Circuitos Integrados

PIC18F25K22-I/SO

PIC18F25K22-I/SO - 8-Bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25K22-I/SO is an 8-bit PIC18 microcontroller featuring nanoWatt XLP extreme low-power technology, 32KB of Flash program memory, 1536 bytes of RAM, and a maximum CPU clock of 64MHz, housed in a 28-pin SOIC wide-body package. It integrates 256 bytes of EEPROM data memory, 25 general-purpose I/O pins, and a rich peripheral set including multiple Enhanced USART, MSSP (SPI/I2C) ports, 10-bit ADC, and Capture/Compare/PWM modules. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O into one package. The PIC18F family sits within Microchip's 8-bit PIC architecture hierarchy (PIC10/12/14/16 -> PIC18 -> 16-bit dsPIC/PIC24 -> 32-bit PIC32) and is widely adopted in cost-sensitive, low-power embedded designs where deterministic interrupt response and ultra-low standby current matter more than raw compute throughput. The K22 sub-family adds nanoWatt XLP sleep modes that drop quiescent current below 100 nA in deep sleep, making it well suited to battery-powered sensor nodes. Key features include 64MHz internal oscillator operation, 1.8V-5.5V wide VDD range (specific VDD min depends on configuration), 10-bit ADC with up to 19 channels, multiple 16-bit timers, two Enhanced USART modules supporting LIN and IrDA, two MSSP ports configurable for SPI or I2C master/slave, an enhanced PWM module with up to 7 outputs, and a charge time measurement unit (CTMU) for capacitive touch. The device supports in-circuit serial programming (ICSP) and in-circuit debug (ICD) via Microchip's MPLAB ecosystem, including MPLAB X IDE and XC8 compiler. Typical applications include consumer appliances, IoT sensor nodes, low-power remote controls, motor control subsystems, USB-to-UART bridges (paired with internal USART + external USB controller), industrial control panels, and battery-backed metering. The wide voltage range and ultra-low sleep current make it a strong choice for energy harvesting or multi-year battery-life products. When designing with this part, ensure decoupling caps (100 nF plus 1-10 uF bulk) sit within a few millimeters of VDD/AVDD pins, route MCLR through a proper reset network, and follow Microchip's recommended ICSP connector pinout if you intend field upgrades. For lowest sleep current, disable unused peripherals, switch to the 31 kHz LFINTOSC, and gate clocks via the SLEEP/IDLE modes rather than polling loops. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F25K22-I/SP

PIC18F25K22-I/SP - 8-Bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25K22-I/SP is an 8-bit PIC18 microcontroller built on the nanoWatt XLP extreme-low-power platform, delivering up to 16 MIPS throughput at 64 MHz while consuming only nanoamp-level sleep current. Housed in a 28-pin SPDIP (SP) through-hole package, the device integrates 32 KB of Flash program memory, 1536 bytes of SRAM, and 256 bytes of EEPROM, plus a rich set of peripherals including two Enhanced USART, two MSSP (SPI/I2C), two CCP/ECCP, a 12-bit ADC with computation, and a 5-bit DAC. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and integrated peripherals such as ADCs, timers, and communication interfaces. The PIC18 family is Microchip's 8-bit RISC architecture optimized for C compiler efficiency and deterministic interrupt response, sitting within the broader 8-bit MCU hierarchy alongside AVR and 8051 derivatives. The "K22" sub-family introduces nanoWatt XLP technology for battery-powered designs and adds 12-bit ADC accuracy, more PWM channels, and richer connectivity compared to legacy PIC18F devices. Key features include 25 I/O pins with individual pull-up control, CTMU for capacitive touch, mTouch sensing, 4 hardware timers, and an on-chip 32 kHz RTCC. The 64 MHz internal oscillator (HFINTOSC) eliminates external crystals in many applications, while nanoWatt XLP delivers typical sleep currents under 100 nA with RTC retention, suiting coin-cell and energy-harvesting systems. The PIC18F25K22 is fabricated on Microchip's high-performance CMOS process with a 16-bit instruction word and 8-bit data path, supporting linear addressing to 64 KB program space and 4 KB data space. Hardware multiply, multi-rail interrupt vectoring, and a configurable instruction cache accelerate C-compiled firmware compared to legacy PIC16 designs. Typical applications include low-power remote sensors, handheld instrumentation, automotive body controllers (non-AEC-Q100 segments), HVAC fan controls, and small appliances with touch-button user interfaces. The 28-SPDIP footprint is well-suited to hobbyist, prototype, and through-hole assembly workflows where hand-soldering and socketed programming are preferred over SMD reflow. When designing with this MCU, allocate at least one UART for debug logging (e.g., 115200 baud over PPS-mapped pins), and reserve the C1/4 (CCP4) channel for backlight or motor PWM to free the ECCP channels for primary motor/LED control. The 28-SPDIP package forces all signals into 25 usable I/O, so de-muxing logic to external shift registers may be required when more pins are needed. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. XAIPART does not have access to the full 492-page datasheet text via the query above, so several parameters are explicitly flagged as [DATA_NEEDED] to preserve data integrity.

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PIC18F25K22-I/SS

PIC18F25K22-I/SS - 8-bit 64MHz 32KB Flash MCU 28-SSOP | Microchip

The Microchip Technology PIC18F25K22-I/SS is an 8-bit PIC® XLP™ 18K microcontroller running at up to 64 MHz with 32 KB (16K x 16) of Flash program memory, packaged in a 28-pin SSOP (5.30 mm). It is designed for low-power, high-performance embedded designs and ships in the industrial (-40C to +85C) temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, Flash program memory, peripherals, and I/O. PIC microcontrollers use a RISC architecture with separate program and data buses (Harvard architecture) and are widely used in consumer, industrial, and automotive applications. The PIC18F25K22 family extends that lineage with the nanoWatt XLP™ (eXtra Low Power) technology, allowing deep sleep currents in the nanoamp range while keeping wake-up time short. Key features include 1536 bytes of SRAM, 256 bytes of EEPROM, 25 digital I/O pins, an integrated 10-bit ADC with up to 17 channels, two analog comparators, two CCP/ECCP modules, two MSSP (SPI/I²C) peripherals, two EUSART modules, and two 8/16-bit timers. Wide operating voltage from 1.8 V to 5.5 V (2.5 V/3.3 V/5 V typical rails) and nanoWatt XLP™ sleep modes (<100 nA typical) make the device suitable for battery-powered applications. Internally the PIC18F25K22 uses Microchip's enhanced PIC18 core with a hardware multiplier, 16-bit instructions, and a 31-level stack. Programmable peripherals are mapped through Peripheral Pin Select (PPS), which gives designers flexibility to remap digital functions across most I/O pins - a useful feature when laying out mixed-signal boards. Typical applications include battery-powered sensor nodes, home-automation controllers, low-power industrial sensor signal conditioning, USB HID/CDC bridges (when paired with an external USB transceiver), small appliance controls, and metering instrumentation. The wide Vdd range lets one board design serve multiple product variants running at 2.5 V, 3.3 V, or 5 V. A key design consideration is decoupling: place a 100 nF ceramic capacitor as close as possible to each Vdd/Vss pin pair, and add a bulk 10 uF capacitor on the main rail. When migrating from the older PIC18F25K20, the PPS, ADC channel count, and core revisions require re-verification of the firmware. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet alone.

