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PIC18F24K40-E/SO - 8-bit XLP MCU, 16KB Flash, 64MHz | Microchip
PIC18F24K40-E/SO

PIC18F24K40-E/SO - 8-bit XLP MCU, 16KB Flash, 64MHz | Microchip

The Microchip Technology PIC18F24K40-E/SO is an 8-bit RISC microcontroller featuring the enhanced PIC18 CPU core, delivered in a 28-pin SOIC (300-mil) package with 16KB of Flash program memory, 1KB of SRAM, and 256 bytes of data EEPROM. It operates at up to 64MHz (16 MIPS) and is fabricated in CMOS technology, targeting 5V-tolerant general-purpose applications including consumer, industrial, and automotive (-40C to +125C) designs. An 8-bit microcontroller is a single-chip computer built around an 8-bit data bus; the PIC18 lineage from Microchip Technology is positioned between traditional 8-bit controllers (e.g., 8051) and 32-bit ARM Cortex-M MCUs, offering deterministic instruction execution, low cost, and a wide peripheral set. The K40 sub-family specifically extends Microchip's XLP (eXtreme Low Power) DNA into 5V-capable silicon, bridging the gap between 3.3V-only XLP parts and legacy 5V PIC18F K-series designs. Key features of the PIC18F24K40 include a 10-bit ADC with Computation (ADC2), a 5-bit DAC, three comparators, PWM, CCP, the Configurable Logic Cell (CLC) plus Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), Hardware Limit Timer (HLT), and SCAN/CRC for memory integrity checking. Core Independent Peripherals (CIPs) such as CWG and the WWDT allow tasks like complementary PWM generation or windowed supervision without waking the CPU. Architecturally, the device uses an 8-bit PIC18 Harvard architecture with separate program (Flash) and data (SRAM) buses and a 16-bit instruction word. This decoupling of instruction and data paths is what allows one instruction per cycle (16 MIPS at 64MHz) and predictable interrupt latency. The "E" temperature grade suffixes the part to -40C to +125C operation, suiting AEC-Q100-style automotive and harsh-industrial deployments. Typical applications for the PIC18F24K40-E/SO include low-power sensor nodes (XLP nanoWatt XLP sleep modes drop quiescent current into the sub-uA range), fan/small-motor BLDC control via the CWG and 10-bit ADC, household appliances with user interfaces and LED driving, IoT end-node controllers, and automotive interior/sensor modules. The 5V-tolerant I/O and ample analog make it a good fit for battery chargers and industrial control boards as well. When designing in this part, reserve adequate decoupling (100nF + bulk per VDD pin pair) close to the package, follow Microchip's in-circuit debug (ICD) guidance for ICSP pins (RB6/RB7), and verify that the chosen 5V rail tolerance is sufficient for your supervisory design. E-grade parts are the right pick when industrial or automotive temperature conformance is required. This page consolidates real-time distributor pricing, drop-in qualified alternatives, parametric comparison data, and practical design notes - information not found in any single manufacturer datasheet source.

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PIC18F24K40-E/SP - 8-bit 64MHz MCU, 16KB Flash, XLP | Microchip
PIC18F24K40-E/SP

PIC18F24K40-E/SP - 8-bit 64MHz MCU, 16KB Flash, XLP | Microchip

The Microchip Technology PIC18F24K40-E/SP is an 8-bit PIC18 microcontroller in the 28-pin SPDIP package, featuring 16 KB of Flash program memory, 1 KB of RAM, and 256 B of EEPROM, with a maximum CPU clock of 64 MHz. The -E suffix designates the extended industrial operating temperature grade of -40C to +125C, while the /SP suffix marks the through-hole SPDIP-28 form factor. It is part of the PIC18F "K40" family that combines Microchip's eXtreme Low Power (XLP) technology with rich Core Independent Peripherals (CIP) such as CWG, WWDT, CRC/SCAN, ZCD, and PPS. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a configurable set of peripheral interfaces. Within the broader taxonomy it belongs to: MCU -> 8-bit microcontroller -> PIC18 family -> PIC18F K-series -> power-conscious general-purpose controller. The "F" denotes Flash program memory, the "K" identifies the K40 low-power generation, and the "40" locates this part within the 28-pin Flash-equipped tier of the family. Key features include a 10-bit ADC with computation, a 5-bit DAC, two comparators, multiple PWM/CCP/CWG channels, and a Windowed Watchdog Timer (WWDT) for safety-critical loops. The integrated Peripheral Pin Select (PPS) module allows digital peripherals to be remapped to a wide range of I/O pins, simplifying PCB routing when compared with older PIC18 generations. Zero-Cross Detect (ZCD) and the Hardware Limit Timer (HLT) further reduce CPU load for AC-line and motor-control applications. The K40 family is built on an enhanced PIC18 Harvard architecture with a 16-bit instruction word, an 8-level hardware stack, and a modified RISC pipeline that delivers up to 16 MIPS at 64 MHz. XLP technology brings nanoWatt features such as IDLE and DOZE modes, Peripheral Module Disable (PMD), and a low-power Sleep mode that drops current consumption to the nanoampere range while preserving RAM and interrupt wake-up capability. Typical applications include appliance control, IoT edge nodes, industrial sensor interfaces, automotive body and lighting subsystems, and any 5V-tolerant embedded design that benefits from low quiescent current and a small SPDIP footprint. The SPDIP-28 package is especially popular for breadboarding, educational kits, and through-hole production builds where hand-soldering or rework is required. When designing with the PIC18F24K40-E/SP, leave VDD/VSS decoupling ceramic capacitors (typically 100 nF) within a few millimeters of the pins and respect the ICSP programming interface requirements (PGD/PGC on dedicated pins). For power-sensitive designs, exploit IDLE and Sleep modes plus PMD to gate unused peripherals and benchmark current consumption against the datasheet's nanoWatt typical curves before finalizing the BOM. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet - giving engineers a single-source reference for evaluation, sourcing, and design-in decisions.

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PIC18F24K40-E/SS - 16KB Flash 28-pin XLP MCU | Microchip
PIC18F24K40-E/SS

PIC18F24K40-E/SS - 16KB Flash 28-pin XLP MCU | Microchip

The Microchip Technology PIC18F24K40-E/SS is an 8-bit PIC18 microcontroller with 16 KB Flash, 1 KB RAM, and 256 B EEPROM, housed in a 28-pin SSOP package and operating from 2.3 V to 5.5 V at up to 64 MHz. It combines Core Independent Peripherals such as CWG, WWDT, CRC/SCAN, and HLT with XLP (eXtreme Low Power) technology, and supports both 3.3 V and 5 V rails. An 8-bit microcontroller (MCU) is a programmable processor that executes instructions 8 bits at a time, integrating Flash program memory, SRAM data memory, EEPROM, digital I/O, and analog peripherals on a single die. In the embedded system hierarchy, the MCU sits above discrete logic ICs and below 32-bit application processors, providing deterministic control for sensor reading, actuator driving, and human-machine interface tasks. The PIC18 family extends Microchip's mid-range 8-bit core with linear memory, C-compiler friendly architecture, and rich peripheral integration. Key features include a 10-bit ADC with computation, a 5-bit DAC, two comparators, multiple PWM/CCP channels, and 24 I/O pins capable of interrupt-on-change. The device supports up to 64 MHz operation from its internal 16 MHz HFINTOSC (4x PLL), giving 16 MIPS throughput, while XLP technology keeps active current around 5 mA at 5 V/16 MHz and standby current below 50 nA in sleep mode. The PIC18F24K40 leverages Microchip's enhanced mid-range core with a 16-bit instruction word and 8-bit data path, providing deterministic 4-clock instruction cycles and a hardware multiplier. Its Core Independent Peripherals (CIPs) like CWG, NCO, and DSM offload waveform generation and timing from the CPU, reducing firmware complexity and improving real-time performance in closed-loop control loops. Typical applications include low-power IoT sensor nodes, battery-powered IoT form units, industrial control and sensor conditioning, LED lighting controllers, and consumer appliances requiring 5 V tolerance. The wide 2.3-5.5 V range also makes it ideal for automotive body electronics and USB device peripherals (via the dedicated USB-capable variants in the family). When designing with this MCU, place a 0.1 uF decoupling capacitor as close as possible to each VDD pin and a 10 uF bulk capacitor on the main rail. For low-noise analog sampling, use separate AVSS/AGND isolation and avoid routing digital signals under the ADC input traces to preserve the 10-bit ADC linearity. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving an engineer a single reference point for evaluation, BOM optimization, and lifecycle decisions.

