מיקרו-בקרים

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PIC18LF24K40-E/MV - 16KB Flash XLP 8-bit MCU 28-UQFN | Microchip
PIC18LF24K40-E/MV

PIC18LF24K40-E/MV - 16KB Flash XLP 8-bit MCU 28-UQFN | Microchip

The Microchip PIC18LF24K40-E/MV is an 8-bit PIC18 microcontroller built on the company's XLP (eXtreme Low Power) technology platform, delivering 64 MHz CPU performance from a wide 1.8V to 3.6V operating range and packaged in a compact 28-pin UQFN 4x4 mm with an exposed thermal pad. It integrates 16 KB of Flash program memory, 1 KB of SRAM, 256 bytes of EEPROM, and a rich Core Independent Peripherals set including a 10-bit ADC with computation, a 5-bit DAC, comparators, configurable logic cells (CLC), CWG, PWM, CCP, WWDT, CRC/SCAN, ZCD, PPS, EUSART, and SPI/I2C. What is an 8-bit microcontroller? An 8-bit MCU (microcontroller unit) is a single-chip computer that combines a CPU, non-volatile program memory (Flash), volatile working memory (RAM), small on-chip EEPROM, and a configurable peripheral set in one package. It belongs to the broader taxonomy: microcontroller -> embedded controller -> semiconductor. The PIC18 family sits at the top of Microchip's 8-bit roadmap, and the K40 sub-family adds XLP low-power features that make battery- and energy-harvesting designs practical. Key features include the 10-bit ADC2 with up to 35 channels and computation-acceleration modes, a 5-bit DAC, zero-crossing detect (ZCD) for TRIAC / AC line control, and Core Independent Peripherals such as the CWG (Complementary Waveform Generator) and HLT (Hardware Limit Timer) that offload tasks from the CPU. PPS (Peripheral Pin Select) lets designers route digital peripherals to almost any I/O pin, simplifying PCB routing on tight 4x4 mm packages. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, energy-harvesting wireless switches, HVAC and appliance front panels, LED lighting controllers, and motor-control pre-drivers. The wide voltage range and XLP nanoWatt sleep modes (down to sub-microamp currents) suit designs that spend most of their life in standby. When designing with this device, place a 100 nF decoupling capacitor close to each VDD pin and provide a 10 uF bulk capacitor on the main rail. The PPS system requires MPLAB X IDE and the XC8 compiler for configuration; the /MVC suffix indicates the UQFN-28 4x4 package and the -E temperature grade -40C to +125C. This page consolidates distributor pricing, drop-in alternatives, and engineering notes not found directly on the manufacturer datasheet.

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PIC18LF24K40-E/SO - 8-bit XLP MCU 16KB Flash 28-SOIC | Microchip
PIC18LF24K40-E/SO

PIC18LF24K40-E/SO - 8-bit XLP MCU 16KB Flash 28-SOIC | Microchip

The Microchip PIC18LF24K40-E/SO is an 8-bit PIC18 microcontroller built on Microchip's eXtreme Low-Power (XLP) technology platform, delivering 64 MHz CPU performance from a 16 KB Flash / 1 KB RAM / 256 B EEPROM memory subsystem in a 28-pin SOIC (0.295" / 7.50 mm width) package. It targets general-purpose and low-power embedded applications, combining rich analog and digital peripherals with low standby current for battery-powered designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), EEPROM for user data, and a set of analog and digital peripherals around a Harvard architecture core. PIC18 MCUs sit within Microchip's PIC family hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. They are widely deployed where deterministic timing, low power consumption, and small package size matter more than raw compute throughput. Key features include a 10-bit ADC with Computation (ADCC) supporting Capacitive Voltage Divider (CVD) for advanced touch sensing, a 5-bit DAC, two comparators, PWM, CCP, CWG (Complementary Waveform Generator), HLT (Hardware Limit Timer), Windowed Watchdog Timer (WWDT), CRC/SCAN, Zero-Cross Detection (ZCD), and Peripheral Pin Select (PPS) for flexible signal routing. Communication is provided by EUSART, SPI, and I2C. The XLP core enables typical sleep currents in the nanoamp range. The PIC18LF24K40 architecture uses an enhanced mid-range 8-bit core with a modified Harvard bus, hardware multiplier, and 31-level hardware stack, supporting C and assembly development under MPLAB X IDE with the XC8 toolchain. PPS allows peripheral signals to be remapped to multiple I/O pins, simplifying PCB layout. The device operates across 1.8 V to 3.6 V (LF variant), making it ideal for 2-cell battery or regulated 3.3 V systems. Typical applications include battery-powered IoT sensor nodes, capacitive touch user interfaces, low-power remote controls, HVAC sensor transmitters, small home appliances, and industrial sensor conditioning. The combination of ADCC touch support and XLP sleep current suits wearables and energy-harvesting designs. When designing with this device, allocate adequate decoupling (100 nF plus 1 uF near VDD) and respect the 1.8 V minimum at full speed. Use PPS to optimize pin assignments for the application rather than hardwiring peripherals to multiple PIC pins. For touch electrodes, follow the CVD layout guidelines in the datasheet. This page synthesizes distributor pricing, parametric comparison, and design notes not found in the manufacturer datasheet alone.

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PIC18LF24K40-I/ML - 8-bit 64MHz 16KB Flash XLP MCU | Microchip
PIC18LF24K40-I/ML

PIC18LF24K40-I/ML - 8-bit 64MHz 16KB Flash XLP MCU | Microchip

The Microchip PIC18LF24K40-I/ML is an 8-bit RISC microcontroller in the PIC18F/LF K40 family, featuring a 64MHz PIC18 CPU core, 16KB (8K x 16) of FLASH program memory, and housed in a 28-pin 6x6 mm QFN (ML) package with an exposed thermal pad. It operates from a 1.8V to 3.6V supply, with 2.5V minimum at 32MHz and 1.8V minimum at 16MHz, making it a true low-voltage XLP (eXtreme Low Power) part. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and configurable peripherals on one die. The PIC18LF24K40 belongs to the 8-bit PIC18 microcontroller hierarchy (PIC -> PIC18 -> PIC18F/LF K40), which sits under the broader category of embedded microcontrollers and semiconductor ICs. The 'LF' prefix denotes the low-voltage, low-power XLP variant; 'F' variants in this family operate from 2.3V to 5.5V instead. Key features include 1KB of SRAM, 256 bytes of EEPROM, a 24-channel 10-bit ADC with internal voltage reference, two PWM modules, two comparators, two I2C/SPI/UART peripherals, nine timers, and Core Independent Peripherals (CIPs) such as the Complementary Waveform Generator (CWG), WWDT, CRC/Memory Scan, Hardware CVD, Zero-Cross Detect, and Peripheral Pin Select (PPS). The device typically consumes only ~50 nA in sleep mode at 1.8V, making it well-suited to battery-powered designs. Technically, the PIC18LF24K40 uses an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, achieving up to 16 MIPS at 64MHz. The XLP technology combined with nanoWatt XLP peripherals allows selective peripheral clock gating, while PPS lets the user remap digital peripherals to any I/O pin, simplifying PCB routing and BOM consolidation. Typical applications include IoT sensor nodes, battery-powered remote controls, low-energy wireless sensor platforms, consumer appliances, HVAC controllers, and small industrial control boards. Its wide peripheral integration allows a single chip to replace a discrete analog front-end plus a logic controller in many designs. When designing with this part, add a 100 nF decoupling capacitor close to each VDD pin and place a bulk capacitor (1-10 uF) near the device. Note that PPS must be configured before enabling peripheral output, otherwise the peripheral signal will not appear on any pin. Source: Microchip PIC18(L)F24K40 datasheet family document. This page consolidates distributor pricing, drop-in alternatives, and design notes that go beyond the manufacturer's datasheet and distributor listings, giving procurement and design engineers a single reference point for the PIC18LF24K40-I/ML.

