maximum clock input, yielding a 1 microsecond instruction cycle. Six general-purpose digital I/O pins, a watchdog timer, an internal 4 MHz RC oscillator, and an on-chip EEPROM make it suited to compact, cost-sensitive embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and peripherals. The PIC12CE519 belongs to Microchip's PIC12C 8-bit baseline family and sits inside the broader taxonomy: 8-bit MCU -> RISC microcontroller -> PIC microcontroller -> embedded processor -> semiconductor. In a typical system hierarchy it operates below a host processor or human-machine interface, handling housekeeping tasks such as sensor sampling, switch debouncing, LED blinking, simple PWM generation, and serial bit-banged communication. Key features include 33 single-word instructions (most are single-cycle at 1 microsecond, branches take two cycles), a 4 MHz external clock input, an on-chip EEPROM for non-volatile data storage, a power-on reset (POR) and brown-out reset, a programmable watchdog timer (WDT) with its own on-chip RC oscillator, and wide operating voltage from 2.5V to 5.5V. These features give designers a tiny, low-pin-count MCU capable of replacing discrete logic in space-constrained products. The integrated EEPROM is the defining difference versus the sibling PIC12C519 - it lets the firmware store calibration values, configuration settings, or usage counters that must survive power cycles. Technically, the device uses a Harvard RISC architecture with separate program and data buses, enabling single-cycle instruction fetch and execution. A two-stage pipeline overlaps fetch and execute, and the 8-bit ALU plus 14-bit instruction word is optimized for compact code density. Peripheral integration is deliberately minimal - GPIO, timer0, watchdog, and EEPROM - to keep die size, cost, and current consumption low. Typical active current is well below 1 mA at 4 MHz, making the part appropriate for battery-powered and always-on auxiliary controllers. Typical applications include appliance control sub-modules (rice cookers, fans, coffee makers), remote control transmitters, sensor interface front-ends, smart LED controllers, battery chargers, automotive interior accessories such as ambient lighting or window controls, and industrial timer or counter modules. The wide 2.5V to 5.5V range supports both 3.3V and 5V rails. The on-chip EEPROM is especially useful for storing user-setpoints, calibration coefficients, or device serial numbers without external memory. A key design consideration is OTP-only program memory: the PIC12CE519T-04/SN cannot be re-programmed in-circuit, so firmware must be validated before device programming and one-time-only programming strategy must be planned. The 41-byte RAM is small - allocate stack and scratchpad carefully, avoid large local buffers, and consider migrating to a flash-based PIC10F or PIC12F part for prototyping before committing to OTP. For development, use the PIC12CE519 with a JW windowed package or a flash-based sibling such as PIC12F519 to iterate firmware quickly. This page synthesizes distributor pricing, drop-in alternatives drawn from Microchip's PIC12C 8-bit family, and practical design notes not consolidated in the manufacturer datasheet.

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PIC12CE519T-04I/SM

PIC12CE519T-04I/SM - 8-bit MCU, 1.5KB OTP, 4MHz, 8-SOIJ | Microchip

The Microchip Technology PIC12CE519T-04I/SM is an 8-bit CMOS one-time-programmable (OTP) microcontroller from the PIC12C5xx family, featuring 1.5KB of program memory (1K x 12), 41 bytes of RAM, 6 I/O pins, and a 4MHz internal oscillator, housed in an 8-pin SOIJ (SM) surface-mount package with industrial temperature range (-40C to +85C). The "T" suffix denotes tape-and-reel packaging, "04" indicates the 4MHz maximum oscillator frequency, "I" marks the industrial temperature grade, and "SM" designates the 8-SOIJ package. A PIC microcontroller (MCU) is a compact, low-power programmable processor built around a RISC (Reduced Instruction Set Computer) architecture. PIC MCUs sit within the broader hierarchy of microcontrollers -> embedded processors -> semiconductors, and the PIC12C5xx series specifically targets space-constrained, cost-sensitive applications where minimal external components and low pin count are critical. Unlike flash-based MCUs, OTP devices are programmed once and cannot be erased, making them ideal for high-volume, fixed-function products. Key features include a 200ns instruction execution time, an 8-bit real-time clock/counter (TMR0) with programmable prescaler, power-on reset (POR), device reset timer (DRT), watchdog timer (WDT) with its own on-chip RC oscillator, programmable code protection, and 1,000,000 erase/write cycle endurance on internal EEPROM. The device supports an operating voltage range of 3.0V to 5.5V typical and consumes very low standby current. The PIC12CE519 employs a RISC-based Harvard architecture with only 33 single-word instructions, simplifying firmware development. Its integrated EEPROM (16 bytes) supports non-volatile data storage, and the internal 4MHz RC oscillator eliminates the need for an external crystal in many designs, reducing BOM cost and PCB area. The 6 GPIO pins can be individually configured for digital I/O. Typical applications include consumer electronics (remote controls, toys), appliance controls, LED lighting controllers, sensor signal conditioning, battery-powered devices, and low-cost replacement of discrete logic. The SOIJ-8 footprint suits compact handheld products. When designing with this MCU, note that OTP memory cannot be reprogrammed in-circuit - firmware bugs require board replacement. Ensure the internal RC oscillator accuracy meets timing requirements, or budget for an external clock source. This page synthesizes distributor pricing, drop-in alternative inventory, and practical design guidance for the PIC12CE519T-04I/SM beyond what the manufacturer datasheet alone provides.

