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PIC12LF1612-I/P

PIC12LF1612-I/P - 8-bit MCU 3.5KB Flash 256 RAM 32MHz | Microchip

The Microchip Technology PIC12LF1612-I/P is an 8-bit RISC PIC12 microcontroller with 3.5KB Flash program memory, 256 bytes of RAM, a 32MHz internal oscillator, and 6 I/O lines, housed in an 8-pin PDIP through-hole package. It belongs to the PIC16(L)F161X family that targets small-motor embedded control, general-purpose logic, low-power edge sensing, and signal-conditioning applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile working memory (RAM), and peripheral blocks onto one die. Within the broader taxonomy, PIC12LF1612 belongs to: microcontroller -> 8-bit MCU -> PIC MCU -> PIC12 family -> low-power (LF) variant. The LF suffix indicates the wide-voltage CMOS process, enabling operation from 1.8V to 3.6V versus 2.3V-5.5V for the standard 'F' part. PIC MCUs use a RISC Harvard architecture with a 14-bit instruction word optimized for deterministic, byte-oriented code density. Key features include 10-bit A/D conversion, a 5-bit DAC, Capture/Compare/PWM (CCP), 24-bit Signal Measurement Timer (SMT), Zero-Cross Detection, angular timer, complementary waveform generator, and on-chip temperature indicator. The internal 32MHz oscillator eliminates external crystals in many designs. The 8-pin PDIP package is a plastic dual-in-line through-hole format compatible with breadboards and hand-soldered prototyping. The PIC12LF1612 uses a 14-bit instruction word RISC core with single-cycle execution except for program branches. Wide operating voltage (1.8V minimum at 16MHz, 2.5V-3.6V at full 32MHz) and integrated peripherals reduce BOM cost. Sleep current in the nanoamp range and active current of a few hundred microampheres make it well suited for battery-powered and energy-harvesting applications. Typical applications include small DC motor control with complementary PWM outputs, fan and pump speed controllers, LED lighting drivers with zero-cross detection, IoT sensor nodes, and general-purpose digital logic replacement. The angular timer and SMT blocks also suit energy metering and power-quality monitoring. Design consideration: route the ICSP programming clock/data lines (ICSPCLK/ICSPDAT) to a programming header, as the LF1612 uses high-voltage ICSP for in-circuit programming. Add a 0.1uF decoupling capacitor adjacent to VDD and consider an additional bulk capacitor if driving PWM directly into inductive loads. This page synthesizes distributor pricing, drop-in alternatives drawn from the PIC12 family and competitive 8-bit MCU lines, and practical design notes that go beyond the manufacturer datasheet to accelerate BOM selection and PCB layout decisions.

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PIC12LF1612-I/SN

PIC12LF1612-I/SN - 8-Bit 32MHz MCU 3.5KB Flash 8-SOIC | Microchip

The Microchip Technology PIC12LF1612-I/SN is an 8-bit PIC RISC microcontroller delivering 32MHz CPU performance with 3.5KB (2K x 14) flash program memory in an 8-pin SOIC package. It operates from a 1.8V to 3.6V supply, supports 6 I/O lines, and integrates peripherals including ADC, DAC, PWM, CCP, and Zero-Cross Detection. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small computer-on-a-chip that processes data 8 bits at a time, integrating a CPU, memory (flash/RAM), and peripherals onto a single die. It belongs to the broader hierarchy: microcontroller -> embedded processor -> semiconductor. 8-bit MCUs dominate cost-sensitive, low-power applications where 32-bit performance is unnecessary. Key features of the PIC12LF1612 include 256 bytes of RAM, a 10-bit ADC with dedicated channels, a 5-bit DAC, enhanced PWM modules, and zero-cross detection for TRIAC control. The device supports in-circuit serial programming (ICSP) and operates over the extended -40C to +85C industrial temperature range with low power consumption suitable for battery-powered designs. The PIC12LF1612 uses Microchip's enhanced mid-range PIC12 core with a hardware multiplier, 16-level stack, and interrupt-driven architecture. Its nanoWatt XLP technology offers sleep currents below 100 nA, making it suitable for energy harvesting or coin-cell applications where every microwatt matters. Typical applications include LED lighting control, small motor drives (PWM + CCP + zero-cross), PIR sensor signal conditioning, AC line voltage zero-cross detection for TRIAC/SCR triggering, capacitive touch sensing via the 5-bit DAC + ADC, and battery-powered IoT sensor nodes. The 1.8V minimum VDD also makes it usable in two-AA-cell designs. When designing with this device, ensure the ICSP programming interface is accessible (PGD/PGC pins on RA0/RA1) and reserve adequate decoupling (100nF + 10uF) near VDD. Watch the absolute maximum VDD of 4.0V; an LDO ahead of the MCU is mandatory when powered from 5V rails. This page synthesizes distributor pricing from DigiKey/Mouser/LCSC, drop-in alternatives (same SOIC-8 footprint), and practical design notes not consolidated on the manufacturer datasheet.

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PIC12LF1612T-I/SN

PIC12LF1612T-I/SN - 8-Bit 32MHz MCU 3.5KB Flash | Microchip

The Microchip Technology PIC12LF1612T-I/SN is an 8-bit Flash microcontroller built around the enhanced mid-range PIC12 core, delivering 32 MHz CPU performance with a 125 ns instruction cycle, 3.5 KB (2K x 14) of self-programmable Flash program memory, and 256 bytes of SRAM, all housed in a compact 8-pin SOIC package. It targets embedded control of small motors and general-purpose applications in cost- and space-constrained designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU, program memory (Flash/ROM), data memory (RAM), and a set of on-chip peripherals (ADC, timers, PWM, I/O). Within the broader semiconductor hierarchy, 8-bit MCUs sit under microcontrollers, which in turn belong to the embedded computing and power management-adjacent integrated circuit family. The PIC12LF1612 is part of Microchip's PIC12F/LF family - a sub-family optimised for low pin count (8 to 14 pins), low power, and small-footprint consumer/industrial applications. Key features include 6 general-purpose I/O pins, a 10-bit Analog-to-Digital Converter (ADC), a 5-bit Digital-to-Analog Converter (DAC), multiple Capture/Compare/PWM (CCP) modules, 24-bit Signal Measurement Timer (SMT) for precise time/capture functions, Zero Cross Detection, a Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and on-chip CRC plus a windowed Watchdog Timer (WWDT) for safety-critical support. The 'LF' suffix denotes the wide 1.8V-3.6V VDD range ideal for battery-powered 2xAA/coin-cell designs. Architecturally, the PIC12LF1612 uses Microchip's enhanced mid-range 14-bit instruction set with a hardware stack and single-cycle ALU, allowing deterministic interrupt latency. The CIP (Core Independent Peripherals) like CWG, NCO, and CLC operate without CPU intervention, freeing the core for application logic and reducing firmware complexity while improving EMC behaviour. Typical applications include small DC motor and fan control (PWM + CWG), LED lighting dimming (PWM + Zero Cross Detection), battery-powered IoT sensor nodes, fan/thermostat controllers, consumer appliances, and low-cost general-purpose embedded control boards where 8 pins and 32 MHz are sufficient. When designing with this MCU, observe absolute maximum VDD of 4.0V and use decoupling (100 nF + 1 uF) within 3 mm of VDD/GND. The 'T' suffix denotes Tape & Reel packaging for SMT production lines. This page synthesises distributor pricing, drop-in alternatives, and practical design notes that complement rather than duplicate the manufacturer datasheet.

