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PIC10F322T-I/MC - 8-bit MCU, 896B Flash, 16MHz, 8-DFN | Microchip
PIC10F322T-I/MC

PIC10F322T-I/MC - 8-bit MCU, 896B Flash, 16MHz, 8-DFN | Microchip

The Microchip Technology PIC10F322T-I/MC is an 8-bit PIC microcontroller built on the mid-range 14-bit instruction set architecture, delivering 16 MIPS performance at 16 MHz from a supply voltage of 2.3 V to 5.5 V, housed in an 8-pin DFN (MC) 2x3 mm exposed-pad surface-mount package. It integrates 896 bytes of Flash program memory, 64 bytes of RAM, a 10-bit 8-channel ADC, two PWM modules, configurable logic cells (CLC), a numerically controlled oscillator (NCO), a complementary waveform generator (CWG), and a temperature indicator. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a set of peripherals such as timers, ADCs, and communication interfaces onto one die. The PIC10F family represents the lowest pin-count tier of Microchip's PIC microcontroller portfolio, targeting applications where board area, BOM cost, and simplicity outweigh the need for processing throughput. Within the broader semiconductor taxonomy, an MCU sits under microprocessor (MPU) -> microcontroller -> 8-bit microcontroller -> PIC mid-range family. Key differentiating features include Core Independent Peripherals (CIPs) such as CLC, NCO, and CWG that allow complex signal generation and timing without CPU intervention, freeing the 8-bit core for application logic. The device offers four general-purpose I/O pins, an internal 16 MHz high-speed oscillator with ±1% accuracy, and a power-on reset with brown-out detect. The integrated temperature indicator provides die-temperature monitoring for thermal protection and calibration tasks. The 8-bit ADC supports up to 8 channels with 10-bit resolution. Typical applications span LED lighting controllers, battery chargers, fan control, remote-control transmitters, sensor signal conditioning, and small consumer appliances. The combination of CIPs, ADC, and PWM makes it well-suited to closed-loop control applications where a digital MCU is replacing traditional analog circuitry. When designing with this device, allocate the exposed pad (EP) as a thermal and electrical ground connection, decoupling the VDD pin with a 0.1 uF ceramic capacitor placed within 3 mm of the pin. The DFN-8 footprint requires careful PCB layout to prevent solder bridging; Microchip application note AN24 and the device datasheet provide recommended land patterns. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC10LF320-E/MC - 8-bit MCU, 448B Flash, 16MHz, 8-DFN | Microchip
PIC10LF320-E/MC

PIC10LF320-E/MC - 8-bit MCU, 448B Flash, 16MHz, 8-DFN | Microchip

The Microchip Technology PIC10LF320-E/MC is an 8-bit RISC PIC microcontroller featuring a PIC10 CPU core, 448 bytes of Flash program memory, 64 bytes of SRAM, and 128 bytes of EEPROM, in an 8-pin DFN (2x3 mm) exposed-pad package. It operates from 1.8V to 3.6V with an internal 16MHz oscillator and includes a 10-bit ADC, PWM, CLC, NCO, CWG, and a temperature-indicator peripheral. An 8-bit microcontroller (MCU) is a small computing-on-a-chip that integrates a CPU, non-volatile program memory, working RAM, and I/O peripherals on a single die. The PIC10 family occupies the low end of Microchip's 8-bit hierarchy, with the 32x sub-family positioned above the legacy 20x/22x devices in Flash capacity and analog integration. The 10-bit ADC, configurable logic cells, and numerically controlled oscillator make PIC10LF320 a step up from earlier PIC10F200/202 parts while retaining the same 6/8-pin footprint. Key differentiating features include 256 x 14 words of Flash, four I/O pins (shared with programming), 16MHz internal oscillator, four 10-bit ADC channels, two PWM outputs, and on-chip CLC/NCO/CWG peripherals. The wide 1.8-3.6V supply range allows direct battery operation from one or two cells, and the integrated 16MHz oscillator eliminates the external crystal in cost-sensitive designs. Architecturally, the device uses Microchip's enhanced mid-range 8-bit core with a single-cycle instruction fetch at 16MHz, delivering 4 MIPS performance. The internal 16MHz HFINTOSC is factory calibrated, and the 31kHz LFINTOSC supports low-power sleep modes. A configurable logic cell (CLC) and complementary waveform generator (CWG) enable custom peripheral functions without external glue logic. Typical applications include battery-powered sensor nodes, LED lighting controllers, fan/thermostat control, low-cost consumer appliances, and automotive body modules. The temperature-indicator peripheral supports simple thermal monitoring without a dedicated sensor. The 8-pin DFN package also suits space-constrained wearable and IoT end-node designs. When designing with this part, ensure the exposed pad is soldered for proper thermal dissipation and that unused I/O pins are configured as outputs. The programming/debug interface (ICSP) shares pins with GPIO, so reserve one I/O for in-circuit programming if field updates are anticipated. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC10LF320-E/OT - 8-bit MCU 448B Flash SOT-23-6 | Microchip
PIC10LF320-E/OT

PIC10LF320-E/OT - 8-bit MCU 448B Flash SOT-23-6 | Microchip

The Microchip Technology PIC10LF320-E/OT is an 8-bit PIC microcontroller from the PIC10F family delivering 16 MHz CPU performance with 448 bytes of Flash program memory and 32 bytes of SRAM, housed in a 6-pin SOT-23-6 surface-mount package. It operates across a 1.8 V to 3.6 V supply range with four I/O pins, an integrated 8-bit ADC, and on-chip peripherals including PWM, CLC, NCO, CWG, and a temperature indicator. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash/ROM), working memory (RAM), and configurable peripherals such as ADCs, timers, and communication interfaces. Within the taxonomy, the PIC10LF320 sits in the 8-bit microcontroller sub-class, itself a branch of microcontrollers (MCUs), embedded controllers, and finally the broader semiconductor category. The "LF" in the part number designates the low-voltage / low-power flavor of the PIC10F320, targeting battery and energy-harvesting designs where 1.8 V operation is essential. Key features include a high-performance RISC architecture (single-cycle instructions except branches), an internal 16 MHz oscillator with +/-1% accuracy, an 8-bit ADC with up to 4 channels and 10-bit resolution selections, two PWM modules, and Core Independent Peripherals (CIPs) like the Configurable Logic Cell (CLC), Numerically Controlled Oscillator (NCO), and Complementary Waveform Generator (CWG). The device supports in-circuit serial programming (ICSP) and in-circuit debugging, allowing firmware updates without removing the part from the board. The PIC10LF320-E/OT is built on Microchip's enhanced mid-range core and uses CMOS flash technology for non-volatile program storage. With only 6 pins and a tiny SOT-23-6 outline (approximately 2.9 mm x 1.6 mm), it is one of the smallest general-purpose microcontrollers available, yet retains genuine interrupt handling, a hardware stack, and a watchdog timer for safety-critical loops. Typical applications include low-power IoT sensor nodes, wearable fitness/health devices, LED accent lighting, battery chargers, simple state machines, and any compact PCB where a few GPIO pins need local intelligence. The wide 1.8-3.6 V operating range makes it directly compatible with single-cell lithium, two-cell alkaline, and energy-harvesting supplies. When designing with this part, treat unused pins as outputs to minimize supply current, and pair the MCU with a 0.1 uF decoupling capacitor placed within a few millimeters of the VDD pin. For low-power sleep designs, leverage the PIC10LF320's nanoWatt XLP technology to drop quiescent current below 100 nA in sleep mode. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet, including cross-family comparisons and Site MPN cross-links for engineers.

