Microcontroladores

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PIC18F25J50-I/SP - 8-bit 48MHz USB MCU 32KB Flash | Microchip
PIC18F25J50-I/SP

PIC18F25J50-I/SP - 8-bit 48MHz USB MCU 32KB Flash | Microchip

The Microchip Technology PIC18F25J50-I/SP is an 8-bit PIC18 microcontroller with integrated full-speed USB 2.0, 32KB of Flash program memory and 4KB of RAM, packaged in a 28-pin SPDIP (SP) through-hole form factor. It executes instructions at up to 48MHz (12 MIPS) and operates from a 2.0V to 3.6V supply, making it suited for cost-sensitive embedded designs requiring on-board USB connectivity. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and peripherals such as timers, ADCs, communication interfaces, and I/O. Within Microchip's taxonomy, the PIC18F25J50 belongs to the PIC18 J-series, a low-power, high-performance 8-bit family that bridges traditional PIC16 architectures with USB and nanoWatt XLP power-management features. The 8-bit PIC core executes one instruction per cycle (except branches), with the PIC18 instruction set adding a 16-bit instruction word and linear memory addressing for C-compiled firmware. Key features include a 10-bit ADC with up to 13 channels, two USART modules, two SPI/I2C MSSP peripherals, a full-speed USB 2.0 device/host/OTG controller, 25 digital I/O pins, four timers, and the nanoWatt XLP deep-sleep mode drawing currents in the nanoamp range. The internal 31kHz LFINTOSC, RTCC, and multiple clock sources allow firmware to throttle the core clock dynamically, while the on-chip 3.3V regulator simplifies single-supply designs. The integrated USB transceiver eliminates the external 1.5k pull-up and crystal typically required, reducing BOM cost. Typical applications span USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, low-cost data loggers, sensor front-ends with USB streaming, point-of-sale terminals, and battery-powered instruments exploiting the deep-sleep mode. The 28-pin SPDIP package eases prototyping on through-hole PCBs and breadboards while remaining production-ready for industrial and consumer products. When designing with this MCU, plan the PCB footprint around the 0.1-inch pin pitch of the SPDIP-28 package, leave the VUSB pin bypassed with a 1uF capacitor if used as a USB power source, and configure the config words to enable the internal regulator and correct clock source. Engineers should consult the Microchip datasheet for full DC characteristics, errata, and USB firmware stack recommendations. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC18 family, and practical design notes not aggregated on the manufacturer product page.

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PIC18F25J50T-I/SS - 8-bit USB MCU 32KB Flash 48MHz SSOP-28 | Microchip
PIC18F25J50T-I/SS

PIC18F25J50T-I/SS - 8-bit USB MCU 32KB Flash 48MHz SSOP-28 | Microchip

The Microchip Technology PIC18F25J50T-I/SS is a low-power, high-performance 8-bit PIC18J-series microcontroller with integrated full-speed USB 2.0, 32 KB of Flash program memory, 4 KB of RAM, and a 48 MHz internal oscillator, housed in a 28-pin SSOP (SS) package. The "T" suffix indicates Tape and Reel packaging, "I" denotes the -40C to +85C industrial temperature range, and it operates from 2.0 V to 3.6 V. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripherals such as timers, ADC, communication interfaces, and in this case a USB 2.0 Full-Speed transceiver. The PIC18F25J50 belongs to the PIC18 J-series, which is a low-power CMOS Flash MCU family within Microchip's broader 8-bit PIC taxonomy (PIC10/12/16/18). Its NanoWatt XLP technology adds Deep Sleep and other power-saving modes that drop current consumption to the nanoampere range, making it well-suited for USB-powered and battery-backed designs. Key features include 32 KB (16K x 16) self-programmable Flash, 4 KB RAM, a 10-bit ADC with up to 10 channels, 2 analog comparators, 2 UART/SPI/I2C peripherals, 2 CCP/ECCP modules, a 48 MHz internal oscillator, and an integrated full-speed USB 2.0 device/host/OTG transceiver. The Deep Sleep mode lowers quiescent current dramatically for sleep-dominated applications such as USB suspend, while nanoWatt XLP peripherals and the on-chip RTCC keep wake-up time short. The architecture is a RISC Harvard design with a modified 16-bit instruction word and 8-bit data path, supporting single-cycle instructions and hardware multiply, which delivers 16 MIPS peak throughput at 48 MHz. On-chip peripherals are mapped through Microchip's PMD (Peripheral Module Disable) registers, allowing unused blocks to be turned off for additional power savings. The integrated USB transceiver with on-chip pull-up resistors eliminates the external USB transceiver and pull-up that legacy designs required. Typical applications include USB HID peripherals, USB-to-UART bridge dongles, low-power data loggers, sensor hubs with USB connectivity, and consumer-electronics user interfaces. Its USB On-The-Go capability also enables point-to-point device-to-device links without a host PC, useful for field service tools and embedded diagnostics. When designing with this device, ensure the regulated 3.3 V supply falls within the 2.0-3.6 V operating range and place the decoupling capacitor network close to the VDD/VSS pins as recommended in the datasheet. For low-power sleep, verify that all wake sources are correctly configured and that unused I/O pins are set as outputs to minimize leakage. This page synthesizes distributor pricing for the PIC18F25J50T-I/SS, same-family drop-in alternatives in the same 28-SSOP footprint, and practical design notes not found in the manufacturer datasheet, giving engineers a complete sourcing and design reference.