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PIC12LF1822-E/MF

PIC12LF1822-E/MF - 8-bit MCU, 3.5KB Flash, 32MHz, XLP | Microchip

The Microchip Technology PIC12LF1822-E/MF is an 8-bit PIC® XLP™ flash microcontroller offering 3.5KB (2K x 14) of program memory, 256 bytes of EEPROM, and 128 bytes of RAM in an 8-pin DFN (3x3 mm) package. It runs up to 32 MHz instruction clock from an internal oscillator and supports 1.8V to 3.6V operation, making it a drop-in member of the PIC12(L)F1822/PIC16(L)F1823 family. Per the Microchip datasheet 40001413F, the device delivers nanoWatt XLP extreme-low-power technology with active current below 50 µA/MHz and sleep current in the nanoamp range, targeting battery- and energy-harvesting systems. A PIC microcontroller (MCU) is a compact programmable processor that integrates CPU core, non-volatile flash program memory, SRAM, EEPROM, and peripherals such as ADC, timers, comparators, and communication modules into a single IC. Within the broader taxonomy, the PIC12LF1822 belongs to the enhanced mid-range 8-bit PIC12 family, which sits below the PIC16 and PIC18 lines and above baseline 8-bit cores; XLP nanoWatt technology further classifies it as an ultra-low-power MCU ideal for IoT edge nodes, wearables, and remote sensors where quiescent current is critical. Key features of the PIC12LF1822-E/MF include an integrated 10-bit ADC with up to 7 channels, a 16-bit timer, a 10-bit PWM module, two comparators, an EUSART, and an MSSP module supporting SPI and I²C. The 8-pin DFN (3x3 mm) package gives designers 6 general-purpose I/O pins plus ICSP™/ICD programming access. The 'LF' suffix denotes the low-voltage F variant, and 'E/MF' specifies the industrial temperature grade (-40°C to +125°C) in DFN-8 packaging. Architecture-wise, the device uses a RISC-based PIC core with a single-cycle instruction execution at 200 ns (32 MHz) and a hardware stack supporting deep call nesting. The on-chip 32 MHz HFINTOSC and 31 kHz LFINTOSC eliminate external crystal requirements for many designs. CIPs (Core Independent Peripherals) such as the complementary waveform generator and configurable logic cells let the part handle events without waking the CPU, dramatically reducing average power. Typical applications include battery-powered IoT sensor nodes, wearable fitness/health monitors, remote controls, low-power wireless sensor end nodes (sub-1 GHz, BLE beacons), electronic shelf labels, smart-metering peripherals, and LED driver control loops. The wide 1.8V-3.6V range and DFN-8 footprint also make it attractive for space-constrained consumer and industrial modules. When designing with the PIC12LF1822-E/MF, place a 0.1 µF decoupling capacitor close to VDD and route the ICSPDAT/ICSPCLK lines with short, isolated traces for stable in-circuit debugging. Use the nanoWatt XLP sleep modes (doze, idle, sleep) to bring average current below 50 nA for battery-life-critical designs. The DFN-8 package requires thermal pad soldering per IPC-7351 for reliable production.

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PIC12LF1822-E/P

PIC12LF1822-E/P - 8-Bit 32MHz XLP MCU 3.5KB Flash DIP-8

The Microchip PIC12LF1822-E/P is an 8-bit CMOS flash microcontroller in the PIC® XLP™ 12F family, delivering 32 MHz CPU performance from 3.5 KB (2K x 14) of program flash and 128 bytes of RAM, housed in an 8-pin PDIP through-hole package. The -E temperature grade extends the operating range from -40C to +125C, suitable for industrial and extended-temperature applications. The 'LF' suffix designates the low-voltage variant, supporting operation from 1.8V to 3.6V with Microchip's nanoWatt XLP technology for ultra-low sleep current consumption. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (flash/ROM), data memory (RAM), and integrated peripherals such as timers, ADC, communication interfaces, and I/O pins. PIC microcontrollers use a RISC (Reduced Instruction Set Computer) architecture with a 14-bit wide instruction word, providing deterministic execution and compact code density. The PIC12F/LF family targets low pin-count (8-pin) cost-sensitive and space-constrained designs where minimal external components are required. PIC12LF1822 specifically sits in the enhanced mid-range PIC12 family, offering 200 ns instruction execution time at 32 MHz oscillator frequency. Key features include six I/O pins, an internal 32 MHz oscillator, internal 16 MHz HFINTOSC, multiple clock sources with software-selectable frequency, nanoWatt XLP sleep modes (down to ~20 nA typical), an integrated 10-bit ADC with up to 4 channels, 2 comparators, PWM modules, EUSART, MSSP (I2C/SPI), and on-board EEPROM emulation. The wide operating voltage and extreme low power consumption make it appropriate for battery-powered sensor and IoT endpoint designs. Architecture-wise, the PIC12LF1822 uses an enhanced mid-range 8-bit core with hardware multiplier support, interrupt handling with context save/restore, and a 16-level hardware stack. Internal peripherals share pins via peripheral pin select (PPS)-lite functionality, simplifying PCB routing in 8-pin constrained layouts. Typical applications include battery-powered IoT sensor nodes, remote controls, low-power wireless transmitters, LED lighting controllers, small appliance controls, smart home edge devices, and wearable accessories. The nanoWatt XLP feature extends battery life in duty-cycled applications to multi-year spans on coin cells. Designers should evaluate clock source selection and oscillator precision for timing-sensitive applications, since the internal 32 MHz oscillator has ±2% typical accuracy at 3V/25C. For designs requiring higher accuracy, an external crystal can be added, though this uses two I/O pins.

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PIC12LF1822-E/SN

PIC12LF1822-E/SN - 8-Bit 32MHz XLP MCU 3.5KB Flash | Microchip

The Microchip Technology PIC12LF1822-E/SN is an 8-bit PIC® XLP™ 12F family flash microcontroller delivering 32 MHz CPU performance with 3.5 KB (2K x 14 words) of program Flash memory in an 8-pin SOIC package. It features 128 bytes of RAM, 256 bytes of EEPROM, an integrated 32 MHz internal oscillator, and 6 I/O pins with peripheral pin select (PPS). The 'LF' prefix denotes the low-voltage variant operating from 1.8 V to 3.6 V, optimized for ultra-low-power (XLP) applications. An 8-bit microcontroller (MCU) is a compact, deterministic computing device that integrates a CPU, memory, and peripherals on a single silicon die, forming the lowest tier of the embedded controller hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC12 architecture uses a modified Harvard RISC core with a 14-bit instruction word, achieving 200 ns instruction execution at 32 MHz, well-suited for sensor interfacing, control loops, and low-power IoT endpoints. Key features include an integrated 32 MHz internal oscillator (no external crystal required), 10-bit ADC with computation (ADC2), multiple timers (Timer0, Timer1, Timer2), enhanced PWM, USART, SPI, and I²C peripherals, plus an on-chip temperature indicator. The device supports nanoWatt XLP sleep currents as low as 20 nA typical, with active currents near 50 µA/MHz at 3.3 V, enabling multi-year battery life in remote sensor nodes. The PIC12LF1822 uses Microchip's enhanced mid-range 8-bit core with single-cycle hardware multiply, hardware CWG (complementary waveform generator), and a four-channel enhanced PWM module. Its nanoWatt XLP technology suite includes low-power sleep, watchdog timer with on-chip LPRC, and ultra-low-power wake-on-change, making it a strong fit for energy-harvesting and always-on applications. Typical applications include IoT sensor nodes, wearable fitness/health bands, remote control key fobs, battery-powered metering, smart-home edge devices, and small motor/LED control boards. Its 1.8 V minimum supply allows direct connection to single-cell alkaline or rechargeable coin cells. When designing with this MCU, ensure VDD decoupling uses a 100 nF ceramic capacitor within 5 mm of the VDD pin, and consider using the internal LFINTOSC instead of an external crystal to minimize BOM cost and PCB area. The ICSP™ programming interface uses pins GP0 (ICSPCLK) and GP1 (ICSPDAT), so reserve these even in production layouts to enable field firmware updates. This page synthesizes distributor pricing (DigiKey, Mouser, LCSC), drop-in same-package alternatives, and engineering design notes that are not available in the manufacturer datasheet alone.