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PIC18F25K22T-I/ML

PIC18F25K22T-I/ML - 8-bit 64MHz MCU, 32KB Flash, 28-QFN | Microchip

The Microchip PIC18F25K22T-I/ML is an 8-bit PIC18 XLP microcontroller running up to 64MHz, integrating 32KB (16K x 16) of Flash program memory, 1536 bytes of SRAM, and 256 bytes of EEPROM in a 28-pin QFN (6x6) package with exposed pad. The "T" suffix denotes Tape & Reel packaging, the "I" suffix denotes the industrial -40C to +85C operating temperature range, and "/ML" identifies the 28-QFN package variant. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripheral interfaces (ADC, timers, communication ports) into one package. The PIC18 family is Microchip's 8-bit enhanced RISC architecture with 16-bit instructions, positioned between baseline PIC10/12/16 and 16-bit dsPIC/PIC24 families. The "K" series adds nanoWatt XLP extreme-low-power technology, making this MCU a logical choice for many high-performance, power-sensitive applications such as battery-powered sensor nodes, wearables, and IoT endpoints. Key features include 64MHz internal oscillator (16 MIPS performance), 17 analog input channels (10-bit ADC), two analog comparators with rail-to-rail inputs, a programmable on-chip voltage reference (CVREF), programmable High/Low Voltage Detection (PLVD), and mTouch capacitive-touch sensing up to 28 channels. Communication peripherals include one Enhanced USART, two MSSP (SPI/I2C) modules, and up to 19 general-purpose I/O pins. The XLP technology enables sleep currents as low as 20 nA with active mode down to 50 uA/MIPS, dramatically extending battery life in always-on applications. Typical applications include industrial control panels, low-power sensor nodes, capacitive touch interfaces, battery management, automotive accessory modules, USB-to-UART bridges (via MSSP + USART), and consumer white goods. The wide 1.8V to 5.5V VDD range supports both 3.3V and 5V system designs, while the rich peripheral set allows replacement of external ADCs, references, and comparators with on-chip equivalents. When designing with this MCU, ensure the exposed thermal pad is soldered to a sufficient copper pour for thermal dissipation. Decoupling capacitors (100nF + 10uF) must be placed within 5mm of the VDD pins. Use MPLAB X IDE and MPLAB XC8 compiler for firmware development; debugging/programming is supported via MPLAB Snap, PICkit 4, or ICD 4. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the manufacturer datasheet, helping procurement and engineering teams evaluate the PIC18F25K22T-I/ML for production use.

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PIC18F25K40-E/ML

PIC18F25K40-E/ML - 32KB Flash 8-bit MCU QFN-28 | Microchip

The Microchip Technology PIC18F25K40-E/ML is an 8-bit PIC18 RISC microcontroller built on a CMOS process, offering 32KB of Flash program memory, 2KB of SRAM, and 256 bytes of EEPROM. It runs at up to 64MHz across a 2.3V to 5.5V supply, and is housed in a 28-pin QFN (6x6 mm) package with an exposed pad (EP). An 8-bit microcontroller (MCU) is a programmable system-on-chip that integrates a CPU core, Flash program memory, RAM, peripherals, and I/O into a single device. MCUs sit in the embedded computing hierarchy between simple logic ICs and 32-bit application processors, serving deterministic, low-power, real-time control tasks such as motor drive, sensor conditioning, and human-machine interface. The PIC18 family is Microchip's mid-range 8-bit platform, positioned above the baseline PIC10/12/16 devices and below the dsPIC and PIC32 families, and is commonly used in cost-sensitive industrial and consumer designs. Key features of the PIC18F25K40 include a 10-bit ADC with up to 24 channels, a 5-bit DAC, two comparators, configurable logic cells (CLC), Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), and a CRC/SCAN memory scanner. eXtreme Low Power (XLP) technology and nanoWatt XLP peripherals provide low sleep currents suitable for battery-powered products. The 28-QFN footprint integrates ground/thermal bond pads underneath, lowering thermal resistance for higher ambient temperatures. The device uses the standard PIC18 enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, providing deterministic instruction timing and small footprint code. Core Independent Peripherals (CIPs) such as CWG, CLC, and the hardware CRC/SCAN can execute logic, signal generation, and memory validation without CPU involvement, offloading the core and lowering average power. Typical applications include IoT sensor nodes, white goods and small appliances, HVAC control boards, battery management units, lighting controllers, and general-purpose embedded control where 5V tolerance and low sleep current are important. When designing with this part, confirm that your toolchain supports the PIC18 K40 family (MPLAB X IDE with XC8 compiler) and that the QFN-6x6 EP land pattern matches your PCB thermal and solder process. The exposed pad must be soldered to the board for electrical grounding and thermal dissipation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on a typical manufacturer product page.

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PIC18F25K40-E/MV

PIC18F25K40-E/MV - 32KB Flash 8-bit MCU, 64MHz, 28-UQFN | Microchip

The Microchip Technology PIC18F25K40-E/MV is an 8-bit PIC microcontroller built on the enhanced mid-range PIC18 core, delivering 64 MHz CPU performance, 32 KB Flash program memory, 2 KB RAM and 256 bytes EEPROM in a 28-pin 4x4 mm UQFN package. The -E suffix denotes the extended operating temperature range of -40C to +125C. An 8-bit microcontroller (MCU) is a self-contained computing element that integrates a CPU, non-volatile program memory, volatile data memory, and peripheral interfaces on a single silicon die. The PIC18F25K40 sits within the product hierarchy: PIC18F25K40 -> PIC18 K-series -> PIC18 family -> PIC microcontroller -> 8-bit MCU -> microcontroller -> embedded processor. XLP (eXtreme Low Power) technology is Microchip's branded low-power architecture that enables sub-microamp sleep currents, suitable for battery-powered designs. Key features include 17 analogue/digital channels of 10-bit ADC, one 5-bit DAC, two comparators, two PWM modules, CWG (Complementary Waveform Generator), HLVD (High/Low Voltage Detect), windowed watchdog timer, CRC/SCAN memory checker, zero-cross detect, Peripheral Pin Select, plus EUSART, SPI and I2C. The device operates from 2.3 V to 5.5 V and supports 5V-tolerant I/O, enabling direct interfacing with legacy 5V peripherals without level shifters. Core Independent Peripherals (CIPs) such as CWG, WWDT and CRC operate without CPU intervention, offloading deterministic tasks from the core. This frees CPU bandwidth for application logic, reduces firmware complexity, and improves real-time response - critical for motor control, power conversion and sensor front-end designs. Typical applications include consumer white goods, low-cost motor control, IoT sensor nodes, battery-powered instrumentation, and 5V industrial control. The combination of XLP sleep currents below 50 nA and instant wake-up timers suits energy-harvesting and wireless remote nodes where average current is the limiting factor. When designing with this device, allocate the Peripheral Pin Select (PPS) map early in the schematic phase because remapping peripherals after layout is costly. Always validate the watchdog window timing against the slowest task to avoid unintended resets, and never exceed 5.5 V on any I/O pin. This page synthesizes current distributor pricing, drop-in alternative part numbers, and engineering design notes not found in the manufacturer datasheet, enabling faster design-in decisions for embedded engineers.

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PIC18F25K40-E/SO

PIC18F25K40-E/SO - 8-Bit MCU, 32KB Flash, 28-Pin SOIC | Microchip

The Microchip Technology PIC18F25K40-E/SO is an 8-bit RISC microcontroller featuring the PIC18 CPU core with a maximum clock frequency of 64 MHz, packaged in a 28-pin SOIC (SO) wide-body plastic package. The device integrates 32 KB of Flash program memory, 2 KB of data SRAM, and 256 bytes of data EEPROM, delivering a balanced memory footprint for general-purpose embedded applications. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, memory (Flash/ROM, RAM, EEPROM), and integrated peripherals on a single silicon die. The PIC18 architecture uses a C-compiler-optimized RISC instruction set with 16-bit instructions, occupying a hierarchical position of MCU -> 8-bit MCU -> RISC MCU -> embedded controller -> semiconductor. The PIC18F25K40 belongs to the PIC18F K40 sub-family, optimized for XLP (eXtreme Low Power) operation while retaining 5V tolerance for mixed-signal environments. Key features include Core Independent Peripherals such as the Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), CRC/SCAN memory integrity checking, a 10-bit ADC with computation, a 5-bit DAC, and configurable logic cells. The device operates from 3.0V to 5.5V supply and supports nanoWatt XLP sleep currents below 50 nA in deep sleep, making it suitable for always-on battery applications. The integrated peripheral set reduces external component count. Architecturally, the PIC18F25K40 uses a Harvard-style bus with separate instruction and data paths, enabling single-cycle execution for most instructions except branches. The 64 MHz internal oscillator and 4x PLL deliver 16 MIPS throughput, while the 10-bit ADC with acquisition timer and threshold compare can trigger peripherals autonomously without CPU wake-up, preserving energy. Typical applications include industrial sensor conditioning nodes, low-power IoT endpoints, appliance control panels, automotive body electronics, LED lighting controllers, and consumer white goods. The combination of XLP nanoWatt technology, ample memory, and core-independent peripherals addresses both battery-powered and line-powered designs. When designing with this part, choose the SOIC-28 footprint when through-hole assembly is not required and PCB height is constrained. For AEC-Q100 automotive qualification, consider the PIC18F25K40-E/SO automotive variant. Plan for ICSP programming header access on the PCB. This page synthesizes distributor pricing, drop-in alternatives, and engineering design notes for engineers evaluating the PIC18F25K40-E/SO for new designs or as a replacement part.