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PIC18F25K20-E/ML - 32KB Flash, 48MHz 8-bit MCU | Microchip
PIC18F25K20-E/ML

PIC18F25K20-E/ML - 32KB Flash, 48MHz 8-bit MCU | Microchip

The Microchip Technology PIC18F25K20-E/ML is an 8-bit PIC18 microcontroller with 32KB Flash, 1536B RAM, 256B EEPROM, and 25 digital I/O pins, packaged in a 28-pin QFN (6x6 mm) with exposed pad. It runs up to 48MHz (12 MIPS) from a 1.8V to 3.6V supply and integrates a 10-bit ADC, multiple timers, and nanoWatt XLP extreme-low-power technology for battery-driven designs. The '/E' suffix denotes the extended -40C to +125C operating temperature range, and '/ML' is the QFN-28 package code. A PIC18 microcontroller is a Harvard-architecture 8-bit RISC MCU from Microchip's PIC18 family, positioned above PIC10/12/16 in flash and peripheral count while below PIC24/dsPIC in core width. PIC18 devices combine a 16-bit instruction word (improved code density over PIC16) with a rich peripheral set - ADC, PWM, comparators, EUSART, SPI, I2C, USB (in some variants) - and inherit MPLAB X IDE and XC8 compiler support, making them a workhorse for industrial control, sensor hubs, and consumer appliances. Key features of the PIC18F25K20 include 32KB self-programmable Flash, 1536B SRAM, 256B EEPROM, 10-bit ADC with up to 11 channels, two CCP/ECCP modules for PWM, an EUSART, MSSP for SPI/I2C, a 64MHz internal oscillator, nanoWatt XLP modes (sleep current ~100 nA typical), and an ICD-friendly ICSP interface. The QFN-28 (6x6) package exposes an EP pad that must be soldered to the PCB ground pour for thermal dissipation and electrical reference. Internally the PIC18F25K20 uses Microchip's enhanced PIC18 core with an 8-bit ALU, 31-level hardware stack, and a 16-bit wide program memory bus. The 10-bit ADC is successive-approximation with acquisition time programmable up to several microseconds, suitable for sensor front-ends up to ~100 kS/s aggregate. The nanoWat XLP technology supports RTCC, deep sleep, and ultra-low-power wake-on-change for coin-cell applications. Typical applications include battery-powered sensor nodes, HVAC controllers, white-goods user interfaces, low-cost USB-to-UART bridges (companion of the PIC18F25K20 USB variant family), and industrial metering. The wide 1.8-3.6V supply range and low sleep current make it well suited to 2xAA/coin-cell designs. When designing with the PIC18F25K20-E/ML, ensure the exposed pad (EP) is soldered to a continuous ground plane for thermal performance. Decouple VDD with a 100nF ceramic plus 1-10uF bulk capacitor within 3mm of the pins, and keep analog and digital grounds connected only at the EP to avoid ground-loop noise coupling into the ADC. This page consolidates distributor pricing, parametric alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the PIC18F25K20-E/ML for both new designs and legacy PIC18 drop-in migrations.

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PIC18F25K20-E/SO - 8-Bit 48MHz 32KB Flash MCU | Microchip
PIC18F25K20-E/SO

PIC18F25K20-E/SO - 8-Bit 48MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25K20-E/SO is an 8-bit PIC18 XLP nanoWatt flash microcontroller running at 48 MHz with 32 KB of program memory, 1536 B of RAM, and 256 B of EEPROM in a 28-pin SOIC package. It delivers up to 16 MIPS throughput using the enhanced PIC18 RISC architecture with 200 ns instruction execution, and operates from 1.8 V to 5.5 V with nanoWatt XLP extreme-low-power technology for battery-friendly designs. The device integrates a 10-bit ADC, multiple timers, EUSART, MSSP (SPI/I2C), and 25 digital I/O pins. A PIC18 XLP (eXtreme Low Power) microcontroller is an 8-bit CMOS flash MCU from Microchip's PIC18 family, which sits within the broader category of microcontrollers, then ICs, then semiconductors. XLP technology adds deep-sleep and sleep current modes in the nanoampere range, allowing battery-powered products to extend operating life by orders of magnitude over conventional 8-bit MCUs. The PIC18F25K20-E/SO sits in the high-performance branch of this family, with 32 KB of self-programmable flash, ample RAM for protocol stacks, and rich analog/peripheral integration. Key features include 32 KB flash, 1536 B RAM, 256 B EEPROM, a 10-bit A/D converter with up to 14 channels, two analog comparators, four timers (Timer0/Timer1/Timer2/Timer3), enhanced CCP, EUSART with auto-baud, MSSP for SPI/I2C master-slave operation, and 25 I/O capable of sourcing/sinking 25 mA per pin. The 'E' suffix indicates the extended (-40C to +125C) operating temperature grade required for industrial and automotive-grade end equipment. Typical applications include industrial sensor interfaces, USB/serial bridging nodes (with external transceiver), home-automation controllers, low-power wireless sensor endpoints, white-goods and HVAC control panels, and consumer appliance user interfaces. The 25 I/O and 10-bit ADC suit systems that read multiple analog sensors while driving relays, keypads, or LED matrices. When designing with this part, place a 0.1 uF decoupling capacitor close to VDD/VSS and consider the in-circuit serial programming (ICSP) header layout for production programming. For very low-power designs, use the nanoWatt XLP sleep modes and gate unused peripherals before entering deep sleep. This page synthesizes distributor pricing, pin-compatible PIC18F family alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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PIC18F25K20-E/SP - 8-bit 48MHz 32KB Flash MCU | Microchip
PIC18F25K20-E/SP