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PIC10LF320-I/MC - 8-Bit MCU, 448B Flash, 16MHz, DFN-8 | Microchip
PIC10LF320-I/MC

PIC10LF320-I/MC - 8-Bit MCU, 448B Flash, 16MHz, DFN-8 | Microchip

The Microchip Technology PIC10LF320-I/MC is an 8-bit PIC10F-family flash microcontroller featuring a 16 MHz RISC CPU, 448 bytes (256 x 14 words) of program Flash, 64 bytes of RAM, and 4 I/O pins in a compact 8-pin DFN (2x3 mm) package. It operates from 1.8 V to 3.6 V and targets space-constrained, low-power embedded applications. An integrated 8-bit ADC, two PWM modules, and a calibrated internal oscillator eliminate many external components, simplifying BOM cost and PCB area. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, RAM, and peripherals. The PIC10F family is Microchip's smallest 8-bit MCU line, optimized for ultra-compact designs where only a few pins are needed. Within the broader taxonomy, the PIC10LF320 sits at the entry level of 8-bit microcontrollers, below 16-bit PIC24 and 32-bit PIC32MX families, and is used as a co-processor or main controller in cost-sensitive consumer products. The 'LF' suffix denotes the low-voltage variant (1.8–3.6 V) suitable for single-cell Li-ion or 2xAA battery operation. Key features include 35 single-cycle instructions (excluding branches), DC–16 MHz operating speed, an 8-level hardware stack, on-chip calibrated 16 MHz and 31 kHz oscillators, three I/O with interrupt-on-change and weak pull-ups, and Timer0/Timer2 with programmable prescalers. The two 10-bit PWM modules and 8-bit ADC with up to four channels support LED dimming, sensor sampling, and simple closed-loop control. With a 250 ns instruction cycle, the device delivers 4 MIPS throughput. The PIC10LF320 employs an enhanced mid-range 8-bit RISC core with single-cycle instruction execution (except branches) and a Harvard architecture that separates program and data buses for predictable, deterministic timing. The integrated 8 MHz LP oscillator plus the 16 MHz HF oscillator provide clock flexibility, while the in-circuit serial programming (ICSP) interface allows Flash reprogramming after PCB assembly, enabling field updates and reducing rework cost. The device is also designed to operate over -40 °C to +85 °C industrial temperature range. Typical applications include LED lighting drivers and decorative strips, simple sensor interfaces, battery-powered IoT edge nodes, replacement of discrete logic, small motor control in toys and appliances, and wearable devices. The small DFN-8 footprint also makes it attractive for in-line cable assemblies and dongles where PCB space is at a premium. The wide operating voltage allows direct connection to 1.8–3.6 V sensors without level shifters. When designing with this device, note that the DFN-8 (2x3 mm) package is pin-compatible with PIC10F320/322 family members; layout can be reused for product variants differing only in Flash size or peripheral count. Use MPLAB X IDE with XC8 compiler and the PICkit programmer for development, and always include a 0.1 µF decoupling capacitor close to VDD. This page synthesizes distributor pricing, drop-in compatible alternatives, and practical design notes that complement the official Microchip datasheet for engineers selecting the PIC10LF320-I/MC.

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PIC10LF320-I/OT - 8-Bit MCU, 16MHz, 448B Flash | Microchip
PIC10LF320-I/OT

PIC10LF320-I/OT - 8-Bit MCU, 16MHz, 448B Flash | Microchip

The Microchip Technology PIC10LF320-I/OT is a 6-pin 8-bit Flash microcontroller in the PIC10F family, operating at up to 16 MHz with 448 bytes of program Flash and 64 bytes of RAM, housed in a SOT-23-6 surface-mount package. It is part of the PIC10(L)F320/322 series, the next-generation successor to legacy PIC10F200/202/204/206 devices, offering 35 single-cycle instructions, a 250 ns instruction cycle, and 16 I/O pins (on the 8-pin variant) or 4 I/O pins (on the 6-pin variant). A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals on one die. The PIC10LF320 belongs to the PIC10F family of 8-bit RISC microcontrollers -> 8-bit MCU category -> microcontroller -> embedded computing -> semiconductor. PIC MCUs are widely used in cost- and space-constrained applications where deterministic performance and low power draw are required. Key features include an enhanced mid-range 8-bit RISC core, 4-channel 10-bit ADC, two PWM modules (10-bit resolution), an 8-bit Timer0 with programmable prescaler, an 8-bit Timer2 with postscaler, an internal 16 MHz oscillator, and support for both 1.8V-3.6V (LF) and 2.3V-5.5V (F) supply ranges. The device also integrates an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), three I/O pins with interrupt-on-change, individually selectable weak pull-ups, and a high-current sink/source pin for direct LED drive without external transistors. The PIC10LF320 uses Microchip's enhanced mid-range architecture, which adds hardware stack depth (8 levels) and interrupt handling improvements over the baseline PIC10F family. The LF silicon is optimized for low-voltage operation down to 1.8V, enabling single-cell battery or energy-harvesting power designs. Program memory is 256 x 14 words (448 bytes), addressable via a 9-bit program counter, and self-programmable under software control via ICSP (In-Circuit Serial Programming). Typical applications include LED lighting control, battery management for IoT sensors, consumer accessories, remote controls, small appliance control, and low-power IoT edge nodes. The combination of 6/8-pin SOT-23 footprint and 16 MHz performance makes it ideal when PCB real estate is at a premium. When designing with this part, note that the LF (low-voltage) variant is required if your system bus runs below 2.3V; otherwise, use the PIC10F320 (F) variant for 2.3V-5.5V operation. The internal 16 MHz oscillator eliminates the need for an external crystal on most designs, reducing BOM cost and PCB area. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC10LF320-I/P - 8-bit 16MHz MCU, 448B Flash, 8-PDIP | Microchip
PIC10LF320-I/P

PIC10LF320-I/P - 8-bit 16MHz MCU, 448B Flash, 8-PDIP | Microchip

The Microchip Technology PIC10LF320-I/P is an 8-bit PIC microcontroller with 448 bytes (256 x 14 words) of Flash program memory, 32 bytes of RAM, and a 16 MHz internal oscillator, housed in an 8-pin PDIP (through-hole) package. The device operates from 1.8V to 3.6V and integrates a 10-bit ADC, 4 I/O pins, an 8-level hardware stack, and a high-performance RISC core with 35 single-cycle instructions. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data RAM, and peripheral interfaces. The PIC10LF320 belongs to the 8-bit microcontroller family (8-bit MCU -> microcontroller -> embedded processor -> semiconductor device) and uses a Harvard RISC architecture with separate program and data buses. The "LF" prefix indicates a low-voltage (1.8V minimum) variant, while "F" denotes Flash-based program memory that is in-system programmable via ICSP. Key features include an integrated 16 MHz precision internal oscillator (no external crystal required), four user-configurable I/O pins with interrupt-on-change capability, a 10-bit ADC with up to 4 channels, and ultra-low power consumption suitable for battery-powered applications. The device offers a single 16-bit timer (TMR0) with programmable prescaler, a watchdog timer, and an enhanced PWM module. With only 35 instructions to learn and single-cycle execution (except branches), the architecture is approachable for new firmware developers while remaining powerful for experienced embedded engineers. Typical applications include low-power sensor nodes, battery-powered remote controls, simple LED drivers, and replacement of discrete logic in space-constrained designs. The wide 1.8V-3.6V range supports direct connection to single-cell Li-ion or two-cell alkaline battery stacks. With only 448 bytes of Flash, the PIC10LF320 is best suited to firmware tasks in the few-hundred-instruction range rather than complex protocol stacks.