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PIC12LF1822-I/P

PIC12LF1822-I/P - 8-bit MCU, 3.5KB Flash, 32MHz XLP | Microchip

The Microchip PIC12LF1822-I/P is an 8-bit flash microcontroller based on the enhanced mid-range PIC12 core, delivering 32 MHz (200 ns instruction cycle) performance with 3.5 KB flash program memory, 128 bytes SRAM, and 256 bytes EEPROM in an 8-pin PDIP through-hole package. It features six I/O pins, an integrated 32 MHz internal oscillator, and the nanoWatt XLP (eXtreme Low Power) technology that drops active current to roughly 50 µA/MHz and sleep current down to about 20 nA. An 8-bit microcontroller (MCU) is a small computer on a single integrated circuit containing a CPU, RAM, non-volatile program memory, and I/O peripherals, designed for embedded control tasks. PIC12 microcontrollers belong to Microchip's 8-bit PIC® (Peripheral Interface Controller) family, which sits in the broader taxonomy of microcontrollers -> microprocessors -> semiconductors. Low pin-count PIC12 parts target simple, cost-sensitive, ultra-low-power applications where dedicated logic would be too rigid and a full 32-bit MCU would be over-spec. Key features include one 10-bit ADC with up to 4 input channels, two 8-bit timers plus one 16-bit timer, Enhanced PWM (ECCP) modules, an MSSP peripheral supporting SPI and I2C (both master and slave), an EUSART with LIN support, and an on-chip temperature indicator. The LF silicon supports 1.8V–3.6V operation, making it suitable for single-cell Li-ion, two-AA, and energy-harvesting rails. The part carries an industrial temperature rating of -40 °C to +85 °C. Architecturally, the PIC12LF1822 combines a RISC Harvard CPU with peripheral pin select (PPS) limited to fixed-function pins on the 8-pin package, an internal voltage reference for the ADC, and a configuration that supports in-circuit serial programming (ICSP) plus in-circuit debugging through PICkit 3, MPLAB ICD 3, or the optional AC244044 LF debug header. Typical applications include battery-powered sensor nodes, remote controls, wearable accessories, low-end IoT edge nodes, and consumer appliances that benefit from nanoWatt XLP sleep modes. It is also widely used as a glue controller to offload timing-critical tasks from a host processor, or as a housekeeping MCU providing watchdog and reset functions in larger embedded systems. When designing with this device, budget headroom for the internal oscillator accuracy across temperature (±1% typical at 25 °C, degrading at extremes) and place a 0.1 µF decoupling capacitor close to VDD. For low-noise ADC sampling, configure the part to sleep the CPU before triggering conversions to reduce digital switching noise. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet, supporting faster sourcing and design-in decisions for the PIC12LF1822-I/P.

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PIC12LF1822-I/SN

PIC12LF1822-I/SN - 8-bit 32MHz XLP MCU 3.5KB Flash | Microchip

The Microchip PIC12LF1822-I/SN is an 8-bit CMOS flash microcontroller built on the enhanced mid-range PIC12 core, delivering 32MHz (200ns instruction cycle) performance from a 2.5V to 3.6V supply in an 8-pin SOIC (SN) package. It integrates 3.5KB Flash program memory, 128 bytes RAM, 256 bytes EEPROM, and 6 I/O pins in a compact nanoWatt XLP package optimized for low-power embedded designs. What is a PIC microcontroller? A PIC (Peripheral Interface Controller) is a family of 8-bit RISC microcontrollers from Microchip Technology built around a Harvard architecture with separate program and data buses. PIC12 microcontrollers are the smallest, lowest-pin-count family (8-pin), positioning them as a sub-family of 8-bit microcontrollers within Microchip's broader portfolio of microcontrollers and digital signal controllers. The "LF" prefix indicates the low-voltage nanoWatt XLP variant, which targets battery-operated and energy-harvesting applications where deep sleep current is critical. Key features of the PIC12LF1822 include an internal 32MHz oscillator (selectable), 4-channel 10-bit ADC, two 8-bit timers plus one 16-bit timer, Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART), and two capture/compare/PWM modules. The nanoWatt XLP technology provides sleep currents as low as 20nA typical (watchdog disabled), making the part suited for always-on IoT endpoints and battery-powered sensor nodes. The integrated ICSP (In-Circuit Serial Programming) interface allows in-system firmware updates without removing the device from the board. Architecturally, the PIC12LF1822 uses a 14-bit instruction word with single-cycle execution except for branches, and provides hardware-level support for interrupt-driven designs with a prioritized interrupt controller. The on-chip voltage reference and fixed voltage reference module give the ADC a stable conversion baseline without external components, while the configurable Weak Pull-Up on each I/O pin reduces external resistor count in button-matrix or keypad interfaces. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, wearable health monitors, automotive interior lighting, and portable consumer electronics. The part is also widely used as a compact system management controller in larger designs, providing housekeeping, watchdog, and housekeeping-power functions. The 6 available I/O pins plus dedicated ICSP pins allow the entire application to be implemented with no additional logic devices. When designing with this device, place a 0.1uF decoupling capacitor as close as possible to the VDD pin and tie all unused I/O pins to defined logic levels (either VDD or VSS) to minimize current leakage. The internal oscillator can be tuned via the OSCTUNE register, and clock switching between internal and external sources is supported at runtime. Programming is performed via the PICKit 3, MPLAB ICD 3, or compatible programmers using the ICSP interface, and the device supports both high-voltage and low-voltage ICSP entry methods. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical low-power design notes not found in the manufacturer datasheet alone. Information gain is provided by the drop-in replacement matrix, nanoWatt XLP sleep current guidance, and application-specific circuit recommendations sourced from Microchip reference designs.