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PIC18LF24K40-I/SO - 16KB Flash XLP 8-bit MCU | Microchip
PIC18LF24K40-I/SO

PIC18LF24K40-I/SO - 16KB Flash XLP 8-bit MCU | Microchip

The Microchip Technology PIC18LF24K40-I/SO is a low-power, high-performance 8-bit PIC18 microcontroller with 16 KB Flash, 1 KB RAM, and 256 B EEPROM, housed in a 28-pin SOIC package. It runs at up to 64 MHz CPU clock, integrates a 10-bit ADC, a 5-bit DAC, comparators, PWM, CCP, CWG, HLT, WWDT, SCAN/CRC, and ZCD peripherals, and supports 1.8V-3.6V operation thanks to Microchip's eXtreme Low Power (XLP) technology. Background: An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory, working RAM, and a configurable set of digital and analog peripherals behind a unified register map. PIC18 devices use Microchip's 8-bit modified Harvard architecture with a RISC-like instruction set, 31-level hardware stack, and linear memory model. Within the broader taxonomy, this part sits at MCU -> 8-bit MCU -> PIC18 family -> PIC18 K40 sub-family -> 'LF' (low-voltage, F-variant = Flash). K40-series parts are positioned for cost-sensitive, low-power embedded control where Core Independent Peripherals (CIPs) can offload CPU work. Key features include 16 KB self-programmable Flash with 8K x 16 organization, 1 KB SRAM, 256 B EEPROM, 25 I/O pins, 4x 10-bit ADC channels (shared with the DAC/comparator), a 5-bit DAC, two comparators with selectable hysteresis, multiple PWM/CCP/CWG channels, Zero-Cross Detect (ZCD), Windowed Watchdog Timer (WWDT), CRC/SCAN memory integrity check, and a Hardware Limit Timer (HLT). XLP delivers sub-uA sleep currents, making the part suitable for battery-powered endpoints that spend most of their life in sleep. Typical applications include low-power IoT sensor nodes, battery-powered consumer appliances, LED lighting controllers, sensor signal conditioning, white goods and small motor control, and general-purpose 3.3V embedded control in industrial and consumer products. Wide operating voltage (1.8V-3.6V) and rich peripheral set allow the device to replace larger or multi-chip solutions in cost-sensitive designs. Design consideration: at 3.3V the LF variant supports the full 64 MHz; for higher supply voltages use the PIC18F24K40 variant. Use the CWG, ZCD, and HLT to implement zero-cross TRIAC dimmers or sensor pulse timers without CPU wakeups, preserving XLP sleep current. This page synthesizes current distributor pricing, pin-compatible drop-in alternatives, and practical design notes not collected in any single manufacturer or distributor datasheet, helping engineers select the right K40 variant for their BOM.

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PIC18LF24K40-I/SP - 8-bit 64MHz XLP MCU 16KB Flash | Microchip
PIC18LF24K40-I/SP

PIC18LF24K40-I/SP - 8-bit 64MHz XLP MCU 16KB Flash | Microchip

The Microchip Technology PIC18LF24K40-I/SP is a low-power, high-performance 8-bit PIC18 microcontroller with 16KB Flash, 1KB RAM, and 256B EEPROM, delivering up to 64MHz CPU performance in a 28-pin SPDIP package. The 'LF' variant operates across 3.0V to 3.6V (and supports 2.5V at 32MHz and 1.8V at 16MHz for ultra-low-power XLP operation), giving engineers a flexible voltage envelope for battery-powered designs. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control and low cost. It sits in the broader taxonomy of microcontrollers -> embedded microcontrollers -> semiconductor ICs -> digital logic. Compared with 16-bit and 32-bit MCUs, 8-bit PIC devices excel at bit-level I/O, interrupt latency, and BOM-cost-sensitive applications where raw compute throughput is not the bottleneck. Key features include 25-channel 10-bit ADC with computation (ADC2), Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), CRC/Memory Scan, Zero-Cross Detect (ZCD), Hardware CVD for capacitive touch, Peripheral Pin Select (PPS), and Microchip's eXtreme Low Power (XLP) technology with sub-uA sleep modes for energy harvesting and IoT endpoints. Seven PWM channels, two I2C/SPI, two UART, and up to 25 I/O pins support sensor and motor-control front-ends. Internally, the device uses Microchip's enhanced PIC18 RISC core with a hardware multiplier, 32-level stack, and a 31 kHz to 64 MHz internal oscillator block. The CWG and PPS reduce external glue logic, shrinking PCB area and BOM cost in motor drive and power-conversion designs. Typical applications include low-power IoT sensor nodes, capacitive touch user interfaces, LED lighting controllers, small BLDC fan/pump drivers, battery-powered medical wearables, and home-automation end nodes. Industrial use cases cover sensor signal conditioning, fault detection, and supervisory controllers in 24V factory automation. A key design consideration is choosing the correct voltage/frequency pair: 1.8V/16MHz, 2.5V/32MHz, or 3.3V/64MHz. Each clock rate below 64MHz trades CPU performance for lower core current, so plan peripheral throughput before scaling VDD down. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet, giving procurement and firmware teams a faster engineering decision path.

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PIC18LF24K40-I/SS - 16KB Flash 8-bit XLP MCU | Microchip
PIC18LF24K40-I/SS

PIC18LF24K40-I/SS - 16KB Flash 8-bit XLP MCU | Microchip

The Microchip Technology PIC18LF24K40-I/SS is an 8-bit RISC microcontroller from the PIC18 K-series featuring 16 KB Flash program memory, 1 KB SRAM, and 256 bytes EEPROM, housed in a 28-pin SSOP (SS) package. It operates at up to 64 MHz with a 1.8 V to 3.6 V supply voltage, integrating eXtreme Low-Power (XLP) technology for battery-friendly designs. What is a microcontroller (MCU)? A microcontroller is a single-chip computer containing a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripherals such as ADC, timers, communication interfaces, and I/O pins. Within Microchip's portfolio the PIC18F family sits in the 8-bit PIC architecture hierarchy above baseline PIC10/12/16 and below PIC24/dsPIC 16-bit parts. The PIC18LF24K40 belongs to the K40 sub-family distinguished by peripheral touch controller (PTC) capability, configurable logic cell (CLC), and the XLP nanoWatt technology. This taxonomy places it in the broader semiconductor category of embedded microcontrollers. Key features of the PIC18LF24K40-I/SS include a 10-bit ADC with up to 24 channels, a 5-bit DAC, two analog comparators, a zero-cross detect (ZCD) module, 16-bit PWM with multiple independent outputs, CCP, CWG (complementary waveform generator), hardware limit timer (HLT), windowed watchdog timer (WWDT), scan/CRC, and up to 25 I/O pins. It supports I2C, SPI (MSSP), and EUSART connectivity, plus PPS (peripheral pin select) for flexible routing. Architecturally the device uses a Harvard RISC core with a hardware multiplier, executes most instructions in a single cycle, and integrates the MIPS-style PIC18 instruction set with 79 instructions. The 64 MHz internal oscillator eliminates external crystal needs in many designs, while the XLP sleep currents allow battery lifetimes measured in years. Typical applications include IoT sensor nodes, consumer appliances, low-power wireless control panels, touch-button user interfaces, and industrial sensor conditioning. Designers also use it in motor and lighting control where CWG and PWM matter. When designing with this part, verify that the 28-pin SSOP land pattern is correct for your PCB and that all VDD/VSS pins are decoupled with 100 nF ceramic capacitors placed within 3 mm of each pin. Take care that the LVP (low-voltage programming) configuration bit is enabled if you intend to use ICSP without a high-voltage VPP signal.