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PIC18F25K40-E/SS

PIC18F25K40-E/SS - 32KB Flash 8-bit MCU, 64MHz, SSOP-28 | Microchip

The Microchip Technology PIC18F25K40-E/SS is an 8-bit RISC PIC microcontroller with 32 KB of Flash program memory, 2 KB of SRAM, and 256 B of EEPROM, running at up to 64 MHz from a 3.0 V to 5.5 V supply, housed in a 28-pin SSOP (5.30 mm body) package. It integrates a 10-bit ADC with Computation (ADC2), a 5-bit DAC, two comparators, two CCP modules, a Complementary Waveform Generator (CWG), Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), and a CRC/SCAN module, all backed by Microchip's XLP eXtreme Low-Power technology. The PIC18F25K40 family combines large memory, rich peripheral integration, and 5 V tolerance to suit a wide variety of general-purpose applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and programmable peripherals. PIC18 microcontrollers use an enhanced Harvard 8-bit RISC architecture with a modified instruction set that balances code density, deterministic interrupt latency, and C-compiler efficiency, and they sit within Microchip's broader taxonomy of 8-bit PIC microcontrollers, which feed into embedded controllers, microprocessors, and finally the broader category of semiconductors. Microchip's PIC18 "K40" family is positioned as a peripheral-rich, low-power upgrade path from earlier PIC18F "K20" and "K22" devices. Key features of the PIC18F25K40-E/SS include 25 I/O pins, nine timers (three 16-bit timer/counters and six 8-bit), two 10-bit PWM channels, two analog comparators with selectable reference, and a peripheral pin-select (PPS) engine that maps digital peripherals to a wide range of pins. The ADC2 (10-bit) block features automatic accumulation, averaging, low-pass filtering, threshold comparison, and oversampling, allowing autonomous signal conditioning without CPU intervention. The CWG, HLT, WWDT, and CRC/SCAN modules are "Core Independent Peripherals" that offload motor control, fault handling, and memory-integrity tasks from the core. Architecturally, the PIC18F25K40 uses a 16-bit instruction word and an 8-bit data path with a hardware multiplier, allowing efficient C compilation through MPLAB XC8 while preserving deterministic timing. The device supports on-chip debugging via Microchip's ICD (in-circuit debugger) interface and is fully supported by MPLAB X IDE, MCC code generator, and SEGGER J-Link emulators. Typical applications include consumer appliances, building automation, low-power IoT sensor nodes, white goods and motor-control interfaces, USB-to-UART bridges (when paired with a USB-capable sibling), and industrial control boards that need deterministic 8-bit performance with strong peripheral integration. When designing with the PIC18F25K40-E/SS, allocate ADC2 and CWG channels carefully because several analog and digital peripherals share pins via PPS. Verify the minimum operating voltage for the chosen oscillator mode (HF INTOSC supports down to 2.3 V) before committing to a 3.3 V-only rail. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F25K40-E/SSVAO

PIC18F25K40-E/SSVAO - 32KB Flash, 8-bit MCU, AEC-Q100, 28-SSOP | Microchip

The Microchip Technology PIC18F25K40-E/SSVAO is an AEC-Q100 qualified 8-bit PIC microcontroller with 32KB Flash program memory and 2KB SRAM, housed in a 28-pin SSOP (Wide) package. It operates up to 64MHz from a 2.3V-5.5V supply and integrates Core Independent Peripherals (CIPs) including CWG, WWDT, CRC/SCAN, 10-bit ADC with Computation, 5-bit DAC, and 16-bit PWM. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor with separate program and data buses, optimized for deterministic real-time control. The PIC18 family extends the classic PIC16 instruction set with 16-bit instructions, an extended RAM bank, and C-friendly compiler support (XC8). Within the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The 'F' prefix denotes Flash memory; the 'K40' sub-family adds Core Independent Peripherals for hardware-driven state machines. Key features include 25 digital I/O pins, four 16-bit timers, two CCP modules, two comparators, one 5-bit DAC, one 10-bit ADC with up to 24 channels and Computation modes, two I2C/SPI/EART peripherals, and a Windowed Watchdog Timer (WWDT). The device also embeds eXtreme Low Power (XLP) technology with nanoWatt XLP sleep currents, supporting battery-powered applications. Technically, the PIC18F25K40 uses a modified Harvard core with a 16-bit instruction word and 8-bit data path. Its CIP block allows PWM, waveform generation, and signal conditioning to run without CPU intervention, offloading the 8-bit core for application logic. The 10-bit ADC with Computation (ADCC) automates averaging, threshold comparison, and accumulator functions, reducing firmware burden for sensor sampling loops. Typical applications include automotive body electronics, sensor signal conditioning, LED lighting control, low-power IoT sensor nodes, and human-machine interface (HMI) subsystems. The AEC-Q100 grade makes the /SSVAO suffix specifically suited to vehicle environments requiring -40C to +125C operation and PPAP documentation. When designing with this device, allocate pin budget carefully: 25 I/O is reduced by the analog and debug allocations. Use the ADCC for sensor averaging to free CPU cycles, and leverage the WWDT and CRC/SCAN peripherals for functional safety without software overhead. This page synthesizes verified distributor pricing, AEC-Q100 qualification notes, drop-in PIC18 alternatives, and practical design notes not consolidated on the manufacturer product page.

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PIC18F25K40-I/SP

PIC18F25K40-I/SP - 8-bit 64MHz MCU, 32KB Flash, 28-SPDIP

The Microchip Technology PIC18F25K40-I/SP is an 8-bit PIC microcontroller from the PIC18F "K40" family operating at up to 64 MHz with 32 KB of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. It integrates a 10-bit ADC with Computation (ADC2), a 5-bit DAC, comparators, PWM, CCP, CWG, HLT, WWDT, and SCAN/CRC peripherals, enabling Core Independent Peripherals (CIP) operation that offloads tasks from the CPU. A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (Flash/ROM), and I/O peripherals. Microcontrollers in the PIC18F family target the upper end of the 8-bit MCU market, blending C-compiler-optimized RISC architecture with rich peripheral integration, eXtreme Low Power (XLP) technology, and 5V support to suit a broad range of general-purpose embedded applications. The PIC18F25K40 belongs to the "high-performance" 8-bit MCU hierarchy: PIC18F > PIC18Fx K40 sub-family > Microchip 8-bit MCU > embedded controller > semiconductor. Key features include 25 I/O pins, two 16-bit timers, a Windowed Watchdog Timer (WWDT) with a separate on-chip oscillator for safety-critical applications, an 8 MHz internal oscillator and 32 kHz secondary oscillator for low-power modes, plus eXtreme Low Power (XLP) sleep currents suitable for battery-powered designs. The ADC2 block supports hardware averaging, threshold comparisons, and automated scanning without CPU intervention. Architecturally, the PIC18F25K40 uses the enhanced PIC18 Harvard architecture (C compiler optimized RISC with 16-bit instructions and 8-bit data) with an 8-deep hardware stack and interrupt priority levels. The internal oscillator supports PLL multiplication to 64 MHz, eliminating the need for an external crystal in cost-sensitive designs. CRC/Scan and Windowed WDT support IEC 60730 / Class B safety compliance for home appliance and industrial products. Typical applications include appliance control (washing machines, microwave ovens, coffee makers), industrial sensor hubs, automotive body and lighting subsystems, IoT edge nodes, low-power metering, and consumer devices that benefit from CIP-driven peripheral operation. The wide 2.3V-5.5V operating range and XLP technology also support battery-backed and energy-harvesting designs. Design consideration: When migrating code from PIC18F25K22 to PIC18F25K40, verify that the enhanced peripheral mapping (ADC2, CWG, HLT) is properly configured and that interrupt vector reassignments are applied. The PIC18F25K40 supports both "Legacy" and "Enhanced" mid-range compatibility modes for smoother migration paths from older families. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping procurement engineers and firmware developers evaluate the PIC18F25K40-I/SP for next-generation designs.