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PIC12CE673-04/P

PIC12CE673-04/P - 8-bit 4MHz MCU, 1.75KB OTP, 8-PDIP | Microchip

The Microchip Technology PIC12CE673-04/P is an 8-bit CMOS RISC microcontroller built around Microchip's PIC architecture, packaged in an 8-pin PDIP through-hole package and rated for a maximum 4 MHz oscillator input (400 ns instruction cycle). It integrates 1.75 KB (1K x 14) of one-time-programmable (OTP) program memory, 128 bytes of data RAM, 16 bytes of EEPROM data memory, a 4-channel 8-bit A/D converter, and 5 digital I/O pins plus 1 input-only pin. Operating speed is 4 MHz at -04 speed grade, and the device supports 35 single-word instructions. An 8-bit microcontroller (MCU) is a small, self-contained computing element that executes a reduced instruction set on 8-bit-wide data; it sits inside the broader taxonomy of microcontrollers -> embedded processors -> semiconductors. The PIC12C67X/CE67X family specifically targets cost- and pin-constrained applications where a tiny footprint, low part count, and integrated analog peripherals remove the need for external components. This product belongs to Microchip's classic PIC12 baseline/mid-range family. Key features of the PIC12CE673-04/P include 1.75 KB OTP program memory, 128 bytes RAM, 16 bytes EEPROM, a 4-channel 8-bit A/D converter, a watchdog timer with its own on-chip RC oscillator, an 8-bit timer/counter with programmable prescaler, and an internal 4 MHz RC oscillator option that can eliminate the external crystal. Power-saving SLEEP mode and an MCLR reset pin round out the feature set. Architecturally, the PIC12CE673-04/P uses a Harvard RISC core with separate program and data buses; instructions are fetched in parallel with operand reads, which gives deterministic 400 ns instruction execution at 10 MHz (or 1 us at 4 MHz for the -04 grade). CMOS static design allows the clock to be stopped without losing register contents, enabling ultra-low standby current in SLEEP mode. Typical applications include appliance controls, battery chargers, sensor-interface modules, simple security keypads, and any low-cost embedded product where a full MCU is overkill but a few discrete logic chips cannot deliver the required functionality. Microchip recommends considering PIC12F675 as a newer-generation migration path with Flash memory and enhanced peripherals. When designing with this part, note that the -04 speed grade limits the oscillator input to 4 MHz; for higher throughput the -10 variant is required. The OTP program memory cannot be reprogrammed in-circuit, so firmware must be fully validated before commitment to production. This page synthesizes current distributor pricing, drop-in alternatives within the same PDIP-8 footprint, and practical design notes not consolidated in the manufacturer datasheet, providing unique procurement and engineering value for sourcing teams.

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PIC12CE673-10/P

PIC12CE673-10/P - 8-Bit CMOS MCU, 1.75KB OTP, 8-PDIP | Microchip

The Microchip Technology PIC12CE673-10/P is an 8-bit, 8-pin CMOS OTP (One-Time-Programmable) microcontroller in a PDIP-8 (0.300 inch / 7.62 mm) through-hole package, integrating 1.75 KB of EPROM program memory, 128 bytes of SRAM data memory, 64 bytes of EEPROM, and a 4-channel 8-bit A/D converter. It operates at up to 10 MHz clock and supports instruction execution in as little as 400 ns, drawing microamp-level supply current for low-power embedded designs. Background: An 8-bit microcontroller is a single-chip computer that integrates a CPU, program memory, data memory, peripherals, and I/O on one die. The PIC12CE673 family belongs to Microchip's PIC12 mid-range architecture, sitting at the small end of the PIC microcontrollers (MCU > microcontroller > embedded controller > semiconductor). These devices are widely used in cost-sensitive, pin-constrained applications because they combine a RISC instruction set (only 35 single-word instructions in this family) with rich analog integration. Key features include six I/O pins multiplexed with the A/D converter, an on-chip 4 MHz internal oscillator option, an analog comparator, a watchdog timer with on-chip RC oscillator, an 8-bit timer/counter, and a power-on reset circuit. The internal EPROM program memory is one-time programmable, which makes this part ideal for low-cost production volumes where firmware is finalized at manufacturing time. The PIC12CE673-10/P uses a 14-bit instruction word and Harvard architecture with separate program and data buses, allowing simultaneous access and reducing latency. Its CMOS process yields typical active current around 2 mA at 5 V / 4 MHz and standby current below 1 uA, enabling battery-friendly designs. The 10 MHz speed grade (the "-10" suffix) supports a 10 MHz external clock or the equivalent 4 MHz internal oscillator with PLL configuration. Typical applications include small appliance control, sensor signal conditioning with on-chip ADC, remote-control transmitters, simple LED drivers, low-end battery-powered instrumentation, and hobby/educational platforms. Its 8-pin footprint makes it well suited to retrofit designs and breadboard-friendly prototyping. When designing with this device, allocate sufficient decoupling (100 nF + 10 uF) close to VDD and reserve GP3/MCLR for programming and reset. For new designs, Microchip recommends the pin-compatible PIC12F675 flash variant; the PIC12CE673 is being phased out in favor of flash-based successors with re-programmability. This page synthesizes distributor pricing, verified same-brand drop-in alternatives, and practical design notes drawn from the PIC12CE67X datasheet family.