PIC18F25K20-E/SP - 8-bit 48MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25K20-E/SP is an 8-bit PIC18 microcontroller running at up to 48 MHz delivering 16 MIPS, integrating 32 KB of Flash program memory, 1536 bytes of RAM and 256 bytes of EEPROM, and packaged in a 28-pin SPDIP (0.300", 7.62 mm body). The "E" temperature suffix extends the operating range from -40°C to +125°C, making this part suitable for industrial and harsh-environment designs while the /SP package code identifies the 28-pin Skinny Plastic DIP tube format. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, EEPROM, peripherals and I/O into one package. The PIC18F25K20 belongs to the 8-bit RISC PIC18 family within Microchip's nanoWatt XLP extreme-low-power portfolio, sitting in the broader hierarchy: PIC microcontroller -> Microchip 8-bit MCU -> Microcontroller -> Embedded Processor IC -> Semiconductor. The XLP designation indicates sub-µA sleep currents and multiple power-managed modes, enabling battery-powered designs that survive years on a single cell. Key features include a 10-bit ADC with up to 14 input channels, two 8-bit timers plus three 16-bit timers, two capture/compare/PWM modules, an enhanced CCP, an 8-bit parallel master port, an MSSP module supporting SPI and I²C (including master I²C), an enhanced USART with auto-baud detect, two analog comparators, an internal 16 MHz oscillator with PLL, and 25 digital I/O pins. nanoWatt XLP technology keeps typical sleep current below 100 nA with retention and below 100 nA in real-time-clock mode from a 3V supply. Architecturally, the PIC18F25K20 uses a 16-bit instruction word, eight-level hardware stack and 32 interrupt sources. The CPU is built on an enhanced Harvard architecture with separate program and data buses, providing deterministic interrupt latency. The 10-bit ADC delivers up to 30 ksps and can reference VDD or an external pin, and the internal 16 MHz oscillator with 4x PLL generates the 64 MHz system clock while remaining tolerant of ±2% accuracy across temperature. Typical applications include industrial sensor nodes, low-power remote controls, battery-powered instrumentation, smart metering, HVAC controls, automotive body modules (non-safety) and white-goods user interfaces. The wide operating voltage of 1.8V to 5.5V and extended temperature range make it a flexible drop-in choice for cost-sensitive embedded products. When designing with the PIC18F25K20-E/SP, place a 100 nF decoupling capacitor adjacent to every VDD/AVDD pin, keep analog and digital ground returns separated, and follow Microchip's AN585 and TB077 guidelines for in-circuit serial programming and ICSP layout. Use MPLAB X IDE with the XC8 compiler for code development. This page synthesizes distributor stock, pricing tier, 5-8 drop-in SPDIP alternatives, and application guidance not found in any single manufacturer document, giving procurement and firmware engineers a single decision-ready reference.

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PIC18F25K20-E/SS - 8-bit 48MHz 32KB Flash MCU | Microchip
PIC18F25K20-E/SS

PIC18F25K20-E/SS - 8-bit 48MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25K20-E/SS is an 8-bit PIC microcontroller with 48MHz CPU speed, 32KB (16K x 16) Flash program memory and 1.5KB SRAM, packaged in a 28-pin SSOP (5.30mm body width). It belongs to the PIC18F2XK20/4XK20 family and features nanoWatt XLP extreme-low-power technology for battery-friendly designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and programmable peripherals on one die. Within the broader semiconductor taxonomy, microcontrollers sit under microcontrollers -> embedded processors -> logic ICs -> integrated circuits. The PIC18 family uses a RISC-based 8-bit core optimized for deterministic execution, low power, and easy C/assembly development with Microchip's MPLAB X IDE and XC8 compiler. Key features of the PIC18F25K20 include 25 I/O pins, a 10-bit ADC, on-chip EEPROM (256 bytes), PWM modules, multiple communication peripherals (UART, SPI, I2C), and four timer modules. The XLP nanoWatt technology typically delivers sub-uA sleep currents, enabling coin-cell battery lifetimes measured in years. The 48MHz internal oscillator and 64MHz performance (when using PLL) deliver up to 16 MIPS throughput, sufficient for sensor fusion, simple motor control, and human-interface applications. Technically, the PIC18F25K20-E/SS operates from 1.8V to 3.6V (extended temp variant 'E'), includes 256 bytes of data EEPROM for non-volatile parameter storage, and uses Microchip's ICD/ICSP debug interface. The 28-SSOP package supports hand-soldering and standard 0.65mm-pitch PCB layouts. Hardware multipliers, nested interrupts, and 31-level stack are standard PIC18 features used here. Typical applications include battery-powered sensor nodes, low-energy IoT edge devices, consumer remote controls, HVAC sensor interfaces, educational development kits, and industrial telemetry modules. The combination of XLP low-power modes, 10-bit ADC, and ample Flash makes it a strong fit for energy-harvesting applications where every microamp counts. Designers should plan around the 28-SSOP footprint, decoupling strategy (100nF close to VDD + bulk), and use MPLAB X with XC8 for firmware. The ICSP pins (PGD/PGC) must remain accessible for in-circuit programming and debug; tying them to PORTB pins requires care so that pull-ups do not interfere with programming. This page synthesizes distributor pricing, drop-in alternatives within the PIC18F2XK20 family and across brands, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F25K20-I/SO - 8-bit 64MHz 32KB Flash MCU 28-SOIC | Microchip
PIC18F25K20-I/SO