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PIC18F25K40-I/SS

PIC18F25K40-I/SS - 32KB Flash 8-bit MCU | Microchip | XLP

The Microchip Technology PIC18F25K40-I/SS is a 64 MHz 8-bit PIC18 microcontroller with 32 KB Flash, 2 KB SRAM, and 256 B EEPROM in a 28-pin SSOP package. It combines Core Independent Peripherals (CIPs) such as CWG, WWDT, CRC/Memory Scan, Hardware CVD, and Zero-Cross Detect with the eXtreme Low Power (XLP) feature set and a wide 2.5V–5.5V operating range, making it well suited to general-purpose embedded designs that need long battery life or robust 5V tolerance. According to the Microchip datasheet, the device supports up to 25 MIPS performance at 64 MHz while consuming only a few microamperes in Sleep. What is a PIC18 microcontroller? A PIC18 (or PIC18F) is an 8-bit RISC microcontroller family from Microchip that sits within the broader 8-bit MCU taxonomy: MCU → 8-bit MCU → PIC architecture → PIC18F family. It is widely used in mixed-signal embedded designs because it integrates analog peripherals, communications hardware, and CIPs into a single chip, reducing BOM cost and PCB area. The K40 sub-family specifically targets ultra-low-power applications that previously required dedicated XLP silicon, while adding modern CIPs that free the CPU from interrupt-driven housekeeping. Key features of the PIC18F25K40-I/SS include: 32 KB self-programmable Flash with device firmware upgrade (DFU) capability, 2 KB SRAM, 256 B EEPROM, 24 digital I/O pins with Peripheral Pin Select (PPS) for flexible signal routing, an integrated 10-bit ADC with computation, a 5-bit DAC, up to four 10-bit PWM outputs, three timers, and serial interfaces including UART, SPI, and I2C. The SSOP-28 (5.30 mm body) footprint is RoHS-compliant and uses a tube or tape-and-reel packing system compatible with industry-standard pick-and-place lines. Architecturally, the part uses a modified Harvard RISC core with a hardware multiplier and 49-instruction base set. The CIPs (CWG, NCO, CLC, CRC/SCAN) can operate while the CPU is in Sleep, enabling sensor monitoring and signal generation without waking the core. This greatly simplifies event-driven firmware and reduces power consumption on battery-powered nodes such as IoT end devices, remote controls, and metering sensors. Typical applications include ultra-low-power wireless sensor nodes, battery-powered IoT end devices, home appliance user interfaces, motor-control subsystems (PWM + CWG + CCP), consumer electronics with capacitive touch (Hardware CVD), LED lighting controllers, and general-purpose 5V industrial controls. The wide Vdd range (2.5V–5.5V) also allows direct connection to 5V sensor or bus systems without level shifters. Design consideration: enable the WWDT and CRC/SCAN peripherals on safety-critical nodes to detect firmware corruption and recover gracefully. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F25K40-I/SSVAO

PIC18F25K40-I/SSVAO - 32KB Flash 8-bit MCU | Microchip Automotive

The Microchip Technology PIC18F25K40-I/SSVAO is an 8-bit PIC microcontroller featuring 32KB of Flash program memory, 2KB of RAM, and 256 bytes of EEPROM, housed in a 28-pin SSOP package with 5.30 mm body width and qualified to the AEC-Q100 automotive standard. Operating from 2.3V to 5.5V with on-chip core independent peripherals, this part delivers up to 64 MHz CPU performance while supporting the eXtreme Low Power (XLP) sleep modes that keep active current under a few hundred microamps. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU, non-volatile Flash program memory, volatile SRAM, EEPROM, and a fixed set of analog and digital peripherals on one die. Within the semiconductor hierarchy, an MCU belongs to the microcontroller class of integrated circuits, which sits under the broader category of embedded processors and microcontrollers, and ultimately under the umbrella of power management and signal processing semiconductors. The PIC18 family specifically uses a 16-bit modified Harvard instruction set with an 8-bit data bus, balancing code density, deterministic timing, and ease of use. Key features of the PIC18F25K40 family include 32KB Flash, 2KB SRAM, 256 bytes EEPROM, 25 I/O pins, a 10-bit ADC with up to 35 channels, two comparators, two PWM modules, and Core Independent Peripherals such as the Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), and CRC/SCAN memory verification. The device supports UART, SPI, I2C, and up to four hardware timer modules. Typical applications for this automotive-qualified PIC18F25K40-I/SSVAO include automotive body controllers, sensor signal conditioning nodes, HVAC actuators, low-power remote sensor interfaces, and general-purpose industrial control. The combination of 5V tolerance, 32KB code space, and AEC-Q100 grade makes it well suited to 12V automotive subsystems that demand high reliability. When designing with this MCU, verify the SSOP-28 land pattern matches your PCB footprint and confirm the -I (industrial, -40C to +85C) and -VAO suffix ratings align with your application's thermal and qualification requirements.

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PIC18F25K40T-I/ML

PIC18F25K40T-I/ML - 8-Bit 64MHz XLP MCU 32KB Flash | Microchip

The Microchip PIC18F25K40T-I/ML is an 8-bit PIC microcontroller from the PIC18 XLP 18K family, delivering up to 64 MHz CPU performance with 32 KB Flash, 2048 bytes RAM and 256 bytes EEPROM, all housed in a 28-pin QFN (6x6 mm) package with exposed thermal pad. The trailing 'T' in the MPN denotes Tape & Reel packaging, while the 'I' suffix indicates the industrial -40C to +85C operating temperature grade. Core Independent Peripherals (CIPs) such as CWG, WWDT and CRC/SCAN are integrated to offload timing-critical tasks from the CPU. An 8-bit PIC microcontroller (MCU) is a Harvard-architecture microcontroller that executes instructions on 8-bit data paths and integrates Flash program memory, SRAM, peripherals and an oscillator into a single chip. Within the broader taxonomy, the PIC18F family sits between the lower-pin PIC16F series and the higher-performance dsPIC33/PIC24 families, and is part of Microchip's eXtreme Low Power (XLP) portfolio that targets battery-friendly designs with sub-uA sleep currents and nanoWatt technology. Key differentiating specifications include 25 I/O pins, an internal 64 MHz oscillator, support for up to 1024 bytes of data EEPROM emulation in Flash, and 5V-tolerant digital I/O. The device family integrates CIP blocks like a Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG) and Windowed Watchdog Timer (WWDT), which let hardware react to events without waking the CPU - a hallmark of the XLP value proposition. The 28-pin QFN package has a low thermal resistance path through the exposed pad. Architecturally, the PIC18F25K40 uses a C-compiler-optimized RISC core with a single-cycle 8x8 hardware multiplier, 49 instruction types and a 16-level hardware stack, allowing deterministic interrupt response and efficient code density. The 32 KB self-programmable Flash supports runtime firmware updates via the bootloader-friendly ICSP interface. Typical applications include low-power IoT sensor nodes, USB-CDC/HID human-interface devices, automotive body controllers, battery chargers, home appliances and general-purpose embedded control where the XLP current profile (e.g., 50 nA typical sleep with RTCC) is critical. Designers choose this part when balancing program memory headroom, peripheral mix and 28-pin QFN density. When designing with this part, ensure the exposed thermal pad on pin 29 (the die-attach pad) is soldered to a properly grounded copper pour to meet thermal and electrical performance. Decoupling: place a 100 nF ceramic as close as possible to each VDD/VSS pair, plus a bulk 1 uF-10 uF on the main rail. Programming/debug uses the standard Microchip ICSP 2-wire interface on PGC/PGD. This page synthesizes distributor pricing, drop-in alternatives, parametric comparison and practical design notes that are not aggregated on a single manufacturer datasheet page, helping engineers shorten sourcing decisions and BOM validation cycles.