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PIC12LF1822T-I/MF

PIC12LF1822T-I/MF - 8-Bit XLP MCU, 32MHz, 3.5KB Flash, 8-DFN | Microchip

The Microchip Technology PIC12LF1822T-I/MF is an 8-bit PIC® XLP™ 12F-series microcontroller built on a nanoWatt XLP (eXtreme Low Power) CMOS process, offering up to 32 MHz CPU clock, 3.5 KB (2K × 14) self-programmable Flash program memory, 128 bytes of SRAM, and 256 bytes of EEPROM in a compact 8-pin 3×3 mm DFN (MF) package. The "LF" suffix denotes the wide 1.8V–3.6V VDD variant, distinguishing it from the 1.8V–5.5V "F" sibling. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, working RAM, and programmable peripherals on one die. PIC12-series parts are Microchip's low-pin-count 8-bit PIC16/17-architecture microcontrollers optimized for cost- and power-sensitive embedded control. They sit within the hierarchy: PIC12 (sub-family) -> PIC16/PIC18 (mid-range PICs) -> 8-bit PIC microcontrollers -> microcontrollers -> microprocessors -> semiconductors. Key features include five timers (Timer0, Timer1, Timer2 plus two SMT/SRN units), a 4-channel 10-bit ADC with internal voltage reference, a 1-channel 5-bit DAC, a 5-bit DAC reference, two PWM modules with complementary outputs, an Enhanced USART (EUSART) supporting LIN/IrDA, and a Master Synchronous Serial Port (MSSP) configurable for SPI or I²C (master/slave). The device also integrates two comparators, a 32 kHz WDT, brown-out reset, and an on-chip 16 MHz internal oscillator with PLL. The nanoWatt XLP architecture enables typical sleep currents below 50 nA (depending on configuration), making the PIC12LF1822T-I/MF suitable for battery- or energy-harvesting endpoints. The 200 ns instruction execution (5 MIPS at 32 MHz) supports responsive control loops despite the modest clock budget. Peripherals are remappable via Peripheral Pin Select (PPS)-equivalent multiplexers, allowing flexible signal routing in the 8-pin package. Typical applications include low-power IoT sensor nodes, wearable electronics, battery-powered remote controls, LED lighting controllers, and compact industrial sensor front-ends. The 32 MHz internal oscillator with ±1% accuracy (factory calibrated) eliminates an external crystal on most designs, reducing BOM and PCB area. When designing with this part, ensure the chosen VDD falls within 1.8V–3.6V and the in-circuit serial programming (ICSP) lines are accessible for production firmware updates via PICkit™ 3 or MPLAB Snap. Pay attention to the DFN exposed pad thermal/mounting requirements. This page synthesizes XAIPART distributor pricing, 7 drop-in alternatives with quantified key differences, and practical design notes not found on any single distributor product page.

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PIC12LF1822T-I/RF

PIC12LF1822T-I/RF - 8-bit 32MHz MCU 3.5KB Flash | Microchip

The Microchip Technology PIC12LF1822T-I/RF is an 8-bit PIC microcontroller from the PIC12 family delivering 32MHz CPU performance, 3.5KB (2K x 14 words) of Flash program memory, 128 bytes of SRAM, and 256 bytes of EEPROM in an 8-pin UDFN (3x3 mm) package. It belongs to the PIC12F/LF1822 sub-family, an enhanced mid-range core with nanoWatt XLP technology for ultra-low-power operation. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM, EEPROM), and peripheral subsystems (ADC, timers, communication interfaces) into one package. The PIC12F/LF1822 occupies the hypernym hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The 'LF' suffix denotes the wide-voltage 1.8V-3.6V variant optimized for battery-powered applications, while the non-LF 'F' variant targets 2.3V-5.5V rails. Key features include a 10-bit ADC with up to 12 channels, two 8-bit timers plus one 16-bit timer, enhanced PWM, an MSSP module supporting SPI and I2C, an EUSART for UART, an on-board configurable reference, and an internal 32MHz oscillator. The nanoWatt XLP technology achieves sub-microamp sleep currents, making the part suitable for energy-harvesting and coin-cell designs. Five selectable oscillator modes cover crystals, resonators, and external clocks up to 32MHz. The PIC12LF1822 uses an enhanced mid-range 8-bit RISC core with a 14-bit instruction word and a single-cycle hardware multiplier. Harvard architecture separates program and data buses for deterministic 8MIPS throughput at 32MHz. On-chip in-circuit debug support allows MPLAB X IDE debugging without an external debug header, though AC244044 is available as an LF-version external header. Typical applications include IoT sensor nodes, wearable health patches, wireless remote controls, LED driver controllers, battery-powered instrumentation, and small-form-factor consumer devices. The wide 1.8V-3.6V range enables direct connection to single Li-ion, two-coin-cell, or alkaline battery stacks without additional regulation. Designers should reserve pin 1 (VDD) and pin 8 (VSS) for the lowest-impedance supply decoupling - typically 100nF ceramic placed within 2mm of the pads. The ICSP/ICD pins (RA5/RA0) require isolation resistors in production designs to avoid contention with application circuitry. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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PIC12LF1822T-I/SN

PIC12LF1822T-I/SN - 8-bit XLP MCU 3.5KB FLASH 8-SOIC | Microchip

The Microchip Technology PIC12LF1822T-I/SN is an 8-bit PIC12 XLP (eXtreme Low Power) microcontroller IC running up to 32MHz internal oscillator, integrating 3.5KB (2K x 14) of Flash program memory and 128 bytes of RAM in an 8-pin SOIC (SN) package supplied on Tape & Reel. According to the verified web data, the device operates over a 2.3V to 3.6V supply range (with operation down to 1.8V supported at 16MHz per the manufacturer datasheet family specification) and exposes 6 general-purpose I/O pins with rich on-chip peripherals. An 8-bit microcontroller (MCU) is a small, self-contained computing element that combines a CPU, non-volatile program memory, working RAM, and configurable peripherals on a single CMOS die. The PIC12 family sits at the entry of Microchip's 8-bit portfolio and is widely used where deterministic execution, small footprint, and ultra-low standby current are required. Within the broader taxonomy, the PIC12LF1822 is a flash-based mid-range core (14-bit instruction word) device, placing it below 16-bit and 32-bit MCUs in performance but above simple hardware state machines in programmability. Key features highlighted by the manufacturer product family include 3.5KB Flash, 128 bytes RAM, integrated 32MHz internal oscillator, nanoWatt XLP sleep current, an enhanced mid-range core with 200ns instruction execution, ICSP (in-circuit serial programming) on dedicated pins, and on-chip peripherals such as comparators, PWM, ADC, and multiple communication modules. The part also supports both high-voltage and low-voltage ICSP, allowing flexible in-field programming and debug via PICkit 3 / MPLAB. Typical applications include battery-powered IoT sensors, low-energy remote controls, wearable fitness bands, LED lighting controllers, and compact consumer appliances. The device's combination of small 8-SOIC footprint, eXtreme Low Power technology, and 6 configurable I/O makes it a frequent choice when a full 16-bit MCU is over-spec'd but discrete logic is too inflexible. When designing with this MCU, allocate pins early for ICSP and decide whether the internal 32MHz oscillator is sufficient or if an external crystal is required for timing-sensitive UART or USB applications. Ensure unused I/O pins are configured as outputs to minimise sleep current leakage. This page synthesizes distributor pricing, drop-in alternatives within the same SOIC-8 footprint, and practical design notes not found in the manufacturer datasheet.

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PIC12LF1840-E/MF

PIC12LF1840-E/MF - 8-Bit XLP MCU 7KB 8-DFN | Microchip

The Microchip Technology PIC12LF1840-E/MF is an 8-bit PIC microcontroller in the nanoWatt XLP family, featuring 7KB (4K x 14) of Flash program memory and running at up to 32MHz internal oscillator. It is housed in an 8-pin DFN (3x3 mm) package with exposed pad, operates from 1.8V to 3.6V (LF variant), and integrates peripheral interfaces including ADC, PWM, comparators, and configurable logic cells in a footprint smaller than a SOIC-8. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), EEPROM, and on-chip peripherals. Within the hierarchy, PIC12LF1840 belongs to the 8-bit PIC10/12/16 family of microcontrollers -> mid-range enhanced core architecture -> RISC microcontrollers -> embedded computing ICs -> semiconductors. The PIC12LF1840 is the low-voltage 'LF' member of the PIC12F1840 family, optimized for battery-friendly operation with nanoWatt XLP technology achieving sub-uA sleep currents. Key features include 32MHz max CPU speed via internal oscillator (8MHz factory calibrated), 256 bytes of EEPROM data memory, 256 bytes of RAM, six I/O pins multiplexed with peripherals, 10-bit ADC with up to 4 channels, enhanced PWM, comparators, EUSART, MSSP (SPI/I2C), and configurable logic cells. The 8-DFN package at 3x3mm makes it one of the smallest PIC microcontrollers available while retaining an exposed pad for thermal dissipation and ground integrity. The PIC12LF1840 uses Microchip's enhanced mid-range core with 49 instructions, 16-level hardware stack, and self-read/write Flash capability. Internal oscillator accuracy reaches ±1% after calibration, supporting UART communication without an external crystal in most designs. The nanoWatt XLP technology delivers typical sleep currents below 100 nA, enabling multi-year battery life on coin cells. Typical applications include battery-powered IoT sensor nodes, wearable electronics, remote controls, low-power wireless sensor transmitters, LED lighting controllers, and consumer accessories. The combination of small footprint, wide peripheral integration, and ultra-low sleep current makes it ideal for space- and energy-constrained designs. When designing with the PIC12LF1840-E/MF, note the 8-DFN package requires careful PCB layout with thermal pad soldering to the ground plane for mechanical reliability and thermal performance. The 'E' temperature grade denotes -40C to +125C operation, making it suitable for industrial and automotive underhood applications. Programming is supported by MPLAB X IDE with PICkit, ICD, or Curiosity development tools. This page synthesizes distributor pricing, drop-in alternatives, application guidance, and engineering design notes that extend beyond the manufacturer datasheet, helping engineers select, source, and integrate the PIC12LF1840-E/MF efficiently.

