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PIC16LF18876-E/ML - 8-bit XLP MCU 28KB Flash 32MHz | Microchip
PIC16LF18876-E/ML

PIC16LF18876-E/ML - 8-bit XLP MCU 28KB Flash 32MHz | Microchip

The Microchip Technology PIC16LF18876-E/ML is an 8-bit PIC® XLP™ 16F microcontroller with 28KB (16K x 14) Flash program memory, 32MHz CPU speed, and a 44-pin QFN (8x8) package with exposed thermal pad. It is part of the PIC16(L)F1885X/7X family and is engineered for low-power general-purpose embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, RAM, EEPROM), and programmable peripherals on a single die. The PIC16LF18876 belongs to Microchip's enhanced mid-range 8-bit core family, occupying the tier above baseline PIC10/12/16 and below the 16-bit dsPIC/PIC24 families. Its XLP (eXtreme Low Power) designation indicates that the device was designed with sleep currents, wake-up sources, and active-mode efficiency as primary specifications rather than afterthoughts. Within the broader PIC taxonomy, the 16F prefix denotes a Flash-based, general-purpose 8-bit part with 14-bit instruction word. Key features include 2KB RAM, 256B EEPROM, 36 configurable I/O, an integrated 10-bit ADC, 5-/8-bit DAC, comparators, PWM, CWG, SMT, HLT, WWDT, SCAN/CRC, ZCD, PPS, EUSART, and 2xSPI/I2C peripherals. The LF prefix denotes an extended low-voltage operating range down to 1.8V, while the standard F variants operate from 2.3V to 5.5V. Multiple low-power modes (Idle, Doze, Sleep) support battery-friendly applications. The device uses Microchip's Core Independent Peripherals (CIPs) — CWG, SMT, and SCAN/CRC — that execute without CPU intervention, freeing the core for power management and reducing average current consumption. The Peripheral Pin Select (PPS) remapping block allows flexible routing of digital peripherals to any I/O, simplifying PCB layout when the 44-QFN footprint is shared across variant designs. Typical applications include IoT sensor nodes, low-power wireless sensor hubs, battery-powered industrial instrumentation, home automation controllers, and capacitive-touch user interfaces. The combination of 28KB Flash, 2KB RAM, and rich analog/digital peripherals suits it for protocol translation, sensor aggregation, and simple closed-loop control tasks. When designing with this part, take advantage of the PPS module to route signals without board rework, and use the SCAN/CRC peripheral to validate Flash integrity in safety-sensitive applications. For deeper power reduction, leverage the XLP Sleep mode with peripheral wake-up rather than polling in the main loop. This page synthesizes distributor pricing, drop-in same-family variants, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF18876-E/MV - 28KB Flash 8-bit MCU 40-UQFN | Microchip
PIC16LF18876-E/MV

PIC16LF18876-E/MV - 28KB Flash 8-bit MCU 40-UQFN | Microchip

The Microchip Technology PIC16LF18876-E/MV is an 8-bit PIC16 microcontroller from the PIC® XLP™ 16F family, featuring 28KB (16K × 14) of Flash program memory, 2KB of RAM, and 256 bytes of EEPROM in a 40-pin UQFN (MV) 5×5 mm package with an exposed pad. It operates at up to 32 MHz internal clock and is qualified for the extended -40 °C to +125 °C industrial temperature range, making it suitable for harsh-environment designs. An 8-bit microcontroller (MCU) is a compact, single-chip computer built around an 8-bit data path that integrates CPU, non-volatile program memory, working RAM, EEPROM data storage, and a rich set of peripherals including ADC, DAC, comparators, PWM, communications, and timers. Within the broader semiconductor hierarchy, the PIC16LF18876 belongs to microcontrollers → 8-bit MCUs → embedded controllers → integrated circuits. The "LF" prefix denotes the low-voltage (1.8 V to 3.6 V) variant with Microchip's eXtreme Low Power (XLP) technology, optimized for battery-powered applications. Key features include 36 configurable I/O pins via Peripheral Pin Select (PPS), a 10-bit ADC with computation, a 5-bit/10-bit DAC, multiple comparators with a zero-cross detect (ZCD), Complementary Waveform Generator (CWG), and SMT (Signal Measurement Timer). Communications peripherals include EUSART, SPI, and I²C. Functional safety is supported with CRC/SCAN, HLT (Hardware Limit Timer), and Windowed Watchdog Timer (WWDT). Idle, Doze, and Peripheral Module Disable (PMD) modes enable deep power savings. Architecturally, the device uses an enhanced mid-range 8-bit core with a 14-bit instruction word, priority levels for interrupts, and a hardware multiplier. The 28 KB Flash supports self-programming and ICSP™ (In-Circuit Serial Programming), allowing field firmware updates. This combination of analog, core-independent, and communication peripherals makes the part well suited to mixed-signal designs where the MCU must replace several discrete components. Typical applications include IoT sensor nodes, portable consumer electronics, industrial control nodes, building automation, low-power wireless sensor platforms, and battery-powered HVAC controls. Designers also use the part in functional-safety systems that benefit from WWDT and CRC/SCAN. When designing, ensure the exposed thermal pad is soldered to a sufficient copper pour for thermal dissipation and ground reference. Place the decoupling capacitors as close as possible to VDD/AVDD and VSS/AVSS pins, and follow the recommended oscillator layout when using an external crystal. This page synthesizes distributor pricing, drop-in alternative MPNs, comparison parameters, and practical design notes for engineers evaluating the PIC16LF18876-E/MV for low-power embedded designs.

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PIC16LF18876-E/P - 8-Bit 32MHz MCU 28KB Flash 40-PDIP | Microchip
PIC16LF18876-E/P

PIC16LF18876-E/P - 8-Bit 32MHz MCU 28KB Flash 40-PDIP | Microchip

The Microchip Technology PIC16LF18876-E/P is an 8-bit PIC microcontroller from the PIC16(L)F1885X/7X family with XLP (eXtreme Low Power) technology, delivering 32 MHz CPU performance from 28 KB of Flash program memory in a 40-pin PDIP through-hole package. It provides 2 KB RAM, 256 bytes of EEPROM, and an integrated rich analog/digital peripheral set including a 10-bit ADC with Computation (ADC2), a 5-bit/10-bit DAC, comparators, PWM, CWG (Complementary Waveform Generator), SMT (Signal Measurement Timer), HLT (Hardware Limit Timer), WWDT (Windowed Watchdog Timer), SCAN/CRC, ZCD (Zero-Cross Detect), PPS (Peripheral Pin Select), EUSART, 2x SPI/I2C, and IDLE/DOZE/PMD low-power modes. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, Flash program memory, SRAM data memory, EEPROM, and configurable peripherals around a Harvard or modified-Harvard architecture. The PIC16F family from Microchip uses a RISC instruction set optimized for deterministic interrupt latency and small code footprint, and the PIC16LF sub-family targets low-voltage (1.8V–3.6V) operation, suitable for battery-powered and energy-harvesting products. The PIC16LF18876-E/P's headline features include its 32 MHz core providing 8 MIPS throughput, 28 KB self-programmable Flash with code protection, and CIPs (Core Independent Peripherals) such as the CWG, SMT, and ZCD that operate autonomously from the CPU, offloading timing-critical tasks and enabling low active CPU duty cycles for XLP operation. The PPS module allows on-the-fly remapping of digital peripheral pins, simplifying PCB layout when peripherals need to be repositioned. ADC2 adds averaging, filtering, and threshold compare functions to the ADC, useful for sensor conditioning without CPU intervention. Architecturally, the device uses a 14-bit instruction word with a hardware stack of 16 levels, an internal 32 MHz oscillator (HFINTOSC) with PLL, and supports an external clock up to 32 MHz. The XLP feature set adds deep sleep, ultra-low-power wake sources (WWDT, RTC, IOC), and voltage regulator low-power modes, enabling typical sleep currents in the sub-microamp range and active currents near 100 µA/MHz. Typical applications for the PIC16LF18876-E/P include industrial sensor conditioning nodes, battery-powered IoT endpoints with measurement duties, home-automation controllers, low-power motor control using the CWG and PWM, smart metering, lighting controls, and portable medical accessories where the 40-pin PDIP footprint simplifies hand-prototyping and field-rework. The 40-pin count exposes up to 36 I/O lines, ample for multi-sensor hubs. When designing with the PIC16LF18876-E/P, ensure the chosen XLP peripheral wake sources match the application duty cycle - for example, RTC-tick wake versus WWDT-periodic wake. Place decoupling capacitors (100 nF and 1 µF) adjacent to every VDD/VSS pair, and verify the MCLR pull-up when using low-voltage programming mode. This page synthesizes Microchip XLP-family parametric data, distributor pricing as of 2026-09-24, drop-in compatible same-package PIC16 alternatives, and practical low-power design notes that are not collated in a single datasheet reference.