PIC18F25K20-I/SO - 8-bit 64MHz 32KB Flash MCU 28-SOIC | Microchip

The Microchip Technology PIC18F25K20-I/SO is an 8-bit PIC® microcontroller from the PIC18 XLP family, delivering 64 MHz (16 MIPS) performance from 32 KB of on-chip Flash program memory and 1536 bytes of SRAM. The /SO suffix denotes a 28-pin SOIC (300 mil) industrial-temperature package (-40°C to +85°C). It features 25 digital I/O pins, a 10-bit ADC with up to 11 input channels, enhanced PWM, CCP and ECCP modules, two comparators, MSSP (SPI/I2C) and EUSART peripherals, plus nanoWatt XLP extreme-low-power technology for battery-friendly designs. What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small computer on a single integrated circuit that processes data in 8-bit chunks, integrating a CPU, RAM, non-volatile program memory (Flash), and peripherals such as ADC, timers, and communication interfaces. Within the broader semiconductor taxonomy, 8-bit MCUs sit beneath microcontrollers and digital ICs, and remain the lowest-cost choice for deterministic, low-power embedded control. The PIC18F25K20 belongs to Microchip's PIC18 XLP family, a family that pairs a RISC core with nanoWatt XLP power management to deliver long battery life in always-on applications. Key features include 64 MHz operation yielding 16 MIPS throughput, 32 KB self-programmable Flash, 1536 bytes SRAM, 256 bytes EEPROM, 25 digital I/O, a 10-bit ADC with up to 11 channels, two analog comparators, two 8-bit timers and three 16-bit timers, MSSP (SPI/I2C), enhanced USART, two capture/compare/PWM modules plus one enhanced CCP, and nanoWatt XLP technology offering sub-µA sleep currents. The wide 1.8 V to 3.6 V core voltage range (verified by the 4.2 V to 5.5 V datasheet VDD range for this variant) plus nanoWatt modes enables coin-cell and energy-harvesting designs. The architecture uses an enhanced PIC18 Harvard RISC core with a hardware multiplier, 31-level stack, and C-friendly instruction set, allowing developers to program in C18/XC8 with predictable interrupt response. On-chip debug via ICSP and ICD support simplifies in-circuit emulation for prototype development. Typical applications include industrial sensor nodes, low-power remote controls, battery-powered instrumentation, HVAC controllers, automotive body modules, and consumer appliances. The SOIC-28 footprint gives generous PCB escape room compared with QFN alternatives, simplifying hand-soldering and rework in low-volume builds. A primary design consideration is that the PIC18F25K20 operates from 1.8 V to 3.6 V core logic and the -I version supports the industrial -40°C to +85°C range; if your rail is 5 V you need a different PIC18 K-series variant. Use an external supervisor/reset IC for noisy industrial environments, and add 100 nF + 10 µF decoupling close to VDD/AVDD/VSS/AVSS pairs. This page consolidates distributor pricing, parametric cross-references, drop-in alternatives, and practical PCB design notes that go beyond the manufacturer datasheet, helping engineers select, source, and lay out the PIC18F25K20-I/SO with confidence.

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PIC18F25K20-I/SP - 8-bit 64MHz 32KB Flash MCU | Microchip
PIC18F25K20-I/SP

PIC18F25K20-I/SP - 8-bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25K20-I/SP is an 8-bit PIC microcontroller from the PIC18F "K" series with nanoWatt XLP extreme-low-power technology, delivering up to 64 MHz (16 MIPS) CPU performance with 32 KB of Flash program memory and 1.5 KB of RAM. The "-I/SP" suffix indicates the industrial temperature grade (-40C to +85C) and a 28-pin SPDIP through-hole package, which remains popular for hobbyist, educational, and legacy industrial designs. An 8-bit PIC microcontroller (MCU) is a single-chip computer built on Microchip's enhanced PIC18 RISC architecture, integrating a CPU, Flash program memory, SRAM, EEPROM, and a rich set of peripherals (ADC, comparators, PWM, timers, UART, SPI, I2C) on one piece of silicon. PIC18F MCUs sit between the smaller PIC16F family and the 16-bit dsPIC/PIC24 families in Microchip's portfolio, targeting general-purpose embedded control in industrial, automotive aftermarket, appliance, and consumer products. Within the PIC18F "K" sub-family, the "K" suffix denotes the nanoWatt XLP generation, which uses Dynamic Power Switching, ultra-low-power Sleep, and oscillator management to reach sub-uA standby currents for battery-powered applications. Key features include 25 I/O pins (three 8-bit I/O ports with individual weak pull-ups), an internal 16 MHz/64 MHz HFINTOSC selectable via software, an internal 31 kHz LF oscillator for low-power Sleep, two 8-bit timers plus three 16-bit timers, two analog comparators, an Enhanced Capture/Compare/PWM (ECCP) module, a 10-bit ADC with up to 11 input channels, four hardware USART/AEC modules (LIN-capable), and Master I2C/SPI. Optional features available on related parts include mTouch capacitive touch, a 4x PLL, and an RTCC with calendar/alarm - engineering manuals should be cross-checked against the device's silicon revision. Architecturally, the PIC18F25K20 employs an 8-bit Harvard bus, 16-bit-wide instructions, and an 8-level hardware stack. Code is executed from Flash through a 31-level deep instruction queue, and self-programmability is supported via ICSP. The Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) supports RS-232, RS-485, and LIN master/slave modes; the MSSP peripheral supports both SPI and I2C (master/slave with 7-bit/10-bit addressing). Cycle-accurate instruction execution makes deterministic interrupt and timing behavior predictable for control loops. Typical applications include industrial sensor conditioning and serial-sensor hubs, low-power remote controls (where XLP sleep current of ~100 nA matters), automotive aftermarket accessories running from 12 V (subject to input-voltage design), small appliances, educational boards (Arduino-style replacements), RS-485 / LIN slave nodes, and battery-powered instruments where quiescent current dominates. The 28-pin SPDIP form factor is especially convenient for through-hole prototyping and for field-replaceable modules. When designing with this MCU, ensure the oscillator configuration bits are chosen to match the system clock (HFINTOSC for low-power, external crystal for clock-accurate serial work). Decoupling must include a 100 nF low-ESL cap on each VDD/AVDD pin pair, separated from a single bulk 10 uF. Programming is supported by MPLAB X IDE + PICkit 5 / MPLAB Snap / ICD 4 over ICSP. Compared with PIC18F25K22 silicon, the K20 lacks the RTCC and richer touch peripherals - pick K22 if RTC/touch is required, otherwise the K20's SPDIP-28 footprint and identical memory map keep drop-in compatibility straightforward. This page synthesizes distributor pricing snapshots, drop-in same-package alternatives, and practical layout notes not found in the manufacturer datasheet alone - useful as a quick reference during sourcing and BOM review.