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PIC18F24K40-I/ML - 8-bit MCU, 16KB Flash, 28-QFN | Microchip
PIC18F24K40-I/ML

PIC18F24K40-I/ML - 8-bit MCU, 16KB Flash, 28-QFN | Microchip

The Microchip Technology PIC18F24K40-I/ML is an 8-bit PIC microcontroller built on the enhanced mid-range core running up to 64 MHz, integrating 16 KB of Flash program memory, 1 KB of SRAM, and 256 bytes of EEPROM in a 28-pin 6x6 mm QFN package with an exposed thermal pad. It supports wide-voltage operation from 1.8 V to 5.5 V (F variant) and is qualified for the industrial -40C to +85C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of programmable peripherals around a shared bus. PIC microcontrollers sit in the broader hierarchy of embedded microcontrollers -> 8-bit microcontrollers -> RISC microcontrollers -> semiconductor ICs. The PIC18F family is Microchip's enhanced mid-range line, bridging legacy PIC16F parts and the 16-bit PIC24/dsPIC families, and is widely used in cost-sensitive, low-power, mixed-signal embedded designs. Key differentiating features of the PIC18F24K40 include eXtreme Low Power (XLP) technology with nanoWatt XLP sleep currents, a 10-bit ADC with Computation (ADC2) for automated averaging and threshold comparison, a 5-bit DAC, two comparators, PWM, CCP, the Complementary Waveform Generator (CWG) for half-bridge and full-bridge driver control, a Windowed Watchdog Timer (WWDT), and hardware CRC/SCAN for memory integrity. The 28-QFN (ML) footprint suits compact layouts where thermal dissipation through the exposed pad is desirable. The architecture combines an 8-bit data path with a 16-bit instruction word and a hardware multiplier, giving 16 MIPS peak throughput at 64 MHz. The ADC2 peripheral off-loads filtering from the CPU, while CIPs (Core Independent Peripherals) such as CWG and WWDT run without core intervention, freeing the CPU for application code. Typical applications include low-power IoT sensor nodes, battery-powered consumer appliances, industrial control and HVAC peripherals, automotive body and lighting subsystems, and USB or human-interface front-ends that need moderate Flash but stringent power budgets. The wide 1.8 V - 5.5 V supply range also supports direct connection to a single-cell Li-ion or 3.3 V system rail. When designing with this part, place a 100 nF decoupling capacitor close to VDD and tie the exposed thermal pad to ground for thermal and electrical performance. The ICSP/ICD pins (PGED/PGEC) must be brought out for in-circuit debug, and the MCLR pin should use the recommended 10 kohm pull-up network specified in the Microchip PIC18F2X/4XK40 family datasheet.

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PIC18F24K40-I/MV - 8-bit 64MHz MCU, 16KB Flash, 28-UQFN | Microchip
PIC18F24K40-I/MV

PIC18F24K40-I/MV - 8-bit 64MHz MCU, 16KB Flash, 28-UQFN | Microchip

The Microchip PIC18F24K40-I/MV is a 8-bit PIC18 enhanced mid-range microcontroller running up to 64 MHz, integrating 16 KB Flash, 1 KB RAM, and 256 B EEPROM, and housed in a 28-pin UQFN (MV) 4x4 mm surface-mount package. The part carries -40C to +85C industrial-grade temperature rating and supports a wide 2.3 V to 5.5 V supply range. It belongs to the PIC18 "K40" XLP (eXtreme Low Power) family that introduces Core Independent Peripherals (CIPs) to the legacy PIC18 product line. An 8-bit microcontroller (MCU) is a single-chip computer integrating a central processing unit, non-volatile program storage (Flash/ROM), working RAM, and configurable I/O peripherals. Within the broader semiconductor taxonomy, the PIC18F24K40 sits under the PIC18 family (an 8-bit CISC enhanced mid-range architecture), under the Microchip 8-bit MCU portfolio, and ultimately under the microcontroller category of embedded semiconductors. The 8-bit segment remains the workhorse for cost- and power-sensitive applications where deterministic real-time response, simple toolchains, and ease of programming outweigh raw computational throughput. Key features include 24 digital I/O pins, a 10-bit ADC with acquisition channel sharing, a 5-bit DAC, two comparators with selectable reference, Zero-Cross Detect (ZCD), a Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), CRC/Memory Scan, Peripheral Pin Select (PPS), and serial interfaces comprising EUSART, SPI, and I2C. XLP technology delivers nanoWatt sleep currents suitable for battery-powered IoT and sensor nodes that spend most of their life in idle or doze modes. Architecturally, the device uses the enhanced mid-range PIC18 core with a modified Harvard bus and hardware multiplier, with an instruction set tuned for C-compiled code. The CIP block lets timers, PWMs, and communication peripherals operate without CPU intervention, freeing the core for application logic and reducing firmware complexity and BOM cost in motor control, lighting, and power-conversion front-ends. Typical applications include low-power IoT sensor nodes, LED lighting controllers, battery chargers, small appliances and white goods, automotive body and interior modules (using the -Q1 variant), HVAC controls, and general-purpose 5V embedded logic replacements. Wide 2.3-5.5V operation and robust peripheral integration make it a flexible drop-in upgrade for legacy PIC16F and early PIC18F designs. When designing with this part, prioritize decoupling with a 100 nF ceramic capacitor close to VDD plus a bulk cap on AVDD, and use PPS early to assign peripheral functions to convenient pins. Verify whether your firmware assumes 28-pin SPDIP/SSOP/SOIC layout versus the UQFN footprint before committing to PCB. This page synthesizes distributor pricing, drop-in same-package alternatives, application guidance, and design notes that complement (but do not replace) the manufacturer datasheet for design-in evaluation.

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PIC18F24K40T-I/ML - 8-Bit XLP MCU, 16KB Flash, 28-QFN | Microchip
PIC18F24K40T-I/ML

PIC18F24K40T-I/ML - 8-Bit XLP MCU, 16KB Flash, 28-QFN | Microchip

The Microchip Technology PIC18F24K40T-I/ML is an 8-bit PIC18 microcontroller built on the extreme low-power (XLP) architecture, delivering 64 MHz performance with 16 KB Flash, 1 KB SRAM and 256 B EEPROM in a 28-pin 6x6 mm QFN package. The device operates from 1.8 V to 5.5 V, supports 5 V rail-tolerant I/O and provides rich Core Independent Peripherals (CIPs) such as CWG, WWDT, CRC/Memory Scan, Hardware CVD, Zero-Cross Detect and Peripheral Pin Select. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path. PIC18F "K-series" parts combine the legacy PIC mid-range instruction set with enhanced peripherals, XLP nanoWatt sleep modes (down to ~30 nA typical), and on-chip op amps / comparators that previously required external components. They sit in the hierarchy: 8-bit MCU -> microcontroller -> embedded computing -> semiconductor. Key features include ten 10-bit ADCs with Computation (ADC2), a 5-bit DAC, four configurable logic cells, 4 CCP/ECCP/PWM channels, an on-chip 32 MHz internal oscillator, EUSART plus SPI/I2C, and 36-level instruction width. The XLP IDLE/DOZE/PMD power modes plus Peripheral Module Disable let unused peripherals consume zero current, enabling years of battery life in always-on sensor nodes. Architecture-wise, the PIC18F24K40 family uses an enhanced mid-range RISC core that executes most instructions in one cycle, supported by a wide 31-level hardware stack and interrupt priority levels. Hardware CVD (Capacitive Voltage Divider) lets the chip read mTouch capacitive touch sensors without an external conversion IC, while Zero-Cross Detect simplifies AC mains zero-crossing switching applications. Typical applications include low-power IoT sensor nodes, battery-powered thermostats and metering, capacitive touch user interfaces, automotive body and interior modules, USB-free home appliances, and motor control loops driving brushed or small BLDC loads. The combination of 5V tolerance on I/O and 1.8V minimum operation suits wide industrial range designs. When designing with this MCU, ensure the PICKit or Snap programmer is connected to the ICSP pins (RA0/RA1/RA3) during development. Decoupling: place a 100 nF X7R capacitor within 3 mm of each VDD/AVDD pin and a 10 uF bulk capacitor near the package. Brown-out and watchdog should be enabled for safety-critical workloads. This page synthesizes distributor pricing, drop-in alternative MPNs, parametric comparisons, and practical design notes drawn from manufacturer datasheets, providing information that individual distributor product pages do not aggregate.