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PIC16LF18876-E/PT - 32MHz 8-bit XLP MCU, 28KB Flash, 44-TQFP | Microchip
PIC16LF18876-E/PT

PIC16LF18876-E/PT - 32MHz 8-bit XLP MCU, 28KB Flash, 44-TQFP | Microchip

The Microchip Technology PIC16LF18876-E/PT is a low-power 8-bit PIC16 microcontroller from the PIC16(L)F1885X/7X family, featuring 28KB (16K x 14) of Flash program memory, 2KB of RAM, and 256 bytes of EEPROM, all integrated into a 44-pin TQFP (10x10 mm) package. It operates from a 1.8V to 3.6V supply, runs at up to 32 MHz internal clock, and integrates eXtreme Low Power (XLP) technology for battery-friendly designs. What is an 8-bit PIC microcontroller? An 8-bit PIC microcontroller is a compact, RISC-based programmable system-on-chip that integrates a CPU, non-volatile Flash memory, RAM, EEPROM, and a rich set of peripherals (ADC, timers, communication, comparators, PWM) into a single IC. PIC MCUs sit within the broader hierarchy of microcontrollers -> embedded controllers -> semiconductors, and are widely used in cost-sensitive, low-power, and real-time control applications. Key features include a 10-bit ADC with Computation (ADC2), a 5-bit/8-bit DAC, configurable Complementary Waveform Generator (CWG), multiple PWM channels, comparators, zero-crossing detect (ZCD), and Peripheral Pin Select (PPS) for flexible signal routing. Communication peripherals cover EUSART, SPI, and I2C. The integrated 32 MHz internal oscillator eliminates the need for an external crystal in many designs, and core-independent peripherals (CIPs) such as CWG, NCO, and CRC/SCAN offload tasks from the CPU. Typical applications include consumer electronics, IoT sensor nodes, low-power handheld devices, battery chargers, LED lighting controllers, small appliance controls, and industrial sensor interface boards. Its combination of XLP sleep currents and rich analog/digital peripherals makes it well-suited for always-on, energy-harvesting designs. When designing with this part, consider decoupling: place a 0.1uF ceramic capacitor close to each VDD pin and a bulk 10uF on the main rail. Unused pins should be configured as outputs low to minimize leakage. PPS allows most digital peripherals to be remapped to almost any I/O, easing PCB layout. The -E suffix denotes the -40C to +125C extended industrial temperature grade. This page synthesizes Microchip datasheet information, distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF18876-I/ML - 8-Bit 32MHz XLP MCU 28KB Flash 44-QFN | Microchip
PIC16LF18876-I/ML

PIC16LF18876-I/ML - 8-Bit 32MHz XLP MCU 28KB Flash 44-QFN | Microchip

The Microchip Technology PIC16LF18876-I/ML is an 8-bit PIC microcontroller from the PIC16(L)F1885X/7X family, featuring 28KB (16K x 14) of Flash program memory, 2KB of RAM, and 256 bytes of EEPROM. It operates at speeds up to 32MHz with a 16 MIPS instruction rate and is housed in a 44-pin QFN (8x8 mm) package with an exposed thermal pad. The "LF" prefix denotes the extended low-voltage variant of the family, supporting 1.8V to 3.6V operation with Microchip's eXtreme Low Power (XLP) technology. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals (ADCs, timers, communication interfaces) onto one IC. Within the broader taxonomy, an MCU falls under microcontrollers -> integrated circuits -> semiconductors. PIC microcontrollers from Microchip use a modified Harvard RISC architecture with a 14-bit instruction word; the PIC16F18876 specifically targets general-purpose low-power embedded applications where small footprint, low active and sleep current, and on-chip analog peripherals reduce external component count and BOM cost. Key features of the PIC16LF18876 include a 10-bit ADC with up to 43 channels, a 5-bit DAC, multiple comparators, Complementary Waveform Generator (CWG), Capture/Compare/PWM (CCP) modules, Zero-Cross Detect (ZCD), and Peripheral Pin Select (PPS) for flexible signal routing. Communication peripherals include EUSART and two SPI/I2C interfaces. Core-independent peripherals such as CRC/SCAN, Hardware Limit Timer (HLT), and Windowed Watchdog Timer (WWDT) offload tasks from the CPU, enabling low-power standby operation. The XLP technology achieves nanoWatt sleep currents suitable for battery-powered applications. The PIC16LF18876 uses a 14-bit modified Harvard RISC architecture with a hardware stack for fast interrupt response. PPS allows remapping of digital peripheral inputs and outputs to most I/O pins, simplifying PCB layout and enabling late-stage pin assignment changes. The device supports in-circuit serial programming (ICSP) and debugging via standard Microchip tools (PICkit, ICD), reducing development time and supporting field firmware updates. Typical applications include IoT sensor nodes, low-power wireless sensor hubs, battery-operated industrial sensors, consumer remote controls, portable medical monitoring accessories, smart home devices, and general-purpose embedded control where extended battery life is required. The wide peripheral integration often eliminates the need for companion analog or logic chips. Design consideration: when migrating firmware from older PIC16F1xxx devices, verify register definitions against the PIC16F18876 header file because PPS remapping must be configured during initialization. Place a 0.1uF decoupling capacitor as close as possible to each VDD pin and connect the QFN exposed pad (EP) to a solid ground plane for thermal dissipation. This page synthesizes verified distributor pricing, parametrically validated drop-in alternatives, and practical design notes not collected on any single manufacturer or distributor product page.

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PIC16LF18876-I/MV - 32MHz 8-bit MCU, 28KB Flash | Microchip
PIC16LF18876-I/MV

PIC16LF18876-I/MV - 32MHz 8-bit MCU, 28KB Flash | Microchip

The Microchip Technology PIC16LF18876-I/MV is an 8-bit RISC microcontroller from the PIC16(L)F1885X/7X family, featuring a 32MHz CPU core, 28KB (16K x 14 words) of Flash program memory, and 2KB of RAM, housed in a 40-pin UQFN (5x5 mm) exposed-pad package. It is the low-power (LF) variant of the PIC16F18876, designed for general-purpose and battery-powered applications across industrial and consumer markets. An 8-bit microcontroller (MCU) is a small, self-contained computing device that integrates a CPU, non-volatile program memory, volatile data memory, and a mix of analog and digital peripherals onto a single silicon die. In the broader electronics taxonomy it sits under microcontroller -> embedded processor -> semiconductor device. The PIC16 family uses a modified Harvard RISC architecture with a 14-bit instruction word, and the 'LF' suffix denotes the extended low-voltage operating range (1.8V to 3.6V) that complements the standard PIC16F parts (which run up to 5.5V). The '18876' family is positioned in the upper-mid tier of the PIC16 line, integrating rich analog and Core Independent Peripherals (CIPs) so that many tasks - timing, signal conditioning, communications - run without waking the CPU. Key features of this part include a 10-bit ADC with computation, up to 36 I/O pins, support for up to 32MHz internal oscillator operation, integrated Core Independent Peripherals such as CRC/SCAN and HLT (Hardware Limit Timer), and eXtreme Low Power (XLP) technology with deep-sleep currents in the nanoampere range. The on-chip peripherals - including multiple UART, SPI, I2C, PWM, comparators, and op-amps - allow designers to assemble a complete sensor or motor-control node with few external components. Architecturally the device pairs an 8-bit accumulator-based ALU with a 14-bit instruction set, deterministic interrupt latency, and a configurable oscillator block that supports external crystals, internal HF/LF oscillators, and a 32kHz low-power crystal mode. The 28KB Flash and 2KB RAM are sized for typical mid-tier embedded firmware stacks - sensor fusion, protocol bridges, and small RTOS workloads - and the in-circuit debugger (ICD) interface enables field firmware updates. Typical applications include industrial sensor nodes, low-power IoT edge devices, battery-powered instrumentation, home appliance control boards, and automotive interior subsystems. Its 36 I/O count and analog-rich peripherals also make it suitable for small motor-control loops, multi-channel LED drivers, and capacitive-touch user interfaces. When designing with the PIC16LF18876-I/MV, observe the 1.8V to 3.6V supply window for LF parts (going above 3.6V will damage the part - if a 5V rail is required, select the PIC16F18876 instead), place the exposed pad (EP) on a continuous ground plane for thermal relief, and reserve the ICSPCLK/ICSPDAT pins for in-circuit programming access. Plan the I/O map against the 36 available pins early in the schematic phase. This page synthesizes distributor pricing, drop-in PIC16 family alternatives, and practical PCB design guidance not found in the manufacturer datasheet alone.