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PIC12LF1840-E/P

PIC12LF1840-E/P - 7KB Flash 8-Bit MCU, 32MHz, XLP | Microchip

The Microchip Technology PIC12LF1840-E/P is an 8-bit PIC® XLP™ 12F microcontroller featuring 7KB (4K x 14) Flash program memory, 256 bytes of EEPROM, and 256 bytes of SRAM, packaged in an 8-pin PDIP through-hole format. It operates from 1.8V to 3.6V and integrates a 32MHz internal oscillator, delivering up to 32MHz CPU performance (200 ns instruction cycle) while consuming only nanoWatt XLP sleep currents. The part is qualified to the extended (-40C to +125C) temperature grade as denoted by the "-E" suffix. An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU, RAM, non-volatile program memory, and peripherals on a single die. Within the broader taxonomy, the PIC12LF1840 belongs to: 8-bit PIC MCU -> enhanced mid-range (XLP) PIC12 family -> PIC PIC12F -> flash microcontroller -> microcontroller -> semiconductor. Its XLP (eXtreme Low Power) technology provides sub-microamp sleep currents, making the PIC12LF1840 a strong choice when battery life dominates the design trade-off. Key differentiating features include four 10-bit ADC channels (with computation), two PWM modules, an EUSART, an MSSP (I2C/SPI) module, two comparators, and a data signal modulator. Peripherals are routed through Microchip's Peripheral Pin Select (PPS) for flexible I/O mapping. Internal oscillator accuracy is +/-2% across voltage and temperature, eliminating the need for an external crystal in most designs. The PIC12LF1840 implements an enhanced mid-range 14-bit instruction set architecture (200 ns per instruction at 32 MHz) with a hardware multiplier and a vectored interrupt controller supporting context save/restore. The integrated Core Independent Peripherals (CIPs) - including the CWG, NCO, and DSM blocks - allow complex signal generation and modulation without CPU intervention, freeing the 8-bit core for application logic. Typical applications include battery-powered sensor nodes, low-end remote controls, LED lighting controllers, IoT edge nodes, and consumer appliances where cost, footprint, and ultra-low sleep current dominate the BOM. The 8-pin PDIP package also makes it a popular choice for hobbyist, education, and breadboard-friendly prototypes using the MPLAB PICkit 5 in-circuit debugger. When designing with this device, observe absolute maximum VDD of 4.0V (operate within 1.8-3.6V) and ensure I/O sink/source ratings (25 mA per pin, 90 mA per port) are respected. Decouple VDD with at least 0.1uF ceramic placed within 5 mm of the supply pin, and leave MCLR unbonded when not used as a reset input. This page synthesizes verified distributor pricing, drop-in pin-compatible alternatives within the PIC12 family, and practical design notes not collected in the manufacturer datasheet.

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PIC12LF1840-E/SN

PIC12LF1840-E/SN - 8-bit 32MHz MCU 7KB Flash 8-SOIC | Microchip

The Microchip Technology PIC12LF1840-E/SN is an 8-bit PIC microcontroller from the enhanced mid-range PIC12 family, delivering 32 MHz CPU performance with 7 KB Flash program memory, 256 bytes EEPROM, and 256 bytes RAM in an 8-pin SOIC (SN) package. The 'LF' designation indicates the low-voltage variant with a 1.8 V to 3.6 V operating range, while the 'E' suffix marks the extended industrial temperature grade of -40 °C to +125 °C. This device integrates a 32 MHz internal oscillator, a 4-channel 10-bit ADC, a comparator with selectable voltage reference, an Enhanced Capture/Compare/PWM (ECCP) module, an EUSART with auto-baud, MI2C, SPI, mTouch capacitive sensing, and a Data Signal Modulator (DSM). An 8-bit microcontroller (MCU) is a small, single-chip computer built around a CPU with an 8-bit data path, integrated Flash program memory, RAM, EEPROM, and a rich set of peripherals including timers, ADC, and serial interfaces. Within the broader taxonomy, an 8-bit MCU is a subset of microcontrollers (MCU), which themselves belong to the integrated circuit (IC) hierarchy. PIC microcontrollers use a modified Harvard RISC architecture with a small instruction set optimized for deterministic interrupt response and low-power operation. The PIC12 sub-family targets space-constrained, cost-sensitive, and low-power embedded designs, with the 'LF' grade allowing direct operation from a single lithium cell. Key features include nanoWatt XLP extreme low-power technology with sleep currents as low as 20 nA typical, an active clock tuning mechanism for the internal 32 MHz oscillator, an integrated 5-bit DAC and selectable voltage reference, on-chip ICD debugging support, and 25 mA source/sink capability on I/O pins. The internal 32 MHz oscillator provides instruction cycle times down to 125 ns, eliminating the need for an external crystal in many designs. Architecturally, the PIC12LF1840 uses a 14-bit instruction word enhanced mid-range core with 16 stack levels, self-read/write capable Flash, and an instruction set optimized for compiler efficiency. The Data Signal Modulator allows mixing of peripheral outputs (PWM, comparator, etc.) for advanced signal conditioning without CPU intervention. Typical applications include battery-powered IoT sensor nodes, low-cost remote controls, capacitive touch user interfaces, automotive body electronics (under-the-hood modules needing extended temp), LED lighting controllers with dimming/PWM, and portable consumer devices powered by coin-cell or single Li-ion cells. Design consideration: when migrating from the F-version (PIC12F1840) the L-voltage range must be respected (1.8 V to 3.6 V); programming voltage and ICSP timing parameters should be reviewed against the datasheet. The 8-SOIC package has limited I/O (5 usable), so pin function multiplexing via PPS-equivalent remap must be planned early. This page synthesizes distributor inventory from DigiKey/Mouser, drop-in same-package alternatives, and practical design considerations beyond what the datasheet alone provides.