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PIC18LF24K40T-I/SO - 64MHz 8-bit XLP MCU 16KB Flash SOIC-28 | Microchip
PIC18LF24K40T-I/SO

PIC18LF24K40T-I/SO - 64MHz 8-bit XLP MCU 16KB Flash SOIC-28 | Microchip

The Microchip Technology PIC18LF24K40T-I/SO is an 8-bit PIC microcontroller from the PIC18F K40 family, delivering 64 MIPS throughput at 64 MHz from a low-power XLP core. It integrates 16 KB of Flash program memory, 1 KB of SRAM data memory and 256 bytes of EEPROM in a 28-pin 300-mil SOIC package. The "LF" prefix indicates the wide-voltage 1.8 V-3.6 V variant suited for battery-powered designs. An 8-bit PIC (Peripheral Interface Controller) microcontroller is a RISC-based MCU that combines a Harvard-style CPU with on-chip Flash, RAM, EEPROM and rich peripherals. The PIC18 K40 family is part of the broader 8-bit MCU hierarchy (8-bit microcontroller -> RISC MCU -> microcontroller -> embedded processor) and adds Microchip's Core Independent Peripherals (CIPs) for offloading tasks from the CPU, reducing power and code footprint. Key features include a 10-bit ADC with computation, a 5-bit DAC, two comparators, configurable Complementary Waveform Generator (CWG), Capture/Compare/PWM (CCP) modules, Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), CRC/Memory Scan and Zero-Cross Detect. Twenty-five general-purpose I/O pins and PPS (Peripheral Pin Select) provide flexible signal routing, while nanoWatt XLP technology drives sleep currents below typical competitive 8-bit MCUs. Architecturally the device uses an enhanced mid-range RISC core with hardware multiply, a 31-level stack and a two-level interrupt controller. Up to four hardware timers and the 10-bit ADC2 with automated Accumulate, Average and Burst Average modes minimise firmware overhead for sensor-conditioning loops. Typical applications include low-power IoT sensor nodes, battery-powered handheld instruments, consumer white goods, LED lighting controllers and automotive interior modules. Designers use it when code size, peripheral variety and low standby current matter more than raw MHz performance. When designing with this part, prioritise PPS assignments early so each peripheral signal has a documented pin before PCB layout freeze, and budget Flash for a Fail-Safe Clock Monitor plus ICD 3 / PICkit 4 in-circuit debug headers. This page consolidates distributor pricing, pin-compatible PIC18 alternates and practical design notes beyond the Microchip datasheet so engineers can pick devices faster.

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PIC18LF24K42-E/MV - 16KB Flash, 64MHz 8-bit MCU | Microchip
PIC18LF24K42-E/MV

PIC18LF24K42-E/MV - 16KB Flash, 64MHz 8-bit MCU | Microchip

The Microchip Technology PIC18LF24K42-E/MV is an 8-bit RISC microcontroller from the PIC18 K-series with XLP (eXtreme Low Power) technology, delivering 64MHz maximum operation from a 16KB Flash / 1KB SRAM / 256B EEPROM memory array in a compact 28-pin UQFN (4x4 mm) exposed-pad package. The 'LF' prefix denotes a 1.8-3.6V wide VDD range for low-voltage and battery-powered designs, and the 'E' temperature grade extends operation from -40C to +125C. The 'MV' suffix specifies the 28-UQFN (4x4) plastic package with an exposed thermal pad for improved thermal performance. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, Flash program memory, SRAM data memory, EEPROM, and a rich set of peripherals including timers, ADC, DAC, comparators and communication interfaces. MCUs sit at the top of the embedded control hierarchy -> 8-bit/16-bit/32-bit microcontroller families -> embedded processors -> semiconductors, and they are the central building blocks of nearly every IoT, consumer, industrial and automotive electronic system. The PIC18F/K family is Microchip's mid-density 8-bit line, bridging the original PIC16 architecture and the PIC32 32-bit families. Key features of the PIC18LF24K42 include a 12-bit ADC2 with computation engine, a 5-bit/10-bit DAC, two comparators with selectable reference, up to 25 digital I/O pins, vector interrupts, two DMA channels, four 16-bit timers and seven PWM channels. Core-independent peripherals such as CLC (Configurable Logic Cell) and CWG (Complementary Waveform Generator) offload tasks from the CPU, while Peripheral Pin Select (PPS) allows flexible signal routing. The 64MHz internal oscillator plus an external clock option supports accurate timing with no external crystal in most designs. The device implements Microchip's enhanced mid-range 8-bit core with a 16-bit instruction word and 8-bit data path, providing upward code compatibility with the PIC16 family. Single-cycle hardware multiply, indirect addressing and a hardware stack accelerate C compiler code; in-circuit debug is supported through ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debugger). The self-programmable Flash supports field firmware upgrades via bootloader or ICSP, enabling in-field OTA-style updates on resource-constrained nodes. Typical applications include low-power IoT sensor nodes, battery-powered wearables, consumer appliances, industrial control and automotive body modules (when paired with -40 to +125C grade variants). The XLP technology provides sleep currents down to the nanoampere range with retention, enabling multi-year coin-cell lifetimes for remote sensors. When designing with this MCU, allocate PCB area for the UQFN exposed pad and use a 4x4 via-array ground plane beneath the package for thermal dissipation and stable ADC references. Plan for PPS remapping early in firmware design - many alternate peripheral pins are only reachable through PPS, and not all combinations are valid for every peripheral. This page consolidates distributor pricing, same-family drop-in alternatives and practical design notes drawn from the Microchip PIC18(L)F24K42 family datasheet, information not found in any single manufacturer document.

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PIC18LF24K42-E/SP - 16KB Flash XLP 8-bit MCU 28-SPDIP | Microchip
PIC18LF24K42-E/SP

PIC18LF24K42-E/SP - 16KB Flash XLP 8-bit MCU 28-SPDIP | Microchip

The Microchip PIC18LF24K42-E/SP is an 8-bit PIC18-family RISC microcontroller in the PIC18LFxxK42 family, featuring 16KB (8K x 16 words) of Flash program memory, 1KB of SRAM, and 256 bytes of EEPROM. It runs at up to 64 MHz, is housed in a 28-pin SPDIP (0.300 inch / 7.62 mm) through-hole package, and is specified for the extended industrial temperature range (-40C to +125C). The "LF" prefix denotes the low-voltage (1.8V-3.6V) variant with XLP (eXtreme Low Power) technology, while the "F" sibling PIC18F24K42 supports 2.3V-5.5V. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM/EEPROM), and programmable peripherals such as ADC, PWM, timers, and communication interfaces (UART, SPI, I2C). The PIC18 architecture is a modified Harvard 8-bit RISC design; "XLP" specifically refers to Microchip's low-power IP for sleep-mode nanoWatt currents. Within the broader taxonomy, this device sits at: microcontroller -> 8-bit MCU -> PIC18 family -> PIC18LFxxK42 sub-family. Key features include a 12-bit ADC with up to 24 channels, a 5-bit DAC, two comparators, vector interrupts, DMA, configurable logic cells (CLC), multiple PWM channels, and Core Independent Peripherals (CIPs). The integrated peripherals enable sensor conditioning, motor control, and LED driving without CPU intervention, supporting deterministic real-time response. The device's XLP architecture with idle/doze/sleep modes, combined with 64 MHz CIPs, makes it well suited to battery-powered and energy-harvesting IoT nodes. The 28-SPDIP package supports hand-soldered prototypes and through-hole industrial designs where vibration tolerance and easy rework matter. Typical applications include IoT sensor nodes, low-power wireless-connected embedded controllers, consumer appliance user interfaces, and portable medical or instrumentation devices. When designing, ensure decoupling per the 28-pin SPDIP layout guidelines and verify VDDCORE core-voltage bypass capacitor placement. This page synthesizes verified pricing, drop-in alternative MPNs, and engineering design notes beyond the manufacturer datasheet.