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PIC10LF320T-E/OT - 8-bit 16MHz MCU 448B Flash SOT-23-6 | Microchip
PIC10LF320T-E/OT

PIC10LF320T-E/OT - 8-bit 16MHz MCU 448B Flash SOT-23-6 | Microchip

The Microchip Technology PIC10LF320T-E/OT is an 8-bit PIC10 microcontroller in a 6-pin SOT-23 surface-mount package, integrating 448 bytes of Flash program memory (256 x 14 words), 32 bytes of RAM, and 4 general-purpose I/O pins around a mid-range 16MHz CPU core. Operating from 1.8V to 3.6V, the device delivers Microchip's mid-range 14-bit instruction set in a footprint smaller than most discrete transistors, while including an 8-bit ADC, PWM, Configurable Logic Cell (CLC), Numerically Controlled Oscillator (NCO), Complementary Waveform Generator (CWG), and an on-chip temperature indicator. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory, working RAM, and peripheral blocks into one IC. The PIC10 family is Microchip's smallest-footprint line, designed to replace discrete logic and small analog functions with programmable intelligence while occupying a few square millimetres of PCB. Within the broader taxonomy, PIC10LF320 sits at: microcontroller -> 8-bit MCU -> PIC10 family -> PIC10F32X sub-family of mid-range core devices. The 'LF' prefix denotes the low-voltage (1.8-3.6V) variant optimized for battery-powered and energy-harvesting applications. Key features include 16MHz internal oscillator operation, 4 user I/O with interrupt-on-change capability, an 8-bit ADC with internal voltage reference, hardware PWM, and dedicated peripherals for waveform synthesis (NCO) and complementary gate-driver signalling (CWG). The temperature indicator peripheral provides on-die thermal sensing without an external sensor. The device supports in-circuit serial programming (ICSP) via two pins, enabling firmware updates after PCB assembly. Architecturally, the PIC10LF320 uses Microchip's enhanced mid-range 14-bit instruction core with a single accumulator and hardware stack, providing deterministic interrupt latency and predictable code execution. The CLC and NCO blocks allow digital logic and frequency synthesis functions to be implemented in hardware without CPU intervention, reducing firmware overhead and power consumption in event-driven applications. Typical applications include portable consumer accessories, LED lighting controllers, battery management for single-cell Li-ion or coin-cell products, sensor signal conditioning, and replacement of discrete logic/analog circuitry in space-constrained designs. The automotive 'E' temperature grade (-40C to +125C) makes the part suitable for under-hood and harsh-environment modules. When designing with this part, prioritize pin assignment to expose ICSP pins (typically GP0/GP1) and provide adequate decoupling (100nF plus 1uF bulk) within 3mm of the VDD pin to meet ADC noise specifications.

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PIC10LF320T-I/MC - 8-bit MCU, 448B Flash, 16MHz, 8-DFN | Microchip
PIC10LF320T-I/MC

PIC10LF320T-I/MC - 8-bit MCU, 448B Flash, 16MHz, 8-DFN | Microchip

The Microchip Technology PIC10LF320T-I/MC is an 8-bit PIC microcontroller from the PIC10F family, featuring 448 bytes (256 x 14 words) of Flash program memory, 32 bytes of RAM, and a 16 MHz internal oscillator. Housed in a compact 8-pin DFN (2x3 mm) package, it operates from a 1.8V to 3.6V supply and offers 4 I/O pins, an 8-bit ADC, and integrated peripherals including PWM, Configurable Logic Cells (CLC), Numerically Controlled Oscillator (NCO), Complementary Waveform Generator (CWG), and a temperature indicator. An 8-bit PIC microcontroller is a compact, low-power RISC-based processor widely used in embedded systems for simple control tasks. The PIC10F family belongs to Microchip's 8-bit MCU portfolio, which sits under the broader microcontroller hierarchy: microcontroller -> embedded processor -> semiconductor IC. These devices are favored for their deterministic instruction execution, ultra-low sleep currents, and minimal external component count, making them ideal for cost- and space-constrained applications. Key features of the PIC10LF320T-I/MC include 4 I/O pins, an 8-bit ADC with multiple channel options, and support for in-circuit serial programming (ICSP). The integrated CLC, NCO, and CWG peripherals enable the generation of custom waveforms and logic functions without external components, reducing BOM cost and PCB area. The temperature indicator provides an on-chip analog temperature sensor for system monitoring. The device leverages Microchip's enhanced mid-range 8-bit core, which delivers up to 16 MHz operation (8 MIPS) from a single-cycle instruction pipeline. Its nanoWatt XLP technology provides sleep currents in the nanoampere range, making it well-suited for battery-powered applications. The 8-bit ADC operates from the device supply and supports multiple acquisition modes for sensor interfacing. Typical applications include consumer electronics remote controls, IoT sensor nodes, battery management accessories, LED lighting controllers, and small appliance controls. Its tiny 8-DFN footprint also fits wearables and space-constrained PCB modules. For cost-sensitive designs requiring minimal MCU capability, the PIC10LF320T-I/MC provides a balance of integration and low power consumption. When designing with this part, note that only 4 I/O pins are available; complex peripherals (UART, I2C, SPI) are not natively present but can be implemented in firmware using the CLC/NCO peripherals. Decoupling capacitors (typically 100 nF) should be placed close to VDD, and unused I/O pins should be configured as outputs low to minimize power consumption. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes to help engineers evaluate the PIC10LF320T-I/MC for space-constrained 8-bit embedded designs not found in a single manufacturer document.

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PIC10LF322-E/P - 8-Bit MCU, 896B Flash, 64B RAM, 4 I/O | Microchip
PIC10LF322-E/P

PIC10LF322-E/P - 8-Bit MCU, 896B Flash, 64B RAM, 4 I/O | Microchip

The Microchip Technology PIC10LF322-E/P is an 8-bit PIC microcontroller from the PIC10F family, featuring 896 bytes of flash program memory (512 x 14 words), 64 bytes of RAM, and 4 I/O pins in an 8-pin PDIP through-hole package. The device operates from 1.8V to 3.6V with a maximum CPU clock of 16 MHz (per the DigiKey listing), delivering low-power 8-bit performance for compact embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripherals such as ADCs, timers, and communication interfaces on one die. Within the broader taxonomy, the PIC10LF322 belongs to the 8-bit MCU class, which sits under microcontrollers, embedded processors, and finally semiconductors. The PIC10F32X line specifically targets ultra-compact, low-pin-count applications where PCB real estate is constrained but on-chip intelligence is required. Key features include an integrated 8-bit ADC, PWM module, Configurable Logic Cell (CLC), Numerically Controlled Oscillator (NCO), Complementary Waveform Generator (CWG), and a temperature indicator. According to Microchip documentation, the part also offers a low-power sleep mode ideal for battery-powered designs. The 4 I/O pins make it suitable as a logic-replacement chip with programmable behavior, pin-function remapping, and dedicated peripheral outputs. The architecture is based on Microchip's enhanced mid-range 8-bit core, providing single-cycle instruction execution at 16 MHz (4 MHz instruction cycle). On-chip peripherals such as the NCO and CWG allow precise frequency generation and complementary PWM outputs for power control, while the CLC enables glue-logic replacement without external gates. Typical applications include IoT sensor nodes, wearable electronics, LED lighting controllers, simple motor control, and consumer-electronic logic replacement. The wide 1.8V to 3.6V supply range makes it compatible with single-cell lithium or two-AA battery chemistries without level shifting. When designing with this part, observe the absolute maximum VDD of 3.6V and ensure decoupling (100 nF minimum, 10 uF bulk) is placed within 5 mm of the supply pin. The 4 I/O pins can be remapped to peripherals but cannot be increased; designers requiring more I/O should consider PIC12F or PIC16F families in the same PDIP-8 footprint. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC10LF322-I/P - 8-Bit MCU 896B Flash 16MHz 8-PDIP | Microchip
PIC10LF322-I/P