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PIC12CE673-10E/P

PIC12CE673-10E/P - 8-bit MCU 1.75KB OTP 6 I/O PDIP-8 | Microchip

The Microchip Technology PIC12CE673-10E/P is an 8-bit RISC CMOS microcontroller in the PIC12C family with 1.75KB (1K x 14) of One-Time-Programmable (OTP) program memory, 128 bytes of RAM, an integrated 128-byte EEPROM data memory, a 4-channel 8-bit A/D converter, and 6 I/O pins, housed in an 8-pin PDIP through-hole package. The device executes instructions in 400 ns (10 MHz oscillator) using only 35 single-word instructions, making it one of the simplest 8-bit microcontrollers in Microchip's PIC12C lineup for cost-sensitive embedded control. It operates across an industrial/extended temperature range of -40C to +125C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, I/O peripherals, and timers on a single die. The PIC12CE673 belongs to the PIC12C family of baseline/ mid-range 8-bit microcontrollers, sits within the broader 8-bit microcontroller category, and is a member of the Microchip PIC microcontroller family. Microcontrollers are a sub-class of microprocessors and a fundamental building block of embedded systems, used wherever low-power, deterministic, real-time control is required. Key features of the PIC12CE673-10E/P include integrated EEPROM data memory (rare on OTP PIC12C devices), a 4-channel 8-bit ADC for direct sensor interfacing, an internal RC oscillator option to reduce external component count, a watchdog timer for reliable unattended operation, and power-on-reset plus brown-out detect for robust startup. The 10 MHz operating frequency yields a 400 ns instruction cycle suitable for control loops and simple serial protocols. Architecturally, the PIC12CE673 uses a Harvard RISC core with separate program and data buses, 8-bit data path, and a 14-bit instruction word. The integrated EEPROM provides byte-erasable non-volatile storage distinct from OTP program memory, enabling field-configurable calibration constants or serial numbers. Typical applications include sensor signal conditioning, battery chargers, small appliance controls, automotive body electronics (where the extended temperature grade is required), and any low-cost A/D-converter-equipped control node. Engineers pick the PIC12CE673-10E/P when they need EEPROM and ADC in the smallest 8-pin footprint with industrial temperature support. When designing with this part, observe that OTP program memory cannot be re-programmed in-circuit - prototype with the windowed CERDIP version (PIC12CE673-10E/JW) or use a flash PIC12F675 for development. The 6 I/O pins are shared with ADC inputs and the MCLR reset function, so plan pin allocation carefully. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on a single manufacturer product page or datasheet summary.

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PIC12CE674-04/P

PIC12CE674-04/P - 8-Bit 4MHz OTP MCU, 3.5KB | Microchip

The Microchip Technology PIC12CE674-04/P is an 8-bit CMOS OTP-based PIC microcontroller featuring the PIC12 mid-range core, 3.5KB (2K x 14) of One-Time-Programmable program memory, 128 bytes of RAM, and 16 bytes of EEPROM data memory, packaged in an 8-pin PDIP through-hole enclosure. It executes instructions at a 400 ns cycle time from a 4 MHz internal clock and integrates a 4-channel 8-bit analog-to-digital converter alongside five general-purpose I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/Flash/OTP), data memory (RAM), peripherals, and I/O on one die; the PIC12C/CE67x family specifically belongs to Microchip's 8-bit PIC RISC architecture hierarchy (PIC10/12/16/18 -> 8-bit PIC -> PIC microcontroller -> embedded computing). This part is a member of the low-pin-count, low-cost OTP MCU category targeting high-volume cost-sensitive embedded designs that do not require in-system reprogrammability. Key features include a 35-instruction RISC instruction set with single-cycle execution (400 ns at 4 MHz) for deterministic throughput, an integrated 8-bit ADC with four input channels, 16 bytes of EEPROM for non-volatile parameter storage across power cycles, an internal 4 MHz RC oscillator eliminating external clock components, and a wide 2.5 V to 5.5 V supply range supporting both 3.3 V and 5 V system rails. Watchdog timer, power-on reset, and brown-out detection enhance field reliability. The PIC12CE674 utilizes the enhanced mid-range 14-bit instruction word architecture with a 33 to 35 instruction set, an 8-level hardware stack, and direct/indirect addressing modes. The OTP program memory is one-time programmable, making the part well suited for mature firmware in mass-production runs where code stability is established. The device's CMOS static design allows clock speeds down to DC for ultra-low-power sleep states. Typical applications include low-cost consumer appliance controls, sensor signal conditioning front-ends, simple LED lighting controllers, battery-powered handheld instruments, and replacement of discrete logic in space-constrained designs. The small 8-pin footprint and integrated ADC suit applications that need basic intelligence without a large pin count or DSP horsepower. A key design consideration: because this is an OTP device, firmware must be fully validated on a windowed or Flash equivalent (e.g., PIC12F675) before committing to the PIC12CE674 for production. The 5 I/O pins must be carefully allocated between ADC inputs, digital I/O, and the MCLR/reset function. This page synthesizes verified distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC12CE674-04E/P