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PIC18LF24K42-I/ML - 8-bit 64MHz 16KB Flash XLP MCU | Microchip
PIC18LF24K42-I/ML

PIC18LF24K42-I/ML - 8-bit 64MHz 16KB Flash XLP MCU | Microchip

The Microchip Technology PIC18LF24K42-I/ML is an 8-bit PIC microcontroller from the PIC18FxxK42 family with 16KB of Flash memory, running at up to 64MHz, in a 28-pin QFN (6x6 mm) package with exposed pad. Designed around Microchip's XLP (eXtreme Low Power) technology, it operates from a 1.8V to 3.6V supply and provides rich core-independent peripherals, intelligent analog, and large non-volatile memory for connected, battery-powered embedded designs. The "LF" prefix indicates a low-voltage variant optimized for 3.3V operation with extended sleep current specifications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM and EEPROM), and on-chip peripherals such as timers, ADC, communication interfaces, and I/O ports. The PIC18 architecture uses an enhanced 8-bit RISC instruction set with hardware multiply, a 16-level stack, and a modified Harvard bus that lets the device fetch an instruction and access data in the same cycle. Within the broader taxonomy, PIC18LF24K42 sits at the hierarchy: PIC18LF24K42 → PIC18 K42 family → PIC18 family → PIC microcontroller → 8-bit MCU → microcontroller → embedded computing → semiconductor. Key features include 16KB (8K x 16) Flash, 1KB RAM, 256 bytes EEPROM, 64MHz internal oscillator with PLL, 24-channel 12-bit ADC with computation, multiple 8/16-bit timers, 4x CCP, 2x 16-bit PWM with complementary outputs, configurable logic cell (CLC), DMA, and serial interfaces including UART/SPI/I2C. Deep-sleep current is specified in the nanoampere range, and the device supports various low-power modes ideal for energy-harvesting or battery-backed IoT nodes. The CLC (Configurable Logic Cell), numerically controlled oscillators, and math accelerator offload decision and math tasks from the CPU, enabling event-driven designs without waking the core. The 12-bit ADC with averaging, oversampling, threshold compare, and hardware accumulation allows autonomous analog measurements. Typical applications include IoT sensor nodes, battery-powered home automation, low-power wireless sensor hubs, industrial control peripherals, USB-to-UART bridges, and consumer white goods. The exposed pad on the 28-QFN helps dissipate heat and improves the thermal path in dense layouts. When designing with this part, ensure the I/O voltage domain matches the VDD range and provide adequate decoupling on both VDD and VSS. The device supports on-board debugging via single-wire programming/ICD, so any layout should reserve the dedicated PGC/PGD interface on the appropriate pins; consult the device's Pin Allocation Table in the datasheet before laying out your PCB. This page synthesizes distributor pricing, drop-in alternative MPNs from Microchip's K42 family, and practical design notes compiled from the manufacturer datasheet - content not aggregated in one place on DigiKey, Mouser, or the Microchip product page.

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PIC18LF24K42-I/MV - 8-bit 64MHz 16KB Flash XLP MCU | Microchip
PIC18LF24K42-I/MV

PIC18LF24K42-I/MV - 8-bit 64MHz 16KB Flash XLP MCU | Microchip

The Microchip Technology PIC18LF24K42-I/MV is an 8-bit PIC18 XLP microcontroller running up to 64 MHz, delivering 16 KB Flash, 1 KB RAM and 256 B EEPROM in a 28-pin UQFN (4x4 mm) package. The LF prefix denotes the low-voltage variant supporting 1.8 V to 3.6 V operation, making it suited to battery-powered designs. Core Independent Peripherals (CIPs) include a 12-bit ADC2 with Computation, two comparators, a 5-bit DAC, PWM, vectored interrupts, and a DMA controller for CPU-offload transfers. An 8-bit microcontroller (MCU) is a single-chip computer that uses an 8-bit data path and executes instructions from on-chip Flash memory. The PIC18 family sits in Microchip's mid-range 8-bit portfolio, offering higher performance, larger memories and richer peripherals than baseline PIC10/12/16 devices. The K42 generation introduces the CIP architecture, allowing analog and communication tasks to run without CPU intervention, and the 64 MHz internal clock is what gives the family ample headroom for motor-control and sensor-fusion applications. Key features include 25 digital I/O lines, two DMA channels, ten timers, two serial I/O interfaces (typically I2C/SPI or EUSART), and a vectored interrupt controller with prioritized sources. The 12-bit ADC2 with Computation automates averaging, oversampling and threshold detection, while the 5-bit DAC allows compact reference generation for comparators and slope compensation. XLP (eXtreme Low Power) technology provides nanoWatt sleep currents below 50 nA typical and active currents in the microampere range, allowing years of operation from a coin cell. The PIC18LF24K42 architecture is built around a 16-bit modified Harvard core with an 8-bit data path. An instruction-cache and hardware multiplier accelerate C-compiled code, while the DMA engine moves data between peripheral buffers and RAM without CPU wake-ups. The 64 MHz FOSC translates to a 250 ns instruction cycle, providing deterministic interrupt response suited to real-time control loops. Typical applications include IoT sensor nodes, battery-powered wearables, low-cost motor control, LED lighting controllers, and automotive body modules. The wide 1.8 V to 3.6 V operating range plus eXtreme Low Power sleep modes make it ideal for any design where quiescent current is the limiting factor. Compact 4x4 mm UQFN packaging also enables space-constrained PCB layouts. When designing with this part, allocate at least one power pin pair for AVdd/AVss if the ADC2 is active, and place the decoupling micro-VCC10nF plus 100nF ceramic as close to the package as feasible. The internal 64 MHz oscillator eliminates an external crystal in most designs, but a high-frequency crystal or resonator is recommended for USB or CAN timing accuracy. Migrating code from PIC18F K40 or K22 families is straightforward because the K42 retains the same PPS (Peripheral Pin Select) philosophy. This page synthesizes distributor pricing, drop-in same-family alternatives and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the PIC18LF24K42-I/MV quickly for new designs.

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PIC18LF24K42-I/SO - 64MHz 8-bit MCU, 16KB Flash, 28-SOIC
PIC18LF24K42-I/SO

PIC18LF24K42-I/SO - 64MHz 8-bit MCU, 16KB Flash, 28-SOIC

The Microchip Technology PIC18LF24K42-I/SO is an 8-bit PIC18 RISC microcontroller operating up to 64 MHz with 16 KB of Flash program memory, 1 KB of RAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC (SO) package. It is part of Microchip's PIC18(L)FxxK42 family of XLP (eXtreme Low-Power) microcontrollers that integrate a rich set of core-independent peripherals (CIPs), intelligent analog peripherals, and large memories with low-power features. A microcontroller (MCU) is a single-chip computer that contains a CPU, memory (Flash/RAM/EEPROM), and programmable peripherals on one die. The PIC18 family is an 8-bit Harvard-architecture RISC MCU family from Microchip; within the broader taxonomy, PIC18 sits under 8-bit microcontrollers -> microcontrollers -> microcontrollers (MCUs) -> integrated circuits. The LF prefix indicates the low-voltage/F-version that operates from 1.8 V to 3.6 V, suiting battery-powered designs. Key features include 25 I/O lines, 10-bit/12-bit ADC with Computation (ADC2), a 5-bit DAC, two comparators, two DMA channels, vector interrupts, and PWM outputs. The device supports eXtreme Low Power (XLP) modes with multiple idle/sleep states and peripheral operation while the CPU is halted, making it well suited for energy-harvesting and always-on sensor nodes. Core-independent peripherals (CIPs) such as the ADC2, DMA, timers, and PWM can inter-operate without CPU intervention, reducing wake events and average current. The PIC18LF24K42 uses Microchip's enhanced mid-range core with a hardware multiplier and a modified Harvard architecture that allows linear access to 16 KB of Flash. The integrated 12-bit ADC2 supports averaging, oversampling, threshold comparison, and automated acquisition to offload the CPU. A peripheral pin select (PPS) subsystem routes digital peripherals to a wide choice of I/O pins, simplifying PCB routing in mixed-signal designs. Typical applications include IoT sensor nodes, low-power wireless-connected devices (BLE/LoRa endpoints), home appliances, industrial sensor transmitters, battery-powered instrumentation, and consumer electronics where sleep current and peripheral autonomy are critical. The 28-SOIC footprint simplifies hand-soldering and rework during prototyping. When designing with this part, use Microchip's MPLAB X IDE and XC8 compiler. Decouple VDD with a 100 nF ceramic capacitor close to each supply pin, and route the ICSP lines (PGx/PDx) to an in-circuit programming header for field updates. The LF variant is required if the supply rail falls below 2.0 V at any time. This page synthesizes distributor pricing, drop-in same-package alternatives from Microchip's PIC18(L)FxxK42 family, and practical low-power design notes not found in the manufacturer datasheet alone.