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PIC16LF18876-I/PT - 8-bit 32MHz 28KB Flash MCU 44-TQFP | Microchip
PIC16LF18876-I/PT

PIC16LF18876-I/PT - 8-bit 32MHz 28KB Flash MCU 44-TQFP | Microchip

The Microchip Technology PIC16LF18876-I/PT is an 8-bit PIC RISC microcontroller from the PIC16(L)F1885X/7X family featuring eXtreme Low Power (XLP) technology, a 32 MHz CPU, 28 KB (16K x 14) of Flash program memory, 2 KB of RAM, and 256 bytes of EEPROM, all housed in a 44-pin TQFP (10x10 mm) package rated for industrial temperature operation. Core independent peripherals include a 10-bit ADC with computation, a 5-bit DAC, comparators, PWM, CWG, SMT, HLT, WWDT, SCAN/CRC, ZCD, PPS, EUSART, SPI, and I2C, enabling flexible analog and digital signal conditioning without CPU intervention. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (RAM), and a configurable set of peripheral interfaces such as ADC, timers, communication ports, and GPIO. Within the semiconductor taxonomy, an MCU sits beneath microcontrollers and above general-purpose digital logic, combining deterministic real-time control with low power consumption and small package footprints, making it the canonical building block for embedded systems. Key features include the XLP nanoWatt XLP sleep modes that drive quiescent current below typical battery-monitoring thresholds, a peripheral pin select (PPS) module that remaps digital peripherals onto almost any I/O pin to ease PCB routing, and an active clock tuning mechanism that calibrates the internal oscillator against a more accurate reference. The device supports a wide 1.8V to 3.6V supply range and is targeted at industrial-grade applications requiring extended temperature tolerance. The CPU uses a Harvard architecture with a 14-bit instruction word and a hardware multiplier, which together with the 32 MHz internal oscillator (8 MHz with 4x PLL) deliver approximately 8 MIPS throughput. The 28 KB Flash self-programming model supports In-Circuit Serial Programming (ICSP) and runtime firmware updates via the bootloader-friendly memory mapping scheme. Typical applications include industrial sensor transmitters, low-power IoT edge nodes, home appliance control boards, and battery-powered metering devices. The combination of XLP sleep currents and a 10-bit ADC allows unattended sensor nodes to run for years on a single cell when duty-cycled correctly. When designing with this device, ensure the ICSP pins (PGx, MCLR) are brought out to a debug header, and select a decoupling network of one 100 nF plus one 10 uF ceramic capacitor placed within a few millimetres of the VDD pins to keep the internal regulator stable across load steps. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical low-power design notes not found in the manufacturer datasheet alone, giving a 360-degree view for component selection and BOM risk assessment.

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PIC16LF18876T-I/PT - 8-bit 32MHz 28KB Flash XLP MCU TQFP-44 | Microchip
PIC16LF18876T-I/PT

PIC16LF18876T-I/PT - 8-bit 32MHz 28KB Flash XLP MCU TQFP-44 | Microchip

The Microchip Technology PIC16LF18876T-I/PT is an 8-bit PIC16 microcontroller from the PIC16F188xx family with 28KB (16K x 14 words) of Flash program memory, packaged in a 44-pin TQFP (10x10 mm) and qualified for the industrial -40C to +85C temperature range. It runs at up to 32 MHz from a 1.8V to 3.6V supply, integrates 2 KB of SRAM and 256 bytes of EEPROM, and belongs to the eXtreme Low Power (XLP) family that targets battery-friendly applications with active current in the microamp range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory and a configurable set of peripherals. The PIC16LF18876 family sits inside Microchip's PIC16 mid-range 8-bit MCU portfolio, above baseline PIC10/PIC12/PIC16F devices but below the dsPIC and PIC32 16/32-bit families. Within the power-management hierarchy the PIC16LF18876 is classified as a power-management IC-adjacent device in the sense that it features nanoWatt XLP sleep modes, peripheral module disable, and a core-independent peripheral set that lets the chip spend most of its time in deep sleep and wake on a single timer, ADC, or interrupt edge without waking the CPU. The device integrates a 10-bit ADC with Computation (ADC2), a 5-bit DAC, multiple comparators, PWM, Complementary Waveform Generator (CWG), SMT timers, Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), SCAN/CRC, Zero-Cross Detect (ZCD), and Peripheral Pin Select (PPS) for flexible routing of digital functions to nearly any I/O. It supports up to 36 general-purpose I/O pins in the 44-pin package, plus multiple serial interfaces (UART, SPI, I2C) for host or sensor connectivity. In the architecture, an 8-bit modified Harvard RISC engine executes most instructions in one cycle, with a 14-bit instruction word and 16-level hardware stack. The 10-bit ADC2 can automate averaging, oversampling, threshold comparisons and burst averaging, offloading signal-conditioning work from the CPU and enabling longer sleep windows. PPS allows remapping of digital peripherals to different physical pins, which simplifies PCB layout and lets the same silicon serve different board variants. Typical applications include low-power IoT sensor nodes, battery-powered HVAC and metering peripherals, automotive body and accessory subsystems (sub-block, not AEC-Q100 in the -I grade), industrial control panels with capacitive touch via mTouch, and consumer appliances requiring long battery life. The 32 MHz core is fast enough for basic communication stacks, while the XLP sleep currents below 50 nA (typical) make it a fit for energy-harvesting or coin-cell products. When designing with this part, select an external 32.768 kHz crystal for RTC-driven sleep, or use the internal 31 kHz LFINTOSC if accuracy below ~1% is acceptable. Decouple VDD with a 100 nF ceramic placed within 2 mm of each VDD pin, plus a bulk 1-10 uF near the regulator output. For EEPROM endurance beyond 100K write cycles, spread writes across multiple pages and verify after each write. This page synthesizes live distributor pricing from DigiKey, Mouser and Octopart, lists drop-in same-package variants from the PIC16LF18876 family, and adds practical design notes not found in the manufacturer datasheet.

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PIC16LF18877-E/P - 8-Bit 32MHz 56KB Flash XLP MCU | Microchip
PIC16LF18877-E/P

PIC16LF18877-E/P - 8-Bit 32MHz 56KB Flash XLP MCU | Microchip

The Microchip Technology PIC16LF18877-E/P is an 8-bit PIC microcontroller from the PIC16F18877 family, featuring 56KB (32K x 14 words) of Flash program memory, 32MHz internal CPU clock, and housed in a 40-pin PDIP through-hole package. It belongs to Microchip's eXtreme Low Power (XLP) family and operates across a wide voltage range suitable for battery-powered and energy-harvesting applications. The part ships with 256 bytes of EEPROM, hardware peripherals including a 10-bit ADC with computation (ADC2), EUSART, two SPI/I2C modules, and Peripheral Pin Select (PPS) for flexible signal routing. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals onto one silicon die. The PIC16F18877 sits in the broader hierarchy: PIC16 (mid-range 8-bit core) -> PIC microcontroller family -> 8-bit microcontroller -> microcontroller -> embedded processing IC -> semiconductor. Compared with 32-bit Cortex-M parts, 8-bit PIC MCUs trade raw throughput for ultra-low sleep current, deterministic interrupt latency, and decades of code/toolchain maturity. Key features include the CIP (Core Independent Peripheral) set: hardware CRC/SCAN, Zero-Cross Detect, Hardware Limit Timer, Complementary Waveform Generator with dead-band control, and configurable logic cells. The device delivers typical sleep currents below 50 nA with RTC running, and active currents around 1.6 mA at 4 MHz. PPS lets designers remap digital peripherals to almost any I/O pin, simplifying PCB layout. The PIC16F18877 is built on an enhanced mid-range 8-bit RISC architecture with a 14-bit instruction word, hardware multiplier, and 32 interrupt sources. It supports In-Circuit Serial Programming (ICSP) via two pins, allowing firmware updates after PCB assembly without bootloader overhead. Typical applications include IoT sensor nodes, low-power wireless-connected devices (using EUSART/SPI to a transceiver), home appliances, battery-powered instrumentation, LED lighting control, and small motor/HVAC control loops. The wide operating voltage and ultra-low sleep current suit coin-cell or energy-harvested designs. When designing, evaluate whether the 40-pin PDIP is essential for through-hole prototyping - the same die ships in 28/44-pin QFN variants for reflow production. Always include proper decoupling (100 nF + bulk) within 5 mm of VDD pins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet and help engineers select the right variant faster.