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PIC18F25K20-I/SS - 32KB Flash 8-bit MCU, 64MHz XLP | Microchip
PIC18F25K20-I/SS

PIC18F25K20-I/SS - 32KB Flash 8-bit MCU, 64MHz XLP | Microchip

The Microchip Technology PIC18F25K20-I/SS is a high-performance 8-bit PIC18 microcontroller delivering up to 16 MIPS at 64 MHz, with 32 KB of Flash program memory, 1536 bytes of SRAM, and 256 bytes of EEPROM, housed in a 28-pin SSOP package. The device integrates nanoWatt XLP extreme-low-power technology, an enhanced 16-bit instruction set, and a 10-bit ADC with up to 14 channels, providing a flexible platform for general-purpose embedded designs. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory, working RAM, and a rich set of on-chip peripherals such as timers, ADC/DAC, communication interfaces (UART, SPI, I2C), and general-purpose I/O. PIC microcontrollers use a RISC-based Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and operand access, and the 8-bit PIC18 family extends the classic PIC core with 16-bit instructions, linear memory addressing, and a C-optimized instruction set that simplifies firmware portability. Key features of the PIC18F25K20 include 25 general-purpose I/O pins, one 8-bit and three 16-bit timers, two comparators, a Capture/Compare/PWM (ECCP) module, an enhanced USART, MSSP (SPI/I2C), 10-bit ADC with 14 channels, and on-chip nonvolatile data EEPROM. The wide 1.8 V to 3.6 V supply range, four oscillator modes (including a 64 MHz internal PLL block), and nanoWatt XLP sleep currents below 100 nA make it ideal for both line-powered and battery-operated designs. The architecture couples a deterministic 200 ns instruction cycle with hardware multiplier support, enabling real-time control loops in motor, sensor, and lighting applications. Compared with ATmega-class devices, the PIC18F25K20 offers a smaller footprint, deeper sleep modes, and direct EEPROM write support that simplifies parameter storage in field-deployed nodes. Typical applications include consumer appliances, low-power remote sensors, IoT edge nodes, USB HID/CDC peripherals, motor-control subsystems, and industrial metering. Its combination of EEPROM, 10-bit ADC, and CCP/PWM also suits HVAC thermostats, LED drivers, and small appliance controllers where a single-chip solution replaces multiple analog components. When designing with the PIC18F25K20, place a 100 nF decoupling capacitor within 3 mm of each VDD/VSS pair and add a 10 µF bulk capacitor at the regulator output. Program the CONFIG register correctly (oscillator, watchdog, brown-out and low-voltage-programming bits) before locking the code-protect fuses, because an unintended PLL setting can push the core above 64 MHz and brick the device. This page consolidates distributor pricing, drop-in alternatives, comparison parameters, and practical design guidance not found in the standalone manufacturer datasheet, helping engineers shorten selection and qualification cycles.

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PIC18F25K20T-I/ML - 8-bit MCU, 32KB Flash, 64MHz, QFN-28
PIC18F25K20T-I/ML

PIC18F25K20T-I/ML - 8-bit MCU, 32KB Flash, 64MHz, QFN-28

The Microchip Technology PIC18F25K20T-I/ML is an 8-bit PIC18 enhanced Flash microcontroller delivering 64 MHz (16 MIPS) performance from a 32 KB (16K x 16) program memory, packed in a 28-pin QFN (6x6 mm) package. Operating from 1.8 V to 5.5 V with nanoWatt XLP extreme low-power technology, it includes 1536 bytes of SRAM, 256 bytes of EEPROM, and 25 digital I/O pins. The integrated 10-bit ADC, multiple timers, and enhanced CCP modules make it suitable for mixed-signal embedded control. A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash/ROM), data memory (RAM), and peripherals such as ADC, timers, and communication interfaces. The PIC18F25K20 belongs to the 8-bit PIC18 family, which sits within Microchip's PIC microcontroller hierarchy (8-bit PIC -> microcontroller -> embedded processor -> semiconductor). It executes instructions in a Harvard architecture with separate program and data buses, achieving 200 ns instruction cycles at 64 MHz. This places the PIC18F family above the older PIC16 family but below the 16-bit dsPIC and 32-bit PIC32 families in computational capability. Key features include nanoWatt XLP power management with sub-uA sleep currents, an internal 16 MHz oscillator (calibrated to +/- 1%), a 10-bit ADC with up to 14 channels, two analog comparators, two capture/compare/PWM modules, and four timer modules. The device also supports MSSP (SPI/I2C), enhanced USART, and a 14-channel hardware mTouch capacitive sensing module. The PIC18F25K20 uses an enhanced RISC architecture with 75 instructions and 8x8 hardware multiply, enabling efficient C code generation. Peripheral pin select is not available on this part (fixed pin assignments), but software flexible peripherals such as PPS alternatives exist in newer PIC18F devices. Self-programmability supports in-application firmware updates. Typical applications include industrial sensor interfaces, home appliance control, automotive body modules, low-power remote sensors, and consumer electronics. Designers select this part when they need eXtreme Low Power (XLP) consumption, robust peripherals, and Microchip's mature toolchain (MPLAB X, XC8 compiler, PICkit debugger). When designing, ensure the supply decoupling is robust: place 100 nF ceramic capacitors close to VDD/AVDD and VSS/AVSS pins, and consider a 10 uF bulk capacitor at the regulator output. For battery-powered designs, leverage nanoWatt XLP sleep modes with peripheral disable to achieve sub-1 uA quiescent current. This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the standalone datasheet.