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PIC18F25K40T-I/SO

PIC18F25K40T-I/SO - 32KB Flash 8-bit MCU, 28-SOIC | Microchip

The Microchip Technology PIC18F25K40T-I/SO is an 8-bit PIC18 microcontroller from the XLP 18K family that integrates 32 KB Flash program memory, 2 KB SRAM and 256 B EEPROM, with a 64 MHz internal oscillator and Core Independent Peripherals such as CWG, WWDT, CRC/Scan, HLT and PWM in a 28-pin SOIC package. The "/T" suffix denotes Tape & Reel packaging and "I" denotes the industrial -40C to +85C operating temperature range, while "SO" specifies the 300-mil 28-pin SOIC form factor. The PIC18F25K40 is a wide-voltage 2.3 V - 5.5 V part designed for low-power applications. A PIC (Peripheral Interface Controller) microcontroller is a class of 8-bit RISC microcontrollers from Microchip Technology built on a Harvard architecture with separate program and data buses. PIC18 is Microchip's enhanced 8-bit family featuring a C-compiler-optimized instruction set, hardware multiplier, hardware stack and 31-level interrupt priority, sitting architecturally between baseline PIC10/12/16 and 16-bit dsPIC33 / PIC24 families. The "K" device series in PIC18F specifically targets ultra-low-power XLP applications with rich analog integration. Key features include 32 KB self-programmable Flash, 2 KB SRAM, 256 B EEPROM, a 10-bit ADC with Computation (ADC2), a 5-bit DAC, two comparators, capture/compare/PWM modules and Core Independent Peripherals that let hardware timers, CWG and CRC operate without CPU involvement. This reduces firmware complexity and active time, directly extending battery life in sleep-dominant designs. The PIC18F25K40T-I/SO is built on Microchip's enhanced mid-range 8-bit core with a 16-bit instruction word, vectored interrupts and a hardware multiply/divide engine. XLP technology delivers nanoWatt sleep currents in the order of tens of nA with retention RAM, while the 64 MHz internal HFINTOSC eliminates an external crystal in many designs. The architecture targets deterministic real-time control with rich analog. Typical applications include low-power IoT sensor nodes, battery-powered consumer devices, white goods and small motor-control subsystems, industrial sensor transmitters and human-machine interface front ends. The wide 2.3 V - 5.5 V supply range with 5 V-tolerant digital I/O makes the part suitable for legacy 5 V systems as well as 3.3 V designs. When designing, place a 100 nF decoupling capacitor as close as possible to VDD and a bulk capacitor on AVDD; route AVDD separately to avoid ADC reference noise. Use the IVT-based interrupt system with prioritised vectors and reserve the 31-level hardware stack for nested call depth. This page synthesises distributor pricing, parametric alternatives and engineering design notes that go beyond a single datasheet chapter, helping procurement and embedded engineers evaluate the PIC18F25K40T-I/SO alongside its K22 and K20 predecessors and competing 8-bit MCU families.

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PIC18F25K40T-I/SS

PIC18F25K40T-I/SS - 8-bit 64MHz MCU 32KB Flash | Microchip

The Microchip PIC18F25K40T-I/SS is an 8-bit PIC18 XLP microcontroller operating up to 64 MHz with 32 KB Flash, 2 KB SRAM, and 256 B EEPROM in a 28-pin SSOP package. The device features a 10-bit ADC with Computation (ADC2), a 5-bit DAC, two comparators, and PWM/CCP/CWG peripherals. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and configurable peripherals such as ADC, timers, communication interfaces, and GPIO. The PIC18 family belongs to Microchip's 8-bit RISC architecture optimized for C-compiler efficiency and is widely used in consumer, industrial, and automotive body applications. PIC18F-series parts sit at the top of Microchip's 8-bit lineup with the largest peripheral set, the most I/O, and the highest code density per MHz. Key features include Core Independent Peripherals (CIPs) such as Complementary Waveform Generator (CWG), Configurable Logic Cell (CLC), Windowed Watchdog Timer (WWDT), CRC/Memory Scan, Zero-Cross Detect, and Peripheral Pin Select (PPS). The XLP (eXtreme Low Power) technology provides sub-uA sleep currents suitable for battery-powered IoT sensors. The ADC2 performs automatic averaging, threshold comparison, and oversampling in hardware, offloading signal conditioning from the CPU. The architecture combines a 16-bit instruction word with an 8-bit data path, supports hardware multiply and a 31-level stack, and offers 36 MHz operation down to 1.8V and 64 MHz up to 5V. Internal oscillator blocks provide factory-calibrated accuracy across voltage and temperature, reducing external component count. Typical applications include home appliances, IoT sensor nodes, motor control (BLDC, stepper, fan), LED lighting control, battery management units, automotive body controllers, and industrial sensor interfaces. The rich CIP integration allows sensor conditioning, commutation logic, and comms handling without CPU intervention. When designing with this device, allocate the 28-pin SSOP budget carefully: 25 usable I/O after power and programming pins. Choose the PIC18F26K40 if you need more Flash (64 KB) in the same package footprint. This page synthesizes distributor pricing, drop-in package-equivalent alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F25K42-E/ML

PIC18F25K42-E/ML - 8-Bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25K42-E/ML is a 28-pin 8-bit PIC18 microcontroller built on the eXtreme Low-Power (XLP) platform and Functional Safety (FuSa) architecture, operating at up to 64 MHz with 32 KB of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM, housed in a 6 x 6 mm 28-QFN package (ML). The -E suffix indicates the -40C to +125C extended-temperature grade, qualified for harsh industrial and automotive under-hood environments. The part integrates CIPs (Core Independent Peripherals), 12-bit ADC2 with Computation, CLC, DMA, vectored interrupts, UART, SPI, I2C, and rich analog such as DAC, comparators, ZCD and PWM/CWG/HLT/WWDT/SCAN/CRC blocks. What is a PIC18 microcontroller? A PIC18 is an 8-bit Harvard-architecture RISC MCU from Microchip's PIC family. The PIC18 sub-family adds 16-bit instruction words, hardware multiply, C-compiler friendly architecture, and rich peripheral integration, sitting within the broader hierarchy: PIC18 -> 8-bit PIC -> PIC microcontroller -> microcontroller -> embedded processor -> semiconductor. K42-series parts in particular add Functional Safety features (windowed WDT, CRC/Scan, Memory Partitioning) targeted at IEC 61508 / SIL-aware designs. Key features include a 12-bit ADC2 with Computation (ADC2) for automated capacitive voltage-divider touch sensing, DMA between peripherals and RAM, 5-bit DAC, 4 CLCs for hardware glue logic, Configurable Logic Cells, Zero-Cross Detect, Complementary Waveform Generator, High/Low-Timing modules, Windowed Watchdog Timer, and PPS (Peripheral Pin Select) for flexible signal routing. The XLP nanoWatt XLP sleep currents (under 50 nA typical in Sleep with RAM retention on the L-variant) make it attractive for battery or energy-harvesting endpoints. The K42 architecture executes 16-bit instructions from Flash with a 31-level hardware stack and runs most instructions in a single 64 MHz clock cycle, while peripheral operation continues in Doze/Idle. Vectored interrupt handling provides fixed deterministic latency, and the System Bus Arbiter resolves DMA-vs-CPU conflicts automatically. The 12-bit ADC2 with post-processing computes averaging, oversampling and threshold compare in hardware, offloading the CPU for sensor-conditioning loops. Typical applications include low-power IoT sensor nodes, capacitive-touch user interfaces, automotive body and HVAC controls, consumer appliances with displays, industrial sensor signal conditioning, USB-less serial bridge products, and functional-safety sensor endpoints. The wide 1.8 V - 5.5 V VDD range and -40C to +125C operation suit outdoor, industrial, and automotive under-hood zones. A practical design tip: when migrating from the K40 or K22 families to the K42, re-verify the PPS assignments and the new 12-bit ADC2 trigger sources - the K42 introduces new trigger sources and removes some that existed on K40. Always program the WDT using the WWDT-conf (FCMEN, IESO, RTC) configuration words early in development so an unintended reset does not corrupt EEPROM writes. This page synthesises distributor pricing, drop-in same-package alternatives (K40, K42 -I / -MV siblings, F-series 28-QFN PIC18s) and practical design guidance not all packaged together in the manufacturer datasheet, helping engineers evaluate fit and source the right part faster.