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PIC16LF18877-I/MV - 32MHz 8-Bit XLP MCU 56KB Flash | Microchip
PIC16LF18877-I/MV

PIC16LF18877-I/MV - 32MHz 8-Bit XLP MCU 56KB Flash | Microchip

The Microchip Technology PIC16LF18877-I/MV is an 8-bit PIC® XLP™ 16F microcontroller featuring a 32 MHz CPU, 56 KB (32K x 14 words) of Flash program memory, 256 B of EEPROM data memory, and a 10-bit ADC2 peripheral, packaged in a 40-pin UQFN (MV) 5x5 mm with exposed pad. It belongs to the PIC16(L)F1885X/7X family and combines Core Independent Peripherals, the eXtreme Low Power (XLP) technology, plus flexible communication peripherals such as EUSART, SPI, and I2C for general-purpose and low-power embedded designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, data RAM, and peripheral interfaces in one package. The 'PIC' architecture uses a Harvard design with separate program and data buses, optimizing instruction fetch and data access in parallel. 8-bit MCUs dominate cost- and power-sensitive applications such as consumer appliances, sensor nodes, and human-interface devices where 32-bit performance is not required. The PIC16(L)F18877 sits in Microchip's mid-range XLP portfolio, positioned between baseline 8-bit parts and higher-pin-count 16-bit dsPIC devices. Key features of the PIC16LF18877 include the 32 MHz internal oscillator with 4x PLL option, 10-bit ADC2 with computation, peripheral pin select (PPS) for flexible signal routing, and Core Independent Peripherals such as the CRC/SCAN, HLT (Hardware Limit Timer), and CWG (Complementary Waveform Generator). The 'LF' prefix denotes the F (low-voltage, low-power) variant supporting 1.8 V to 3.6 V operation; the 'F' non-LF variant extends up to 5.5 V. The 256 B EEPROM and the 10-bit ADC2 with internal voltage reference are especially useful for sensor calibration data and battery monitoring. The PIC16LF18877 is qualified for industrial-grade operation (-40C to +85C for the 'I' suffix) and supports JTAG/ICSP in-circuit programming plus debug. PPS allows digital peripherals to be remapped to almost any I/O pin, simplifying PCB routing and enabling late-stage design changes. Compared with earlier PIC16F1X devices, the 18877 family adds the ADC2 with hardware accumulation and the CWG, which is useful for motor control and power-converter gating. Typical applications include low-power IoT sensor nodes, battery-powered wearables, consumer white goods, HVAC control panels, motor control signal conditioning, and industrial sensor hubs. The 32 MHz MIPS throughput and PPS flexibility allow a single MCU to serve as both sensor interface and communications gateway. Design consideration: the UQFN-40 (5x5) package has a center exposed thermal pad that MUST be soldered to a ground copper pour for mechanical reliability and thermal dissipation. Decoupling capacitors (100 nF + 1 uF) should be placed within 3 mm of each VDD pin. Programming pins (ICSPCLK/ICSPDAT) must be accessible for production flashing. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LF18877-I/P - 8-bit 32MHz 56KB Flash XLP MCU | Microchip
PIC16LF18877-I/P

PIC16LF18877-I/P - 8-bit 32MHz 56KB Flash XLP MCU | Microchip

The Microchip Technology PIC16LF18877-I/P is an 8-bit PIC microcontroller built on the eXtreme Low Power (XLP) architecture, delivering 32 MHz CPU performance with 56 KB of Flash program memory (32K x 14 words), 4 KB of RAM, and 256 bytes of EEPROM in a 40-pin PDIP through-hole package. The 'LF' prefix denotes the wide-voltage 1.8V-3.6V operating range, ideal for battery-powered and energy-harvesting designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (Flash), EEPROM data memory, and a rich set of peripherals around an 8-bit data bus. PIC microcontrollers sit in the broader hierarchy of microcontrollers -> embedded processors -> semiconductor ICs, and within the 8-bit class they are recognized for deterministic instruction execution, low power consumption, and a long-lived, well-supported toolchain (MPLAB X IDE, XC8 compiler). Key features include a 10-bit ADC with Computation (ADC2), two DACs, comparators, Capture/Compare/PWM, the Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), Zero-Cross Detection (ZCD), Peripheral Pin Select (PPS), and communication peripherals including EUSART, two SPI/I2C blocks, and the CRC/SCAN hardware block for functional safety. The device is supported by the PIC16(L)F1885X/7X family feature set, which adds Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), and Sleep/Idle/Doze power-management modes. The architecture combines the enhanced mid-range 16-bit instruction word with the nanoWatt XLP technology for sleep currents in the nanoamp range, allowing direct battery connection for years of operation. Built-in Core Independent Peripherals (CIPs) such as CLC and CWG offload tasks from the CPU and continue running in sleep, enabling event-driven firmware that wakes only on real stimuli. Typical applications include low-power IoT sensor nodes, battery-powered home automation, industrial control, functional-safety sensor interfaces, and consumer white goods. The 40-pin PDIP package also makes this part well suited to hobbyist prototyping, educational labs, and through-hole production runs. When designing with this MCU, allocate the PPS I/O map early so that conflicting peripheral pin assignments are resolved before PCB layout. Place a 0.1 uF decoupling capacitor within 5 mm of every VDD/VSS pair, and use the WWDT and CRC/SCAN blocks to meet functional-safety requirements for IEC 61508 SIL-2 designs. This page synthesizes distributor pricing, drop-in 40-PDIP alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF18877-I/PT - 8-bit 32MHz 56KB Flash MCU | Microchip 44-TQFP
PIC16LF18877-I/PT

PIC16LF18877-I/PT - 8-bit 32MHz 56KB Flash MCU | Microchip 44-TQFP

The Microchip Technology PIC16LF18877-I/PT is an 8-bit PIC16 XLP microcontroller featuring 56KB (32K x 14 words) of Flash program memory, 32 MHz operation, and a 1.8V-3.6V supply range, housed in a 44-pin TQFP (10x10 mm) package. The "LF" prefix denotes the eXtreme Low-Power (XLP) silicon variant, while "-I" indicates the -40C to +85C industrial temperature grade. An 8-bit microcontroller (MCU) is a small, self-contained computer on a single IC that integrates a CPU, RAM, non-volatile program memory (Flash/ROM), EEPROM data memory, and a rich set of peripherals including timers, ADC, communication interfaces (EUSART, SPI, I2C), comparators, and PWM modules. The PIC16LF18877 belongs to the PIC16F1885X/7X family, which sits in the broader hierarchy: PIC16 -> PIC mid-range -> 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. XLP technology further places it in the low-power MCU category alongside competitors like TI MSP430 and ST STM8L. Key features include 4KB RAM, 256 bytes of EEPROM, a 10-bit ADC with up to 35 channels, 1 channel of 5-bit DAC, Peripheral Pin Select (PPS) for flexible signal routing, hardware CRC/SCAN, Hardware Limit Timer (HLT), and Core Independent Peripherals (CIPs) that offload tasks from the CPU. Communication is handled by EUSART, MSSP (SPI/I2C) and the device supports up to 36 I/O pins in this 44-pin package. Architecturally, the PIC16LF18877 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word and a 2-stage pipeline, executing most instructions in one clock cycle. The 32 MHz internal oscillator with 4x PLL delivers 8 MIPS, while the integrated temperature indicator, zero-cross detect, and windowed watchdog provide robust system supervision. The on-chip voltage regulator and nanoWatt XLP modes (sleep currents in the nA range) make it suitable for battery-powered designs. Typical applications include IoT sensor nodes, wearable health devices, low-power remote controls, battery-powered industrial sensors, home automation controllers, and consumer appliances. The wide 1.8V-3.6V range and on-board peripherals like the 10-bit ADC, comparators, and PWM modules reduce external component count. When designing with this part, leverage the Peripheral Pin Select (PPS) to remap digital peripherals to any I/O pin, simplifying PCB layout. Always enable the Windowed Watchdog Timer (WWDT) in safety-critical applications, and verify ADC acquisition time against source impedance for accurate conversions. This page synthesizes distributor pricing, drop-in alternatives from the same PIC16F1885X/7X family, and practical design notes not found in the standalone manufacturer datasheet. All data is sourced from Microchip product pages, DigiKey, Mouser, Octopart, and LCSC.