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PIC18F25K20T-I/SO - 8-bit 64MHz 32KB Flash MCU | Microchip
PIC18F25K20T-I/SO

PIC18F25K20T-I/SO - 8-bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25K20T-I/SO is an 8-bit PIC18 microcontroller from the nanoWatt XLP eXtreme Low Power family, delivering 64 MHz (16 MIPS) CPU performance with 32 KB of Flash program memory, 1536 bytes of SRAM and 256 bytes of EEPROM in a 28-pin SOIC wide-body package on Tape & Reel. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working RAM, peripherals and I/O into one IC, enabling standalone embedded control. The PIC18F25K20 specifically belongs to the PIC18 advanced 8-bit family with enhanced instruction set, hardware multiplier and nanoWatt XLP technology that drops standby current below 100 nA in sleep mode, fitting the hierarchy MCU -> 8-bit MCU -> PIC18 -> nanoWatt XLP family -> power-sensitive embedded controller. Key features include 25 general-purpose I/O pins, a 10-bit ADC with up to 14 channels, multiple serial interfaces (EUSART, MSSP for SPI/I2C), Capture/Compare/PWM modules, and a wide operating voltage range of 1.8 V to 3.6 V. The device supports industrial -40 C to +85 C operation with self-programming Flash and an on-chip ICD debugger interface for in-circuit development. The PIC18F25K20 uses a Harvard architecture with a 16-bit instruction word and an 8-bit data path, allowing single-cycle 200 ns execution. Its nanoWatt XLP modes (Run, Idle, Sleep and deep Sleep with RTCC) target battery-powered designs where quiescent draw dominates lifetime. Typical applications include battery-powered sensor nodes, USB HID peripherals, white-goods and HVAC control, industrial automation nodes, and low-power IoT edge devices. Engineers select it when code density, deterministic timing and ultra-low sleep current matter more than raw CPU throughput. Design trade-off: the PIC18F25K20 has no integrated USB transceiver, so USB designs need an external PHY or use the PIC18F25K22 variant. Always derate clock frequency at 3.0 V VDD; below 2.5 V the maximum FOSC drops to about 40 MHz. This page synthesizes distributor pricing, XLP drop-in alternatives in the same SOIC-28 footprint, and practical design notes not collected in a single place in the manufacturer datasheet.

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PIC18F25K20T-I/SS - 32KB Flash 8-bit MCU 64MHz SSOP-28 | Microchip
PIC18F25K20T-I/SS

PIC18F25K20T-I/SS - 32KB Flash 8-bit MCU 64MHz SSOP-28 | Microchip

The Microchip Technology PIC18F25K20T-I/SS is an 8-bit PIC18 RISC microcontroller featuring 32KB of Flash program memory, 1536 bytes of SRAM, and 256 bytes of EEPROM, housed in a 28-pin SSOP (5.30 mm) package. It operates at up to 64 MHz internal clock (16 MIPS instruction throughput), supports 1.8V to 5.5V wide-voltage operation, and exposes 25 general-purpose I/O pins across multiple ports for peripheral expansion. The device integrates a 10-bit ADC with up to 14 channels, a comparator module, PWM, timers, EUSART, MSSP (SPI/I2C), and the nanoWatt XLP extreme-low-power sleep mode for battery-driven designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals onto one die. The PIC18 family uses a RISC (Reduced Instruction Set Computer) Harvard architecture with separate program and data buses, optimized for deterministic real-time control in embedded applications. Low-power variants such as the PIC18F25K20 series pair small-footprint RISC cores with rich analog peripherals, targeting consumer, industrial and battery-backed applications where low standby current matters as much as MIPS performance. Key features of the PIC18F25K20T-I/SS include nanoWatt XLP technology with typical sleep currents under 100 nA, an integrated 16 MHz internal oscillator selectable to 64 MHz via 4x PLL, and a robust peripheral set covering EUSART, MSSP (SPI/I2C), 10-bit ADC, ECCP and PWM modules, and the standard PIC18 interrupt controller. The wide 1.8-5.5V operating range allows direct Li-ion or 3.3V/5V system deployment. The 28-pin SSOP footprint exposes 25 I/Os through PORTA-PORTC, supporting in-circuit debugging via ICSP and program memory retention down to 1.8V. The architecture targets deterministic control loops in hobbyist, consumer, and industrial nodes; code written for PIC18F25K20 is portable across the entire K20 family via the standard PIC18 instruction set and SFR layout published by Microchip. Typical applications include consumer appliances and home automation nodes, low-power sensor nodes, industrial control and HMI front ends, and USB-/serial-bridge peripherals. Use cases benefit from the eXtreme Low Power (XLP) sleep modes which extend battery life in always-on nodes. NanoWatt XLP technology also enables wake-on-interrupt scenarios where cycle life of a coin-cell supply matters. When designing with this part, note the T-suffix indicates tape-and-reel packaging and the I-suffix denotes the industrial -40C to +85C temperature range. The /SS suffix denotes the SSOP-28 package. Ensure MPLAB X IDE is selected with the XC8 compiler for code development. Existing PIC18F25K20 firmware is source-compatible with PIC18F45K20 / PIC18F65K20 and other 25/45/65-K20 variants in the same family.

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PIC18F25K22-E/ML - 32KB Flash 8-Bit MCU, 28-QFN | Microchip
PIC18F25K22-E/ML

PIC18F25K22-E/ML - 32KB Flash 8-Bit MCU, 28-QFN | Microchip

The Microchip Technology PIC18F25K22-E/ML is a 28-pin, 8-bit PIC microcontroller in a 6x6 mm QFN package with exposed thermal pad, featuring 32 KB of Flash program memory, 1.5 KB of data EEPROM, and 1.5 KB of SRAM. It runs up to 20 MHz at 5 V (64 MHz internal oscillator) with nanoWatt XLP extreme-low-power technology, supports an operating voltage range of 1.8 V to 5.5 V, and provides 25 general-purpose I/O pins. The 'E' suffix indicates the extended industrial temperature grade of -40 °C to +125 °C. A PIC18 microcontroller is a member of Microchip's 8-bit PIC (Peripheral Interface Controller) family, which uses a modified Harvard RISC architecture. Within the broader taxonomy, it sits under: microcontroller -> MCU -> embedded controller -> semiconductor. The PIC18F2X/4XK22 sub-family introduced nanoWatt XLP technology, peripheral enhancements, and design improvements that make these devices logical choices for many high-performance and power-sensitive applications where extended battery life and rich peripheral integration matter. Key features include 12-bit ADC with up to 17 channels, multiple communication interfaces (two MSSP for I2C/SPI, two enhanced USART with LIN support), up to four 16-bit timers, two comparators, and a charge time measurement unit (CTMU) for capacitive touch sensing. The CTMU enables cost-effective mTouch capacitive touch interfaces without external analog components, and the PMP (Parallel Master Port) supports direct connection to graphical LCDs or external memory. The PIC18F25K22 uses a 16-bit instruction word with a 8-bit data path, delivering C-compiler-friendly code density and deterministic interrupt latency. Internal oscillator calibration and fail-safe clock monitor improve robustness in electrically noisy environments, while wide operating voltage and rich peripheral set reduce BOM cost. Typical applications include low-power IoT edge nodes, industrial sensor interfaces, automotive body and HVAC modules (AEC-Q100 grade 1), capacitive touch user interfaces, portable medical and consumer devices, and USB-less embedded control requiring long battery life. The wide voltage range and flexible peripherals also suit battery chargers, smart meters, and home appliances. When designing with this device, place the decoupling capacitor as close to VDD as possible, leave the exposed pad (EP) soldered to a continuous ground plane for thermal dissipation, and configure unused I/O as outputs to minimize current draw. For low-power designs, leverage the multiple idle/sleep modes and the RTCC with calendar functionality. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - giving engineers an at-a-glance comparison for sourcing, redesign, and validation.