PIC10LF322-I/P - 8-Bit MCU 896B Flash 16MHz 8-PDIP | Microchip

The Microchip Technology PIC10LF322-I/P is a low-power, 8-bit flash-based microcontroller from the PIC10F family, featuring 896 bytes of flash program memory (512 x 14 words), 64 bytes of RAM, and a 16 MHz internal oscillator, housed in an 8-pin PDIP through-hole package. It integrates a 10-bit ADC with up to 4 channels, a configurable logic cell (CLC), complementary waveform generator (CWG), and multiple timer peripherals, all within the smallest PIC10 footprint. The low-voltage (LF) silicon operates across a 1.8 V to 3.6 V supply range with nanoWatt XLP technology. An 8-bit microcontroller (MCU) is a small, single-chip computer built around an 8-bit data path that integrates a CPU, non-volatile program memory, volatile data RAM, and peripheral blocks such as timers, ADC, and communication interfaces on one silicon die. The PIC10 family occupies the entry-level tier of the Microchip PIC architecture hierarchy, sitting below PIC12, PIC16, PIC18, PIC24, and dsPIC families in both pin count and feature density. These MCUs are optimized for glue logic, simple sensing, and standby-control roles where board space and BOM cost dominate design decisions. The PIC10LF322 differs from earlier PIC10F2xx devices by more than tripling program memory to 896 B, adding hardware CWG and CLC peripherals, integrating a 16 MHz high-speed internal oscillator, and supporting in-circuit serial programming (ICSP) on the same pins used for general I/O. The low-voltage 'L' silicon and F (flash) memory variant combine to give engineers field-upgradeable firmware and ultra-low sleep current (typically under 25 nA in deep sleep), making the part suitable for battery-powered or energy-harvesting designs. Typical applications include battery management for coin-cell devices, LED blink/breathing controllers, simple sensor signal conditioning with ADC, fan or pump speed control using CWG, household appliance user-interface glue, and wearable accessories. The 8-pin PDIP package is widely preferred for breadboarding, hobby projects, and legacy through-hole production where field serviceability is valued over SMT density. When designing with this part, observe the maximum clock of 16 MHz (or 20 MHz per alternate data) and ensure VDD stays within the 1.8 V-3.6 V LF window. The ICSP/ICSPDAT pins (typically GP0/GP1) must be accessible on the production board to allow firmware updates and device programming without desoldering the MCU. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found on a single manufacturer datasheet.

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PIC10LF322T-I/MC - 8-Bit 16MHz MCU 896B Flash | Microchip
PIC10LF322T-I/MC

PIC10LF322T-I/MC - 8-Bit 16MHz MCU 896B Flash | Microchip

The Microchip Technology PIC10LF322T-I/MC is an ultra-low-power, 8-bit flash microcontroller from the PIC® 10F family, running at 16 MHz (maximum 20 MHz) and offering 896B (512 x 14 words) of program Flash memory with 64 bytes of SRAM, housed in an 8-pin DFN (2x3 mm) package. It operates from 1.8V to 3.6V and provides 4 user I/O pins plus 1 input-only pin, with on-chip peripherals including a 10-bit ADC, two 8-bit timers, one 16-bit timer, an enhanced PWM module, and an MSSP supporting SPI and I2C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash or ROM), data memory (RAM), and configurable I/O peripherals on one die. Microcontrollers sit at the lowest tier of embedded computing hierarchy: MCU -> embedded processor -> digital IC -> semiconductor. The PIC10F family specifically targets ultra-compact, cost- and power-sensitive applications where package size and quiescent current dominate the design trade-off rather than processing throughput. Key features of this part include the Mid-Range 8-bit PIC core, nanoWatt XLP technology for sub-microamp sleep currents, an integrated 16 MHz internal oscillator (no external crystal required), and an on-chip 8-bit ADC capable of 8-channel muxed operation. The device also includes a comparator, configurable logic cell (CLC), and PWM module with up to 4 outputs, supporting simple mixed-signal functions without external analog components. Architecturally, the PIC10LF322 uses a Harvard RISC core with separate code and data buses, which improves instruction throughput at low clock rates. The 14-bit instruction word gives 49 single-word instructions including hardware multiply, while the 8-bit data path keeps register pressure low in bit-banging and small-state-machine applications typical of this package class. Typical applications include wearables and fitness bands, IoT sensor nodes, battery-powered remote controls, LED drivers, simple fan controllers, and low-end consumer electronics. The 8-pin footprint is well suited to designs where PCB real estate is measured in square millimeters. When designing with this part, note that the DFN-8 (MC) package has an exposed thermal pad that must be soldered to the PCB ground plane for thermal and electrical performance; bypassing the EP connection can shift ADC readings by several LSBs. This page synthesizes distributor pricing, drop-in alternatives from the PIC10/10F families, and practical layout guidance not found in the standalone manufacturer datasheet.

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PIC10LF322T-I/OT - 8-Bit MCU, 16MHz, 896B Flash | SOT-23-6 | Microchip
PIC10LF322T-I/OT

PIC10LF322T-I/OT - 8-Bit MCU, 16MHz, 896B Flash | SOT-23-6 | Microchip

The Microchip Technology PIC10LF322T-I/OT is an 8-bit PIC10 family microcontroller featuring 896 bytes of flash program memory and 64 bytes of RAM, housed in a 6-pin SOT-23 (OT) surface-mount package. It operates at up to 16MHz from a 1.8V to 3.6V supply and integrates a 3-channel 8-bit ADC, two PWM channels, three timers, watchdog timer, power-on reset, and brown-out reset on-chip. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (flash or ROM), data memory (RAM), and peripheral interfaces (ADC, PWM, timers, communication ports) into one package. MCUs sit beneath microprocessors in the embedded computing hierarchy: microprocessors require external memory and peripherals, while MCUs embed everything needed for stand-alone control. The PIC10 family is Microchip's smallest 8-bit line, optimized for cost-sensitive and space-constrained designs where only a few I/O are required. Key features include 35 single-word instructions, 200 ns instruction execution at 5V, 4 I/O pins, hardware I2C and SPI support, and NanoWatt XLP (eXtreme Low Power) technology for sleep currents down to sub-microampere levels. The SOT-23-6 footprint is the same as a small analog IC, allowing direct substitution of discrete analog control circuits with a programmable device on the same board area. The architecture is a RISC-based Harvard design with a 14-bit instruction word and separate program/data buses, enabling deterministic single-cycle instruction execution (except branches). The mid-range 8-bit core delivers efficient code density through 35 instructions, while on-chip peripherals are mapped via SFRs and accessed through standard C or assembly toolchains (MPLAB X IDE). Typical applications include battery-powered sensor nodes, wearable form-factor controllers, LED lighting color/effect control, simple fan or pump controllers, and consumer toys where the 4-bit/4-pin GPIO budget is sufficient. The LF (low-voltage) variant extends operation down to 1.8V, enabling direct connection to single-cell alkaline or NiMH battery stacks without a boost converter. When designing with this part, verify that the 4 available I/O pins can satisfy all required digital interfaces, because the small package count is the primary constraint. Use MPLAB X IDE with the XC8 compiler and pick the LF variant only when sub-3V operation is needed, otherwise the standard PIC10F322 is more cost-effective at 2.5V-5.5V operation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for engineers evaluating the PIC10LF322T-I/OT for space-constrained 8-bit designs.