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PIC12LF1840-I/SN

PIC12LF1840-I/SN - 8-bit 32MHz XLP MCU, 7KB Flash, 8-SOIC | Microchip

The Microchip Technology PIC12LF1840-I/SN is an 8-bit CMOS flash microcontroller built on the PIC® enhanced mid-range core, operating up to 32 MHz with 7 KB (4K x 14) of Flash program memory and 256 bytes of SRAM, housed in an 8-pin SOIC package. The 'LF' variant targets low-voltage / low-power applications with a supply range down to 1.8 V, complementing the standard PIC12F1840 (2.3–5.5 V) version, and integrates Microchip's eXtreme Low Power (XLP) technology for nanoWatt sleep currents. An 8-bit microcontroller is a small computing-on-a-chip device that executes instructions on 8-bit data words; it sits within the broader taxonomy of microcontroller -> embedded controller -> semiconductor. PIC® microcontrollers use a RISC-style Harvard architecture with separate program and data buses, which enables deterministic instruction timing - most instructions execute in one instruction cycle, simplifying real-time firmware design compared with accumulator-based CISC cores. Key features of the PIC12LF1840-I/SN include 7 KB Flash, 256 B SRAM, 256 B EEPROM, six I/O pins, four 10-bit ADC channels, two 8-bit timers plus one 16-bit timer, enhanced PWM/CCP/ECCP modules, two comparators, an EUSART, an MSSP (SPI/I²C), an on-chip 32 MHz internal oscillator, and 49 instruction opcodes with a 16-level hardware stack. Per the datasheet, XLP sleep currents are in the low-nanoampere range while the active core draws only a few hundred microampere per MHz. Typical applications include battery-powered sensor nodes, remote controls, low-end wearable accessories, energy-harvesting controllers, IoT edge nodes, simple LED driver sequencers, and consumer white-goods user-interface boards. The wide 1.8–3.6 V supply window makes it well suited to single-cell Li-ion or two-alkaline-cell topologies. When designing, choose the internal 32 MHz oscillator to minimize external components and use the LFDS regulator for deep sleep; configure unused I/O as outputs to avoid current leakage, and read errata notes for rev-A silicon peculiarities such as ADC gain-offset behavior in extreme temperatures.

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PIC12LF1840T-I/MF

PIC12LF1840T-I/MF - 8-bit 32MHz 7KB Flash MCU 8-DFN | Microchip

The Microchip Technology PIC12LF1840T-I/MF is an 8-bit PIC microcontroller from the PIC® XLP™ 12F family, featuring a 32 MHz enhanced mid-range CPU core, 7 KB (4K x 14) of self-read/write Flash program memory, 256 bytes of EEPROM, and 256 bytes of RAM in an 8-pin 3x3 mm DFN (Dual Flat No-lead) package. The "LF" suffix denotes the wide 1.8V-3.6V low-voltage variant optimized for nanoWatt XLP extreme-low-power operation, making it suitable for battery-powered and energy-harvesting designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. Within the MCU taxonomy, this part is an 8-bit RISC microcontroller (Harvard architecture), belonging to the broader semiconductor category of integrated circuits used for embedded control. Its PIC® XLP™ 12F lineage emphasizes tiny package footprints, low active current, and ultra-low sleep currents — qualities that place it in the same engineering niche as ultra-low-power 8-bit MCUs from competing vendors. Key features include a 32 MHz maximum oscillator with 125 ns instruction cycle, 49 instruction set with all single-cycle except branches, 16-level hardware stack, internal 31 kHz LF oscillator, and selectable 31 kHz internal oscillator for power-saving modes. The device integrates a 10-bit ADC with up to 6 channels, 2 capture/compare/PWM modules, enhanced USART, MSSP (I2C/SPI), 2 comparators, and an 8-bit DAC reference. nanoWatt XLP technology delivers typical sleep currents under 50 nA, enabling multi-year coin-cell operation. The PIC12LF1840T-I/MF operates across the industrial -40°C to +85°C temperature range (the "I" grade) and ships on tape-and-reel (the "T" suffix) for high-volume SMT assembly. The DFN-8 (3x3 mm) exposed-pad package provides a compact PCB footprint and enhanced thermal dissipation for handheld and space-constrained designs. Typical applications include IoT sensor nodes, remote control transmitters, low-power wireless end nodes, battery monitoring ICs, smart wearables, and consumer electronics that require long battery life in a sub-1 cm² footprint. The DFN package is also preferred for hand-held medical disposables and RFID/security tags where PCB area is at a premium. When designing with this device, ensure the exposed pad is soldered to the PCB ground plane for mechanical strength and thermal performance. Because the LF variant operates only up to 3.6V, verify all peripherals share a common low-voltage rail; stepping up to the PIC12F1840 (4.0V-5.5V) variant is recommended for 5V systems. This page synthesizes distributor stock and pricing, pin-compatible drop-in alternatives from the same Microchip PIC12 family, and practical design notes not found in the manufacturer datasheet — providing a one-stop engineering reference for the PIC12LF1840T-I/MF.

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PIC12LF1840T-I/RF

PIC12LF1840T-I/RF - 8-bit 32MHz XLP MCU 7KB Flash | Microchip

The Microchip Technology PIC12LF1840T-I/RF is an 8-bit PIC microcontroller from the PIC12F series, featuring the eXtreme Low Power (XLP) technology, 7KB (4K x 14) of Flash program memory, and 256 bytes of RAM. Housed in an 8-pin UDFN (also referred to as 8-DFN, 3x3 mm) package with an exposed thermal pad, it operates at up to 32MHz internal clock speed and supports a supply voltage range of 1.8V to 3.6V, making it ideal for battery-powered applications. The device integrates six I/O pins, enhanced mid-range core, 10-bit ADC, comparators, PWM modules, and internal oscillator. A PIC microcontroller (MCU) is a compact, programmable integrated circuit that combines a CPU, non-volatile Flash program memory, volatile RAM, and configurable peripherals on a single silicon die. Within Microchip's taxonomy it sits below the dsPIC DSC family and the 16-bit and 32-bit MCU families; PIC microcontrollers are widely used in cost- and power-sensitive embedded designs where deterministic interrupt response and rich peripheral integration matter more than raw compute throughput. Key features of this part include XLP technology for sub-microamp sleep currents, an internal 32MHz oscillator with PLL, multiple communication peripherals including EUSART, MSSP (SPI/I2C), and on-chip 10-bit ADC with up to 4 channels. The 8-pin UDFN package offers a compact 3x3 mm footprint with exposed pad, while the operating temperature range of -40C to +85C supports industrial-grade deployments. Typical applications include wearable electronics, IoT sensor nodes, battery-powered remote controls, low-power wireless transmitters (the LF variant supports 1.8V-3.6V operation needed by RF companion chips), and small-form-factor consumer devices. The integrated peripherals reduce BOM cost by eliminating external ADC, comparator, or oscillator components. When designing with this MCU, ensure the exposed pad (pin 9 / EP) is properly soldered to the PCB ground plane to meet the published thermal resistance specification. For code development, Microchip's MPLAB X IDE with XC8 compiler and PICkit 5 in-circuit debugger are the canonical tool chain, and ICSP programming is supported through dedicated PGx and PGDx pins. This page synthesizes distributor pricing tiers, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet itself, giving the engineer a single decision-ready reference for selecting and sourcing the PIC12LF1840T-I/RF.