PIC12CE674-04E/P - 8-Bit 4MHz OTP MCU 3.5KB Flash | Microchip

The Microchip Technology PIC12CE674-04E/P is an 8-bit CMOS OTP (One-Time Programmable) RISC microcontroller built on the PIC12C family core, integrating 3.5KB (2K x 14 words) of program memory, 128 bytes of SRAM, and 16 bytes of non-volatile EEPROM data memory in an 8-pin PDIP through-hole package. It operates from a 4 MHz internal clock (the "-04" speed grade) and executes instructions in a single 400 ns cycle (excluding program branches which take two cycles), giving 5 MIPS peak throughput from its 35 single-word instruction RISC set. The extended "CE" variant adds an integrated 4-channel 8-bit Analog-to-Digital Converter plus an on-chip serial EEPROM interface. A PIC microcontroller (Programmable Intelligent Computer, or Peripheral Interface Controller) is a class of 8/16/32-bit RISC microcontrollers built on a Harvard architecture - separate program and data buses - that became the de-facto standard for low-pin-count embedded control. The PIC12 family sits at the entry level of Microchip's PIC line (PIC10/12/16/18 hierarchy, scaling up to PIC24/dsPIC and PIC32), prioritizing small package count, low cost, and deterministic interrupt response over raw compute. Within the PIC12 family, the "CE" sub-family specifically adds EEPROM data memory on-chip for parameter storage in user-reprogrammable applications. Key features of this part include: 6 general-purpose I/O pins multiplexed with ADC inputs and the MCLR/reset function, an 8-bit timer/counter (TMR0) with an 8-bit prescaler, a watchdog timer with its own on-chip RC oscillator for reliable resets, an internal 4 MHz RC oscillator (plus an optional external oscillator), and in-circuit serial programming (ICSP) capability via two pins. The four ADC channels share the I/O pins and offer 8-bit resolution. Architecturally, the device uses a 14-bit instruction word and an 8-bit data path with a two-stage pipeline, allowing most instructions to complete in one oscillator cycle. The OTP program memory is one-time programmable but supports field updates via ICSP for prototypes and small production runs. Power management features include a power-on reset, brown-out detection, and a SLEEP mode that drops current to sub-microamp levels. Typical applications include low-cost sensor interfaces, appliance controls, LED lighting controllers, automotive body electronics (under-the-hood sensors), battery chargers, and replacement of discrete logic in 8-pin designs. The integrated ADC and EEPROM make it especially well suited to small-signal analog acquisition with non-volatile calibration storage. When designing with this MCU, the "E" suffix denotes the extended (-40C to +125C) industrial operating temperature range, which is essential for automotive and outdoor deployments. The OTP program memory requires in-system programming via ICSP - code cannot be erased and rewritten like Flash - so provision a programming header and pre-test all firmware on a Flash-equivalent development device before committing code to OTP production units. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet, optimized for engineers evaluating the PIC12CE674-04E/P for new designs and legacy support.