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PIC12C508-04/P - 8-Bit 4MHz OTP MCU 768B | Microchip
PIC12C508-04/P

PIC12C508-04/P - 8-Bit 4MHz OTP MCU 768B | Microchip

The Microchip Technology PIC12C508-04/P is an 8-bit RISC microcontroller in a through-hole 8-pin PDIP package, featuring 4 MHz maximum operating frequency, 768 bytes (512 x 12) of one-time programmable (OTP) program memory, and 25 bytes of RAM. Built on a fully static CMOS process, it delivers 200 ns instruction execution and operates from 2.5 V to 5.5 V across the industrial -40 C to +85 C range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and programmable I/O peripherals. The PIC12C508 belongs to the baseline PIC12 family, the simplest tier within Microchip's 8-bit PIC architecture hierarchy: PIC10/12/16/18 baseline and mid-range families -> 8-bit PIC microcontrollers -> microcontroller ICs -> embedded processors -> semiconductors. Baseline PICs use a 12-bit instruction word and a 33-instruction RISC core, which makes them exceptionally easy to program yet powerful enough for simple control loops. Key features include 6 bidirectional I/O pins (GP0-GP5), a watchdog timer with on-chip RC oscillator, power-on reset, power-saving SLEEP mode, and code protection. The 12C508 lacks an analog comparator and A/D converter, distinguishing it from the PIC12C508A revision; it is intended for pure digital glue-logic replacement and simple state-machine duties. The OTP program memory is one-time programmable, which makes this part attractive for low-cost volume production where firmware is finalized. The device uses a Harvard RISC architecture with separate program and data buses, allowing instruction fetch and operand access in the same cycle. Each instruction is a fixed 12-bit word, and 33 single-word single-cycle instructions cover arithmetic, logical, branch, and bit-manipulation operations. The four oscillator modes (LP, XT, HS, RC) let designers trade off cost, frequency, and power across a wide range of applications. Typical applications include battery chargers, timer/counter modules, security systems, low-cost consumer appliances, and any cost-sensitive board that previously used discrete 555/4017 logic. Designers also deploy it in industrial controllers and remote sensor interfaces that benefit from its tiny 8-pin footprint. When designing with this device, allocate one I/O pin as a firmware-programming entry on production boards to enable in-system firmware update via Microchip's ICSP protocol. Remember that OTP memory cannot be erased, so a single programming error on a production batch consumes the part. This page synthesizes distributor pricing, drop-in PIC10/PIC12 alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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PIC12C508-04I/P - 8-bit OTP MCU 4MHz 768B | Microchip PDIP-8
PIC12C508-04I/P

PIC12C508-04I/P - 8-bit OTP MCU 4MHz 768B | Microchip PDIP-8

The Microchip Technology PIC12C508-04I/P is an 8-bit, fully static, EPROM/OTP-based CMOS microcontroller in an 8-pin PDIP package, operating at up to 4 MHz. It integrates 768 bytes (512 x 12) of OTP program memory, 25 bytes of RAM, and 6 I/O pins, with an industrial temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer that contains a CPU, non-volatile program memory, RAM, and peripheral I/O. The PIC12C508 belongs to the 8-bit microcontroller category, which is a sub-class of embedded processors within the broader semiconductor taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. RISC-based 8-bit MCUs like the PIC12 family remain widely deployed in cost- and pin-constrained applications. Key features include 33 single-word/single-cycle RISC instructions, a 4 MHz internal oscillator option, an 8-bit timer/counter, a watchdog timer, power-on reset, and in-circuit serial programming (ICSP) capability. The device operates from 2.5V to 5.5V across the industrial temperature range and offers low-power consumption suitable for battery-operated designs. The 4 MHz speed grade supports 1 us instruction execution. Architecturally, the PIC12C508 uses a Harvard-style RISC core with separate code and data buses, providing deterministic single-cycle instruction execution. The OTP program memory (one-time programmable) means code is permanently written at production time, which is typical for high-volume cost-sensitive products. Typical applications include consumer appliances, sensor signal conditioning, simple motor control, automotive subsystems, LED driver controllers, and battery chargers. The 6 I/O pins, while limited, are sufficient for applications with minimal external interfaces. When designing with this device, note that OTP memory cannot be reprogrammed, so code must be fully verified before programming. Designers should also use ICSP for development and production programming to avoid socketed programming complexity. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with the information needed to specify, source, and integrate the PIC12C508-04I/P in volume production.

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PIC12C508-04I/SM - 4MHz 8-bit OTP MCU 8-SOIJ | Microchip
PIC12C508-04I/SM

PIC12C508-04I/SM - 4MHz 8-bit OTP MCU 8-SOIJ | Microchip

The Microchip PIC12C508-04I/SM is an 8-bit, fully static, EPROM/OTP-based CMOS microcontroller from the PIC12C5xx family, operating at 4 MHz with 768 bytes (512 x 12) of OTP program memory in an 8-SOIJ package. An 8-bit microcontroller (MCU) is a small, low-cost computer-on-a-chip that integrates a CPU, memory, and I/O peripherals onto a single silicon die. Within the semiconductor hierarchy, an MCU sits under the broader category of microcontrollers, which themselves fall under Integrated Circuits > Logic ICs. The PIC12C5xx family specifically belongs to Microchip's PIC® (Peripheral Interface Controller) architecture, employing a RISC design with only 33 single-word/single-cycle instructions. This instruction simplicity is a defining feature that reduces development time and allows the device to deliver roughly 2:1 code compression versus competing 8-bit MCUs in its class. The "C" in PIC12C508 denotes the EPROM/OTP (one-time programmable) program memory variant, distinguishing it from later flash-based "F" revisions. Key features of the PIC12C508-04I/SM include 25 bytes of RAM, 6 general-purpose I/O pins, a 4 MHz internal/external oscillator option, and an industrial temperature range of -40°C to +85°C. The "-04" suffix denotes the 4 MHz oscillator speed grade, while "I" indicates industrial temperature grading and "SM" is the 8-SOIJ (Small Outline IC, J-leaded) surface-mount package. The device is fully static, allowing the clock to be stopped without losing register state, and supports a wide operating voltage range of 2.5V to 5.5V, making it tolerant of both 3.3V and 5V logic rails. Technically, the PIC12C508-04I/SM uses a 12-bit instruction word and a 2-stage pipeline that fetches the next instruction while executing the current one, achieving effective throughput of approximately 4 MIPS at 4 MHz. Its Harvard architecture separates program and data memory, eliminating bus contention and improving deterministic interrupt response. The device also features a watchdog timer, power-on reset, brown-out detect (on selected revisions), and a precision 4 MHz RC oscillator option that allows operation without external crystals, saving both board space and BOM cost. Typical applications include low-cost consumer electronics, automotive body controllers, simple sensor interfaces, hobbyist and educational projects, and 8-pin appliances such as LED controllers and battery chargers. The 8-pin footprint is particularly valuable where PCB real estate is severely constrained. When designing with this device, note that OTP memory cannot be reprogrammed, so firmware must be verified before committing to production units. Decoupling capacitors (100 nF) should be placed within a few millimeters of the VDD pin, and unused I/O pins should be configured as outputs to minimize current consumption. This page synthesizes distributor pricing, drop-in-compatible alternatives, and practical design notes from the Microchip datasheet that are not aggregated on any single distributor product page.

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PIC12C508/JW - 8-Bit EPROM MCU 4MHz 768B | Microchip
PIC12C508/JW