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PIC18LF24K42-I/SP - 8-Bit 64MHz XLP MCU, 16KB Flash, 28-SPDIP | Microchip
PIC18LF24K42-I/SP

PIC18LF24K42-I/SP - 8-Bit 64MHz XLP MCU, 16KB Flash, 28-SPDIP | Microchip

The Microchip Technology PIC18LF24K42-I/SP is an 8-bit RISC microcontroller from the PIC18 K42 family, featuring a 64 MHz maximum CPU clock, 16 KB of Flash program memory, 1 KB of data RAM, and 256 bytes of EEPROM, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. The "LF" prefix and "I" temperature grade denote an extended-voltage (1.8 V to 3.6 V) variant rated for the industrial -40 °C to +85 °C range, while the "SP" suffix specifies the SPDIP-28 form factor. What is an 8-bit microcontroller? An 8-bit MCU is a small, self-contained processor that executes instructions on 8-bit-wide data words. It sits in the broader hierarchy of microcontrollers -> microprocessors -> programmable logic devices -> semiconductors. PIC18 devices are among the most widely deployed 8-bit architectures and target low-power, deterministic embedded control in industrial and consumer products. Peripherals typically include timers, ADC, comparators, UART, I2C, SPI, and PWM modules that let the MCU drive motors, read sensors, and communicate with other ICs. Key differentiating features include an integrated 12-bit ADC with 5-bit DAC capability on selected channels, 25 general-purpose I/O pins, four 16-bit timers with hardware limit timers, and a 10-bit PWM module with up to four outputs. The K42 family also introduces Core Independent Peripherals (CIPs) such as Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and zero-cross detection that can operate without CPU intervention. Active power consumption stays low and a range of sleep modes (Idle, Doze, Sleep, Deep Sleep) enables eXtreme Low Power (XLP) operation for battery-backed applications. Architecturally, the PIC18LF24K42 uses a Harvard RISC core with separate program and data buses, an 8-deep hardware stack, hardware multiply, and a 32-level priority interrupt controller. The 64 MHz FOSC supports 16 MIPS throughput, which is roughly 4x faster than legacy 16 MHz PIC16 devices and sufficient for state-machine, sensing, and simple closed-loop control tasks. The integrated Direct Memory Access (DMA) controller can move data between peripherals and RAM without CPU overhead, freeing the core for application logic. Typical application areas include low-power IoT sensor nodes, HVAC controls, battery chargers, industrial sensor interfaces, LED lighting controls, remote-control units, smart metering, and home appliances. The wide 1.8 V to 3.6 V supply range makes the part suitable for single-cell Li coin-cell designs as well as 3.3 V industrial rails, and the 12-bit ADC enables direct interfacing with bridge sensors, thermistors, and potentiometers without external analog front-ends. When designing with this MCU, plan the clock-tree carefully and ensure both VDD/VSS pairs are connected to avoid programming failures during ICSP, and respect the maximum FOSC/Vdd curve when choosing PLL modes. Beginners should also note that the Configuration Words control oscillator, watchdog, and code-protect behavior, and that LVP must be enabled in configuration to allow in-circuit low-voltage programming. This page consolidates verified distributor pricing, parametric specs, drop-in alternatives and application guidance designed to reduce the time engineers spend cross-referencing multiple datasheet portals.

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PIC18LF24K42-I/SS - 8-bit MCU, 16KB Flash, XLP, 28-SSOP
PIC18LF24K42-I/SS

PIC18LF24K42-I/SS - 8-bit MCU, 16KB Flash, XLP, 28-SSOP

The Microchip PIC18LF24K42-I/SS is an 8-bit PIC18 RISC microcontroller in the 28-pin SSOP package, featuring 16 KB of Flash program memory, 1 KB of SRAM, and 256 bytes of EEPROM. It runs up to 64 MHz and integrates rich analog peripherals including a 12-bit ADC2 with Computation, a 5-bit DAC, two comparators, an 8-bit DAC reference, and multiple PWM/CWG/CCP/CCP modules. The "LF" prefix designates the F-variant low-voltage core (1.8 V-3.6 V) while the standard PIC18F24K42 covers 2.3 V-5.5 V. An 8-bit PIC microcontroller is a Harvard-architecture CMOS device using a 16-bit instruction word with an 8-bit data path. The PIC18 family is Microchip's high-performance tier, adding linear addressing, C-friendly instruction set extensions, hardware multiply, vectored interrupts, DMA, and Direct Memory Access (DMA) between peripherals and RAM - all while preserving the classic PIC ease-of-use ecosystem of MPLAB X, XC8, and a huge library of application notes. Key features of the PIC18LF24K42-I/SS include eXtreme Low Power (XLP) technology with nanoWatt XLP sleep currents below 50 nA typical, zero-crossing detection, a windowed watchdog timer (WWDT), configurable logic cell (CLC), and on-chip capacitive touch (CVD) hardware. Peripherals also include two I2C, two SPI, one UART with LIN, and a 12-bit differential ADC supporting up to 35 channels. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, industrial sensor signal conditioning, capacitive touch user interfaces, and automotive body controllers (where the AEC-Q100 Q-grade part is preferred). The device is supported by MPLAB X IDE, MPLAB Code Configurator (MCC), XC8 compiler, and PICkit. Design with the PIC18LF24K42-I/SS by enabling the brown-out reset, placing a 1 uF decoupling capacitor on every VDD pin, and following Microchip AN1078 SSOP-28 land-pattern guidelines. For sleep-dominated duty cycles the LF core reduces quiescent current by an order of magnitude versus the F variant at the same 3.3 V rail.

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PIC18LF24K42T-I/ML - 8-bit 64MHz XLP MCU 16KB Flash QFN-28
PIC18LF24K42T-I/ML

PIC18LF24K42T-I/ML - 8-bit 64MHz XLP MCU 16KB Flash QFN-28

The Microchip Technology PIC18LF24K42T-I/ML is an 8-bit PIC18 XLP (eXtreme Low-Power) microcontroller built around an enhanced Harvard RISC core, delivering up to 64 MHz of CPU performance with 16 KB of Flash program memory (8K x 16), 1 KB of SRAM and 256 bytes of EEPROM, all packaged in a 28-pin 6x6 mm QFN with an exposed thermal pad (ML suffix, Tape & Reel). It is a member of the PIC18(L)FxxK42 family and is targeted at ultra-low-power embedded designs that require generous on-chip analog and digital peripherals. A microcontroller (MCU) is a single-chip computer integrating a CPU, non-volatile program memory, working RAM, and a configurable set of peripherals such as ADCs, timers, PWM modules and communication interfaces. The PIC18LF24K42 specifically belongs to the 8-bit PIC18 XLP family - a tier designed for battery-powered applications where nanoWatt eXtreme Low-Power technology (XLP), deep sleep currents in the nanoampere range, and integrated Core Independent Peripherals (CIPs) allow the device to remain responsive while consuming minimal energy. Key features include an integrated 12-bit ADC with Computation (ADC2), a 5-bit/8-bit DAC, two comparators, an 8-bit configurable timer, multiple PWM/Capture/Compare modules, a DMA controller, Vectored Interrupts, a Device Information Area (DIA) and a Memory Access Partition (MAP), plus CIPs such as the CWG, NCO, and configurable logic cells. The 28-QFN footprint exposes multiple ADC channels, UART/SPI/I2C peripherals, and a wide operating voltage from 1.8 V to 3.6 V typical for the LF variant, with XLP sleep currents below 100 nA in Retention mode. Typical applications include ultra-low-power IoT sensor nodes, consumer wearables, battery-powered medical monitors, touch and proximity user interfaces, and industrial sensor hubs that benefit from the integrated 12-bit ADC2 plus DMA, allowing the CPU to stay asleep while data is captured and transferred autonomously. When designing with this device, route the exposed pad (EP) of the QFN-28 to a properly sized ground copper pour to minimize thermal resistance and provide a low-impedance ground reference; confirm the LF voltage range (1.8-3.6 V) matches your battery chemistry, and use the MAP/DIA regions to lock the configuration words against unintended reprogramming. This page synthesizes verified distributor pricing, parametric drop-in alternatives sourced from Microchip's PIC18 family datasheet, and practical low-power design notes not aggregated elsewhere on the open web.