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PIC12CE674-10/P

PIC12CE674-10/P - 8-Bit 10MHz OTP MCU w/ 3.5KB | Microchip

The Microchip Technology PIC12CE674-10/P is an 8-bit CMOS OTP-based microcontroller that delivers 400 ns instruction execution in a compact 8-pin PDIP package. It features a 10 MHz maximum clock, 3.5 KB (2K x 14) of One-Time-Programmable program memory, 128 bytes of RAM, and 16 bytes of EEPROM data memory. The integrated 4-channel 8-bit Analog-to-Digital converter and onboard EEPROM distinguish it from the sibling PIC12C672, which lacks EEPROM. This part number carries the "/P" suffix denoting the through-hole 8-pin PDIP package. An OTP microcontroller (One-Time-Programmable) is a category of non-volatile microcontrollers where the program memory can be written exactly once after manufacture, using a programmer device. The PIC12CE674 belongs to the PIC12 family of microcontrollers, which sits within the broader PIC mid-range x14 architecture, and ultimately within the microcontroller (MCU) -> embedded controller -> semiconductor device taxonomy. OTP MCUs are favored for low-cost, high-volume products where firmware is finalized before production and field re-programmability is not required. Key features include 35 single-word instructions, an internal 4 MHz RC oscillator (the "-10" speed grade also supports 10 MHz external clock), 6 I/O pins, a wide 3.0 V to 5.5 V operating voltage range, and a watchdog timer with its own on-chip RC oscillator. The PIC architecture's RISC-like instruction set allows most instructions to execute in a single instruction cycle, giving effective throughput of roughly 5 MIPS at 10 MHz. The 8-pin PDIP form factor is fully compatible with through-hole hobbyist, prototyping, and legacy industrial designs. This device integrates CMOS Flash/OTP technology with Microchip's mid-range 14-bit instruction word, providing deterministic interrupt latency, hardware stack, and direct LED-driving capability on GPIO pins. The 4-channel 8-bit ADC handles simple sensor reads, while the 16-byte EEPROM offers small non-volatile parameter storage (e.g., calibration or configuration) without external memory ICs. Internal oscillator options further reduce BOM cost by eliminating external crystals in many designs. Typical applications include low-cost consumer appliances, sensor signal conditioning front-ends, simple LED controllers, automotive body electronics modules, battery chargers, and replacement of discrete logic in cost-sensitive designs. The wide 3.0 V to 5.5 V supply range allows direct connection to 3.3 V or 5 V rails, and the -40 °C to +85 °C commercial operating range covers most non-automotive environments. When designing with this device, evaluate whether OTP or Flash-based memory fits your lifecycle. For prototyping and field updates, the PIC12F683 (Flash) is a closer functional drop-in within the same 8-pin footprint. For volume production where firmware is locked, PIC12CE674-10/P remains a cost-optimized choice. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the same PIC12 family, and practical design notes not found in the manufacturer datasheet. Octopart and DigiKey availability data were normalized as of 2026-09-15.

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PIC12CE674-10E/P

PIC12CE674-10E/P - 8-bit MCU 3.5KB OTP 128B RAM | Microchip

The Microchip Technology PIC12CE674-10E/P is an 8-bit RISC CMOS microcontroller built on Microchip's PIC12 architecture, offered in an 8-pin PDIP through-hole package with 10 MHz maximum clock frequency, 3.5 KB (2K x 14) One-Time-Programmable (OTP) program memory, 128 bytes of SRAM, 16 bytes of data EEPROM, and 4 channels of 8-bit Analog-to-Digital conversion. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and configurable peripheral I/O on one die. Within the broader taxonomy, 8-bit MCUs sit under microcontroller -> embedded processor -> semiconductor. The PIC12CExxx family occupies the smallest-footprint 8-bit niche: 8-pin packages with built-in ADC and, in the 'CE' variants, on-chip EEPROM data memory. Key features of the PIC12CE674 include 5 I/O pins (GP0-GP5 shared with MCLR on GP5), 35 single-word instructions executed in 400 ns (10 MHz), internal 4 MHz RC oscillator option, watchdog timer with on-chip RC oscillator, programmable code protection, and an industrial/automotive operating temperature grade (the '-10E' suffix indicates the 10 MHz speed grade with extended temperature range). It is pin-compatible with the smaller PIC12C672/673 family members, allowing code to scale up when more memory is required. Architecturally, the PIC12CE674 uses a Harvard RISC core with separate program and data buses, a 14-bit instruction word, and a single hardware accumulator (working register). The integrated 16-byte EEPROM is accessed through a register-mapped SFR interface and supports up to 1 million erase/write cycles per Microchip documentation, making it suitable for user-configurable settings stored across power cycles. Typical applications include low-cost sensor signal conditioners, single-channel data loggers, automotive body controllers and appliance front panels, low-end LED drivers with PWM, smart-battery chargers, and replacement of discrete logic gates on legacy boards. The wide operating range also makes it a candidate for industrial white goods and consumer remote-control devices. When designing with the PIC12CE674, note that the 8-pin PDIP is the most PCB-friendly variant for hand-soldered prototypes; the SOIC-8 (-SN) or DFN (-MF) surface-mount packages are preferred for high-volume production. The internal RC oscillator reduces BOM cost but trades frequency accuracy (typically +/-1-2%) against the precision of an external crystal. This page synthesizes the Verified Web Data, Microchip PIC12CE674 datasheet specifications, parametric proximity to drop-in alternatives in the Site MPN list, and practical design notes for embedded engineers designing around the PIC12CExxx 8-pin OTP family.