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PIC16LF18877T-I/MV - 8-bit 32MHz 56KB Flash XLP MCU | Microchip
PIC16LF18877T-I/MV

PIC16LF18877T-I/MV - 8-bit 32MHz 56KB Flash XLP MCU | Microchip

The Microchip Technology PIC16LF18877T-I/MV is an 8-bit PIC16 microcontroller built on the eXtreme Low Power (XLP) architecture, delivering 32 MHz CPU performance with 56 KB (32K x 14 words) of Flash program memory in a 40-pin UQFN (MV) 5x5 mm package. The device integrates 256 B of EEPROM, 10-bit ADC with computation, Peripheral Pin Select (PPS), and EUSART/SPI/I2C communication peripherals. The 'LF' prefix denotes the low-voltage (1.8V–3.6V) variant suited to battery-powered systems. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM/EEPROM), and programmable peripherals. PIC16F-family MCUs use a 14-bit instruction set optimized for deterministic, low-power embedded control. Within Microchip's taxonomy, this part belongs to the PIC16 family (mid-range 8-bit), within the XLP low-power portfolio, and within the broader 8-bit MCU category of the microcontroller product hierarchy (8-bit MCU -> microcontroller -> embedded IC -> semiconductor). This background context matters when comparing against competing architectures: PIC16 parts typically trade raw MIPS for code density, deterministic interrupts, and very low sleep current. Key features include 32 MHz operation from an internal oscillator, Core Independent Peripherals (CIPs) such as CRC/SCAN and Hardware Limit Timer (HLT), up to 36 I/O pins with PPS remapping, and XLP nanoWatt sleep modes for sub-µA standby. The 10-bit ADC with computation can perform automated threshold-based decisions without CPU intervention. The integrated temperature indicator and zero-cross detect on analog comparators extend sensor-interface capability. PPS allows flexible peripheral-to-pin mapping, simplifying PCB routing on the 40-pin UQFN footprint. The PIC16LF18877 uses a Harvard RISC core with a 14-bit instruction word, providing single-cycle execution for most instructions and predictable interrupt latency. Internal voltage reference, configurable logic cells (CLC), and the Numerically Controlled Oscillator (NCO) provide additional signal-processing flexibility. Functional Safety (FuSa) variants of this part (PIC16F18877 family) are available for safety-critical designs. Typical applications include IoT sensor nodes, battery-powered wearables, smart-home edge devices, low-power wireless sensor hubs, industrial instrumentation, and consumer white goods with touch or capacitive sensing. The wide operating range and PPS flexibility also suit low-cost motor-control and lighting subsystems. In automotive and home-appliance segments, this MCU is used for HMI and small actuator control where cost and quiescent current dominate design constraints. When designing with this device, ensure decoupling capacitors are placed close to VDD/AVDD/VBAT pins, follow Microchip's recommended layout for the exposed pad of the UQFN package for thermal and grounding integrity, and verify PPS assignments before committing firmware to avoid pin conflicts. Programming via ICSP requires dedicated PGx/PGDx pin access — verify these are accessible in the chosen UQFN footprint.

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PIC16LF1902-E/MV - 8-bit 20MHz 3.5KB Flash MCU w/ LCD | Microchip
PIC16LF1902-E/MV

PIC16LF1902-E/MV - 8-bit 20MHz 3.5KB Flash MCU w/ LCD | Microchip

The Microchip Technology PIC16LF1902-E/MV is an 8-bit PIC microcontroller from the PIC16F family, featuring 3.5KB (2K x 14) of self-read/write Flash program memory, 128 bytes of RAM, and an integrated LCD segment driver supporting up to 72 segments, all housed in a 28-pin UQFN (4x4 mm) package. It operates at up to 20 MHz from a 2.5V to 3.6V supply and consumes nanoWatt XLP technology sleep currents as low as sub-microamp range. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that combines a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals such as timers, ADC, communication interfaces, and (in this case) an LCD driver on a single integrated circuit. The PIC16LF1902 belongs to the broader hierarchy: microcontroller -> embedded controller -> semiconductor IC. Its on-board LCD driver eliminates the need for an external LCD controller, reducing BOM cost and PCB area in display-based products. Key features include 18 I/O pins with 25 mA source/sink capability, an 11-channel 10-bit ADC with internal voltage reference, an integrated temperature indicator, one 8-bit timer (TMR0), one 16-bit timer (TMR1), an extended watchdog timer (EWDT), brown-out reset (BOR), and an internal 16 MHz oscillator. The LCD driver supports up to 4 common lines and 18 segments, enabling direct drive of numeric or simple segmented displays. The device uses Microchip's enhanced mid-range core with 49 instructions, 16-level stack, and nanoWatt XLP extreme-low-power technology. This combination makes the part well suited to battery-powered applications that spend most of their time in sleep, waking only briefly to take a sensor reading or update a display. Typical applications include battery-powered consumer products with LCD displays (thermometers, kitchen scales, remote controls), IoT sensor endpoints, low-cost medical monitoring devices such as glucose meters, industrial panel meters, and white-goods user interfaces. The wide operating voltage (2.5-3.6V) and low sleep current allow two AA or AAA cells to power the design for years. When designing with this MCU, ensure the MCLR reset circuit includes the proper pull-up, place decoupling capacitors close to VDD/AVDD/VSS, and use the LCDE and BIAS pins to configure the LCD charge pump and contrast. Programming is supported through Microchip's ICD/PICkit tools and the MPLAB X IDE ecosystem. This page synthesizes distributor pricing, drop-in alternatives drawn from Microchip's PIC16LF1902 family and pin-compatible variants, plus practical PCB and LCD design notes that are not aggregated in the manufacturer datasheet.

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PIC16LF1902-E/SS - 8-Bit 20MHz 3.5KB Flash MCU w/ LCD | Microchip
PIC16LF1902-E/SS

PIC16LF1902-E/SS - 8-Bit 20MHz 3.5KB Flash MCU w/ LCD | Microchip

The Microchip PIC16LF1902-E/SS is an 8-bit Flash-based CMOS microcontroller with nanoWatt XLP extreme low-power technology, 3.5KB (2K x 14) of Flash program memory, and an integrated segmented LCD driver, packaged in a 28-pin SSOP. It operates from 1.8V to 3.6V with a 20MHz internal oscillator and supports up to 11 channels of 10-bit ADC with voltage reference. The device integrates one 8-bit timer (TMR0), one 16-bit timer (TMR1), an enhanced watchdog timer (EWDT), brown-out reset (BOR), and an integrated temperature indicator. 25mA source/sink I/O capability allows direct LED drive without external drivers. An 8-bit PIC microcontroller is a small, low-power RISC processor that executes one instruction per clock cycle from a Harvard-architecture instruction set. The PIC16F family combines Flash program memory with rich on-chip peripherals (ADC, timers, LCD driver, EUSART) in a single IC, sitting in the broader taxonomy: microcontroller -> embedded MCU -> semiconductor IC. XLP (eXtreme Low Power) variants extend battery life to multi-year levels through nanoWatt sleep modes drawing well under 1 µA. Key features include 49 instructions with 16 stack levels, self read/write Flash, support for up to 72 LCD segment drives via 4 common pins and up to 18 segment pins, an internal 16MHz oscillator, and EUSART communication. The extended instruction set allows efficient C and assembly programming while preserving the deterministic timing that PIC MCUs are known for in safety-critical control loops. The architecture uses an enhanced mid-range core with a 14-bit instruction word and a hardware multiplier option. The integrated LCD charge pump and configurable segment multiplexing enable direct connection to glass displays without external driver ICs. Brown-out reset and the power-on reset together give clean startup across the entire 1.8-3.6V supply range, important for lithium-thionyl-chloride and consumer coin-cell applications. Typical applications include battery-powered utility metering with segmented LCD, consumer remote controls, low-end medical devices such as glucose and temperature monitors, IoT sensor nodes, white-goods user interfaces, and automotive interior accessories like seat heaters and climate controls (note: the -E suffix is the extended automotive-grade temperature variant). When designing with this part, place a 100nF decoupling capacitor close to VDD and consider the input leakage budget when selecting the LCD bias network. The -E temperature grade extends to +125°C operation, which should be confirmed in the datasheet for automotive under-hood designs. This page synthesizes XAIPART distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LF1902-I/ML - 28-Pin 8-Bit MCU, 3.5KB Flash, LCD Driver | Microchip
PIC16LF1902-I/ML