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PIC18F25K22-E/SO - 8-bit MCU, 32KB Flash, 28-SOIC | Microchip
PIC18F25K22-E/SO

PIC18F25K22-E/SO - 8-bit MCU, 32KB Flash, 28-SOIC | Microchip

The Microchip Technology PIC18F25K22-E/SO is an 8-bit PIC microcontroller from the PIC18F K-series family, featuring 32KB of Flash program memory, 1536 bytes of SRAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC (SO) package. It operates up to 20 MIPS at 64 MHz CPU clock (from a 16 MHz internal oscillator or external clock) and supports a 4.2V to 5.5V supply voltage in the extended (E) -40C to +125C temperature grade. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data memory, and peripherals on one silicon die. MCUs sit in the embedded systems hierarchy below microprocessors and are the workhorse of low-power, deterministic control applications where a full operating system is unnecessary. The PIC18F family extends the legacy PIC16 architecture with a 16-bit program word, linear memory map, hardware multiplier, and C-friendly instruction set, while staying within the 8-bit data path for cost and code-density efficiency. Key features of the PIC18F25K22 include nanoWatt XLP extreme-low-power technology (typical sleep currents under 100 nA with retention), 25 digital I/O pins, two Enhanced USART modules, two MSSP (I2C/SPI) modules, a 12-channel 10-bit ADC with automatic acquisition, three ECCP + one CCP compare/PWM modules, and a hardware RTCC with timestamps. The integrated 16 MHz HFINTOSC is factory calibrated to +/- 2% across voltage and temperature. The architecture uses a Harvard RISC core with 49 instructions and a hardware multiply unit, supporting a C-optimized compiler (XC8) and free MPLAB X IDE. Peripheral Pin Select (PPS) remaps digital peripherals to any I/O, simplifying PCB layout. The device includes a CTMU module for capacitive touch sensing and mTouch proximity detection. Typical applications include low-power industrial sensor nodes, home-automation white-goods control boards, USB HID human-interface devices (with the internal USB-less variant), battery-powered metering, and automotive interior modules (with the I-grade part). The E (extended) temperature grade makes the PIC18F25K22-E/SO well suited to under-hood and outdoor industrial deployments. When designing, prioritize the E/SO variant only when the -40C to +125C industrial range is required - the I/SO variant (PIC18F25K22-I/SO) costs less and covers -40C to +85C commercial/industrial. Also, plan the PCB layout for a 28-SOIC with the standard 1.27 mm pitch. This page synthesizes distributor pricing, drop-in SOIC alternatives, and practical design notes that complement - but do not replace - the Microchip datasheet PDF.

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PIC18F25K22-E/SP - 8-bit 48MHz 32KB Flash XLP MCU | Microchip
PIC18F25K22-E/SP

PIC18F25K22-E/SP - 8-bit 48MHz 32KB Flash XLP MCU | Microchip

The Microchip PIC18F25K22-E/SP is an 8-bit PIC18F microcontroller from the nanoWatt XLP family, delivering up to 48 MHz CPU performance, 32 KB Flash program memory and 1536 bytes of SRAM in a 28-pin SPDIP through-hole package. The device operates from 1.8 V to 5.5 V (F-variant core range with extended -40C to +125C industrial/automotive-grade E temperature range), integrating 25 general-purpose I/O pins and a rich peripheral set including two Enhanced USART modules, two MSSP (SPI/I2C) ports, two CCP/ECCP modules, a 12-bit ADC with up to 19 channels, and nanoWatt XLP ultra-low-power technology. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, and programmable peripherals on one silicon die. Within the broader taxonomy of semiconductors, MCUs sit below microprocessors (which require external memory) and above basic logic ICs. The PIC18F family specifically represents Microchip's enhanced 8-bit architecture with 16-bit instructions, hardware multiply, and C-friendly Harvard memory layout, bridging classical 8-bit simplicity with modern peripheral integration. Key features of the PIC18F25K22 family include: 32 KB self-programmable Flash with 1 KB EEPROM data storage, an internal 16 MHz oscillator (configurable via PLL up to 64 MHz), 10-bit and 12-bit ADC modules, up to five timer modules, and CTMU support for capacitive touch sensing. The XLP nanoWatt technology typically enables sleep currents below 50 nA, making the part suitable for battery-powered sensor nodes and remote controls. The on-chip ICSP (In-Circuit Serial Programming) and ICD (In-Circuit Debug) interfaces allow production programming and field firmware upgrades without external bootloaders. The PIC18F25K22 is the lower-pin-count variant of the 28/40/44-pin PIC18F K22 family; it shares its register set and peripheral IP with PIC18F23K22 (28-pin, 8 KB Flash) and PIC18F46K22 (40/44-pin, 32 KB/64 KB Flash variants). This shared silicon platform simplifies firmware migration between packages and pin counts. Compared to older PIC18F45K20 devices, the K22 generation adds 12-bit ADC, CTMU, and improved low-power sleep modes. Typical applications include industrial sensor interfaces, HVAC controls, low-power IoT edge nodes, USB-to-UART bridges (when paired with PIC18F25K50 for USB), home appliance control boards, and automotive body modules. The 28-pin SPDIP package makes the part ideal for prototyping, breadboard work, and educational use where a DIP form factor is preferred over surface-mount variants. The development ecosystem includes MPLAB X IDE, MPLAB XC8 compiler, and the MPLAB Snap/PICkit programmers. When designing with this device, allocate the ICSP/PGD/PGC pins carefully to avoid conflicting with user I/O. Place a 100 nF decoupling capacitor as close as possible to each VDD pin, and a bulk 10 uF capacitor on the supply rail. The -E/SP temperature grade denotes -40C to +125C operation; for commercial-temperature applications the -I/SP variant may be substituted at lower cost with identical pinout. This page synthesizes real-time distributor pricing, verified drop-in alternatives within the same 28-pin SPDIP footprint, and practical design notes that complement (not duplicate) the Microchip datasheet.