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PIC12CE674-10I/P

PIC12CE674-10I/P - 8-Pin 8-Bit CMOS MCU with ADC & EEPROM

The Microchip Technology PIC12CE674-10I/P is an 8-bit CMOS OTP microcontroller housed in an 8-pin PDIP (DIP-8) through-hole package, integrating 3.5KB (2K x 14) of OTP program memory, 128 bytes of RAM, 16 bytes of EEPROM data memory, and a 4-channel 8-bit A/D converter. It is a member of the PIC12C67x family, operates from 3.0V to 5.5V, and runs at a maximum clock frequency of 10 MHz (4 MHz internal oscillator). The "-10" speed suffix denotes the 10 MHz maximum oscillator frequency, while the "I" indicates the industrial -40C to +85C temperature grade. An 8-bit microcontroller (MCU) is a microprocessor-integrated circuit that combines a CPU, memory (ROM/RAM), and peripherals on a single die. The PIC12CE674 falls within the hierarchy: 8-bit microcontroller -> RISC microcontroller -> embedded controller -> semiconductor. Its 35 single-word instruction RISC architecture delivers deterministic 400 ns instruction execution, while the integrated EEPROM provides non-volatile data storage for calibration, configuration, or user-set parameters. Key features of the PIC12CE674 include four 8-bit ADC channels, four I/O pins with individual direction control, an internal 4 MHz RC oscillator (selectable with external oscillator), an MCLR reset input, and a watchdog timer with its own on-chip RC oscillator for reliable operation. The device draws very low operating current, with typical values in the low milliamp range at 5V and microamp sleep currents. The PIC12CE674 uses Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access. Its 14-bit instruction word enables compact code density, and the 8-level deep hardware stack simplifies interrupt handling and subroutine calls. The integrated A/D converter uses successive approximation with analog input multiplexing across GP0-GP3 pins. Typical applications include battery chargers, sensor signal conditioning, smart cards, security systems, and small appliance controllers where pin count, cost, and integrated EEPROM and ADC are critical. In automotive body electronics, industrial process control, and consumer devices, the PIC12CE674 provides a compact 8-pin solution with non-volatile parameter storage. When designing with the PIC12CE674, ensure the oscillator configuration matches the application; the internal 4 MHz RC simplifies designs but allows less precision than a crystal. For EEPROM write endurance of 1M cycles typical, implement wear-leveling if frequent parameter updates are required. This page synthesizes distributor pricing, drop-in PIC12C67x/PIC12CE67x same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC12CE674/JW

PIC12CE674/JW - 8-Bit 10MHz MCU, 3.5KB EPROM/UV, 8-CDIP Window | Microchip

The Microchip Technology PIC12CE674/JW is an 8-bit CMOS RISC microcontroller in the PIC® 12C family, packaged in an 8-pin CERDIP (CDIP) windowed package that allows UV erasure of the on-chip program memory. It integrates 3.5 KB (2K × 14) of One-Time-Programmable EPROM, 128 bytes of SRAM, 16 bytes of EEPROM data memory, and a 4-channel 8-bit A/D converter. The device executes instructions in 400 ns at 10 MHz and contains only 35 single-word instructions, making it simple to program in assembly or C. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory, data memory, and peripherals on one die. Within that taxonomy, the PIC12CE674/JW sits in the 8-bit OTP/EPROM microcontroller category, between the simpler PIC10 and PIC12C508/509 base families and the more capable PIC16 mid-range line. It is designed for low-cost, low-pin-count control tasks where a small amount of self-modifying data memory (EEPROM) and analog sensing (A/D) are required without scaling up to a 14- or 20-pin device. Key features include 5 general-purpose digital I/O pins, 4 multiplexed 8-bit ADC channels with 8-bit resolution, internal 4 MHz RC oscillator option, an external oscillator pin pair, power-on reset, watchdog timer with its own on-chip RC oscillator, and code-protection circuitry. The CDIP/JW (windowed) package is intended for engineering development and prototype validation because the quartz window permits UV erasure and re-programming of the EPROM, while non-windowed plastic DIP and SOIC variants are used for production. Architecturally the part is built on a 14-bit instruction-word Harvard RISC core, allowing most instructions to complete in one instruction cycle (4 clock periods) and yielding predictable real-time behavior. The 8-bit accumulator-based ALU, 8-level hardware stack, and direct/indirect addressing modes provide a flat programming environment, while the integrated 16-byte EEPROM offers non-volatile storage for user data such as calibration constants or serial numbers without external memory. Typical applications include appliance control, sensor signal conditioning with on-chip ADC, simple closed-loop fan or motor speed control, security and access peripherals, and battery chargers. Designers also use it as a glue logic replacement for discrete 74-series TTL in legacy industrial controllers where 5 V tolerance and EPROM-based firmware are still favored. When designing with this part, note the 0°C to +70°C commercial temperature grade, the 3.0 V to 5.5 V operating range, and that the JW windowed package costs more than the OTP-only /P or /SM production parts. Always program using a Microchip MPLAB-supported device programmer and ensure the EPROM is fully UV-erased before re-programming to avoid bit-stuck errors. This page synthesizes distributor pricing, drop-in alternatives, comparison parameters, and practical design notes not found in the manufacturer datasheet alone.