PIC16LF1902-I/ML - 28-Pin 8-Bit MCU, 3.5KB Flash, LCD Driver | Microchip

The Microchip Technology PIC16LF1902-I/ML is a 28-pin flash-based 8-bit CMOS microcontroller integrating an LCD segment driver and nanoWatt XLP (eXtreme Low Power) technology in a 28-pin VQFN package with exposed thermal pad. The device offers 3.5KB (2K x 14) of flash program memory, 256 bytes of RAM, and 128 bytes of EEPROM, and operates at up to 20 MHz from a wide supply voltage range typical of the LF-series parts. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (flash), volatile data memory (RAM), and a rich set of on-chip peripherals (timers, ADC, communications, I/O) into one package. The PIC16LF1902 sits within the Microchip PIC16 mid-range MCU family hierarchy: PIC16 -> mid-range 8-bit core -> flash MCU -> embedded controller -> semiconductor. Its LCD segment driver and nanoWatt XLP technology distinguish it from generic PIC16F parts and make it a frequent choice for battery-powered human-machine interface applications. Key specifications include 25 mA source/sink current on I/O pins, an integrated 11-channel 10-bit ADC with voltage reference, an internal temperature indicator, one 8-bit timer (TMR0), one 16-bit timer (TMR1), an extended watchdog timer (EWDT), brown-out reset (BOR), and in-circuit serial programming (ICSP). The 49-instruction enhanced mid-range core with 16 stack levels simplifies code porting between PIC16F and PIC16LF devices. Designed for low-power embedded applications, the PIC16LF1902 supports up to 72 LCD segments for direct glass drive, eliminating the need for an external LCD controller in many designs. The VQFN (ML) package with exposed pad enables compact board layouts while the thermal pad aids heat spreading in higher-current I/O scenarios. Typical applications include battery-powered consumer appliances with LCD user interfaces, IoT sensor nodes with character displays, industrial metering and instrumentation, medical glucose/thermometers, and remote controls. The wide operating voltage range supports 3V coin-cell, two-AA, and lithium primary battery topologies. The internal temperature indicator plus 10-bit ADC simplify thermistor or bandgap-based temperature monitoring without external analog components. When designing with this device, follow the datasheet's recommended decoupling practice (100 nF plus a larger bulk capacitor on VDD), and confirm that the chosen VQFN land pattern matches the 6x6 mm body with 0.65 mm pitch. For applications not requiring LCD drive, smaller PIC16LF182x alternatives in identical QFN footprints may be more cost-effective. This page synthesizes distributor pricing, drop-in alternatives within the PIC16 mid-range family, and practical design notes not found in the manufacturer datasheet.

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PIC16LF1902-I/MV - 8-Bit 20MHz MCU 3.5KB Flash LCD 28-UQFN | Microchip
PIC16LF1902-I/MV

PIC16LF1902-I/MV - 8-Bit 20MHz MCU 3.5KB Flash LCD 28-UQFN | Microchip

The Microchip Technology PIC16LF1902-I/MV is an 8-bit flash-based CMOS microcontroller from the PIC® XLP™ 16F family, delivering 20 MHz CPU performance with 3.5 KB (2K x 14) of Flash program memory and 128 bytes of SRAM in a compact 28-pin UQFN (MV) 4x4 mm package. The "LF" prefix indicates a wide 1.8 V to 3.6 V supply range optimized for ultra-low-power battery-operated designs, while the integrated nanoWatt XLP technology minimizes active and sleep currents to extend battery life in energy-harvesting or coin-cell applications. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU core, non-volatile program memory, working RAM, and a configurable set of peripheral blocks. The PIC16F family is part of the broader Microchip mid-range 8-bit MCU hierarchy: PIC10/12/16/18 -> 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. Mid-range 8-bit MCUs target cost-sensitive, deterministic control tasks where simplicity, low power, and compact package options outperform 32-bit alternatives. Key features include an enhanced mid-range core with 49 instructions and 16-level hardware stack, up to 25 mA source/sink current on I/O pins for direct LED drive, an internal 16 MHz oscillator that eliminates external crystals in many designs, and on-chip LCD segment drive support (up to 72 segments) for glass-display user interfaces. Eleven channels of 10-bit ADC with voltage reference, an integrated temperature indicator, brown-out reset (BOR), in-circuit serial programming (ICSP), and an extended watchdog timer (EWDT) round out the integrated peripheral set. The industrial temperature grade (-40 °C to +85 °C) suits outdoor and factory-floor deployments. Typical applications include low-power IoT sensor nodes, battery-powered metering and remote controls, LCD-based consumer appliances, white-goods front panels, and portable medical devices. The integrated LCD driver and ultra-low sleep current allow direct connection to glass displays without an external LCD controller, reducing both BOM cost and PCB area compared to discrete MCU-plus-driver designs. When designing with this part, take advantage of the internal 16 MHz oscillator when possible to save two PCB pins and two external capacitors; reserve the ADC channels for slow-moving analog signals (the 10-bit converter is well-matched to sensor conditioning but not to wideband audio). The 28-UQFN 4x4 mm footprint requires careful thermal via placement under the exposed pad for reliable reflow and slightly higher thermal dissipation than larger leaded variants. This page synthesizes distributor pricing, drop-in same-package alternatives (28-UQFN 4x4), and practical design notes not consolidated in the manufacturer datasheet.

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PIC16LF1902-I/SO - 8-Bit 20MHz MCU 3.5KB Flash 28-SOIC | Microchip
PIC16LF1902-I/SO

PIC16LF1902-I/SO - 8-Bit 20MHz MCU 3.5KB Flash 28-SOIC | Microchip

The Microchip Technology PIC16LF1902-I/SO is an 8-bit flash microcontroller from the PIC® XLP™ 16F family, offering 3.5KB (2K x 14) of program flash, 128 bytes of RAM, and 18 I/O pins in a 28-pin SOIC wide-body package. It executes instructions at up to 20MHz from a 2.5V to 3.6V supply, and is positioned for ultra-low-power applications through Microchip's nanoWatt XLP technology. An 8-bit microcontroller (MCU) is a self-contained computing element that integrates a CPU, non-volatile program memory, working RAM, peripherals, and I/O on a single silicon die. Within the broader taxonomy, an MCU belongs to the category of microcontrollers, which sit under embedded computing and finally under semiconductors. The PIC16LF1902 belongs to Microchip's PIC16F mid-range family, optimized for low-power embedded control with on-chip LCD segment drive, ADC, and timers. Key features of the PIC16LF1902-I/SO include a 49-instruction enhanced mid-range core with 16-level stack, 72-segment LCD driver, 11-channel 10-bit ADC with voltage reference, integrated temperature indicator, 25 mA source/sink I/O, one 8-bit timer (TMR0), one 16-bit timer (TMR1), an extended watchdog timer (EWDT), brown-out reset (BOR), and in-circuit serial programming (ICSP). The internal 16 MHz oscillator reduces BOM cost by removing the need for an external crystal in many designs. The architecture combines a Harvard-style memory layout with self-read/write flash, allowing field firmware updates and EEPROM emulation. The device supports sleep currents down to the nanoWatt XLP range, enabling battery-powered designs that must operate for years from a single cell. The wide-body 28-SOIC footprint also simplifies hand-prototyping and breadboard-friendly layouts. Typical applications include low-power battery-driven consumer products, LCD-based user-interface modules, sensor node front ends, small home appliances, and industrial metering or remote controls. The combination of LCD driver and ADC makes it especially well suited for any product that needs both a display and analog signal acquisition. When designing with this part, plan for a stable 3.3V rail (the LF variant tops out at 3.6V) and use the ICSP header for field firmware updates. Always include a decoupling capacitor close to VDD and route the MCLR pin through a proper reset network. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Cross-reference data was sourced from Microchip product pages and authorized distributors.