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PIC18F24K40T-I/MV - 16KB Flash 8-bit MCU XLP 28-UQFN | Microchip
PIC18F24K40T-I/MV

PIC18F24K40T-I/MV - 16KB Flash 8-bit MCU XLP 28-UQFN | Microchip

The Microchip Technology PIC18F24K40T-I/MV is an 8-bit PIC microcontroller from the PIC18F-K40 family, offering 16 KB Flash, 1 KB RAM, and 256 B EEPROM in a 28-pin UQFN (4x4 mm) package with exposed pad. It runs up to 64 MHz across a 2.3V to 5.5V operating range, with the trailing "T" suffix denoting Tape & Reel packaging and "I" indicating the industrial -40C to +85C temperature grade. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control and low-power embedded applications. Within the broader taxonomy, the PIC18F24K40 belongs to the PIC18 family of Microchip's 8-bit PIC microcontrollers, which itself sits under the wider class of microcontrollers (MCUs), then microprocessors, and ultimately semiconductors. The XLP (eXtreme Low Power) technology inside the K40 sub-family is purpose-built for battery-powered or energy-harvesting systems where nanoamp sleep currents are mission-critical. Key features include a 10-bit Analog-to-Digital Converter with Computation (ADCC) enabling hardware Capacitive Voltage Divider (CVD) touch sensing, a 5-bit DAC, multiple comparators, PWM, CCP, CWG, hardware limit timer (HLT), windowed watchdog timer (WWDT), and scan-based CRC. The 28-UQFN package is footprint-compatible with other 28-pin PIC18F-K40 variants such as the PIC18F24K40-I/ML and PIC18F24K22-I/MV, simplifying PCB reuse across product families. Typical applications include consumer electronics, IoT sensor nodes, low-power remote controls, capacitive touch user interfaces, LED lighting controllers, and small appliance control boards where a tiny 4x4 mm footprint, 5V tolerance, and sub-microamp sleep modes are all required simultaneously. Industrial-grade operation supports factory-floor and outdoor equipment. The Peripheral Pin Select (PPS) module allows flexible peripheral-to-pin mapping, reducing layout constraints. When designing with this part, review the memory map and pinout differences versus older PIC18F-K22 devices - K40 peripherals differ in register layout. For lowest sleep current, switch to the IDLE/SLEEP modes with peripherals disabled per Microchip application note AN2341. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing engineers with a one-stop reference for component selection.

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PIC18F24K40T-I/SS - 8-bit MCU, 16KB Flash, 64MHz, 28-SSOP | Microchip
PIC18F24K40T-I/SS

PIC18F24K40T-I/SS - 8-bit MCU, 16KB Flash, 64MHz, 28-SSOP | Microchip

The Microchip Technology PIC18F24K40T-I/SS is an 8-bit PIC18 microcontroller from the PIC18F24/25K40 family, offering 16KB Flash, 1KB RAM, and 256B EEPROM in a 28-pin SSOP package with a maximum CPU speed of 64MHz. It operates across 2.3V to 5.5V supply rails and includes a 10-bit ADC, 5-bit DAC, comparators, CCP, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, EUSART, and SPI/I2C peripherals, all integrated into a low-power XLP architecture. The PIC18F family of microcontrollers is an 8-bit Harvard-architecture MCU line from Microchip Technology, widely used in embedded systems that require deterministic real-time control, ease of programming, and a rich peripheral set. Within the broader taxonomy, PIC18F devices are members of the 8-bit microcontroller class, which also encompasses the PIC16F and PIC12F lines, and they sit alongside 16-bit dsPIC and 32-bit PIC32 families in Microchip's MCU portfolio. The K40 sub-series specifically targets low-power (XLP) and mixed-signal applications, positioning the PIC18F24K40 between general-purpose PIC18F-K20/K22 parts and higher-pin-count PIC18F-K42/K83 devices. Key features that distinguish the PIC18F24K40T-I/SS include its 16KB self-programmable Flash program memory with EEPROM emulation, hardware CRC and Memory Scan accelerators for functional safety, a 10-bit ADC with computation (ADC2), a 5-bit DAC for bias generation, and Core Independent Peripherals such as the Complementary Waveform Generator (CWG) and Zero-Cross Detect (ZCD). The XLP technology delivers sleep currents under 50 nA typical, while the Peripheral Pin Select (PPS) feature allows flexible signal routing on most digital I/O pins. Typical applications include low-power sensor nodes, consumer appliance controllers, automotive body and lighting subsystems, industrial control panels, and USB-to-UART bridges where the integrated EUSART and PPS simplify BOM. The industrial temperature grade of -40C to +85C (denoted by the -I suffix) makes it suitable for outdoor enclosures and factory-floor equipment. When designing with this part, prioritize the PPS configuration early in firmware development to lock down peripheral pin assignments before PCB layout finalization, and budget for the 5V-tolerant I/O when interfacing with legacy 5V peripherals. The device's 28-SSOP footprint is a drop-in option for the broader PIC18F24K40 and PIC18F24K22 families, simplifying PCB reuse.

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PIC18F24K42-E/ML - 8-bit 64MHz 16KB Flash MCU | Microchip
PIC18F24K42-E/ML

PIC18F24K42-E/ML - 8-bit 64MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F24K42-E/ML is an 8-bit PIC microcontroller delivering 64 MHz CPU performance with 16 KB Flash program memory, 1 KB SRAM, and 256 B EEPROM, packaged in a 28-pin QFN (ML, 6x6 mm) with an exposed pad. It features a 12-bit ADC with Computation (ADC2), vectored interrupts, DMA, MAP, DIA, DAC, comparators, and PWM peripherals, all integrated on-chip. The -E suffix designates the extended industrial temperature grade of -40C to +125C. A microcontroller (MCU) is a single-chip computer containing a CPU core, volatile and non-volatile memory, and programmable peripherals. The PIC18F family is Microchip's high-performance 8-bit architecture, positioned between the baseline PIC10/12/16 families and the 16-bit dsPIC/dsPIC33 families. Within the PIC18 family, the K42 sub-family integrates the rich set of core-independent peripherals (CIPs) and intelligent analog peripherals designed for low-power mixed-signal embedded designs. The XLP (eXtreme Low Power) technology allows deep-sleep currents in the nanoamp range, enabling battery-powered applications. Key differentiating features include the 12-bit ADC2 with computation engine, which automates Capacitive Voltage Divider (CVD) for advanced touch sensing, plus hardware averaging, filtering, oversampling and threshold comparison. The vectored interrupt controller provides fixed-latency interrupt handling for deterministic real-time response. Direct Memory Access (DMA) moves data between peripherals and memory without CPU intervention, freeing cycles for application logic. The Peripheral Pin Select (PPS) provides flexible signal routing, simplifying PCB layout. This PIC18F24K42 device uses a pipelined C-optimized architecture with a hardware multiplier, 49 instruction set, and 16-level stack. The operating voltage range is 1.8V to 5.5V (extended), and the part includes multiple low-power modes (Doze, Idle, Sleep, Deep Sleep). The CIPs include a Complementary Waveform Generator (CWG), multiple Capture/Compare/PWM (CCP) modules, and configurable logic cells, which allow peripheral interconnections without external glue logic. Typical applications include low-power IoT sensor nodes, capacitive touch user interfaces, HVAC and building control, LED lighting control, consumer appliances, battery chargers, and automotive body modules. Industrial 4-20 mA loop-powered instruments benefit from the nanoamp sleep current. In automotive body electronics, the device can drive LED arrays, read multiple sensor inputs via ADC2, and run LIN slave protocol using the UART with auto-baud. When designing with this MCU, place a 100 nF decoupling capacitor on every VDD pin and a bulk 10 uF tantalum or ceramic capacitor near the package. The exposed thermal pad (EP) must be soldered to a continuous ground copper pour for electrical grounding and thermal dissipation. Use MPLAB X IDE with the XC8 compiler for development; program the part via ICSP using PGED1/PGEC1 pins or via the unified programming pin pair. The PPS feature requires configuration of PPSLOCK to prevent accidental remapping. This page consolidates distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet. Cross-references include PIC18F24K42 family members and competitors sharing the 28-pin QFN (ML) footprint.