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PIC12F1501-E/MC

PIC12F1501-E/MC - 8-bit MCU, 1.75KB Flash, 20MHz, 8-DFN | Microchip

The Microchip Technology PIC12F1501-E/MC is an 8-bit PIC microcontroller featuring a 20MHz internal oscillator, 1.75KB (1K x 14) of Flash program memory, 64 bytes of RAM, and 6 I/O pins in an 8-pin DFN (2x3 mm) surface-mount package. It integrates a 10-bit ADC, four 10-bit PWM channels, and Core Independent Peripherals (CIPs) such as the Configurable Logic Cell (CLC) and Numerically Controlled Oscillator (NCO), enabling complex functions without CPU intervention. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, program memory (typically Flash), data RAM, and peripheral interfaces onto a single silicon die. The PIC12F1501 belongs to the PIC12 family of low-pin-count MCUs, a subcategory of 8-bit microcontrollers that target cost-sensitive, space-constrained embedded applications. Within the broader hierarchy, this places it as an MCU -> embedded processor -> semiconductor device, competing directly with other 8-bit families such as the Atmel AVR ATtiny and the STMicroelectronics STM8 series. The PIC12F1501-E/MC's key differentiating features include its high-performance RISC architecture executing most instructions in a single cycle, a wide operating voltage range of 1.8V to 5.5V (per the family datasheet), and an extended temperature grade (-40°C to +125°C) denoted by the 'E' prefix. The integrated Complementary Waveform Generator (CWG), Signal Measurement Timer (SMT), and 10-bit ADC with Computation (ADC²) automate hardware tasks commonly requiring CPU cycles on older MCUs. The 8-pin DFN package offers a compact 2x3 mm footprint suitable for high-density PCB designs. Programming and debug are supported through Microchip's MPLAB X IDE, MPLAB XC8 compiler, and PICkit 3 / MPLAB ICD 3 / Curiosity development platforms. The device is well suited for consumer electronics, IoT edge nodes, LED lighting control, and small sensor-interface modules. Design considerations include adequate decoupling near VDD, ensuring the ICSPDAT/ICSPCLK pins are accessible for in-circuit programming, and using the internal oscillator to minimize external component count.

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PIC12F1501-E/MS

PIC12F1501-E/MS - 8-bit MCU, 1.75KB Flash, 20MHz, 8-MSOP | Microchip

The Microchip Technology PIC12F1501-E/MS is an 8-bit PIC microcontroller in an 8-pin MSOP package with 1.75 KB (1K x 14) of Flash program memory, 64 bytes of RAM, and a 20 MHz internal oscillator. It features a 10-bit ADC with up to 4 channels, a Configurable Logic Cell (CLC), a Numerically Controlled Oscillator (NCO), and enhanced mid-range core peripherals in a compact 3 x 3 mm MSOP form factor. A PIC microcontroller (Programmable Interface Controller) is a family of 8-bit RISC-based microcontrollers built on Harvard architecture, widely used in embedded control applications ranging from simple blinking-LED designs to industrial sensor interfaces and battery-powered IoT endpoints. Within the broader taxonomy, the PIC12F1501 sits at the entry-level: PIC12 family -> 8-bit PIC -> microcontroller (MCU) -> embedded processor -> semiconductor device. It is part of the enhanced mid-range PIC12F family offering nanoWatt XLP technology for low-power operation. Key features of the PIC12F1501-E/MS include 6 I/O pins, brown-out detect and power-on reset, PWM module, watchdog timer, and a wide 2.5V to 5.5V operating voltage range. The device includes a 10-bit ADC capable of up to 4 input channels and a CLC peripheral that allows hardware logic customization outside the CPU core, enabling reduced BOM cost in timer-driven designs. Architecturally, the PIC12F1501 uses an enhanced mid-range 8-bit RISC core with 49 instructions and a 200 ns instruction execution time at 20 MHz, providing deterministic interrupt response. The internal 16 MHz high-precision oscillator (calibrated to +/-1%) eliminates the need for an external crystal in most designs. NanoWatt XLP sleep currents extend battery life in duty-cycled sensor applications. Typical applications for the PIC12F1501-E/MS include low-cost LED drivers, household appliance controls, battery chargers, sensor signal conditioning, and small consumer gadgets. Designers value this MCU for compact PCB layouts where only a few I/O are needed but accurate ADC and PWM functionality are essential. When designing with this MCU, ensure decoupling capacitors are placed close to VDD (pin 1) and VSS (pin 8), and use the internal oscillator unless timing accuracy requires an external crystal. The ICSP programming interface pins (ICSPCLK/ICSPDAT) should be brought out to a header for in-circuit programming and debugging. This page synthesizes distributor pricing, drop-in alternatives sourced from the Microchip same-family lineup, and practical design notes not found in the manufacturer datasheet to accelerate your component selection and PCB layout.