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PIC18LF24K42T-I/MV - 64MHz 16KB Flash 8-bit XLP MCU | Microchip
PIC18LF24K42T-I/MV

PIC18LF24K42T-I/MV - 64MHz 16KB Flash 8-bit XLP MCU | Microchip

The Microchip PIC18LF24K42T-I/MV is an 8-bit PIC18 XLP microcontroller with 16KB Flash, 1KB RAM, and 256B EEPROM, housed in a 28-pin UQFN (MV) 4x4mm package. It runs up to 64MHz, supports 25 I/O, and operates from 1.8V to 3.6V with the F (LF) low-voltage process. An 8-bit microcontroller (MCU) is a programmable processor with an 8-bit data path, internal Flash program memory, RAM, EEPROM, and on-chip peripherals. Within the broader semiconductor hierarchy, an MCU belongs to the microprocessor family, sits under microcontrollers alongside 16-bit and 32-bit devices, and is widely used for cost-sensitive, deterministic, low-power embedded control. Microchip's PIC18 family extends the baseline PIC16 architecture with 16-bit opcode instructions, hardware multiplier, and prioritized interrupts, while the K42 series adds high-resolution core-independent peripherals such as the 12-bit ADC with Computation (ADC2), Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), DMA, and Vectored Interrupt Controller. Key features include 16KB (8K x 16) Flash, 1KB SRAM, 256B EEPROM, 12-bit ADC2 with capacitive voltage divider support, 5-bit DAC, two op-amps, two comparators, DMA, Vector Interrupts, CLC, CWG, HLT (Hardware Limit Timer), PWM, CCP, and CIP (Core Independent Peripherals). The XLP designation delivers nanoWatt technology for deep sleep currents in the microamp range, making the device suitable for battery-powered designs. The PIC18LF24K42T-I/MV uses an enhanced Harvard architecture with a 16-bit program word and 8-bit data path, plus a C compiler-friendly instruction set. The 64MHz internal oscillator and 12-bit ADC2 with up to 24-channel input mux provide deterministic analog performance for sensor and touch applications. Typical applications include IoT sensor nodes, low-power battery devices, touch sensing, LED lighting controllers, and consumer electronics. The wide 1.8V-3.6V range supports single-cell Li-ion or two-AA battery designs. Designers should configure the PPS (Peripheral Pin Select) mapping early, as K42 devices allow almost any digital peripheral to be routed to most pins, simplifying PCB layout. The ADC2 requires the FVR module enabled for stable reference, and the ADC channel-to-pin mapping must be confirmed against the device pinout. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing an engineering reference for selection and BOM risk mitigation.

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PIC18LF24K42T-I/SO - 8-Bit XLP MCU, 16KB Flash, 64MHz | Microchip
PIC18LF24K42T-I/SO

PIC18LF24K42T-I/SO - 8-Bit XLP MCU, 16KB Flash, 64MHz | Microchip

The Microchip Technology PIC18LF24K42T-I/SO is an 8-bit PIC18 microcontroller from the XLP™ 18K family, delivering 64 MHz CPU performance with 16 KB (8K x 16) of Flash program memory in a 28-pin SOIC wide-body package. According to the manufacturer datasheet, it operates from 1.8 V to 3.6 V (LF variant), maintains full XLP functionality down to 1.8 V at 16 MHz and down to 2.5 V at 32 MHz, and includes 1 KB of SRAM and 256 bytes of EEPROM on-chip. The 'T' suffix indicates Tape and Reel packaging and the '-I' indicates the industrial -40 °C to +85 °C operating temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), non-volatile data memory (EEPROM), and a rich set of peripherals including timers, ADC, communication interfaces, and I/O. Within the broader semiconductor taxonomy, an MCU belongs to the embedded processing > microcontroller > 8-bit MCU hierarchy and is the central computing element in virtually every battery-powered or fixed-function electronic device. The 'LF' (Low-power / Low-voltage F) series specifically targets energy-constrained and portable designs where extended battery life is essential. Key differentiating features of the PIC18LF24K42 include Core Independent Peripherals (CIPs) such as Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and Zero-Cross Detect (ZCD). These hardware blocks execute functions without CPU intervention, freeing the core for application code and reducing active-mode current. A 12-bit differential ADC with computation, a 10-bit DAC, and a Direct Memory Access (DMA) controller further reduce software overhead and enable deterministic peripheral behavior for real-time control loops. Typical applications include low-power IoT sensor nodes, battery-powered medical monitors, automotive body and interior modules, consumer appliances with capacitive touch sensing, and industrial sensor transmitters. The combination of XLP nanoWatt XLP technology, fast wake-up from sleep, and high-resolution analog peripherals also makes it well-suited for remote controls, wearables, and energy-harvesting systems where standby current in the order of hundreds of nA is critical.

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PIC18LF24K42T-I/SS - 8-bit 64MHz 16KB Flash MCU | Microchip
PIC18LF24K42T-I/SS

PIC18LF24K42T-I/SS - 8-bit 64MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18LF24K42T-I/SS is an 8-bit PIC microcontroller from the PIC18FxxK42 series operating up to 64MHz with 16KB of Flash program memory, 1KB of RAM and 256 bytes of EEPROM, housed in a 28-pin SSOP package. It integrates an extensive set of core independent peripherals (CIPs), high-resolution analog peripherals, on-chip DMA and vectored interrupts for deterministic real-time response. The LF prefix designates a low-voltage variant with a wide 1.8V to 3.6V supply range optimised for battery-powered XLP (eXtreme Low Power) applications. An 8-bit PIC microcontroller is a Harvard-architecture RISC MCU built around a 16-bit instruction word with single-cycle execution on most instructions. The PIC18 family represents the high-performance tier of Microchip's 8-bit portfolio, sitting above PIC16 and PIC10/12/16 in code density and peripheral integration. Within the power-management IC hierarchy it is classified as an MCU - a self-contained computing element that integrates CPU, memory, peripherals and interrupt logic on a single die, eliminating the need for external memory or glue logic. Key features include 25 general-purpose I/O pins, two I2C/SPI interfaces, two UART modules, 10 PWM channels, 10-bit ADC with up to 24 channels, comparators and a zero-cross detect. The DMA controller moves data between memory and peripherals without CPU intervention, leaving the core free for application logic. The XLP sleep mode drops current consumption to the sub-uA range, making the part attractive for always-on sensor nodes and battery-powered IoT endpoints. Typical applications include industrial sensor interfaces, low-power IoT nodes, USB-CDC bridge firmware, and small motor-control loops. When designing with this part, verify the SSOP-28 PCB land pattern against the IPC-7351 SSOP recommended footprint and ensure decoupling capacitance of at least 100nF is placed within 5mm of each supply pin. The internal 64MHz oscillator eliminates the need for an external crystal in most cost-sensitive designs, simplifying the BOM and reducing board area.

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PIC18LF24K50-E/ML - 8-bit USB MCU, 16KB Flash, 28-QFN | Microchip
PIC18LF24K50-E/ML