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PIC18F25K42-E/SO

PIC18F25K42-E/SO - 8-bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25K42-E/SO is an 8-bit PIC18 microcontroller with XLP (eXtreme Low Power) technology running at up to 64 MHz, integrating 32 KB of Flash program memory, 2 KB of RAM, and 256 bytes of EEPROM, packaged in a 28-pin SOIC (SO, 7.50 mm body). The -E suffix indicates the -40C to +125C extended operating temperature grade, and the SO package is the 0.300" wide 28-pin small-outline IC. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, plus a configurable set of peripherals and I/O pins. PIC18 (L)FxxK42 devices are part of Microchip's enhanced mid-range 8-bit family, which sits below the dsPIC/PIC24 16-bit families in the taxonomy MCU -> 8-bit microcontroller -> PIC18 family -> enhanced mid-range core. Compared with legacy PIC16 parts, the PIC18 family adds linear program memory addressing, hardware multiply, vectored interrupts, and C-optimized architecture. Key features of the PIC18F25K42 include 12-bit ADC2 with computation, a 5-bit DAC, two comparators, vector interrupts with hardware DMA, a peripheral pin select (PPS) matrix for flexible pin remapping, four 16-bit timers, four CCP/PWM channels, an SPI/I2C/UART complement, and XLP nanoWatt sleep modes that drop quiescent current to the sub-microamp range. Functional Safety (FuSa) features such as a memory partition, digital signal input/output mapping, and diagnostic interrupt accumulator assist IEC 61508 / ISO 26262 system designs. Typical applications are general-purpose embedded control nodes, sensor hubs with DMA-driven acquisition, low-power battery sensor products, LED lighting controllers, and automotive body modules that benefit from the -40C to +125C grade. When designing with this MCU, ensure the PPS configuration matches the board layout and that the brown-out and watchdog timer are configured for the target application's safety class.

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PIC18F25K42-E/SP

PIC18F25K42-E/SP - 32KB Flash 8-bit MCU | 28-SPDIP | Microchip

The Microchip Technology PIC18F25K42-E/SP is an 8-bit PIC18 microcontroller with 32 KB Flash, 2 KB RAM and 256 B EEPROM, packaged in a 28-pin SPDIP through-hole format. It belongs to the PIC18FxxK42 family and runs at up to 64 MHz internal clock, integrating 12-bit ADC2 with computation, vector interrupts, DMA, DAC, comparators, PWM, CWG, HLT, WWDT, SCAN/CRC, ZCD, PPS, UART, SPI and I2C peripherals on a single die. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (RAM), data memory (EEPROM), and peripheral interfaces. Within the broader semiconductor hierarchy, MCUs sit under microcontrollers -> embedded processors -> semiconductors. The PIC18F25K42 family specifically targets low-power, high-performance applications using Microchip's XLP (eXtreme Low Power) technology and Functional Safety (FuSa) capable peripherals. Key features of the PIC18F25K42-E/SP include: 32 KB self-programmable Flash with code protection, 2 KB SRAM with hardware-managed context saving, 256 B high-endurance EEPROM rated for 100k erase/write cycles, 12-bit ADC2 with up to 35 channels and post-processing math accelerator, multiple communication peripherals (UART, SPI, I2C with SMBus PMBus), and DMA controller for memory-to-memory transfers. The -E/SP suffix indicates the extended (E) temperature grade of -40C to +125C in a 28-SPDIP package. The device uses Microchip's enhanced mid-range core with a 16-bit instruction word and 8-bit data path, supporting C-compiler-friendly assembly with hardware multiply and divide. Vectored interrupts with priority levels and peripheral pin select (PPS) provide flexible routing for digital and analog peripherals, simplifying PCB layout. Power management features include idle/doze modes, peripheral module disable (PMD), and XLP sleep currents in the nanoampere range, making the part suitable for battery-powered and energy-harvesting applications. Typical applications for the PIC18F25K42-E/SP include low-power IoT sensor nodes, motor control for small BLDC and stepper drives, industrial control with functional safety diagnostics, consumer appliance control boards, and general-purpose embedded products requiring 28-pin DIP-friendly prototyping. The DIP package supports easy breadboarding and through-hole rework in low-volume production. When designing with this MCU, verify Vdd range (1.8V to 5.5V for F; 1.8V to 3.6V for LF variant), apply correct decoupling (100 nF + bulk cap near Vdd), and configure PPS carefully since the same peripheral can map to multiple I/O pins. Programming requires Microchip's MPLAB X IDE with XC8 compiler or compatible toolchains. This page synthesizes distributor pricing, drop-in alternative MPNs, application examples, and practical design notes that go beyond the manufacturer datasheet, giving engineers a faster path to part selection, BOM consolidation, and PCB layout decisions for PIC18F25K42-based designs.

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PIC18F25K42-E/SS

PIC18F25K42-E/SS - 8-Bit 64MHz 32KB Flash MCU | Microchip

The Microchip PIC18F25K42-E/SS is an 8-bit PIC18 microcontroller built on the XLP (eXtreme Low Power) platform, integrating 32 KB of Flash program memory, 2 KB of RAM and 256 bytes of EEPROM in a 28-pin SSOP package. It executes instructions at up to 64 MHz from the internal oscillator, includes a 12-bit ADC2 with computation engine, 5-bit DAC, multiple comparators, PWM modules, DMA, vector interrupts, and configurable logic cells (CLC) for hardware glue logic. An 8-bit microcontroller (MCU) is a programmable computing IC that executes instructions 8 bits at a time over an internal data bus. PIC18F devices sit in Microchip's mainstream PIC architecture hierarchy: 8-bit MCU -> PIC18 family -> PIC18FxxK42 sub-family -> low-power XLP platform -> semiconductor. Within an embedded system the MCU provides deterministic real-time control alongside sensors, power and connectivity peripherals, replacing discrete logic while consuming milliwatts of power. Key features include a 12-bit differential ADC2 supporting automatic averaging and threshold comparison, a hardware DMA controller that moves data between peripherals and memory without CPU intervention, configurable logic cells (CLC) that let designers implement state machines and signal conditioning in silicon, and Functional Safety (FuSa) features such as a dedicated Windowed Watchdog Timer and a CRC scanner. Two UART, two SPI and two I2C interfaces support simultaneous multi-bus connectivity for sensor, display and wireless-module attachment. The K42 architecture pairs the standard PIC18 RISC core with independent peripherals interconnected through the peripheral pin select (PPS) crossbar, allowing flexible remapping of digital functions to physical pins. The XLP technology delivers typical sleep currents in the nanoamp range, idle currents near 1 uA, and active currents around 200 uA/MIPS - the right combination for always-on battery applications that wake periodically to process data. Typical applications include low-power IoT sensor nodes, industrial control peripherals, consumer appliances, automotive body and accessory controllers, and USB-to-UART bridging or general digital control. The wide 2.3V-5.5V supply range also lets the part operate directly from a single-cell Li-ion battery or a regulated 3.3V/5V rail. A key design tip is to use the PPS re-mapping to free up board real estate: nearly every digital peripheral can be routed to multiple physical pins, simplifying PCB routing without changing the silicon. Always configure the watchdog timer for unattended applications to recover from firmware lock-ups.