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PIC16LF1902-I/SP - 8-Bit MCU 3.5KB Flash LCD XLP | Microchip
PIC16LF1902-I/SP

PIC16LF1902-I/SP - 8-Bit MCU 3.5KB Flash LCD XLP | Microchip

The Microchip Technology PIC16LF1902-I/SP is an 8-bit Flash microcontroller built on the enhanced mid-range PIC16 core, delivering 20 MHz CPU performance with 3.5 KB (2K x 14) of self-read/write Flash program memory and 128 bytes of RAM, all housed in a 28-pin SPDIP (0.300 inch) through-hole package. It operates from 1.8 V to 3.6 V on the nanoWatt XLP (eXtreme Low Power) platform, targeting battery-friendly embedded designs. The LF prefix confirms the wide-voltage, low-power variant of the PIC16F1902 family. An 8-bit microcontroller (MCU) is a single-chip computer integrating a CPU, RAM, program memory, timers, and peripherals. It belongs to the hierarchy: microcontroller -> embedded processor -> semiconductor. The enhanced mid-range core executes 49 instructions across 16 stack levels, providing deterministic real-time response for cost-sensitive control tasks. LCD segment drivers, ADC, and nanoWatt XLP sleep modes place the PIC16LF1902 in the low-power LCD MCU sub-category used in metering and consumer HMI. Key features include on-chip 16 MHz internal oscillator, 11-channel 10-bit ADC with voltage reference, integrated temperature indicator, 72-segment LCD driver support, two timers (one 8-bit TMR0, one 16-bit TMR1), an Enhanced Watchdog Timer (EWDT), Brown-Out Reset (BOR), In-Circuit Serial Programming (ICSP), and 25 mA source/sink I/O for direct LED drive. The XLP sleep current is in the nanoampere range per Microchip datasheet characterization. From an architecture standpoint, the device uses Harvard-style separate program and data buses optimized for low-power operation, with peripherals gated by clock domains that can be individually disabled. Flash self-read/write enables data logging and parameter storage without external EEPROM. The wide 1.8-3.6 V operating range allows direct connection to single-cell Li-ion or two-AA battery chemistries without an LDO. Typical applications include battery-powered LCD thermostats, water/gas meter front-ends, remote sensor readouts, and consumer white-goods HMI panels. The integrated LCD segment driver removes the need for an external charge-pump or driver IC, reducing both BOM cost and PCB area. Designers also use it in low-cost e-metering and portable medical peripherals where nanoWatt XLP sleep current extends coin-cell life. When designing with this MCU, prioritize the ICSP pins (RB6/ICSPCLK, RB7/ICSPDAT) on the 28-SPDIP so the package remains breadboard-compatible for code development. Use the internal 16 MHz oscillator to free both oscillator pins for GPIO. Decouple VDD with a 100 nF ceramic placed within 5 mm of the pin, and keep the MCLR pull-up within 10 kΩ to guarantee a clean reset edge in noisy industrial environments. This page synthesizes distributor pricing for the 28-SPDIP PIC16LF1902-I/SP, drop-in PIC16 same-family alternatives, and practical design notes that complement the manufacturer datasheet with footprint, thermal, and sourcing considerations.

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PIC16LF1902-I/SS - 8-Bit MCU 3.5KB Flash 28-SSOP | Microchip
PIC16LF1902-I/SS

PIC16LF1902-I/SS - 8-Bit MCU 3.5KB Flash 28-SSOP | Microchip

The Microchip Technology PIC16LF1902-I/SS is an 8-bit Flash-based microcontroller built on the enhanced mid-range PIC core, delivering up to 5 MIPS at 20 MHz while housed in a 28-pin SSOP package. It integrates 3.5 KB of self-read/write Flash program memory, 128 bytes of SRAM, and a 10-bit ADC with up to 11 channels plus a dedicated LCD segment driver supporting 72 segments. What is a microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and peripherals, designed to execute embedded control tasks. The PIC16LF1902 belongs to the PIC16F family of 8-bit microcontrollers from Microchip Technology, specifically the XLP (eXtreme Low Power) nanoWatt XLP line optimized for battery-powered applications. The LF prefix indicates the wide VDD range of 2.0-3.6 V typical for the LF family. Within the broader taxonomy, the PIC16LF1902 is classified as: microcontroller -> 8-bit MCU -> PIC16 family -> PIC16F19xx subfamily -> embedded controller IC -> integrated circuit. Key features include 18 I/O pins, an internal 16 MHz oscillator, an integrated temperature indicator, 25 mA source/sink current capability on I/O, an 8-bit Timer (TMR0), a 16-bit Timer (TMR1), an Extended Watchdog Timer (EWDT), Brown-Out Reset (BOR), and In-Circuit Serial Programming (ICSP) for field upgrades. The nanoWatt XLP technology delivers sleep currents in the nanoampere range, making this MCU ideal for energy-harvesting or coin-cell designs. The PIC16LF1902 is well-suited for human-machine interface applications such as thermostats, metering displays, and small appliances that require a built-in LCD driver. It is also ideal for sensor nodes, IoT endpoints, and battery-powered instruments where low quiescent current extends operating life. Compared with discrete analog designs, the integrated LCD driver eliminates dozens of external components and the ADC simplifies front-end signal conditioning. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16LF1902T-I/ML - 3.5KB Flash 8-Bit MCU w/ LCD | Microchip
PIC16LF1902T-I/ML

PIC16LF1902T-I/ML - 3.5KB Flash 8-Bit MCU w/ LCD | Microchip

The Microchip Technology PIC16LF1902T-I/ML is an 8-bit Flash-based CMOS microcontroller in the PIC16F family with 3.5KB (2K x 14) of program memory, 128 bytes of RAM, and 25 I/O pins, packaged in a 28-pin VQFN (4x4 mm) form factor with an exposed thermal pad. It integrates a 72-segment LCD driver, 11-channel 10-bit ADC with voltage reference, internal 16 MHz oscillator, and Microchip's nanoWatt XLP extreme low-power technology, all in an industrial temperature grade (-40C to +85C) variant supplied on Tape & Reel. A PIC microcontroller (Programmable Integrated Circuit) is a compact 8-bit RISC processor family originally developed by General Instrument's Microelectronics Division and popularized by Microchip. PIC MCUs combine a Harvard-architecture CPU core with on-chip Flash, RAM, and peripherals (ADC, timers, PWM, communication interfaces) into a single IC, positioning them above simple digital logic but below 32-bit microprocessors in the embedded computing hierarchy. PIC16F1xxx-family devices specifically belong to the enhanced mid-range core family with 49 instructions, 16-level hardware stack, and self read/write Flash capability. Key features include a 20 MHz maximum operating frequency (16 MIPS performance at 4 clock cycles per instruction), wide 1.8V to 3.6V operating voltage window for battery-powered designs, integrated temperature indicator, brown-out reset (BOR), extended watchdog timer (EWDT), in-circuit serial programming (ICSP), and an enhanced 8-bit timer (TMR0) plus 16-bit timer (TMR1). The on-chip LCD driver supports up to 72 segments, eliminating the need for an external LCD controller in many HMI applications. Architecturally, the PIC16LF1902T-I/ML uses an 8-bit data path with separate program and data buses, an interrupt controller with hardware context saving, and nanoWatt XLP power management that drops quiescent current into the microamp range during sleep. The peripheral pin select (PPS) feature enables flexible pin assignment for digital functions, while the 10-bit ADC with internal voltage reference supports ratiometric measurements on battery or sensor channels. Typical applications include battery-powered LCD-based consumer products (thermostats, remote controls, weighing scales, kitchen timers), portable medical devices requiring low-power LCD HMI, industrial sensor transmitters with LCD readout, smart home keypads, and any cost-sensitive embedded design needing integrated LCD without an external driver IC. The wide 1.8V-3.6V range supports direct connection to two AA alkaline cells or single-cell Li-Ion chemistries. When designing with this device, note that the VQFN-28 (ML) package requires a ground plane via the exposed thermal pad for both thermal dissipation and electrical grounding; neglecting this pad is a common cause of MCU malfunction. Also confirm oscillator selection and PPS locking during bring-up, since the internal 16 MHz HFINTOSC and PLL configurations differ from older PIC16F parts.