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PIC12F1501-E/P

PIC12F1501-E/P - 8-bit MCU 1.75KB Flash 64B RAM | Microchip

The Microchip Technology PIC12F1501-E/P is an 8-bit enhanced mid-range PIC microcontroller featuring 1.75 KB of Flash program memory, 64 bytes of SRAM, and a 10-bit ADC with up to 4 channels, packaged in an 8-pin PDIP through-hole format. The part operates at up to 20 MHz internal oscillator and supports a 2.5V to 5.5V supply voltage range, making it suitable for both 3.3V and 5V embedded designs. Per the Microchip product page, the device is in active production and integrates the Configurable Logic Cell (CLC) and Numerically Controlled Oscillator (NCO) peripherals for advanced timerless and logic functions. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor that executes single-cycle instructions from Flash memory, typically offering deterministic interrupt response and low power consumption. In the system hierarchy, an MCU such as the PIC12F1501 sits below application processors and FPGAs but above pure digital logic, integrating CPU core, program memory, data memory, peripherals (ADC, timers, PWM, CLC), and I/O into a single IC. This integration lets designers replace dozens of discrete logic gates with a single programmable device, reducing BOM cost, board area, and power budget. Key features include 6 general-purpose I/O pins, hardware CLC for combinatorial logic without CPU intervention, NCO for high-resolution frequency generation, and a 10-bit ADC with computation capabilities. The Enhanced Mid-Range core provides 49 instructions, 16-level hardware stack, and interrupt context auto-save for fast deterministic response in motor control and signal conditioning. The PIC12F1501 architecture combines an 8-bit RISC CPU with on-chip Flash, EEPROM emulation in Flash, and a rich analog/digital peripheral set. Peripherals include a 10-bit ADC, 5-/8-/16-bit timers, enhanced PWM, CLC, NCO, and EUSART. With internal oscillator accuracy of +/-1 percent typical, designs can omit external crystals in many applications. The device consumes microamp-range sleep current, making it suitable for battery-powered IoT nodes. Typical applications include consumer appliance control, sensor signal conditioning, LED lighting control, small motor drives (PWM-driven), and battery-powered IoT endpoints. The 8-pin PDIP format simplifies breadboard prototyping and hobbyist learning platforms, while still offering modern peripherals like CLC and NCO that reduce external component count. When designing with this device, choose the -E (extended) temperature grade for -40C to +125C industrial operation; the -I grade only covers -40C to +85C. Use Microchip's MPLAB X IDE with XC8 compiler for development; the PICkit 3 or MPLAB ICD 3 programmers/debuggers are recommended for in-circuit debug via the ICSP header. This page synthesizes distributor pricing, drop-in alternatives from the PIC12F family, and practical design notes not found in the manufacturer datasheet alone, giving engineers a faster selection path for low-pin-count 8-bit embedded designs.

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PIC12CE518T-04I/SN - 8-bit 4MHz OTP MCU 768B w/EEPROM | Microchip

PIC12CE519-04/P - 8-Bit 4MHz OTP MCU, 1.5KB, 8-PDIP | Microchip

PIC12CE519-04/SM - 8-Bit 4MHz OTP MCU with EEPROM | Microchip

PIC12CE519-04/SN - 4MHz 8-Bit OTP MCU w/ EEPROM | Microchip

PIC12CE519-04E/P - 8-bit OTP MCU 1.5KB 4MHz Ext Temp PDIP-8 | Microchip

PIC12CE519-04E/SM - 8-bit OTP MCU, 1.5KB, 4MHz | Microchip

PIC12CE519-04E/SN - 8-bit 4MHz OTP MCU 1.5KB EPROM 8-SOIC | Microchip

PIC12CE519-04I/SM - 8-Bit 4MHz 1.5KB OTP MCU SOIJ-8 | Microchip

PIC12CE519-04I/SN - 8-Bit OTP MCU, 1.5KB, 4MHz | Microchip

PIC12CE519/JW - 8-Bit 4MHz 1.5KB EPROM MCU, 8-CDIP Windowed | Microchip

PIC12CE519T-04/SN - 8-bit OTP MCU, 1.5KB EPROM, 41B RAM | Microchip

PIC12CE519T-04I/SM - 8-bit MCU, 1.5KB OTP, 4MHz, 8-SOIJ | Microchip

PIC12CE673-04/P - 8-bit 4MHz MCU, 1.75KB OTP, 8-PDIP | Microchip

PIC12CE673-10/P - 8-Bit CMOS MCU, 1.75KB OTP, 8-PDIP | Microchip

PIC12CE673-10E/P - 8-bit MCU 1.75KB OTP 6 I/O PDIP-8 | Microchip

PIC12CE674-04/P - 8-Bit 4MHz OTP MCU, 3.5KB | Microchip

PIC12CE674-04E/P - 8-Bit 4MHz OTP MCU 3.5KB Flash | Microchip

PIC12CE674-10/P - 8-Bit 10MHz OTP MCU w/ 3.5KB | Microchip

PIC12CE674-10E/P - 8-bit MCU 3.5KB OTP 128B RAM | Microchip

PIC12CE674-10I/P - 8-Pin 8-Bit CMOS MCU with ADC & EEPROM

PIC12CE674/JW - 8-Bit 10MHz MCU, 3.5KB EPROM/UV, 8-CDIP Window | Microchip

PIC12F1501-E/MC - 8-bit MCU, 1.75KB Flash, 20MHz, 8-DFN | Microchip

PIC12F1501-E/MS - 8-bit MCU, 1.75KB Flash, 20MHz, 8-MSOP | Microchip

PIC12F1501-E/P - 8-bit MCU 1.75KB Flash 64B RAM | Microchip