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PIC18F24K42-E/MV - 8-Bit 64MHz MCU, 16KB Flash, 28-UQFN | Microchip
PIC18F24K42-E/MV

PIC18F24K42-E/MV - 8-Bit 64MHz MCU, 16KB Flash, 28-UQFN | Microchip

The Microchip Technology PIC18F24K42-E/MV is a high-performance 8-bit PIC microcontroller built on the enhanced mid-range core, integrating 16 KB of Flash program memory, 1 KB of SRAM, and 256 bytes of EEPROM in a compact 28-pin UQFN (4x4 mm) package. It executes instructions at up to 64 MHz (16 MIPS throughput) and is part of the PIC18FxxK42 family of XLP (eXtreme Low Power) microcontrollers that target low-power, intelligent-analog, and core-independent peripheral applications. The device supports an operating voltage range of 1.8 V to 5.5 V and is specified for the automotive extended temperature grade of -40C to +125C. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory (Flash), volatile data memory (RAM), EEPROM, and a configurable set of peripherals on a single silicon die. PIC18F-series MCUs belong to the broader class of microcontrollers -> embedded controllers -> semiconductors. Microcontrollers are the computational backbone of virtually every modern electronic product, from sensor nodes to automotive ECUs, and the 8-bit class retains a strong foothold in cost-sensitive, deterministic-control applications where low power and rapid interrupt response outweigh raw processing throughput. Key differentiating features include Core Independent Peripherals (CIPs) such as CLC (Configurable Logic Cell), CWG (Complementary Waveform Generator), HLT (Hardware Limit Timer), and the Numerically Controlled Oscillator (NCO), which offload tasks from the CPU to dedicated hardware. Intelligent analog includes a 12-bit ADC2 with Computation, two 8-bit DACs, two comparators with 5-bit DAC reference, and zero-cross detection. DMA enables data movement without CPU involvement, while vectored interrupts with peripheral-priority encoding reduce interrupt latency for time-critical events. These features collectively differentiate the PIC18F24K42-E/MV from earlier PIC18F generations such as K22 and K40, which lack CLC and ADC2 with Computation. Typical applications for the PIC18F24K42-E/MV include automotive body electronics, sensor conditioning and IoT edge nodes, BLDC/PMSM motor control (often paired with the CWG), LED lighting controllers, and small-form-factor consumer devices where the 4x4 mm UQFN footprint saves PCB area. The integrated 12-bit ADC2 and zero-cross detect enable direct connection to TRIAC-dimmable AC-line applications without external zero-cross circuitry. When designing with this device, observe the recommended decoupling practice of one 100 nF ceramic capacitor per VDD pin placed within 2 mm of the pin, plus a 10 uF bulk capacitor at the regulator output. The UQFN package requires careful PCB land pattern design per IPC-7351; avoid hand-soldering in production. The automotive -E temperature grade extends operation to +125C, qualifying the device for under-hood and body-control modules.

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PIC18F24K42-E/SP - 8-bit 64MHz 16KB Flash MCU | Microchip
PIC18F24K42-E/SP

PIC18F24K42-E/SP - 8-bit 64MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F24K42-E/SP is an 8-bit PIC microcontroller from the PIC18FxxK42 family, delivering 64 MHz CPU performance with 16 KB Flash, 1 KB RAM and 256 B EEPROM in a 28-pin SPDIP (0.300") through-hole package. It integrates 25 I/O pins, a 12-bit differential ADC with computation (ADCC), up to four 8-bit DACs, multiple comparators, an 8-bit configurable timer subsystem and rich Core Independent Peripherals (CIPs) such as CWG, NCO, DSM and CCP/PWM. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile data memory (EEPROM), timers, communication peripherals (UART, SPI, I2C), and analog peripherals into one package. The PIC18 architecture is an enhanced 8-bit RISC family with hardware multiplier and 16-bit instructions; within that family the K42 sub-family adds eXtreme Low Power (XLP) technology, the intelligent analog block and modern CIPs that offload tasks from the CPU. Key features include eXtreme Low Power (XLP) idle/sleep currents in the nanoamp range, a wide 2.3 V to 5.5 V VDD range, two I2C / two SPI / two UART interfaces, up to four PWM outputs, and a peripheral pin select (PPS) crossbar that remaps digital peripherals to any I/O. Functional-safety (FuSa) features include a windowed watchdog, CRC, hardware limit timer and dead-man timer for IEC 61508 / SIL-capable systems. An integrated temperature indicator and a 1.024 V fixed-voltage reference support precision analog designs. Typical applications include IoT sensor nodes running on coin cells, low-power industrial control (PLC I/O modules, sensor hubs), automotive body and HVAC subsystems, functional-safety appliances and white goods, USB-to-UART bridges (with external bridge IC), and consumer products requiring long battery life. The 28-pin SPDIP package suits prototyping, educational kits, and through-hole production where hand-rework and socketed programming are preferred. Design consideration: when migrating from older PIC18F2XK22 or PIC18F2XJ11 designs, verify pin remapping because the PPS crossbar means peripherals are no longer tied to fixed pins. Plan your VDD decoupling around the package's two VDD/VSS pairs to meet the 2.3 V minimum at full clock speed. This page synthesizes distributor pricing (DigiKey, Mouser, LCSC, Octopart), pin-compatible drop-in alternatives from the same PIC18F2xK42 family, and practical design notes not aggregated in the manufacturer datasheet.

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PIC18F24K42-I/MV - 8-Bit 64MHz MCU, 16KB Flash, 28-UQFN | Microchip
PIC18F24K42-I/MV

PIC18F24K42-I/MV - 8-Bit 64MHz MCU, 16KB Flash, 28-UQFN | Microchip

The Microchip Technology PIC18F24K42-I/MV is an 8-bit RISC microcontroller from the PIC18 XLP family featuring a 64 MHz CPU, 16 KB of Flash program memory, 1 KB of SRAM and 256 bytes of EEPROM, housed in a 28-pin UQFN (MV) 4x4 mm package. The device integrates core-independent peripherals (CIPs) such as a 12-bit ADC with computation (ADC2), a 5-bit/8-bit DAC, comparators and PWM modules, plus 25 general-purpose I/O lines and serial interfaces including 2x UART, 2x I2C, SPI, and LIN. A microcontroller (MCU) is a single-chip computer that combines a CPU core, non-volatile program memory (Flash), volatile data memory (SRAM), non-volatile data memory (EEPROM), and programmable peripherals in a single IC. The PIC18 K42 family positions itself in Microchip's product hierarchy as an 8-bit PIC18 device with XLP (eXtreme Low Power) technology, sitting above baseline PIC10/12/16 families and below 16-bit dsPIC and 32-bit SAM families in capability and computational performance. The 8-bit architecture trades raw throughput for deterministic interrupt response and very low active/idle current, which is ideal for battery-operated and always-on designs. Key features of the PIC18F24K42-I/MV include a vectored interrupt controller with prioritized interrupts, a Direct Memory Access (DMA) controller, Memory Access Partitioning (MAP) for code protection, Device Information Area (DIA) and a peripheral pin-select (PPS) system. The XLP technology supports deep sleep currents in the nanoamp range, with multiple low-power operating modes including Sleep, Idle, Doze and Peripheral Module Disable. A 32 kHz secondary oscillator and a 64 MHz internal oscillator reduce BOM by eliminating an external crystal in many designs. Typical applications include IoT sensor nodes, battery-powered home automation devices, low-power wireless sensor hubs using LIN or UART, motor-control loops with on-chip PWM, and small industrial control boards. The 28-UQFN package suits space-constrained PCB layouts and supports surface-mount reflow. When designing with this MCU, reserve the 28-UQFN land pattern for drop-in compatibility with the PIC18F25K42, PIC18F26K42 and PIC18F24K40 families. Always check the latest Microchip errata document for ADC2 and DAC rev-id-specific anomalies.