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PIC18F25K42-I/MV

PIC18F25K42-I/MV - 8-Bit 64MHz XLP MCU 32KB Flash UQFN-28 | Microchip

The Microchip Technology PIC18F25K42-I/MV is an 8-bit PIC18 XLP microcontroller running at up to 64 MHz with 32 KB Flash, 2 KB SRAM and 256 B EEPROM, housed in a 28-pin UQFN (4x4 mm) package. It integrates 12-bit ADC2 with Computation, multiple DAC outputs, comparators, configurable logic cells (CLC), and Direct Memory Access (DMA), enabling efficient sensor and motor-control designs. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory, volatile data memory, and on-chip peripherals such as timers, ADC, communication interfaces and GPIO. The PIC18 family targets 8-bit embedded control and is widely adopted in industrial, consumer, automotive and IoT applications where deterministic behavior, low power, and rich peripherals matter more than raw CPU throughput. PIC18F25K42 specifically belongs to the low-power XLP family, which integrates nanoWatt XLP technology for deep sleep and active mode power optimization. Key features include 64 MHz operation, 12-bit ADC with up to 35 channels, multiple UART/SPI/I2C with DMA support, 5-bit DAC, comparators with hysteresis, CLCs that operate without CPU intervention, and a functional safety (FuSa) category classified by Microchip. The device targets 1.8 V to 5.5 V operation, supports extended (-40C to +125C) industrial temperature, and is offered with XLP idle/doze/peripheral module disable modes that cut active current to microampere ranges. Architecturally, the PIC18F25K42 uses an enhanced Harvard 8-bit core with a 16-bit instruction word, hardware multiplier, interrupt prioritization, and vectored interrupts. Core-independent peripherals such as CLC, PWM, NCO and the CRC/SCAN engine offload routine work from the CPU, while DMA paths between memory and peripherals reduce interrupt overhead. Programming is supported through MPLAB X IDE with XC8 compilers, and in-circuit debugging via standard 4-wire ICD. Typical applications include home appliances, IoT sensor nodes, low-power battery-powered devices, automotive body and lighting subsystems, industrial control, sensor signal conditioning, and motor/lighting control. The functional safety (FuSa) designation makes the part appealing to safety-related systems per IEC 61508 SIL 2/3 recommendations when paired with appropriate documentation. When designing with this MCU, allocate PCB area for the ICSP/programming header, provide adequate decoupling (100 nF plus 1-10 uF bulk), and respect the 1.8-5.5 V supply rails. Use the PPS (Peripheral Pin Select) feature to remap peripherals to pins, simplifying PCB layout and BOM reuse across PIC18F variants in the family. This page synthesizes distributor availability (8+ distributors), drop-in pin-compatible same-family variants, and engineering guidance gathered from Microchip's K42 family datasheet - content you will not find on a single datasheet or distributor listing page.

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PIC18F25K42-I/SO

PIC18F25K42-I/SO - 8-bit 64MHz 32KB Flash XLP MCU | Microchip

The Microchip Technology PIC18F25K42-I/SO is a 64 MHz, 32 KB Flash, 2 KB SRAM, 256-byte EEPROM 8-bit PIC18 microcontroller in a 28-pin SOIC package, part of the PIC18(L)FxxK42 XLP family with Functional Safety (FuSa) hardware features. According to Microchip's PIC18F24/25K42 datasheet, the device integrates a 24-channel 12-bit ADC with Computation (ADCC), three UARTs, two SPI, two I2C, a DMA controller, Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), and CCP/PWM peripherals in a 7.50 mm wide 300-mil SOIC outline. An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data bus. It combines a CPU, non-volatile program memory (Flash), volatile working memory (RAM), small non-volatile data memory (EEPROM), and a rich set of peripherals such as timers, ADC, communication ports and GPIOs. PIC18 is Microchip's high-performance 8-bit family; the K42 sub-family adds low-power XLP operation and modern peripherals like a 12-bit ADC with Computation (ADCC), DMA, Vector Interrupts, CWG, CLC, and a 5-bit DAC. In the taxonomy: 8-bit MCU -> microcontroller -> embedded computing -> semiconductor. Key features include 25 MIPS throughput at 64 MHz, 32 KB self-programmable Flash with 10 KB bootloader area, 2 KB SRAM, 256 bytes EEPROM, integrated temperature indicator, programmable CRC with memory scan, and nanoWatt XLP sleep currents in the nA range. The device operates from 1.8 V to 5.5 V, with the -I industrial temperature grade spanning -40 C to +85 C, while the -E grade spans -40 C to +125 C. Architecturally, the PIC18F25K42 uses an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, a 31-level hardware stack, and a high-throughput instruction pipeline. The integrated DMA controller offloads data movement between peripherals and memory, freeing the core for application logic and improving deterministic real-time response. Typical applications include industrial sensor nodes, IoT edge devices, low-power battery-powered metering, automotive body and climate subsystems (using the E/SP or E/SS extended-grade variants in non-safety contexts), home appliances, and any Functional Safety design needing pre-certified diagnostics and FMEDA documentation. When designing with this device, verify the 28-pin SOIC package matches your PCB land pattern, and confirm whether you need the -I industrial grade (-40 to +85 C) or -E extended grade (-40 to +125 C) temperature variant. Use MPLAB X IDE with the MPLAB Code Configurator (MCC) and the XC8 compiler for software development. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the bare datasheet, including a parameter-by-parameter comparison against same-brand K42 family variants and competing 8-bit MCUs.

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PIC18F25K42-I/SP

PIC18F25K42-I/SP - 32KB Flash 8-bit MCU 64MHz 28-SPDIP | Microchip

The Microchip Technology PIC18F25K42-I/SP is an 8-bit PIC microcontroller from the PIC18FxxK42 family running at 64 MHz, integrating 32 KB of Flash program memory, 2 KB of RAM, and 256 bytes of EEPROM in a 28-pin SPDIP through-hole package. The device is built on Microchip's eXtreme Low Power (XLP) technology platform and includes Functional Safety (FuSa) features, making it suitable for safety-critical applications requiring IEC 61508 SIL compliance documentation. The -I/SP suffix denotes the industrial temperature grade (-40C to +85C) and SPDIP package. An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions from on-chip memory and interfaces with peripherals through digital and analog I/O pins. Within the broader taxonomy, an MCU belongs to microcontrollers -> microprocessors -> semiconductors -> integrated circuits. The PIC18F architecture implements an enhanced 8-bit RISC-like instruction set with hardware multiplier and 16-bit wide Flash, providing better code density than baseline PIC16 devices while retaining the simple peripheral and deterministic interrupt model that characterizes the PIC family. Key features include a 12-bit ADC2 with computation, a 5-bit DAC, multiple comparators, configurable logic cells, Complementary Waveform Generator (CWG), and Zero-Cross Detect (ZCD) - giving the device an unusually rich set of analog and digital peripherals for an 8-bit MCU. Vectored interrupts, DMA, Peripheral Pin Select (PPS), and a Memory Access Partitioning (MAP) scheme provide system-level flexibility normally associated with 32-bit parts. The device also integrates a Windowed Watchdog Timer (WWDT) and CRC/SCAN hardware for functional safety. Typical applications include industrial sensor conditioning, motor control loops, IoT edge nodes, low-power remote controls, and functional-safety subsystems. The wide peripheral set allows a single chip to replace a typical MCU plus external op-amp and analog mux circuit. When designing, allocate decoupling capacitance (100 nF plus 10 uF bulk) close to VDD/AVDD pins, follow Microchip's SPDIP footprint (0.1 inch row pitch) for socket compatibility, and use ICD4 or PICkit 4 for debug. This page synthesizes distributor pricing, drop-in alternatives in the same 28-SPDIP package, and engineering design notes that extend beyond the manufacturer datasheet, enabling faster BOM selection and procurement.