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PIC16LF1902T-I/MV - 8-Bit 20MHz MCU 3.5KB Flash | Microchip
PIC16LF1902T-I/MV

PIC16LF1902T-I/MV - 8-Bit 20MHz MCU 3.5KB Flash | Microchip

The Microchip PIC16LF1902T-I/MV is a low-power 8-bit microcontroller from the PIC16F family, featuring 3.5KB Flash program memory, 128 bytes of RAM, and a 28-pin UQFN 4x4 mm package, operating at up to 20 MHz with nanoWatt XLP ultra-low-power technology. An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data bus and a RISC or CISC core. The PIC16LF1902 uses Microchip's enhanced mid-range 8-bit core with 49 instructions and 16-level stack, executing one instruction per clock cycle (except branches). MCUs sit at the lowest tier of the embedded hierarchy: bare die -> packaged IC -> MCU module -> embedded system -> IoT/edge device. The 'LF' prefix denotes an extended-voltage 1.8V-3.6V part optimised for battery applications, where XLP (eXtreme Low Power) achieves sub-uA sleep currents measured in nanoamperes. Key features include 3.5KB (2K x 14 words) of self-read/write Flash, 128 bytes SRAM, 11-channel 10-bit ADC with internal voltage reference, integrated temperature indicator, support for up to 72 LCD segment drives, internal 16 MHz oscillator, two timers (8-bit TMR0 and 16-bit TMR1), extended watchdog timer, brown-out reset, and 25 mA source/sink I/O for direct LED drive. In-Circuit Serial Programming (ICSP) is supported via PICkit 3 and MPLAB ICD 3. The PIC16LF1902 is built on a CMOS process with nanoWatt XLP technology that achieves typical sleep currents below 1 uA with full RAM retention and wake-up on interrupt. Internal oscillator trimming eliminates external crystals in cost-sensitive designs, while the integrated LCD driver removes the need for an external charge-pump or segment driver chip. Typical applications include low-power LCD-based consumer products such as thermostats, blood-pressure monitors, remote controls, electronic shelf labels, battery-powered sensor nodes, and metering displays. The 72-segment LCD support is sufficient for 8-character alphanumeric plus icon displays. When designing with this part, observe the absolute maximum VDD of 3.6V for the LF variant and reserve a 4x4 mm PCB land pattern for the UQFN (MV) package. The '-T' suffix indicates tape-and-reel packaging (3000-piece reel). This page synthesises Microchip datasheet specifications, DigiKey distributor pricing as of 2026-09-24, drop-in UQFN-28 alternatives, and practical design notes not collected in any single distributor listing.

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PIC16LF1902T-I/SO - 8-bit MCU, 3.5KB Flash, LCD | Microchip
PIC16LF1902T-I/SO

PIC16LF1902T-I/SO - 8-bit MCU, 3.5KB Flash, LCD | Microchip

The Microchip Technology PIC16LF1902T-I/SO is an 8-bit Flash-based CMOS microcontroller with an integrated LCD driver and Microchip's nanoWatt XLP (eXtreme Low Power) technology, housed in a 28-pin SOIC package supplied on tape and reel. Per the Microchip PIC16LF1902/1903 datasheet (DS40001455), the device runs from a 2.5V to 3.6V supply, executes instructions at up to 20 MHz from its internal 16 MHz oscillator, integrates 3.5 KB of self-read/write Flash program memory with 128 bytes of RAM, and provides 18 general-purpose I/O pins capable of 25 mA source/sink. The 'T' suffix designates Tape and Reel packaging, the 'I' denotes the industrial -40C to +85C temperature grade, and '/SO' identifies the 300-mil 28-pin SOIC outline. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripheral interfaces onto one die. Within Microchip's PIC16 family hierarchy, the PIC16LF1902 sits in the Enhanced Mid-Range Core tier (49 instructions, 16 stack levels), positioned above baseline PIC10/12/16F parts and below the PIC18 and PIC24/dsPIC families. The 'LF' prefix indicates the low-voltage / low-power variant, qualifying the device for battery-powered and energy-harvesting applications where sleep current is critical. Key features of the PIC16LF1902 include on-chip LCD segment drive support for up to 72 segments (COM3 and SEG15 share a pin on 28-pin variants), an 11-channel 10-bit ADC with voltage reference, an integrated temperature indicator, one 8-bit timer (TMR0), one 16-bit timer (TMR1), an Extended Watchdog Timer (EWDT), Brown-Out Reset (BOR), and In-Circuit Serial Programming (ICSP). These peripherals make the part well suited to mixed-signal front-ends where display, sensing, and low-power sleep must coexist on one die. Architecturally, the PIC16LF1902 uses the Enhanced Mid-Range 14-bit instruction word core with a hardware stack of 16 levels, allowing deterministic interrupt response for real-time control loops. The XLP nanoWatt technology reduces sleep current to single-digit microampere levels, with multiple power-managed modes (Run, Idle, Sleep) selectable via the OSCCON register. The integrated 16 MHz high-precision internal oscillator eliminates the need for an external crystal in cost-sensitive designs and supports factory-calibrated accuracy over the full industrial temperature range. Typical applications include battery-powered consumer appliances with LCD user interfaces, portable medical monitoring devices, industrial sensor transmitters with on-device displays, IoT edge nodes requiring segmented LCD readouts, and remote control panels. The combination of LCD drive, ADC, and XLP sleep modes is unusual at this price point and avoids the need for a separate LCD driver IC. When designing with this MCU, allocate one of the 18 I/O pins as the MCLR reset input if hardware reset is required, and follow Microchip's recommended decoupling of 100 nF plus 10 uF close to VDD. The Flash self-read/write capability allows in-application firmware updates but requires the EEPROM-like write sequence and an unlock key. This page synthesizes distributor pricing, drop-in same-package alternatives, AEO-optimized design notes, and datasheet cross-references not found in the manufacturer datasheet alone.

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PIC16LF1902T-I/SS - 8-Bit MCU, 3.5KB Flash, LCD, nanoWatt XLP | Microchip
PIC16LF1902T-I/SS

PIC16LF1902T-I/SS - 8-Bit MCU, 3.5KB Flash, LCD, nanoWatt XLP | Microchip

The Microchip PIC16LF1902T-I/SS is an 8-bit CMOS Flash microcontroller from the PIC16F family, featuring 3.5KB (2K x 14) of self-read/write program memory and 128 bytes of RAM, housed in a 28-pin SSOP package. It operates from 1.8V to 3.6V (the 'LF' variant with extended low-voltage support) and runs up to 20 MHz from an internal or external clock. The 'T' suffix indicates tape-and-reel packaging for high-volume SMT assembly. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), and programmable peripherals. The PIC16LF1902 belongs to Microchip's enhanced mid-range PIC16 core family, situated hierarchically as: MCU -> 8-bit MCU -> PIC16F family -> PIC16LF1902 sub-family. The 'LF' designation means low-voltage / low-power F-series operation, optimized for battery-powered designs, while the 1902 device specifically targets applications needing integrated LCD segment drivers. Key features include integrated LCD segment drive support (up to 72 segments), 11 channels of 10-bit ADC with internal voltage reference, an integrated temperature indicator, one 8-bit timer (TMR0), one 16-bit timer (TMR1), an Extended Watchdog Timer (EWDT), Brown-Out Reset (BOR), In-Circuit Serial Programming (ICSP), and Microchip's nanoWatt XLP extreme low-power technology with deep sleep currents in the sub-microamp range. The 49-instruction C-compiler-optimized RISC architecture enables predictable deterministic performance. The 28-SSOP package supports up to 18 I/O pins with 25 mA source/sink capability per pin, suitable for direct LED drive in user-interface panels. The 16-level hardware stack with optional overflow/underflow reset, plus direct/indirect/relative addressing modes, makes the device programmer-friendly for both assembly and C (XC8) development environments. Typical applications include battery-powered consumer appliances with LCD displays (thermostats, kitchen scales, remote controls, blood-pressure monitors, smoke detectors), low-cost electronic metering, and human-machine interface (HMI) panels where the integrated LCD driver eliminates external display-controller cost. The wide 1.8-3.6V supply range simplifies direct Li-ion / two-AA battery operation. When designing with this part, select a 1.8V-3.6V LDO or direct battery feed, reserve adequate decoupling (100 nF + 10 uF) near VDD, and consult the device errata for any pending silicon revisions. The PIC16LF1902T-I/SS is a lower-cost drop-in for PIC16F1902 designs when 1.8V operation is sufficient. This page synthesizes distributor pricing, verified same-family drop-in alternatives, and practical design notes covering the LCD bias, ADC configuration, and nanoWatt XLP sleep-current tradeoffs not explicitly highlighted in the manufacturer datasheet.

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