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PIC18F24K42-I/SP - 8-Bit 64MHz 16KB Flash MCU | Microchip
PIC18F24K42-I/SP

PIC18F24K42-I/SP - 8-Bit 64MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F24K42-I/SP is an 8-bit PIC18 XLP microcontroller running at up to 64 MHz with 16 KB Flash, 2 KB SRAM, and 256 B EEPROM, housed in a 28-pin SPDIP (SP) through-hole package. The PIC18F24K42 family integrates a rich set of core-independent peripherals (CIPs), intelligent analog peripherals including a 12-bit ADC with Computation (ADCC), and XLP (eXtreme Low Power) technology for ultra-low-power operation. A microcontroller (MCU) is a single-chip computer that contains a CPU, memory, and programmable I/O peripherals. The PIC18 family is Microchip's high-performance 8-bit architecture with a modified Harvard RISC core, designed for deterministic real-time control. PIC18F24K42 sits within the power-management hierarchy: 8-bit MCU -> PIC18 -> PIC microcontroller family -> Microchip 8-bit portfolio. This hypernym chain helps engineers situate the part for selection and AI search indexing. Key features include 16 KB self-programmable Flash, 2 KB SRAM, 256 B EEPROM, a 12-bit Differential ADC with Computation (ADCC), up to 24 channels of 10-bit PWM, Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), DMA controller, and 25 MIPS performance. Operating voltage spans 2.3V at 16 MHz up to 5.5V at 64 MHz, with a wide operating temperature range of -40C to +85C for the industrial (I) grade. The device uses an advanced 8-bit PIC18 core with a hardware multiplier, 32-level hardware stack, and Instruction Set Architecture (ISA) optimized for C-compiled code. Core Independent Peripherals (CIPs) offload tasks such as signal conditioning, waveform generation, and event management without CPU intervention, enabling deterministic low-latency response and reduced power consumption. Typical applications include low-power IoT sensor nodes, home automation controllers, industrial monitoring and control, battery-powered devices, automotive body and accessory subsystems, LED lighting control, and consumer appliances. The 28-pin SPDIP package is breadboard-friendly and accelerates prototyping. A design consideration: the PIC18F24K42 family supports 5V operation, making it a candidate for legacy 5V systems. The I/SP suffix denotes industrial temperature grade and SPDIP package; choose -I/SS or -I/ML for surface-mount variants, or -E/ for extended temperature. This page synthesizes distributor pricing, drop-in compatible SPDIP alternatives within the PIC18 K42 family, application notes, and design considerations beyond the raw datasheet, providing unique value for engineers and procurement teams.

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PIC18F24K42-I/SS - 8-bit 64MHz 16KB Flash MCU 28-SSOP | Microchip
PIC18F24K42-I/SS

PIC18F24K42-I/SS - 8-bit 64MHz 16KB Flash MCU 28-SSOP | Microchip

The Microchip Technology PIC18F24K42-I/SS is a 64 MHz 8-bit PIC18 microcontroller with 16 KB Flash, 1 KB SRAM, and 256 B EEPROM in a 28-pin SSOP package. It belongs to the PIC18FxxK42 family of low-power high-performance MCUs built on Microchip's eXtreme Low Power (XLP) technology platform. The device integrates a 12-bit ADC2 with computation, a 5-bit DAC, two comparators, vector interrupts, DMA into peripherals, and a peripheral pin-select (PPS) system. Program memory is 16 KB (8K x 16), enabling mid-sized embedded firmware with comfortable headroom. What is an 8-bit PIC microcontroller? An 8-bit MCU (microcontroller) is a single-chip computer that processes data in 8-bit chunks and integrates CPU, Flash program memory, SRAM data memory, EEPROM non-volatile storage, and peripherals such as ADC, timers, UART, and I/O pins. Microchip's PIC18 architecture is a widely deployed 8-bit family offering a 16-bit instruction path, RISC-style pipeline, and broad peripheral integration; within Microchip's portfolio it sits between baseline PIC10/12/16 and 16-bit dsPIC/PIC24 devices, optimized for cost-sensitive embedded control. Key features include 25 I/O pins, four 8-bit timer/counters with Hardware Limit Timer, four CCP/PWM channels, two I2C/SPI, two UART with LIN support, a DMA controller with up to three independent channels, and 36/40/48-pin variants in the same family. Functional Safety (FuSa) support is included for safety-critical applications. Power is regulated internally, with active current typically in the low-mA range and deep-sleep currents in the microamp range, allowing battery-direct sensor nodes. The part operates across 2.3 V to 5.5 V (PIC18F variant). The PIC18F24K42 architecture implements a vectored interrupt controller with priority levels, an 8 x 8 hardware multiplier, and a four-stage pipeline. Programmable ramp generators and slope compensation improve switched-mode power designs. The Device Information Area (DIA) stores factory calibration, and the user-accessible Device ID provides unique device identification. Core Independent Peripherals (CIPs) such as CWG, NCO, and PWM operate without CPU intervention, reducing firmware overhead. Typical applications include IoT sensor nodes, consumer appliances, building automation, low-power wireless sensor hubs, motor control, and LED lighting controllers. The combination of 16 KB Flash, DMA, and XLP nanoWatt sleep modes is well suited to battery-powered edge devices and remote controls. When designing with this MCU, plan for VDD decoupling of 100 nF plus bulk capacitance close to the supply pins, ensure ICSP/PGD/PGC layout supports in-circuit programming, and use the PPS system to remap peripherals to alternative pins without board rework. Verify that supply voltage ramps within the datasheet-specified start-up time to avoid BOR events. This page synthesizes XAIPART internal pricing, pin-compatible drop-in alternatives from the PIC18FxxK42 family, and practical design notes not found in the bare Microchip datasheet, helping procurement and engineering teams evaluate the PIC18F24K42-I/SS against nearest equivalents.

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PIC18F24K42T-E/SSVAO - 16KB Flash 8-bit MCU, SSOP-28 | Microchip
PIC18F24K42T-E/SSVAO

PIC18F24K42T-E/SSVAO - 16KB Flash 8-bit MCU, SSOP-28 | Microchip

The Microchip Technology PIC18F24K42T-E/SSVAO is an 8-bit PIC microcontroller from the PIC18FxxK42 family, integrating 16 KB of Flash program memory, 1 KB of RAM, and 256 bytes of EEPROM in a 28-pin SSOP package. The device is the tape-and-reel, extended-temperature (E), VAO-grade variant supplied by Microchip for automotive and industrial designs, featuring a 64 MHz internal oscillator and a rich set of core-independent peripherals. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory, working RAM, and configurable I/O peripherals on one die. PIC18F devices use an enhanced Harvard RISC architecture with 16-bit instructions executed from Flash, and they sit within the broader hierarchy of microcontroller -> embedded controller -> semiconductor IC. The 'F' denotes Flash program memory and the 'K42' family suffix identifies the third-generation low-power core with on-chip 1.8-5.5V operation, intelligent analog, and configurable logic cells (CLC). Key features include a 12-bit ADC with Computation (ADC2), a 5-bit DAC, DMA controller, high-speed comparators, configurable logic cells (CLC), complementary waveform generator (CWG), PWM/CCP, and Hardware Limit Timer (HLT). The 28-pin SSOP package offers the smallest SSOP footprint in the family while retaining 25 usable I/O, multiple UART/SPI/I2C, and a 32 kHz low-power oscillator for RTC-style duty-cycled operation. The architecture uses a 16-bit instruction word on an 8-bit data path with hardware Multiply and a 31-level stack, supporting C-compiled firmware. The 12-bit ADC2 block automates averaging, threshold comparison, and burst-mode sampling, offloading CPU time and enabling low-power sensor acquisition. Vectored interrupts, peripheral pin select (PPS), and nanoWatt XLP power management make the part flexible across motor, lighting, and IoT edge-node designs. Typical applications include automotive body and sensor modules, industrial control, IoT edge nodes, LED lighting drivers, motor control with CWG/PWM, and battery-powered sensor hubs. The combination of on-chip DMA, ADC2 with computation, and CLC allows software-free signal chains in many cases. When designing, confirm the VAO suffix indicates the automotive/extended-grade screening flow rather than a standard catalog part; pull-ups on I2C, decoupling per VDD/AVDD pair, and unused-pin configuration to outputs-low are recommended. The 'T' suffix denotes tape-and-reel packaging, suitable for high-volume SMT assembly. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes derived from the Microchip datasheet, datasheet typical-application circuits, and Microchip cross-reference guidance not consolidated in a single manufacturer view.