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PIC12LF1840T-I/SN

PIC12LF1840T-I/SN - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip

The Microchip PIC12LF1840T-I/SN is an 8-bit PIC microcontroller from the PIC12F series featuring eXtreme Low Power (XLP) technology, 7KB (4K x 14) of Flash program memory, 256 bytes of EEPROM, and 256 bytes of SRAM, all housed in an 8-pin SOIC (SN) package supplied on tape and reel. The device runs at up to 32 MHz from its internal oscillator and operates across a wide 1.8V to 3.6V supply range, targeting battery-powered and energy-harvesting designs. An 8-bit microcontroller (MCU) is a small single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripheral interfaces onto a single silicon die. Within the system hierarchy, MCUs sit between discrete logic and full microprocessors, occupying the role of programmable decision-makers in embedded systems. The 8-bit PIC12 family in particular targets compact, cost-sensitive applications where 6 or fewer I/O pins suffice, with variants like the PIC12LF1840 optimized for ultra-low standby current. Key features of the PIC12LF1840 include an enhanced mid-range core with 49 instructions and a 16-level hardware stack, four 10-bit ADC channels with selectable voltage reference, an enhanced Capture/Compare/PWM (ECCP) module, a comparator with selectable voltage reference, an integrated mTouch capacitive sensing module, and a Data Signal Modulator (DSM). Communication interfaces cover MI2C, SPI, and EUSART with auto-baud. Per I/O pin, the device can source or sink up to 25 mA, simplifying direct LED or transistor drive without external buffers. Architecturally, the device pairs a single-cycle ALU with self-read/write Flash, supporting field firmware updates and EEPROM emulation. The internal 32 MHz oscillator is factory-calibrated and selectable down to 31 kHz for low-power timing, while the nanoWatt XLP sleep modes drop current consumption into the nanoampere range - critical for coin-cell and energy-harvesting applications. Typical applications include battery-powered sensor nodes, IoT edge devices, capacitive touch user interfaces, LED lighting controllers, and low-cost consumer electronics. The combination of small footprint, low power, and rich peripherals also makes it suitable for automotive body electronics subsystems and industrial control front-ends. When designing with this part, prioritize decoupling close to VDD, keep analog traces short, and use the ICSP pins (RA0/RA1) carefully to avoid conflicts with high-impedance analog channels. The tape-and-reel -T suffix is intended for high-volume assembly. This page synthesizes verified distributor pricing, drop-in SOIC-8 alternatives, and practical design notes not aggregated on any single manufacturer or distributor page.

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PIC14000-04/SO

PIC14000-04/SO - 8-Bit Mixed Signal MCU, 7KB OTP, 28-SOIC

The Microchip PIC14000-04/SO is an 8-bit CMOS OTP-based mixed-signal microcontroller in the PIC14 family, integrating a 4 MHz RISC core with 7 KB (4K x 14) of OTP program memory and 192 bytes of SRAM in a 28-pin SOIC (0.295 inch / 7.50 mm width) package. The device executes instructions in a single 200 ns cycle (except program branches, which take two cycles) from a compact 35-instruction word set, and provides 20 digital I/O pins plus a rich analog front-end tailored for sensor and signal-conditioning tasks. Background: An 8-bit mixed-signal microcontroller is a single-chip computer that combines a CPU, non-volatile program memory (here, One-Time Programmable EPROM), RAM, digital I/O, and on-chip analog peripherals such as ADCs, DACs, references, and current sources. The PIC14 family sits between PIC10/12 (smallest 8-bit MCUs) and PIC16/18 (general-purpose 8-bit) in Microchip's taxonomy, optimized specifically for closed-loop analog control and signal-acquisition applications rather than general-purpose logic. Differentiating features include a 16-bit sigma-delta slope A/D converter, an on-chip bandgap voltage reference, an internal RC oscillator, a temperature sensor, a 4-bit programmable current source, a Low-Voltage Detector (LVD), a programmable voltage-reference generator, and a voltage-regulator control output. These blocks let a single PIC14000 replace a typical MCU plus several external analog ICs in a closed-loop sensor design. The architecture uses a Harvard-style RISC core with separate program and data buses, allowing instruction fetch and operand access in one cycle. The mixed-signal analog engine is partitioned around a precision bandgap, and the device supports both 3.3 V and 5 V operation, making it flexible across battery-powered and industrial-rail designs. Typical applications include SMPS secondary-side control, battery chargers, sensor conditioning, programmable current loops, and closed-loop fan/thermo control. The wide operating range and integrated analog blocks reduce external component count on tightly-constrained PCBs. Design consideration: PIC14000 is marked Not Recommended for new designs by Microchip; for new designs the datasheet itself points to the PIC16F883 as the modern replacement with enhanced peripherals, more memory, and active lifecycle status. This page consolidates distributor inventory, parametric position, and pin-compatible same-family alternatives for engineers maintaining legacy PIC14000-based designs.

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PIC14000-04/SS

PIC14000-04/SS - 4MHz 8-bit Mixed Signal MCU 28-SSOP | Microchip

The Microchip Technology PIC14000-04/SS is an 8-bit CMOS OTP-based mixed-signal microcontroller in a 28-pin SSOP package, integrating a 200 ns instruction-cycle RISC core with a 16-bit sigma-delta A/D converter, 4-bit programmable current source, bandgap voltage reference, internal temperature sensor, LVD (low-voltage detector), voltage-regulator control output, and a programmable reference generator. It delivers 4 MHz maximum clock speed, 7 KB (4K x 14) of OTP program storage, 192 bytes of data RAM, and 20 digital I/O lines, with an operating supply voltage of 2.7 V to 6.0 V across the commercial 0C to +70C range. According to the Microchip PIC14000 datasheet DS40122, the device is a member of the PIC® 14 family of mixed-signal controllers targeting power-supply monitoring and battery-charger analog front-ends. A mixed-signal microcontroller (MSMCU) combines a traditional digital MCU core with high-precision analog peripherals on a single die. In system hierarchies, the PIC14000 belongs to: MCU -> microcontroller -> embedded controller -> semiconductor IC. The PIC® 14 family was specifically designed for closed-loop analog control applications where a discrete MCU plus op-amp + ADC + DAC chain would be too large or expensive. Key differentiating features of the PIC14000-04/SS include its integrated 16-bit sigma-delta A/D converter (eliminating an external precision ADC), a programmable constant-current source for sensor excitation, on-chip bandgap reference with internal temperature sensor for self-monitoring, and LVD plus a voltage-regulator control PWM output that allows the device to act as the brain of a closed-loop switching supply. The 35-instruction RISC core is RISC architecture with Harvard bus and 200 ns instruction execution at 4 MHz. Typical applications include switching power supply control (PFC, battery chargers), closed-loop battery chargers, sensor signal conditioning, programmable current sources, and standalone analog front ends where a low pin-count mixed-signal MCU replaces a larger MCU + external ADC. When designing with this device, ensure the OTP programming step is budgeted into the production flow, as one-time-programmable memory cannot be field-updated. Decouple VDD with a 100 nF ceramic capacitor close to the pin and provide adequate bulk capacitance for the analog reference. This page synthesizes Microchip product-page information, distributor pricing (Mouser, DigiKey), drop-in same-package alternatives from the PIC14000 product family, and practical design notes that go beyond the manufacturer datasheet.

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PIC14000-04I/SO

PIC14000-04I/SO - 8-Bit 4MHz Mixed-Signal MCU | Microchip | 28-SOIC

The Microchip PIC14000-04I/SO is a 28-pin 8-bit mixed-signal microcontroller based on the PIC RISC architecture, featuring a 4 MHz CPU, 7 KB (4K x 14) OTP program memory and 192 bytes of SRAM, housed in an industrial-grade 28-SOIC package. The /SO suffix denotes the SOIC surface-mount package with industrial temperature grade (-40C to +85C). A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and programmable I/O peripherals onto one silicon die. PIC MCUs use a RISC-based Harvard architecture, which separates program and data memory paths to allow simultaneous instruction fetch and operand access. The PIC14xx family extends this architecture with on-chip analog peripherals such as an 8-bit ADC, voltage reference, comparators, and a switched-capacitor bandgap, making the PIC14000 specifically a 'mixed-signal controller' rather than a pure digital MCU. Key features include 35 single-word instructions, all executing in a single cycle except program branches (which take two cycles), 200 ns instruction execution time at 20 MHz, 20 programmable digital I/O pins, 5 external interrupts, 6 internal interrupts, and an 8-bit ADC with 8 channels. The device supports multiple power-saving SLEEP modes and wakes via interrupt or reset. The 28-SOIC package provides 0.295 inch (7.50 mm) body width suitable for hand-soldering and reflow profiles in industrial designs. The PIC14000 architecture combines a RISC core with integrated analog blocks: an 8-bit successive-approximation ADC, an on-chip voltage regulator, programmable gain stages, and charge-balancing measurement circuitry. This analog integration allows direct interface to sensors such as thermocouples and bridge-type transducers without external signal conditioning. Typical applications include battery charging controllers, battery capacity monitoring, smart battery management, precision data logging, and standalone sensor signal conditioning. The device's combination of low-power SLEEP modes and on-chip analog makes it a fit for portable and energy-harvesting products where PCB area and BOM cost dominate. When designing with this part, note that the PIC14000 is OTP (one-time programmable) and is marked by Microchip as 'Not Recommended for new designs' (NRND). For new designs, select PIC16F or PIC18 families. The /SO package is compatible with standard SOIC-28 footprints but requires careful thermal and EMI layout around the analog inputs.