PIC12C508/JW - 8-Bit EPROM MCU 4MHz 768B | Microchip

The Microchip Technology PIC12C508/JW is an 8-bit CMOS microcontroller from the PIC12C5XX family, featuring 768 bytes of UV-erasable EPROM program memory (organized as 512 x 12) and 25 bytes of RAM. Housed in an 8-pin CDIP (Ceramic Dual In-line Package) with a quartz window for UV erasure, it operates at up to 4 MHz with a wide 2.5V to 5.5V supply range and delivers 1 microsecond instruction execution. An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating an 8-bit CPU, program memory, data RAM, and peripheral interfaces on a single die. The PIC12C5XX family uses a RISC architecture with only 33 single-word/single-cycle instructions, making the device classifiable within the broader hierarchy: microcontroller -> embedded controller -> integrated circuit -> semiconductor. The JW windowed package variant specifically targets prototyping, development, and field-reprogrammable applications where firmware iteration is required, unlike the OTP (one-time-programmable) plastic PDIP versions intended for production. Key features include 6 I/O pins with individual direction control, Power-On Reset (POR), Watchdog Timer (WDT) with on-chip RC oscillator, code protection, and power-saving SLEEP mode. The PIC12C508/JW's EPROM-based memory enables hundreds of erase/write cycles, distinguishing it from flash-based successors in the PIC12F and PIC16F families. The 4 MHz internal/external oscillator capability and DC to 4 MHz operating speed suit slow-control and timing-deterministic applications. Architecturally, the PIC12C508/JW employs a Harvard architecture with separate program and data buses, a 12-bit instruction word, and 7 special function registers controlling the 25 general purpose registers. This minimal core delivers predictable 1-microsecond per-instruction execution at 4 MHz, ideal for interrupt-driven and state-machine designs where determinism outweighs raw throughput. Typical applications include automotive body controllers, appliance control, low-power remote sensors, security systems, and consumer electronics where a small pin-count, deterministic 8-bit core reduces BOM cost and PCB area. The JW windowed ceramic DIP is favored for engineering builds and educational platforms. When designing with this device, note that the 8-CDIP windowed package is significantly larger than modern SOT or DFN microcontrollers. Confirm your firmware development tools (e.g., MPLAB X IDE) support legacy EPROM parts, and budget for a UV eraser if iterative code development is planned. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, application guidance, and engineering design notes not consolidated on the manufacturer datasheet front-matter - information specifically curated for component selection and sourcing decisions.

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PIC12C508A-04/P - 8-bit 4MHz OTP MCU 768B | Microchip | DIP-8
PIC12C508A-04/P

PIC12C508A-04/P - 8-bit 4MHz OTP MCU 768B | Microchip | DIP-8

The Microchip Technology PIC12C508A-04/P is an 8-bit CMOS RISC microcontroller in a 8-pin PDIP package, featuring 4MHz maximum oscillator frequency, 768 bytes (512 x 12) of One-Time-Programmable (OTP) program memory, and 25 bytes of RAM, engineered for cost-sensitive embedded applications. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory, and integrated peripherals. The PIC12C508A belongs to the 8-bit microcontroller category, which uses an 8-bit data path. Within the broader hierarchy, it sits as: PIC12C508A -> PIC12C5xx family -> PIC architecture -> 8-bit MCU -> microcontroller -> embedded computing IC. This MCU variant uses CMOS process technology with EPROM/OTP-based program storage, distinguishing it from Flash-based 8-bit MCUs that allow multiple reprogram cycles. Key features include 33 single-word/single-cycle instructions, 1 microsecond instruction execution time at 4MHz, 6 general-purpose I/O pins, a hardware 8-bit timer (TMR0) with 8-bit programmable prescaler, watchdog timer with on-chip RC oscillator, power-on reset, and in-circuit serial programming (ICSP) capability. The device also offers 4 oscillator options: RC, LP, XT, and HS, providing flexibility across low-power and high-speed applications. Power consumption is typically under 2 mA active at 5V/4MHz and below 1 microamp in sleep mode. The PIC12C508A-04/P employs a Harvard RISC architecture with separate program and data buses, and 12-bit wide instructions yielding 2:1 code compression over comparable 8-bit CISC controllers. The -04 speed suffix designates 4MHz operation, and the /P suffix indicates a PDIP-8 (300 mil) through-hole package. Operating voltage spans 2.5V to 5.5V across commercial and industrial temperature ranges (0C to +70C for commercial, -40C to +85C for industrial). The OTP nature of program memory means firmware is programmed once via Microchip's MPLAB ecosystem and cannot be field-updated. Typical applications include appliance control modules, LED driver controllers, simple sensor interfaces, low-end consumer electronics, and battery-powered devices. Its small 8-pin footprint and 33-instruction RISC core suit designs where PCB real estate is constrained and code volume is below 768 bytes. The device is widely deployed in cost-sensitive mass-production units. Design consideration: Because the program memory is OTP, a burned device cannot be reprogrammed, so engineers should always verify code with a development-friendly equivalent (such as the PIC12F508 with Flash memory) before committing to OTP volume production. The /P 8-pin PDIP variant is also ideal for through-hole prototyping and hobby projects. This page consolidates distributor pricing, pin-compatible drop-in alternatives, and practical design considerations that go beyond the manufacturer datasheet summary.

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PIC12C508A-04/SM - 8-Bit 4MHz OTP MCU, 8-SOIJ | Microchip
PIC12C508A-04/SM

PIC12C508A-04/SM - 8-Bit 4MHz OTP MCU, 8-SOIJ | Microchip

The Microchip Technology PIC12C508A-04/SM is an 8-bit, RISC-based CMOS microcontroller from the PIC12C5xx family, packaged in an 8-lead Small Outline IC (SOIJ) form factor. It executes instructions in a single 1 us cycle (4 MHz oscillator) and integrates 768 bytes of One-Time-Programmable (OTP) program memory (512 x 12 words), 25 bytes of general-purpose RAM, and six general-purpose I/O pins within an extremely compact 8-pin footprint. Operating from 3.0 V to 5.5 V across the commercial 0 C to +70 C range, the PIC12C508A is one of the smallest OTP microcontrollers Microchip has ever offered. What is an 8-bit OTP microcontroller? An 8-bit microcontroller is a single-chip computer that processes data in 8-bit chunks and is the workhorse of cost-sensitive embedded control. OTP (One-Time-Programmable) memory can be written exactly once, which lowers die cost versus Flash and suits high-volume, fixed-function products. Within the hierarchy: microcontroller -> embedded controller -> semiconductor, the PIC12C5xx family sits at the small-footprint, low-pin-count tier aimed at replacing discrete logic and small electromechanical timers. Key differentiating features include: (1) only 33 single-word, single-cycle instructions, enabling extremely compact code; (2) 8-bit timer/counter (TMR0) with 8-bit prescaler; (3) internal 4 MHz RC oscillator option eliminating the external crystal in many designs; (4) watchdog timer with on-chip RC oscillator for reliable reset behavior; and (5) in-circuit serial programming (ICSP) capability even on the 8-pin package. Each instruction executes in 1 microsecond at 4 MHz, yielding roughly 1 MIPS performance. Architecturally, the PIC12C508A uses a Harvard-style RISC core with separate program and data buses, an 8-level deep hardware stack, and a 2-level instruction pipeline. This is sufficient for state machines, simple sensor conditioning, and logic-replacement tasks, but it is not designed for USB, Ethernet, or display interfaces. The CMOS process gives very low power consumption (typically < 2 mA active, < 1 uA standby), enabling battery-friendly designs. Typical applications include appliance timers, fan/HVAC controls, security-system keypads, IR remote-control transmitters, battery chargers for low-end consumer goods, automotive body controllers (when paired with the I-grade variant), and small consumer toys. The wide operating voltage range makes it suitable for both 3.3 V and 5 V rails, and the SOIJ package is friendly to wave-solder and reflow profiles. When designing in this part, pay attention to the OTP-only nature: code must be 100 percent verified before programming, since there is no way to re-flash a defective unit. Always budget the GP3/MCLR shared-pin behaviour and ensure adequate decoupling on VDD (0.1 uF) close to the package. OTP programming reduces unit cost versus Flash in volume production, but increases development risk for prototypes. This page synthesizes distributor stock levels, drop-in same-package alternatives from the PIC12C5xx/12F5xx family, and practical PCB design notes that go beyond the information found in the standalone manufacturer datasheet.