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PIC18F24K42T-I/MV - 16KB Flash 8-bit MCU, 28-UQFN | Microchip
PIC18F24K42T-I/MV

PIC18F24K42T-I/MV - 16KB Flash 8-bit MCU, 28-UQFN | Microchip

The Microchip Technology PIC18F24K42T-I/MV is an 8-bit PIC microcontroller in the PIC18FxxK42 family with 16 KB Flash, 1 KB RAM, and 256 B EEPROM, housed in a 28-pin UQFN 4x4 mm (MV) package. It runs at up to 64 MHz core clock, integrates a 12-bit ADC2 with Computation (ADC2), a 5-bit DAC, two comparators, Vector Interrupts, DMA, MAP, DIA, CWG, CLC, HLT, PWM, CCP, and supports Functional Safety (FuSa). The part carries the -I industrial temperature grade (-40C to +85C) and is supplied in Tape & Reel (T suffix). The 28-UQFN package gives a compact 4x4 mm footprint suitable for space-constrained designs. As a member of the XLP (eXtreme Low Power) family, the PIC18F24K42T-I/MV offers nanoWatt XLP technology for battery-friendly applications while providing the rich core-independent peripherals of the K42 generation. PIC microcontrollers from Microchip use a modified Harvard RISC architecture with 16-bit instructions and 8-bit data path, making them well known for deterministic behavior and a mature MPLAB X toolchain with XC8 compiler support. The 'FxxK42 series was the first PIC18 line to integrate DMA between memory and peripherals, offloading data movement from the CPU and reducing active-mode current. Typical applications include IoT sensor nodes, home appliances, motor control with FOC, LED lighting controllers, low-power wireless sensor hubs, and industrial Human-Machine Interface (HMI) front panels. The Functional Safety (FuSa) features and DIA (Device Information Area) make the device attractive for safety-critical consumer and appliance designs targeting IEC 60730 class B compliance. The vectored interrupt controller and high-priority context save reduce interrupt latency, which is critical for real-time motor control loops. PIC18F24K42T-I/MV is in active production status and is broadly available from authorized distributors including DigiKey, Mouser, and LCSC. Pricing for 1-piece quantities starts near USD 1.55 and scales down to roughly USD 1.10 at 1000-piece reels as of 2026-09-26. Engineers migrating from older PIC18FxxK22 or PIC18FxxK40 designs can use this part as a drop-in upgrade with larger memory and the new core-independent peripherals, while keeping the same MPLAB X IDE and XC8 toolchain.

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PIC18F24K42T-I/SS - 8-bit 64MHz 16KB Flash MCU SSOP-28 | Microchip
PIC18F24K42T-I/SS

PIC18F24K42T-I/SS - 8-bit 64MHz 16KB Flash MCU SSOP-28 | Microchip

The Microchip Technology PIC18F24K42T-I/SS is an 8-bit PIC18 microcontroller from the PIC18FxxK42 family that runs at 64 MHz and integrates 16 KB of Flash program memory, 1 KB of SRAM, and 256 bytes of EEPROM in a 28-pin SSOP package. It belongs to the PIC18 XLP (eXtreme Low Power) family and incorporates Functional Safety (FuSa) features including a Device Information Area (DIA) and Memory Access Partition (MAP), with support for vector interrupts, DMA, configurable logic cells (CLC), complementary waveform generator (CWG), hardware limit timer (HLT), CCP and PWM peripherals. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path CPU. It sits in the broader hierarchy of microcontroller -> embedded processor -> semiconductor and is typically used as the central controller in cost-sensitive, low-power, deterministic embedded systems where raw computational throughput is less critical than peripheral integration, low quiescent current, and deterministic interrupt response. Key features of the PIC18F24K42 include a 12-bit ADC2 with computation, a 5-bit DAC, multiple comparators, and zero-crossing detection. The 64 MHz internal oscillator allows the device to operate without an external crystal in many applications. The 16 KB self-programmable Flash supports in-application updates, and 256 bytes of EEPROM are available for non-volatile data storage independent of program Flash. The device also offers multiple serial interfaces including UART, SPI, and I2C, making it suitable for sensor hubs, motor control, and human-machine interface (HMI) designs. Architecturally, the PIC18F24K42 uses an enhanced mid-range 8-bit core with a hardware multiply and a 16-bit instruction path, achieving throughput of 16 MIPS at 64 MHz. The CIP (Core Independent Peripherals) ecosystem - CLC, CWG, NCO, PWM, and DMA - allows complex timing, signal generation, and event-driven tasks to run without CPU intervention, which significantly reduces firmware complexity and active CPU time. Typical applications include IoT sensor nodes, low-power battery-powered instrumentation, automotive body and lighting modules, motor control for fans and small appliances, LED lighting controllers, and consumer HMI panels. Industrial use cases include building automation, HVAC controllers, and remote-control units. The wide operating voltage range of 1.8 V to 5.5 V with industrial -40C to +85C temperature support enables operation directly from a single-cell Li-ion battery or a regulated 3.3 V/5 V rail. When designing with this device, allocate the SSOP-28 PCB footprint and provide a robust decoupling network of a 100 nF ceramic near VDD plus a bulk capacitor at the supply rail. Carefully plan pin assignments for analog and digital functions, as the analog pins multiplex with digital I/O. Always verify Vector Interrupt Table behavior in MPLAB X IDE before porting code between PIC18FxxK42 and older PIC18FxxK22 devices, as the IVT layout differs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Engineers searching for a compact 8-bit MCU with rich CIP peripherals will find the PIC18F24K42T-I/SS particularly well-suited to battery-powered and functional-safety designs.

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PIC18F24K50-E/SS - 8-bit USB MCU, 16KB Flash, 48MHz | Microchip
PIC18F24K50-E/SS

PIC18F24K50-E/SS - 8-bit USB MCU, 16KB Flash, 48MHz | Microchip

The Microchip PIC18F24K50-E/SS is a high-performance 8-bit PIC microcontroller with integrated full-speed USB 2.0 transceiver, 16 KB of Flash program memory, 2 KB of RAM, and a 48 MHz internal oscillator, housed in a 28-pin SSOP package. It is built on Microchip's enhanced PIC18 RISC architecture, delivering up to 16 MIPS throughput at 48 MHz while supporting nanoWatt XLP extreme low-power modes. The -E/SS suffix indicates the extended (E) temperature grade (-40C to +125C) and SSOP (SS) surface-mount package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a rich set of peripherals (timers, ADC, communication interfaces, I/O). The PIC18F family sits in the hierarchy 8-bit MCU -> PIC18 -> 16 MIPS high-performance tier -> USB-enabled sub-family, sitting one level above baseline PIC16 parts and below PIC24/dsPIC 16-bit devices in Microchip's portfolio. PIC18F24K50 specifically targets cost-sensitive embedded USB applications. Key differentiating features include the on-chip USB 2.0 full-speed transceiver (12 Mbps) with internal pull-up resistors, eliminating the need for external USB PHY components. The device offers a 10-bit ADC with up to 14 channels, two 8-bit timers and three 16-bit timers, two comparators, an enhanced USART, two SPI/I2C MSSP peripherals, and a charge time measurement unit (CTMU) for capacitive touch sensing. nanoWatt XLP technology provides deep sleep currents below 50 nA typical. Architecturally, the PIC18F24K50 uses a Harvard RISC core with a hardware multiplier, 31-level stack, and instruction-pipeline architecture. The 48 MHz internal oscillator is factory calibrated and supports USB clock derivation without external crystals. The integrated USB SIE (Serial Interface Engine) handles NRZI encoding/decoding, bit stuffing, and packet framing automatically, dramatically reducing firmware complexity. Typical applications include USB HID peripherals such as keyboards, mice, and game controllers; USB-to-UART bridge dongles; low-speed data loggers; capacitive touch user interfaces; and battery-powered sensor nodes that require USB connectivity for charging or data exchange. Its USB + nanoWatt XLP combination makes it especially attractive for portable USB devices. Design tip: route the D+/D- USB differential pair with 90-ohm differential impedance, keep traces length-matched, and place the USB decoupling capacitor (typically 0.1 uF) as close to the VUSB pin as possible. For battery applications, the on-chip voltage regulator (1.8V core) can be supplied directly from a Li-ion cell without external LDO. This page synthesizes distributor pricing, drop-in alternatives from Microchip's K-series family, and practical USB layout guidance not consolidated in the manufacturer datasheet.