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PIC14000-20/SS

PIC14000-20/SS - 8-Bit 20MHz Mixed-Signal MCU, 7KB OTP, 28-SSOP | Microchip

The Microchip PIC14000-20/SS is an 8-bit mixed-signal CMOS microcontroller built on the PIC14 architecture, integrating a high-performance RISC CPU with on-chip analog peripherals in a 28-pin SSOP package. Key headline parameters: 20 MHz maximum clock, 7 KB (4K x 14) OTP program memory, 192 bytes RAM, and 20 digital I/O pins. The device is specified for commercial-grade 0C to +70C operation. A mixed-signal microcontroller combines a digital microcontroller core with integrated analog peripherals such as ADCs, DACs, voltage references, and current sources on a single silicon die. This category, often called a Programmable Mixed Signal Controller (PMSC), sits within the broader hierarchy of microcontroller -> embedded controller -> semiconductor IC. Mixed-signal MCUs are widely used in closed-loop control, sensor signal conditioning, and power-management applications where a few analog channels are needed without the cost of a separate ADC chip. The PIC14000 integrates a 16-bit Sigma-Delta slope ADC, an on-chip temperature sensor, a bandgap voltage reference, a 4-bit programmable current source, a programmable reference generator, a low-voltage detector (LVD), and a voltage regulator control output. This analog integration reduces bill-of-materials count in closed-loop systems. The PIC RISC architecture executes instructions in 200 ns at 20 MHz, with all instructions single-cycle except program branches (two-cycle), and only 35 single-word instructions to learn. Typical applications include SMPS primary-side control, battery chargers, sensor signal conditioning, programmable current sources, industrial process controllers, and intelligent power management modules. The combination of OTP program memory, internal oscillator, and integrated voltage regulation makes the PIC14000 suited for cost-sensitive industrial designs. Designers should note that the PIC14000 is flagged as Not Recommended for new designs by Microchip. Existing designs may continue using the part, but new projects should evaluate PIC16 or PIC18 alternatives from Microchip's current portfolio. Decoupling, analog ground isolation, and adequate PCB thermal relief around the SSOP-28 pad are recommended for the 28-SSOP package. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC14000-20I/SP

PIC14000-20I/SP - 8-Bit 20MHz Mixed-Signal MCU | Microchip

The Microchip Technology PIC14000-20I/SP is a 28-pin programmable mixed-signal controller from the PIC® 14 family, integrating an 8-bit RISC CPU core with analog peripherals in a 28-SPDIP through-hole footprint. The device executes instructions at 20 MHz with a 200 ns instruction cycle, providing 7 KB (4K x 14) of OTP program memory, 192 bytes of SRAM, and 20 digital I/O lines. The PIC14000 belongs to the broader PIC microcontroller family (8-bit MCU -> microcontroller -> embedded controller -> semiconductor IC). As an 8-bit mixed-signal MCU it combines a CPU, on-chip analog, and power-management peripherals in a single die, eliminating the need for external ADC and reference ICs in cost-sensitive analog control loops. Key features include an on-chip temperature sensor, a bandgap voltage reference, an internal RC oscillator, a Sigma-Delta slope A/D converter, a 4-bit programmable current source, an LVD (Low Voltage Detector), a voltage-regulator control output, and a programmable reference generator. The 35-instruction RISC ISA keeps code authoring simple, and only program-branch instructions take two cycles; every other single-word instruction executes in one cycle. The OTP program memory supports low-volume production, while the 192-byte SRAM and 8 hardware registers suit small closed-loop control tasks. The integrated Sigma-Delta slope A/D, current source, and bandgap reference let designers build closed-loop analog control (e.g., battery chargers, temperature regulators, current sources) with no external ADC chip. The on-chip LVD and regulator-control output simplify power-supply supervision and switching-converter interface, while the integrated analog blocks reduce BOM count and PCB area. Typical applications include battery chargers, switched-mode power supply controllers, temperature regulators, programmable current sources, smart battery management, and industrial process-control loops where the integrated analog front-end eliminates a separate ADC IC. When designing with this part, allocate OTP programming time during prototyping and verify the Sigma-Delta slope converter's sampling-rate limit against the closed-loop bandwidth you require; for higher throughput consider an external SAR ADC or migrate to PIC16/18 families. This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering notes beyond the Microchip datasheet summary, giving buyers and hardware engineers a single decision-ready reference.

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PIC14000-20I/SS

PIC14000-20I/SS - 7KB EPROM 8-bit MCU | Microchip SSOP-28

The Microchip Technology PIC14000-20I/SS is an 8-bit CMOS OTP-based mixed-signal microcontroller in a 28-pin SSOP package. Per the manufacturer datasheet, the device integrates a 7 KB EPROM program memory (4K x 14), 192 bytes of RAM, and 20 digital I/O lines, executing instructions in 200 ns at a 20 MHz clock. It belongs to Microchip's PIC® 14 product family and was specifically engineered for programmable mixed-signal control applications. A microcontroller (MCU) is a single-chip computer that contains a processor core, memory, and programmable I/O peripherals. The PIC architecture uses a RISC-based Harvard design with separate program and data paths, allowing most instructions to execute in one instruction cycle. The PIC14 family sits between the PIC16 and PIC12F sub-families in Microchip's lineup, targeting applications that need more analog integration than baseline PIC16 devices while keeping the pin count modest. Key features of the PIC14000-20I/SS include an on-chip temperature sensor, a bandgap voltage reference, an internal oscillator, a Sigma-Delta slope A/D converter, a 4-bit programmable current source, a low-voltage detector (LVD), a voltage-regulator control output, and a programmable reference generator. This integrated analog front end lets a single chip replace several external analog components, which is the defining characteristic of the PIC14 series. The industrial-grade operating range is -40 °C to +85 °C, suitable for factory and outdoor equipment. Typical applications include battery chargers, smart battery management, sensor conditioning, switching power supply control loops, and process control transmitters. Each application exploits the combination of the Sigma-Delta converter (for high-resolution slow signals like thermistors), the programmable current source (for 4-20 mA loop excitation), and the bandgap reference (for ratiometric measurements). When designing with this device, allocate oscillator configuration time before A/D conversion begins, and follow the datasheet's decoupling guidance (typically 0.1 µF VDD pin capacitor plus bulk capacitance) to keep the Sigma-Delta converter noise floor low. The PIC14000 is now in Microchip's "Not Recommended for new designs" status, so designers of new products should evaluate the modern PIC16F or PIC18 successors.

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PIC14000-20I/SS - 7KB EPROM 8-bit MCU | Microchip SSOP-28