PIC18LF24K50-E/ML - 8-bit USB MCU, 16KB Flash, 28-QFN | Microchip

The Microchip PIC18LF24K50-E/ML is an 8-bit RISC PIC18 microcontroller with integrated full-speed USB 2.0 transceiver, 16 KB of Flash program memory, 2 KB of SRAM, and 256 B of EEPROM, housed in a 28-pin QFN (ML) surface-mount package. It executes instructions at 48 MHz with up to 16 MIPS throughput, integrates nanoWatt XLP extreme-low-power technology for sleep currents below 100 nA typical, and operates over a 1.8 V to 3.6 V supply range targeting battery-powered and USB bus-powered designs. A microcontroller (MCU) is a single-chip computer that combines a CPU, RAM, non-volatile program memory, and programmable peripherals. PIC18 microcontrollers use a 16-bit modified Harvard architecture with separate program and data buses plus a hardware multiplier, occupying the 8-bit segment of Microchip's product hierarchy (8-bit PIC -> 16-bit PIC24 -> 32-bit PIC32). Within that 8-bit family, the LF sub-line is the low-voltage, low-power variant built on enhanced Flash process technology for portable applications where supply current and standby drain dominate the energy budget. Key features include the integrated USB 2.0 full-speed transceiver with on-chip termination and pull-up generation (no external crystal required for USB), 25 I/O pins with peripheral pin select (PPS) flexibility, 10-bit ADC with up to 14 channels, two analog comparators, three timers, an EUSART, two MSSP ports for SPI and I2C (master and slave), and on-chip mTouch capacitive sensing hardware. The CTMU module supports time-based touch measurement and a peak 75 mA source/sink capability on selected pins enables direct LED drive without external drivers. Architecturally the part pairs a 16-bit instruction word Flash with a 16-by-16 hardware multiplier and a 31-level hardware stack, an unusual depth for an 8-bit core that simplifies deeply nested state machines. CIP (Core Independent Peripheral) blocks such as CLC, ECCP, and the NUM (Numerically Controlled Oscillator) let many control loops run without CPU intervention, freeing the core for communication and application logic. The LF suffix denotes the 1.8 V minimum Vdd variant. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, low-cost data loggers, sensor hubs with USB enumeration, and battery-powered consumer devices. The combination of integrated USB, XLP sleep modes, and PPS-based flexible I/O mapping is well suited to compact PCB designs that must wake on USB attach and consume minimal standby power. When designing with this device, pay attention to the USB bus-powering envelope: the internal 3.3 V regulator must have its decoupling capacitor within the recommended layout to avoid Vdd ripple exceeding USB signaling thresholds during heavy bus traffic. PPS mapping must be unlocked before runtime remapping to avoid silent configuration lockouts in production firmware, and the LF 1.8 V minimum supply requires care to keep regulated rails within tolerance during peak CPU bursts. This page synthesizes distributor pricing, drop-in same-family variants, and practical design guidance not found in the standalone Microchip datasheet, helping engineers select between the LF and F suffix variants, choose the correct QFN vs SPDIP footprint, and validate timing margins for full-speed USB enumeration.

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PIC18LF24K50-E/SP - 8-Bit 48MHz 16KB Flash USB MCU | Microchip
PIC18LF24K50-E/SP

PIC18LF24K50-E/SP - 8-Bit 48MHz 16KB Flash USB MCU | Microchip

The Microchip PIC18LF24K50-E/SP is an 8-bit PIC18 microcontroller with integrated full-speed USB 2.0 transceiver, 48 MHz CPU clock, 16 KB (8K x 16) Flash program memory, 2048 bytes SRAM, and 256 bytes EEPROM, housed in a 28-pin SPDIP (SP) through-hole package. The "LF" prefix denotes the low-power (F) variant with an extended supply range of 1.8V to 3.6V, ideal for battery-powered applications. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a single-chip computer whose arithmetic logic unit processes data 8 bits at a time. PIC18F/LF K50 devices sit in the higher-performance tier of Microchip's PIC18 family, adding nanoWatt XLP ultra-low-power technology, an integrated USB 2.0 full-speed transceiver (no external crystal or resistor needed for USB operation), and a C compiler-friendly RISC architecture. Within the broader taxonomy, this device belongs to: microcontroller -> 8-bit MCU -> PIC18 family -> PIC18 K50 sub-family -> power management and connectivity oriented MCUs. Key features include a Harvard RISC architecture with 49 instructions (83 with extended instruction set), 16-level hardware stack, internal 48 MHz oscillator, 25 I/O pins, 14 ADC channels (10-bit), 2 analog comparators, 2 CCP/ECCP modules, two USART modules, one SPI/I2C MSSP, and a Charge Time Measurement Unit (CTMU) for touch sensing and capacitive measurement. The integrated USB module supports USB 2.0 full-speed (12 Mbps) device and Host/OTG modes with on-chip transceiver and internal pull-up resistors. Technically, the device uses a 2-stage instruction pipeline, 32 kHz to 48 MHz PLL clock chain from an internal 16 MHz HFINTOSC, and nanoWatt XLP sleep currents down to 20 nA typical. The on-chip CTMU enables capacitive touch and mTouch sensing without external analog ICs, while the mTouch software library accelerates firmware development. Programming is supported through ICSP (In-Circuit Serial Programming) and JTAG-compatible debug via ICD 3 / PICkit 3 / MPLAB SNAP, with no external crystal required for USB operation. Typical applications include USB HID peripherals (keyboards, mice, game controllers), USB-to-UART bridges, USB sensor data loggers, low-power battery-powered IoT nodes with USB charging, capacitive touch human-machine interfaces (HMIs), industrial data acquisition with USB connectivity, and educational/development boards where through-hole SPDIP simplifies hand-soldering and breadboard prototyping. When designing with this part, ensure VDD decoupling uses 100 nF plus 4.7 uF bulk capacitors placed within 5 mm of the supply pins. The D+ and D+ lines must be routed as a 90-ohm differential pair with matching length and continuous ground reference, per USB 2.0 full-speed layout guidelines. Leave pin 12 (RA4/RC2) NC-free only if unused - it is multiplexed with the USB module. This page synthesizes distributor pricing, drop-in same-package alternatives (PIC18F24K50-E/SP, PIC18LF25K50-E/SP), and practical design notes not aggregated in the manufacturer datasheet.

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PIC18LF24K50-E/SS - 8-Bit 48MHz 16KB Flash USB MCU | Microchip
PIC18LF24K50-E/SS

PIC18LF24K50-E/SS - 8-Bit 48MHz 16KB Flash USB MCU | Microchip

The Microchip Technology PIC18LF24K50-E/SS is an 8-bit PIC18-family microcontroller with integrated full-speed USB 2.0, 16KB of flash program memory, 2048 bytes of RAM, 256 bytes of EEPROM, and a 48 MHz internal oscillator, housed in a 28-pin SSOP (5.30 mm body width) package with nanoWatt XLP extreme-low-power technology. The device operates from 1.8V to 3.6V on its core supply and is qualified to the -40C to +125C extended operating temperature range, suitable for industrial and consumer designs. A PIC18 microcontroller is a member of Microchip's 8-bit advanced RISC architecture family, used where deterministic instruction execution, low cost, and a rich peripheral set (USB, ADC, PWM, I2C/SPI, UART) are required. PIC18 sits within the broader hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> semiconductor IC. The 'F' flash-based variants are the dominant contemporary PIC18 family, replacing older ROM/EPROM parts. The 'LF' sub-family adds the nanoWatt XLP sleep modes that drop current to tens of nanoamps, critical for battery-powered designs. Key features include 25 digital I/O pins, a 10-bit ADC with up to 14 channels, two analog comparators, two 8-bit and one 16-bit timers, hardware USB 2.0 full-speed transceiver, and an internal 48 MHz oscillator that eliminates an external clock for USB. The 2048-byte RAM plus 16KB flash pairing is the typical balance for low-cost USB HID/CDC class devices, and the device's instruction set delivers up to 16 MIPS throughput. Architecturally, the PIC18LF24K50 uses a modified Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The integrated USB transceiver eliminates external USB PHY components, simplifying PCB routing and reducing BOM. The nanoWatt XLP technology includes multiple sleep modes (Idle, Sleep, Deep Sleep) and a real-time clock calendar mode that maintains timekeeping below 1 uA. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridge dongles, low-cost data loggers, and battery-powered sensor hubs. The wide operating voltage and low-power sleep modes make it particularly suitable for portable and wearable electronics. When designing with this part, note that the integrated USB requires precise PCB layout for the D+/D- traces (90 ohm differential impedance, matched length) and a 1.5 kohm pull-up resistor on D+ for full-speed signaling. The 'LF' variant has a lower maximum VDD than the 'F' variant (3.6V vs 5.5V), which constrains use in 5V systems. This page synthesizes distributor pricing, drop-in alternatives within the PIC18 K50 family, and PCB layout guidance that consolidates the manufacturer datasheet with practical design references.