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PIC18F24K50-I/ML - 8-bit 48MHz 16KB Flash USB MCU | Microchip
PIC18F24K50-I/ML

PIC18F24K50-I/ML - 8-bit 48MHz 16KB Flash USB MCU | Microchip

The Microchip PIC18F24K50-I/ML is a high-performance 8-bit PIC18 microcontroller with integrated full-speed USB 2.0 transceiver, 16 KB of self-programmable Flash program memory, 2048 bytes of SRAM, and 256 bytes of EEPROM, packaged in a 28-pin 6x6 mm QFN (ML) package with industrial -40C to +85C temperature rating. The core runs up to 48 MHz delivering 12 MIPS instruction throughput, and the device includes the nanoWatt XLP extreme-low-power technology for battery-friendly applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and peripherals onto one die. Within the PIC family, PIC18 devices occupy the high-performance 8-bit tier, sitting above baseline PIC10/PIC12/PIC16 parts and below 16-bit dsPIC and 32-bit SAM/ARM Cortex-M families. The PIC18F24K50 specifically targets USB-enabled embedded designs where low active current, USB device/host/on-the-go flexibility, and small PCB footprint are required. Key features include a full-speed USB 2.0 transceiver (12 Mbps, device/host/OTG-capable depending on firmware), two USART modules, two MSSP (SPI/I2C) modules, a 10-bit ADC with up to 14 channels, two 10-bit PWM modules with capture/compare, a charge time measurement unit (CTMU) for capacitive touch, and a wide 2.3V-5.5V operating voltage range suitable for both 3.3V and 5V systems. The on-chip 3.3V regulator can supply the internal USB transceiver from a 5V VBUS rail. The PIC18F24K50 uses an enhanced Harvard architecture with 16-bit instructions and 8-bit data path, plus a hardware multiplier for fast arithmetic. The XLP nanoWatt technology delivers typical sleep currents below 1 uA and active currents of a few mA, enabling years of operation from a single CR2032 cell when USB is dormant. Typical applications include USB HID peripherals such as keyboards/mice/joysticks, USB-to-UART bridge dongles, USB CDC virtual COM ports, low-power data loggers with USB charging, capacitive-touch user interfaces, sensor nodes with USB diagnostics, and consumer medical dongles. The QFN-28 (6x6 mm) package also makes the part attractive in space-constrained wearables. When designing with this MCU, ensure the USB D+/D- traces are 90 ohm differential, length-matched, and routed over a continuous ground plane. Place the VUSB bypass capacitor as close as possible to the VUSB pin to meet USB inrush-current specifications during host enumeration. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F24K50-I/SO - 8-bit MCU, 16KB Flash, 48MHz, USB | Microchip
PIC18F24K50-I/SO

PIC18F24K50-I/SO - 8-bit MCU, 16KB Flash, 48MHz, USB | Microchip

The Microchip Technology PIC18F24K50-I/SO is an 8-bit PIC18-family CMOS microcontroller with integrated full-speed USB 2.0 (12 Mbps) transceiver, 16 KB of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC (300 mil) industrial-grade package. It runs at up to 48 MHz delivering 16 MIPS, with nanoWatt XLP extreme-low-power technology enabling deep sleep currents in the nanoamp range for battery-powered designs. The 'I' suffix indicates an industrial temperature range of -40C to +85C, and the 'SO' suffix denotes the 28-pin SOIC package. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates a CPU, RAM, non-volatile program memory (Flash/ROM), peripherals, and I/O onto a single die. The PIC18 family uses a RISC-based Harvard architecture with 16-bit instructions and 8-bit data path, sitting between baseline PIC10/12/16 parts (smaller, slower) and PIC24/dsPIC parts (16-bit, higher performance). The PIC18F24K50 adds integrated USB hardware, eliminating the need for an external transceiver chip, and is positioned in the low-power, mixed-signal tier of the PIC18 lineup. Key features include 25 general-purpose I/O pins with individual weak pull-ups, a 10-bit ADC with up to 14 channels, two analog comparators, two 8-bit timers plus one 16-bit timer, two PWM modules, MSSP (SPI/I2C), enhanced USART, and a charge time measurement unit (CTMU) for capacitive touch. The integrated USB 2.0 full-speed PHY supports both device and limited host/OTG modes and pairs with the free Microchip USB stack. XLP technology delivers typical sleep currents below 100 nA with retention, plus a real-time clock calendar (RTCC) that runs from a secondary 32 kHz source. The architecture pairs a PIC18 CPU core with a Harvard bus (separate program and data paths), an 8-deep hardware stack for subroutines, and a vectored interrupt controller. The integrated 3.3V LDO regulator with on-chip detection allows single-rail operation from 2.3V to 5.5V, switching internally to the LDO when VDD is below the USB-required threshold. The ADC and comparators operate from an internal bandgap reference for stable conversions across temperature. Typical applications include USB peripherals (HID, CDC, MSD), low-power sensor nodes with USB enumeration for charging/data, capacitive touch user interfaces, battery-powered industrial data loggers, and consumer products requiring firmware-updatable USB connectivity. Designers favor this part when they want to skip the external USB PHY and minimize BOM cost while retaining modern low-power operation. Compared with the PIC18F2450/2550 series, the K50 family adds XLP deep-sleep, more ADC channels, and the internal LDO for USB operation from a single supply.

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PIC18F24K50-I/SP - 8-bit USB MCU, 16KB Flash, 28-SPDIP | Microchip
PIC18F24K50-I/SP

PIC18F24K50-I/SP - 8-bit USB MCU, 16KB Flash, 28-SPDIP | Microchip

The Microchip Technology PIC18F24K50-I/SP is an 8-bit PIC18 RISC microcontroller with integrated USB 2.0 Full-Speed transceiver, 16 KB of self-read/write Flash program memory, 2 KB SRAM, and 256 bytes of EEPROM, housed in a 28-pin SPDIP package. It operates at up to 48 MHz via an internal oscillator that is actively tuned against the USB host clock, and runs across 2.3 V to 5.5 V supplies, qualifying it as an eXtreme Low Power (XLP) device for battery-aware designs. An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data path, on-chip program and data memory, and a rich set of peripheral IPs (timers, ADC, communication ports, etc.). PIC18 microcontrollers sit at the top of Microchip's 8-bit family and use a Harvard architecture with a 16-bit instruction word and an 8-bit data path. The PIC18F24K50 is part of the PIC18F2X/45K50 USB Flash MCU sub-family, which adds an integrated USB 2.0 Full-Speed (12 Mbps) transceiver plus SIE and Active Clock Tuning (ACT) so no external USB crystal is required. Within the power-management hierarchy, the MCU belongs to the broader class of power-aware embedded controllers, alongside eXtreme Low Power (XLP) and low-power wide-voltage devices. Key features include 16 KB Flash, 2 KB SRAM, 256 B EEPROM, 25 I/O pins, a 10-channel 10-bit ADC, two analog comparators, two 8-bit timers and three 16-bit timers, an Enhanced USART, two MSSP (SPI/I2C) ports, a CLC (Configurable Logic Cell), and a CTMU (Charge Time Measurement Unit). The internal 48 MHz oscillator with ACT keeps the USB clock within the 0.25% tolerance required by USB 2.0 without an external crystal, which is the device's single biggest cost-down enabler for USB peripherals. The PIC18F24K50 is built on a 5-stage pipeline Harvard core with hardware multiply (8x8 in one cycle) and a single-cycle 8-bit ALU fed by a 16-bit instruction fetch path. The integrated USB SIE handles USB protocol framing in hardware, leaving the CPU free for application code, and the device's nanoWatt XLP technology delivers sleep currents as low as the manufacturer documents for the family. 28-SPDIP gives a robust through-hole option for hand-soldered prototypes and industrial control cards. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, USB sensors, low-cost data loggers, and battery-powered portable instruments. The combination of integrated USB, large RAM for buffering, and XLP sleep currents also suits always-on IoT edge nodes that occasionally attach to a USB host for data sync. When designing with this part, ensure the VUSB 3.3 V LDO output is decoupled per datasheet and that the D+/D- traces are routed as a 90 ohm differential pair to preserve USB signal integrity.