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PIC12C508A-04E/P - 8-bit 4MHz OTP MCU, 8-PDIP, Extended Temp | Microchip
PIC12C508A-04E/P

PIC12C508A-04E/P - 8-bit 4MHz OTP MCU, 8-PDIP, Extended Temp | Microchip

The Microchip Technology PIC12C508A-04E/P is an 8-bit CMOS OTP-based PIC microcontroller delivering 4 MHz instruction execution from 33 single-word RISC instructions in an 8-pin PDIP through-hole package. It integrates 768 bytes (512 x 12) of OTP program memory, 25 bytes of RAM, and 6 general-purpose I/O pins, with a 4 MHz internal/external clock domain suited for compact logic-replacement designs. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory (ROM/OTP/Flash), data RAM, and peripheral set. Within the broader hierarchy, the PIC12C508A belongs to the PIC12C5xx family of 8-bit microcontrollers -> the Microchip PIC microcontroller family -> the 8-bit MCU class -> the microcontroller category -> the embedded processing semiconductor class. The 'C' suffix denotes CMOS OTP process, the 'A' marks a die-revision upgrade, the '04' specifies the 4 MHz speed grade, 'E' marks the extended temperature range (-40C to +125C), and '/P' indicates the PDIP-8 package. Key features include a 1 microsecond instruction cycle (4 MHz oscillator divided by 4), an 8-bit timer/counter (TMR0) with 8-bit programmable prescaler, Power-On Reset (POR), Device Reset Timer (DRT), and a Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation without external components. Programmable code protection is supported and 1,000,000 erase/write cycles endurance is rated. Architecturally, the PIC12C508A employs a RISC Harvard architecture with separate program and data paths, enabling single-cycle instruction execution except for branches. The CMOS OTP process delivers low static power consumption, and the in-circuit serial programming (ICSP) interface enables firmware updates via two pins, simplifying prototyping. Typical applications include logic replacement (replacing discrete 555/4017 circuits with one chip), appliance controllers, white-goods user interfaces, low-end automotive body electronics, remote-control transmitters, sensor signal conditioning, simple PWM/sequence generators, and battery-powered devices where the 8-pin footprint and low pin count fit the application. When designing with this device, note that OTP is one-time-programmable: firmware must be fully verified before burn. For extended temperature operation ensure the 'E' suffix part is specified; the standard '04/P' variant operates only 0C to +70C. The 6 I/O pins share package pins with VDD/VSS/GP3-only, so multi-function pin assignment requires careful review against the pinout. This page synthesizes verified distributor pricing, pin-compatible drop-in alternatives, and practical design considerations not consolidated on any single datasheet.

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PIC12C508A-04I/P - 8-bit 4MHz OTP MCU 768B | Microchip
PIC12C508A-04I/P

PIC12C508A-04I/P - 8-bit 4MHz OTP MCU 768B | Microchip

The Microchip Technology PIC12C508A-04I/P is an 8-bit CMOS microcontroller based on Microchip's Enhanced PIC16C5X RISC core, packaged in an 8-pin PDIP through-hole package. The device integrates 768 bytes (512 x 12 words) of One-Time-Programmable (OTP) program memory, 25 bytes of RAM, and 6 general-purpose I/O pins, executing instructions at a 1 microsecond per instruction cycle when clocked at 4 MHz. Operating voltage spans 2.5V to 5.5V, making it compatible with both 3.3V and 5V rails commonly found in industrial and appliance designs. What is a PIC12C5XX microcontroller? The PIC12C5XX family from Microchip Technology represents a class of low-cost, high-performance 8-bit fully-static CMOS microcontrollers built on a RISC architecture with only 33 single-word single-cycle instructions. Within the taxonomy, PIC microcontrollers belong to the broader category of microcontrollers (MCUs) -> embedded controllers -> semiconductor ICs. This minimalist instruction set, combined with a Harvard memory architecture, gives the PIC12C508A deterministic interrupt latency and predictable timing - qualities valued in automotive, appliance, and consumer products where code simplicity is paramount. Key features of the PIC12C508A-04I/P include an internal 4 MHz RC oscillator (with the -04 speed designation), an on-chip power-on reset, a watchdog timer with its own on-chip RC oscillator for reliable operation without external components, and code protection to prevent unauthorized memory reads. The 8-pin PDIP form factor is the most user-friendly package for prototyping and low-volume production, accepting standard DIP sockets and breadboards. Technically, the device uses a 12-bit instruction word that is byte-addressable through a 7+2 special function register + 25 general purpose register file. Power consumption is rated in the microamp range during sleep mode with the watchdog timer active, and the device supports in-circuit serial programming (ICSP) for production-line firmware loading even after the OTP window has been sealed. Typical applications include automotive sensor interfaces, appliance controls (washing machines, microwaves), security keypads, simple sensor conditioning, battery chargers, and low-cost consumer products. The industrial temperature range (-40C to +85C) is indicated by the 'I' suffix in the part number. Designers should note that OTP memory can only be programmed once - development should use the PIC12C508A-04/P (extended temperature, no 'I' suffix denotes commercial 0C to +70C) or a Flash-based pin-compatible PIC10F200/202/220/222 for prototyping. The 6 I/O pins share functions with the comparator, timer, and ICSP interfaces, so careful pin allocation is required. This page synthesizes distributor inventory, same-brand drop-in alternatives, and practical design notes that are not aggregated in a single manufacturer datasheet, giving engineers a faster path to sourcing and validation.

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PIC12C508A-04I/SM - 8-bit 4MHz OTP MCU, 8-SOIJ | Microchip
PIC12C508A-04I/SM

PIC12C508A-04I/SM - 8-bit 4MHz OTP MCU, 8-SOIJ | Microchip

The Microchip Technology PIC12C508A-04I/SM is an 8-bit, fully-static CMOS microcontroller built on the PIC® 12C RISC architecture, offered in an 8-pin SOIJ package. It executes 33 single-word/single-cycle instructions, delivers 1 µs instruction execution at 4 MHz, and integrates 768 bytes of OTP program memory (512 x 12) and 25 bytes of general-purpose RAM. The device operates from 3 V to 5.5 V and is rated for the industrial temperature range of −40 °C to +85 °C. A microcontroller (MCU) is a single-chip computer containing a CPU, program and data memory, and I/O peripherals. MCUs sit within the broader taxonomy of embedded processors -> microcontrollers -> 8-bit microcontrollers -> CMOS RISC microcontrollers. The 12-bit program word width and Harvard bus architecture of the PIC12 family are deliberately simple, enabling deterministic timing and very small silicon footprints for cost-sensitive embedded applications. Key features include an 8-bit real-time clock/counter (TMR0) with an 8-bit programmable prescaler, a Watchdog Timer (WDT) with its own on-chip RC oscillator, Power-On Reset (POR), Device Reset Timer (DRT), and programmable code protection. The internal 4 MHz oscillator eliminates external timing components, freeing all eight pins for application use. The SOIJ-8 footprint allows direct reflow soldering on standard SMT lines. The architecture separates program memory (12-bit OTP) from data memory (8-bit-wide registers), enabling single-cycle instruction fetch and decode. The reduced 33-instruction RISC instruction set simplifies code generation, while the 200 ns minimum instruction cycle at 4 MHz (when derived from the internal RC oscillator divided appropriately) provides ample throughput for glue-logic replacement, sequencer, and protocol-translation tasks. Typical applications include low-cost consumer appliance control, sensor-interface front-ends, automotive interior accessories, industrial timing and sequencing, and PIC12C508 pin-compatible upgrades. The wide operating voltage window supports both 3.3 V and 5 V rails commonly found in mixed-signal systems, allowing the part to coexist with low-power sensors and 5 V relay drivers. When designing with this device, pay attention to OTP one-time programmability — once blown, code cannot be changed. For prototyping or field-upgradable designs, choose the Flash-based PIC12F508 successor (same pinout, larger memory, in-circuit serial programming). Decoupling the VDD pin with a 0.1 µF ceramic capacitor adjacent to the package is recommended for stable internal RC operation. This page synthesizes distributor pricing, pin-compatible same-family alternatives, and practical design notes not aggregated on the manufacturer datasheet, enabling faster sourcing decisions for engineers migrating legacy PIC12C508A designs to current production.