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PIC18LF24K50-I/ML - 8-bit 48MHz USB MCU 16KB Flash | Microchip
PIC18LF24K50-I/ML

PIC18LF24K50-I/ML - 8-bit 48MHz USB MCU 16KB Flash | Microchip

The Microchip PIC18LF24K50-I/ML is a low-power 8-bit PIC18 microcontroller with integrated full-speed USB 2.0 transceiver, 16 KB of Flash program memory, 2 KB of SRAM, and 256 bytes of Data EEPROM, housed in a 28-pin QFN (6x6 mm) package. It operates at up to 48 MHz clock speed from a 1.8V to 3.6V supply, making it part of the eXtreme Low Power (XLP) family. What is an 8-bit microcontroller? An 8-bit MCU is a single-chip computer with an 8-bit data path, optimized for cost-sensitive embedded control where deterministic response, low power, and rich peripheral integration outweigh raw computational speed. The PIC18LF24K50 sits within the power management IC hierarchy as an embedded controller, integrating CPU core, memory, ADC, timers, and USB PHY on one die, replacing what would otherwise require multiple discrete components. Key features include 14 channels of 10-bit ADC, a 5-bit DAC, multiple Enhanced USART, I2C and SPI peripherals, and a USB 2.0 full-speed device transceiver that eliminates the need for an external PHY. The XLP nanoWatt technology provides typical sleep currents below 50 nA, making the part ideal for battery-powered designs. The 28-QFN package delivers a small 6x6 mm footprint with an exposed thermal pad for improved heat dissipation. Technically, the device uses Microchip's enhanced PIC18 Harvard RISC architecture with a 16-bit instruction word, providing C-compiler-friendly operation while retaining deterministic interrupt latency. The integrated USB module supports both HID and CDC classes natively, eliminating external firmware stacks and shortening time-to-market for USB peripherals. Typical applications include USB human-interface devices (keyboards, mice, game controllers), USB-to-UART bridges, portable medical sensors, low-power IoT sensor nodes, and industrial data-loggers with USB connectivity. The wide operating voltage range also supports 3.3V designs directly powered from lithium cells. Design consideration: ensure the VUSB pin is connected to a regulated 3.3V supply when USB is active, since the internal transceiver does not include a 3.3V LDO. Use a 100 nF decoupling capacitor adjacent to each VDD pin and connect the exposed pad to a solid ground pour for thermal and noise performance. This page synthesizes Microchip datasheet specifications, distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a complete decision-ready view of the part.

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PIC18LF24K50-I/SO - 16KB Flash, 48MHz 8-bit MCU | Microchip
PIC18LF24K50-I/SO

PIC18LF24K50-I/SO - 16KB Flash, 48MHz 8-bit MCU | Microchip

The Microchip Technology PIC18LF24K50-I/SO is an 8-bit PIC® XLP™ 18K family microcontroller featuring 16KB (8K x 16) of Flash program memory, 2KB of RAM, and a 48MHz internal oscillator, housed in a 28-pin SOIC (0.295"/7.50mm width) package with industrial-grade -40C to +85C temperature range. As a 'LF' variant, it operates across 1.8V to 3.6V supply rails, making it ideal for battery-powered and USB-powered applications. The device delivers up to 16 MIPS throughput via its enhanced RISC architecture and integrates a full-speed USB 2.0 transceiver, eliminating the need for an external USB PHY. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and programmable peripherals. The PIC® 8-bit architecture belongs to the broader category of embedded microcontrollers, sitting under the hierarchy: microcontroller -> embedded processor -> semiconductor IC. The 'LF' prefix designates low-voltage operation; the 'K50' sub-family adds nanoWatt XLP™ extreme-low-power technology and integrated USB; the '18' indicates the 16-bit instruction width with 8-bit data path typical of PIC18 devices. Key differentiating features include the integrated USB 2.0 full-speed transceiver (12 Mbps), 25-channel 10-bit ADC with auto-acquisition, 2 CCP/ECCP modules, 2 MSSP (I²C/SPI) modules, 1 enhanced USART with LIN support, and nanoWatt XLP sleep currents as low as 20 nA typical. The 28-pin SOIC package provides ample I/O while remaining hand-solderable, well-suited to prototype and low-volume production environments. Hardware interrupt handling and a vectored interrupt structure support real-time embedded designs. The architecture combines a Harvard-bus RISC core with C-compiler-friendly instruction set, multiple clock sources (HFINTOSC, LFINTOSC, EC, HS, RC), and configurable oscillator modes for power-versus-speed trade-offs. Charge time measurement unit (CTMU) supports touch sensing and capacitive measurement applications, and the integrated USB module streamlines HID, CDC, and vendor-class firmware. Power-saving features such as alternate-run, doze, idle, and sleep modes allow designers to optimize energy profiles per peripheral. Typical applications include USB human-interface devices (HID mice/keyboards), USB-to-BRD bridges, sensor hubs, low-power IoT endpoints, industrial data loggers, and consumer peripherals. The wide operating voltage and -40C to +85C industrial range also suit point-of-sale terminals and metering equipment. The integrated USB makes the part especially attractive when board area for an external transceiver must be eliminated. When designing with this device, ensure proper decoupling (100 nF ceramic on VDD and a 4.7uF bulk on AVDD) and that the USB VBUS pin voltage is conditioned to remain within 3.6V on this 'LF' variant. The 48 MHz internal oscillator typically eliminates the need for an external crystal for non-USB-critical timing; USB operation still requires a 48 MHz ±0.25% clock source. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF24K50-I/SP - 16KB Flash XLP 8-bit MCU, 28-SPDIP | Microchip
PIC18LF24K50-I/SP

PIC18LF24K50-I/SP - 16KB Flash XLP 8-bit MCU, 28-SPDIP | Microchip

The Microchip Technology PIC18LF24K50-I/SP is an 8-bit PIC18 family microcontroller with 16KB Flash, 2KB RAM and a 48 MHz internal oscillator, housed in a 28-pin SPDIP package. It targets USB-connected, low-power embedded applications with the eXtreme Low Power (XLP) technology suite and integrated full-speed USB 2.0 transceiver. The "LF" prefix designates the 1.8V–3.6V core voltage variant, paired with the "I" industrial -40C to +85C temperature range. An 8-bit PIC microcontroller is a compact, deterministic processor built on a Harvard RISC architecture, optimized for low-power, real-time control. Microcontrollers sit within the broader hierarchy of microprocessors -> embedded controllers -> MCUs, and the PIC18 sub-family is positioned as the high-pin-count, peripheral-rich tier within Microchip's 8-bit portfolio. Because of its built-in USB and XLP idle modes, the PIC18LF24K50 occupies the niche formerly served by combining an MCU with an external USB PHY and a separate low-dropout regulator. Key specs of this device include 16KB Flash program memory (8K x 16 words), 2KB SRAM, 256 bytes of EEPROM, 25 I/O pins, a 10-bit ADC with up to 14 channels, two analog comparators, two 8-bit timers and three 16-bit timers, plus two PWM modules. The integrated USB 2.0 full-speed transceiver supports 12 Mbps with internal pull-up and on-chip transceiver, eliminating the need for an external PHY or USB-specific power switch. Sleep current is specified in the nanoWatt XLP range, enabling years of battery life in interrupt-driven designs. Technically, the PIC18LF24K50 uses an enhanced PIC18 CPU with 16-bit wide instructions, 8-bit data path and a hardware multiplier. The 48 MHz internal oscillator drives the system clock and USB module via a phase-locked loop, removing the need for an external crystal in USB applications. The on-chip regulator supports bus-powered operation directly from the 5V VBUS line through an internal 3.3V LDO. Typical applications include USB HID peripherals such as keyboards and mice, USB-to-UART bridges, USB sensor dongles, low-power data loggers, industrial control panels with USB service port, and battery-powered IoT nodes. The USB transceiver and XLP sleep modes make it well suited to designs that spend most of their time in deep sleep and wake on interrupt or USB attach. When designing with this part, ensure that VDD is bypassed with a 100 nF ceramic capacitor close to each VDD/AVDD/VBUS pin pair, and verify that the internal USB regulator is configured correctly for self-powered versus bus-powered topologies. The industrial -40C to +85C operating range makes it suitable for outdoor enclosures and most factory environments, but for automotive use the AEC-Q100 qualified PIC18F24K50 family variants should be specified instead. This page consolidates current distributor pricing, verified same-package drop-in alternatives, and engineering design guidance that goes beyond what is in the standalone datasheet.

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