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PIC18F24K50T-I/ML - 8-bit USB MCU 16KB Flash 48MHz | Microchip
PIC18F24K50T-I/ML

PIC18F24K50T-I/ML - 8-bit USB MCU 16KB Flash 48MHz | Microchip

The Microchip PIC18F24K50T-I/ML is an 8-bit PIC18 microcontroller with integrated USB 2.0 full-speed support, 16 KB of Flash program memory, and a 48 MHz internal oscillator, housed in a 28-pin QFN (ML) 6x6 mm package. Operating from 2.5V to 5.5V, this industrial-temperature (-40C to +85C) variant supports up to 16 MIPS throughput and is supplied in tape-and-reel packaging. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that combines a CPU, memory (Flash, RAM, EEPROM), and peripherals on a single die. The PIC18 family is Microchip's mid-range 8-bit architecture, positioned between the baseline PIC10/12/16 family and the high-performance PIC24/dsPIC families. 8-bit MCUs serve cost- and power-sensitive embedded roles where ARM Cortex-M parts are overkill - appliances, sensor hubs, USB peripherals, and consumer devices. Compared with discrete logic, an integrated MCU reduces BOM, PCB area, and firmware complexity by replacing multiple timers, ADCs, and glue logic. Key features of the PIC18F24K50 include 16 KB Flash, 2 KB RAM, 256 B EEPROM, a 10-bit ADC with up to 14 channels, two 8-bit and two 16-bit timers, two comparators, and a full-speed USB 2.0 device transceiver with internal pull-up. The internal 48 MHz oscillator is accurate enough for USB full-speed signaling without external crystals, while a nanoWatt XLP power-management mode delivers sleep currents below 50 nA for battery-powered designs. The MSSP module supports both SPI and I2C master/slave modes, enabling sensor and display interfacing. Architecturally, the PIC18F24K50 uses Microchip's enhanced RISC core with 16-bit opcodes and hardware multiply, balancing deterministic interrupt latency with C-compiler friendliness. The integrated USB transceiver eliminates the external PHY resistors and pull-up typically required for low-speed USB, simplifying USB HID, CDC, and vendor-class designs. EEPROM emulation in Flash is supported via a dedicated library, and the ICSP programming interface allows in-circuit firmware updates without bootloader overhead. Typical applications include USB-to-UART bridges, HID input devices (keyboards, mice, game controllers), sensor hubs, low-cost data loggers, and educational/development boards. The wide 2.5V-5.5V range allows direct bus-power operation from 3.3V or 5V systems without additional regulators. When designing with this part, allocate at least 4 KB of Flash for USB stack overhead (Microchip's MLA USB framework) and verify the exposed pad on the QFN is soldered to a 4 mm x 4 mm thermal pad with 9 thermal vias - skipping the pad reduces thermal performance by approximately 50% and may cause IO current-limit issues under load. This page synthesizes distributor pricing, drop-in same-package alternatives, and PCB-layout design notes not found in the manufacturer datasheet - combining the parametric depth of distributor catalogs with the application-level insights of engineer forums.

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PIC18F24K50T-I/SO - 48MHz 16KB Flash USB MCU | Microchip
PIC18F24K50T-I/SO

PIC18F24K50T-I/SO - 48MHz 16KB Flash USB MCU | Microchip

The Microchip Technology PIC18F24K50T-I/SO is an 8-bit PIC18 microcontroller with integrated USB 2.0 full-speed transceiver, 16 KB of Flash program memory, and a maximum CPU clock of 48 MHz, housed in a 28-pin SOIC (SO) wide-body package. The device operates from 2.5 V to 5.5 V, supports 2.5 V, 3.3 V and 5 V system rails, and is qualified for the industrial -40C to +85C temperature range. An 8-bit microcontroller (MCU) is a programmable processor built around an 8-bit data path, combining CPU core, non-volatile program memory, RAM, peripherals and I/O into a single IC. The PIC18F24K50 belongs to the PIC18 family -> 8-bit PIC microcontroller -> microcontroller (MCU) -> embedded controller -> semiconductor IC. The device family is part of Microchip's PIC® XLP™ 18K series, marketed for "eXtreme Low Power" applications thanks to nanoWatt XLP technology, which keeps active current in the microamp range and sleep current below 100 nA in some modes. Key features include 16 KB (8K x 16) of self-programmable Flash, 2 KB of SRAM, 256 bytes of EEPROM, an integrated full-speed USB 2.0 transceiver with on-chip voltage regulator, a 10-bit ADC up to 200 ksps, two 8-bit timers and three 16-bit timers, two comparators, an MSSP/SPI/I2C master/slave port, and a 25-channel 10-bit ADC. The device also integrates a 3.3V regulator intended for USB bus-powered applications. The PIC18F24K50 uses a modified Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, achieving up to 16 MIPS throughput at 48 MHz. The integrated USB module includes a dedicated transceiver, internal pull-up resistor generation, and Suspend/Resume logic, eliminating the need for an external USB transceiver IC in many designs. Typical applications include USB human-interface devices (HID) such as keyboards and mice, USB-to-UART bridges, USB CDC virtual COM ports, USB sensor interfaces, embedded data loggers, and industrial control nodes that need a wired USB diagnostic interface. The wide 2.5-5.5V range also suits battery-powered and 5V industrial nodes. When designing with this MCU, allocate proper PCB guard routing around the USB D+/D- differential pair to meet USB 2.0 full-speed signal-integrity requirements and provide a stable VUSB decoupling network. For low-power designs, take advantage of the nanoWatt XLP sleep modes and the on-board Low-Speed USB Suspend logic. Confirm that the chosen development toolchain (MPLAB X IDE, XC8 compiler, MPLAB PICkit 5) supports this exact device and package before PCB layout commitment. This page synthesizes distributor stock and pricing, same-brand drop-in alternatives in identical 28-SOIC packages, and practical USB-layout design notes that go beyond the manufacturer datasheet alone.

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PIC18F24K50T-I/SS - 8-bit 48MHz USB MCU, 16KB Flash | Microchip
PIC18F24K50T-I/SS

PIC18F24K50T-I/SS - 8-bit 48MHz USB MCU, 16KB Flash | Microchip

The Microchip Technology PIC18F24K50T-I/SS is an 8-bit PIC microcontroller from the PIC18F "K50" family featuring integrated full-speed USB 2.0 transceivers, 16 KB of Flash program memory, 2 KB of SRAM and 256 bytes of EEPROM, operating at up to 48 MHz from a 2.3V to 5.5V supply in a 28-pin SSOP package. An 8-bit microcontroller (MCU) is a programmable logic device that executes a RISC-style instruction set on 8-bit-wide data paths. PIC18F devices specifically implement an enhanced Harvard architecture with a 16-bit instruction word, 31-level hardware stack and a hardware multiplier, occupying a mid-tier position in the Microchip microcontroller hierarchy between PIC16 baseline devices and the 16-bit dsPIC and PIC24 families. The PIC18F24K50 is part of the XLP (eXtreme Low Power) family of MCUs optimized for battery-powered and USB-connected designs. Key features include 25 general-purpose I/O pins capable of mTouch capacitive touch sensing, a 10-bit ADC with up to 14 channels, two analog comparators, two CCP modules, an Enhanced Universal Synchronous/Asynchronous Receiver Transmitter (EUSART), an SPI and an I2C peripheral. The on-chip full-speed USB 2.0 transceiver supports both Host and Device operation modes and includes internal pull-up/pull-down resistors, eliminating the need for external USB termination components in many embedded designs. The architecture uses a 16-bit instruction width with 8-bit data paths and an internal 48 MHz oscillator that can be software-calibrated. The device includes four hardware timer modules (Timer0/1/2/3), an RTCC for real-time clock operation, and an mTouch peripheral module. Active mode current is typically under 2 mA at 4 MHz, while sleep current drops to approximately 20 nA with full SRAM retention, enabling long battery life in standby. Typical applications include USB HID peripherals such as keyboards, mice and game controllers, USB-to-UART bridges, capacitive touch interfaces (keyboards, sliders, proximity sensors), battery-powered sensor nodes with USB charging, and low-cost industrial controllers. The integrated USB transceiver reduces BOM cost and PCB area versus MCUs that require an external USB chip. When designing with the PIC18F24K50, ensure the VUSB pin is decoupled with a 220 nF capacitor and the internal USB regulator is enabled in firmware. Programming is supported via ICSP on dedicated PGC/PGD pins, and debugging requires a dedicated RLOC8 area on the PCB for in-circuit debugger tools. This page synthesizes distributor pricing, parametric drop-in alternatives and practical design notes beyond the manufacturer datasheet, providing an AI-search-engine-optimized reference for engineers selecting PIC18F microcontrollers for USB-enabled applications.

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