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PIC12C508A/JW - 8-bit EPROM MCU, 4MHz, 768B, UV | Microchip
PIC12C508A/JW

PIC12C508A/JW - 8-bit EPROM MCU, 4MHz, 768B, UV | Microchip

The Microchip Technology PIC12C508A/JW is an 8-bit CMOS RISC microcontroller housed in an 8-pin ceramic CDIP (JW) windowed package, designed for prototype and development use of one-time-programmable (OTP) PIC12C508A code. It executes instructions in a 1-microsecond cycle at 4 MHz and is based on the Enhanced PIC16C5X core with 33 single-word, single-cycle instructions. A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data memory, and programmable I/O peripherals. The PIC12C508A belongs to the 8-bit microcontrollers -> PIC microcontrollers -> PIC12C family product hierarchy. It targets cost-sensitive embedded applications where a minimal 8-pin footprint and predictable deterministic execution are required. The /JW windowed package is specifically intended for erasing the EPROM via UV light during code development and prototyping, not for production deployment. Key features include 768 bytes of EPROM program memory (512 x 12), 25 bytes of RAM, 6 programmable I/O lines, an internal 4 MHz RC oscillator, an internal power-on reset, a watchdog timer, and power-saving SLEEP mode. The device operates from 2.5V to 5.5V across commercial 0C to +70C (this JW variant) and consumes less than 2 mA at 5V, 4 MHz. It is pin-compatible with the PIC12C508, PIC12CE518, and PIC12F508/509 Flash families, simplifying code migration during product transitions. The PIC12C508A uses a Harvard RISC architecture with separate program and data buses, a 12-bit wide instruction word delivering 2:1 code compression over typical 8-bit CISC controllers, and a hardware stack only two levels deep. The reduced instruction set and deterministic timing simplify real-time control firmware and embedded interrupt handling. The integrated MCLR/GP3 pin serves dual functions as master clear and general-purpose I/O with interrupt capability. Typical applications include low-cost appliance controllers, sensor signal conditioning, intelligent sensor front-ends, simple PWM LED drivers, automotive body modules (industrial grade variants), and educational/development kits where the EPROM window allows iterative code erase/reprogram cycles. Designers evaluating firmware before committing to OTP PIC12C508A-04/P or flash PIC12F508-I/P production parts use the JW package in the design phase. When designing with this MCU, ensure the GP3/MCLR pin is properly biased because it serves as both master clear and I/O. The device lacks an on-chip UART or ADC, so designers requiring analog or serial communication must add external components or migrate to the PIC12F675/683 Flash family with integrated peripherals. The JW ceramic windowed package is significantly more expensive than the plastic PDIP production version and should not be used in final production. This page synthesizes distributor pricing, drop-in package-compatible alternatives (PIC12C508A-04/P, PIC12F508-I/P), and practical design guidance not found in the manufacturer datasheet alone.

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PIC12C508AT-04E/SM - 8-bit 4MHz OTP MCU, 768B, 6 I/O | Microchip
PIC12C508AT-04E/SM

PIC12C508AT-04E/SM - 8-bit 4MHz OTP MCU, 768B, 6 I/O | Microchip

The Microchip Technology PIC12C508AT-04E/SM is an 8-bit, RISC-architecture CMOS microcontroller (MCU) with 4 MHz maximum clock speed, 768 bytes (512 × 12) of one-time programmable (OTP) program memory, and 25 bytes of data RAM, packaged in an 8-pin SOIJ (SM) with extended temperature grade support. An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU core, program memory, data RAM, and I/O peripherals in a small form factor. The PIC12C508AT belongs to Microchip's PIC12C family, which sits inside the broader 8-bit PIC microcontroller hierarchy (8-bit MCU → microcontroller → embedded controller → semiconductor). These MCUs are widely used in cost-sensitive, space-constrained, and deterministic-control designs where low power and a minimal instruction set are more valuable than raw throughput. Key features include 33 single-word instructions, an 8-bit real-time clock/counter (TMR0) with an 8-bit programmable prescaler, power-on reset (POR), device reset timer (DRT), watchdog timer (WDT) with its own on-chip RC oscillator, programmable code protection, and an operating voltage range of 2.5 V to 5.5 V (extended). The part supports six general-purpose I/O pins and offers 1,000,000 erase/write cycles per the device family rating. Architecturally, the PIC12C508AT uses Harvard-style separate program and data paths with a 12-bit instruction word, enabling 200 ns instruction execution at 4 MHz. The OTP program memory (EPROM) is written during production or in-system once, supporting small-to-medium volume embedded products. The on-chip watchdog timer with its dedicated internal RC oscillator guarantees reliable operation even if the main system clock is disrupted, which is essential in industrial and automotive environments. Typical applications include low-cost consumer appliances, sensor signal conditioning, LED lighting controllers, automotive body electronics (subsystems), small motor control, and remote-control transmitters. The wide 2.5 V-5.5 V supply range and extended operating temperature range allow the part to drop into battery-powered and harsh-environment designs. When designing with this device, allocate sufficient time for OTP programming during pilot builds because OTP memory cannot be reprogrammed in-circuit. Always enable the watchdog timer in firmware and consider the EPROM device lifecycle (typically 1,000,000 erase/write cycles) when planning field updates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers an at-a-glance comparison for sourcing and second-source planning.

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PIC12C508AT-04E/SN - 8-bit OTP MCU, 768B, 4MHz, SOIC-8 | Microchip
PIC12C508AT-04E/SN

PIC12C508AT-04E/SN - 8-bit OTP MCU, 768B, 4MHz, SOIC-8 | Microchip

The Microchip Technology PIC12C508AT-04E/SN is an 8-bit CMOS OTP-based microcontroller in an 8-pin SOIC package, operating at up to 4 MHz with 768 bytes (512 x 12) of program memory and 25 bytes of RAM. It uses a 12-bit instruction word PIC RISC architecture delivering 1 microsecond instruction execution with only 33 single-word instructions. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and programmable I/O peripherals. The PIC12C508A belongs to the Microchip PIC10/12 family of small-form-factor 8-pin controllers, positioned within the broader category of microcontrollers -> microprocessors -> embedded computing -> semiconductors. These compact MCUs are the lowest-cost entry point into the PIC ecosystem and are widely deployed as glue logic replacement, sensor interface controllers, and standalone timed-control supervisors. Key features include 6 bidirectional I/O pins, an 8-bit real-time counter (TMR0) with an 8-bit programmable prescaler, Power-On Reset (POR), Device Reset Timer (DRT), a Watchdog Timer (WDT) with its own dedicated on-chip RC oscillator, programmable code protection, and 1,000,000 erase/write cycles typical endurance. The extended (-40C to +125C) operating temperature range and 3.0V-5.5V supply range make it suitable for harsh industrial environments. The PIC12C5XX architecture implements Harvard-style separate program/data paths with a 12-bit instruction word, achieving approximately 2:1 code compression over typical 8-bit microcontrollers. Its baseline core omits hardware interrupts, prioritizing code density and deterministic timing over peripheral integration - the result is a low-cost deterministic engine for tightly looped timing or state-machine tasks. Typical applications include appliance control, automotive sensor interfaces, simple sensor signal conditioning, low-cost timing controllers, and small logic replacements where an MCU adds flexibility at lower BOM cost than discrete logic. The 4 MHz internal RC option enables a clockless BOM in cost-sensitive designs. When designing, ensure Vdd decoupling uses a 0.1uF ceramic capacitor placed within 5 mm of the Vdd pin. MCLR must be tied to Vdd through a pull-up if not used externally to prevent spurious resets. With only six usable I/O, careful pin budgeting at the schematic stage is critical. This page synthesizes distributor pricing, drop-in alternatives, pin-by-pin replacement guidance, and design notes not found aggregated in the manufacturer datasheet.

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