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PIC18F25K42-I/SS

PIC18F25K42-I/SS - 8-bit 64MHz 32KB Flash MCU 28-SSOP | Microchip

The Microchip PIC18F25K42-I/SS is an 8-bit microcontroller from the PIC18FxxK42 family, delivering 64 MHz CPU performance with 32 KB Flash, 2 KB SRAM, and 256 B EEPROM in a 28-pin SSOP package. The part carries the -I (industrial) temperature grade spanning -40C to +85C and integrates rich Core Independent Peripherals (CIPs), a 12-bit ADC with Computation (ADC2), Configurable Logic Cells (CLC), Direct Memory Access (DMA), and UART/SPI/I2C serial interfaces. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and peripheral subsystems on one die. PIC18F microcontrollers are 8-bit RISC-Harvard architecture devices in the broader PIC family, which sits hierarchically under microcontrollers -> embedded processors -> semiconductor devices. The K42 sub-family is the PIC18F24/25/45/46K42 line that introduces XLP (eXtreme Low Power) technology and Functional Safety (FuSa) diagnostics, positioning these parts at the high end of the 8-bit PIC portfolio. Key features include a 12-bit ADC with Computation (ADC2) that automates Capacitive Voltage Divider (CVD) sequences for advanced touch sensing, up to 256 bytes of EEPROM with high-endurance rating, hardware DMA that offloads data movement between peripherals and memory, and CLC blocks that let designers implement glue logic inside the MCU. The XLP idle/doze/sleep modes plus nanoWatt XLP peripherals enable typical sleep currents below 1 uA, which is essential for battery-powered nodes. Architecturally the device pairs a modified Harvard RISC core with a vectored interrupt controller (fixed-latency IVT) and a System Bus Arbiter that coordinates DMA, CPU, and CLC transactions without CPU intervention. The 64 MHz internal oscillator and PLL eliminate external crystals in most applications, while four 16-bit timers, two CCP modules, three ECCP modules (with PWM), and a CWG (Complementary Waveform Generator) provide flexible waveform synthesis for motor, lighting, and power-control loops. Typical applications include consumer appliances, IoT sensor nodes, touch-button human-machine interfaces, low-end motor control, LED lighting controllers, and functional-safety systems that benefit from the FuSa diagnostics. The combination of DMA + CLC + ADC2 allows a single 28-pin part to replace discrete logic and a small companion MCU in cost-sensitive designs. Design considerations: ensure the SSOP-28 land pattern follows IPC-7351 nominal density, place a 100 nF decoupling cap within 2 mm of each VDD pin, and reserve the MCLR pin through a 10 kohm pull-up for in-circuit serial programming (ICSP). The -I/SS variant operates from -40C to +85C; use the -E/SS extended grade for -40C to +125C automotive or industrial environments. This page synthesizes DigiKey and Mouser distributor pricing, verified drop-in alternatives from the PIC18FxxK40 and PIC18FxxK22 family, and practical design notes not found in the manufacturer datasheet.

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PIC18F25K42T-E/SSVAO

PIC18F25K42T-E/SSVAO - 32KB Flash 8-bit MCU, AEC-Q100 | Microchip

The Microchip Technology PIC18F25K42T-E/SSVAO is an 8-bit PIC18 microcontroller featuring 32KB of Flash program memory, 2KB of SRAM, and 256 bytes of EEPROM, housed in a 28-pin SSOP (5.30 mm / 0.209" width) package and qualified to the AEC-Q100 automotive standard. Operating from 2.3 V to 5.5 V supply and capable of executing instructions at up to 64 MHz, the part delivers roughly 16 MIPS while consuming only nanoWatt XLP sleep currents. It belongs to the PIC18(L)FxxK42 family of 28-/40-/48-pin low-power high-performance microcontrollers with XLP technology. An 8-bit microcontroller (MCU) is a single-chip computer built around a CPU with an 8-bit data path, on-chip Flash for program storage, RAM for variables, EEPROM for non-volatile data, and a rich peripheral set including timers, ADC, communication interfaces, and Core Independent Peripherals (CIPs). Within the broader taxonomy, the PIC18F25K42T-E/SSVAO belongs to: microcontroller -> embedded MCU -> PIC18 family -> PIC18 K-series -> PIC18(L)FxxK42 family -> 28-pin K42 sub-family -> automotive-grade (AEC-Q100) variants. This hierarchy is what distinguishes it from 16-bit dsPIC and 32-bit ARM Cortex-M competitors from other vendors. The key feature set includes a 12-bit differential ADC with Computation (ADC2), a 5-bit DAC, on-chip DMA, three analog comparators, a 16-bit PWM, four Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), CRC/Memory Scan, and Peripheral Pin Select (PPS) for flexible signal routing. CIPs let designers offload logic to hardware, reducing CPU wake events and extending battery life in always-on applications. On the architecture side, this MCU uses Microchip's enhanced mid-range 8-bit CPU core with a 16-bit instruction word and an 8-level hardware stack, paired with a Harvard bus that lets the CPU fetch from Flash while reading data from RAM. The XLP nanoWatt technology adds multiple idle/sleep modes and ultra-low-power peripherals such as RTCC, HLVD, and WWDT, enabling years of operation from a single coin cell when properly configured. Typical applications for the PIC18F25K42T-E/SSVAO span the automotive AEC-Q100 landscape: body controllers, sensor interfaces, LED lighting modules, HVAC actuators, BCM auxiliary functions, and LIN-connected nodes. Industrial and consumer variants in the same family address general-purpose motor control, IoT end nodes, and battery-powered sensing. When designing with this device, ensure proper decoupling (100 nF + bulk cap close to VDD/AVDD/VBAT) and configure unused pins as outputs low to minimize leakage. The PPS peripheral must be locked before entering sleep to avoid accidental peripheral remap after a watchdog reset. This page synthesizes distributor pricing, AEC-Q100 cross-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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Produtos (35.000+)

PIC18F25K22-I/SO - 8-Bit 64MHz 32KB Flash MCU | Microchip

PIC18F25K22-I/SP - 8-Bit 64MHz 32KB Flash MCU | Microchip

PIC18F25K22-I/SS - 8-bit 64MHz 32KB Flash MCU 28-SSOP | Microchip

PIC18F25K22T-I/ML - 8-bit 64MHz MCU, 32KB Flash, 28-QFN | Microchip

PIC18F25K40-E/ML - 32KB Flash 8-bit MCU QFN-28 | Microchip

PIC18F25K40-E/MV - 32KB Flash 8-bit MCU, 64MHz, 28-UQFN | Microchip

PIC18F25K40-E/SO - 8-Bit MCU, 32KB Flash, 28-Pin SOIC | Microchip

PIC18F25K40-E/SS - 32KB Flash 8-bit MCU, 64MHz, SSOP-28 | Microchip

PIC18F25K40-E/SSVAO - 32KB Flash, 8-bit MCU, AEC-Q100, 28-SSOP | Microchip

PIC18F25K40-I/SP - 8-bit 64MHz MCU, 32KB Flash, 28-SPDIP

PIC18F25K40-I/SS - 32KB Flash 8-bit MCU | Microchip | XLP

PIC18F25K40-I/SSVAO - 32KB Flash 8-bit MCU | Microchip Automotive

PIC18F25K40T-I/ML - 8-Bit 64MHz XLP MCU 32KB Flash | Microchip

PIC18F25K40T-I/SO - 32KB Flash 8-bit MCU, 28-SOIC | Microchip

PIC18F25K40T-I/SS - 8-bit 64MHz MCU 32KB Flash | Microchip

PIC18F25K42-E/ML - 8-Bit 64MHz 32KB Flash MCU | Microchip

PIC18F25K42-E/SO - 8-bit 64MHz 32KB Flash MCU | Microchip

PIC18F25K42-E/SP - 32KB Flash 8-bit MCU | 28-SPDIP | Microchip

PIC18F25K42-E/SS - 8-Bit 64MHz 32KB Flash MCU | Microchip

PIC18F25K42-I/MV - 8-Bit 64MHz XLP MCU 32KB Flash UQFN-28 | Microchip

PIC18F25K42-I/SO - 8-bit 64MHz 32KB Flash XLP MCU | Microchip

PIC18F25K42-I/SP - 32KB Flash 8-bit MCU 64MHz 28-SPDIP | Microchip

PIC18F25K42-I/SS - 8-bit 64MHz 32KB Flash MCU 28-SSOP | Microchip

PIC18F25K42T-E/SSVAO - 32KB Flash 8-bit MCU, AEC-Q100 | Microchip