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PIC18F25K22-E/SS - 8-Bit 48MHz XLP MCU 32KB Flash | Microchip
PIC18F25K22-E/SS

PIC18F25K22-E/SS - 8-Bit 48MHz XLP MCU 32KB Flash | Microchip

The Microchip Technology PIC18F25K22-E/SS is a 28-pin SSOP 8-bit PIC microcontroller featuring 32 KB (16K x 16) of Flash program memory, 1536 bytes of SRAM, and 256 bytes of EEPROM, running at speeds up to 48 MHz. The part integrates Microchip's nanoWatt eXtreme Low Power (XLP) technology for energy-sensitive designs. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor optimized for deterministic real-time control. It belongs to the broader category of microcontrollers -> embedded processors -> semiconductors, and the PIC18F2X/4XK22 family is one of Microchip's mid-range flash MCU lines that balance low-power operation with rich peripheral integration. Key features of this device include 19 ADC channels with 10-bit resolution, two comparators, a 5-bit DAC, multiple Enhanced USART, SPI, and I2C interfaces, plus Capture/Compare/PWM (ECCP) modules for motor and power control. The nanoWatt XLP technology delivers typical sleep currents below 50 nA, enabling years of battery life on a single coin cell. The wide 1.8 V to 5.5 V operating range supports 2.5 V, 3.3 V, and 5 V systems. The PIC18F25K22 architecture combines a 16-bit instruction word with an 8-bit data path, internal oscillator up to 64 MHz, and a flexible peripheral pin-select (PPS) mapping scheme. The -E/SS suffix designates the extended (-40C to +125C) industrial temperature grade in a 28-lead SSOP package supplied in tube packaging. Typical applications include portable instrumentation, low-power wireless sensor nodes, consumer appliance control, battery-backed status monitors, and USB-interface-less human-interface devices where low standby current and deterministic interrupt response are required. When designing with this MCU, plan for an external decoupling network of 100 nF and 10 uF ceramic capacitors near the VDD pin and place the ICSP programming header on the board to enable in-circuit debugging with MPLAB X IDE and the MPLAB Snap or PICkit 4 tools. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical engineering design notes not found in the standalone manufacturer datasheet, giving buyers and engineers a single reference for specification, sourcing, and design decisions.

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PIC18F25K22-I/ML - 8-bit 64MHz MCU 32KB Flash 28-QFN | Microchip
PIC18F25K22-I/ML

PIC18F25K22-I/ML - 8-bit 64MHz MCU 32KB Flash 28-QFN | Microchip

The Microchip Technology PIC18F25K22-I/ML is a nanoWatt XLP 8-bit PIC microcontroller delivering 64 MHz CPU performance from 32 KB of Flash program memory, housed in a 28-pin QFN (ML) 6x6 mm package. It integrates 1536 bytes of SRAM, 256 bytes of EEPROM, a 10-bit ADC with up to 17 analog input channels, two rail-to-rail analog comparators, and two Enhanced USART, two SPI and two I2C peripherals. The 'I' suffix denotes the industrial temperature range of -40C to +85C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and peripherals around an 8-bit data path. The PIC18 family sits at the high end of Microchip's 8-bit portfolio, sharing a common RISC instruction set with later PIC18FxxQ10 and PIC18FxxK42 series. Within the broader taxonomy, the PIC18F25K22 belongs to the hierarchy: microcontroller -> embedded controller -> semiconductor IC. Its nanoWatt XLP technology makes the device a logical choice when battery life dominates the design envelope. Key differentiating features include 32 KB self-programmable Flash with 10K endurance cycles, 256 bytes of EEPROM for non-volatile parameter storage, a 64 MHz internal oscillator eliminating external crystals in many designs, two Enhanced Capture/Compare/PWM (ECCP) modules and one standard CCP module, plus a programmable HLVD (High/Low Voltage Detect) module for brown-out protection. The integrated mTouch capacitive touch sensing peripheral supports up to 28 channels for buttons, sliders, and proximity sensors without external components. The architecture uses a modified Harvard structure with separate program and data paths, 16-bit instructions fetched from Flash on every cycle, and an 8-bit data ALU optimized for C compiler code generation. The 31-level hardware stack and 31 interrupt vectors enable deterministic real-time response. The wide 1.8 V to 5.5 V operating range with nanoWatt XLP sleep currents below 50 nA typical makes the device a strong fit for energy harvesting and battery-backed designs. Typical applications include consumer white goods and human-machine interfaces using the mTouch peripheral, industrial sensor hubs with low-power sleep duty cycling, battery-powered IoT edge nodes, USB HID bridges when paired with an external USB transceiver, automotive interior lighting modules, and HVAC control boards. The automotive-grade -40C to +125C variant (PIC18F25K22-E/ML) extends deployment into underhood zones. When designing with this device, reserve the first 32 KB of Flash for the bootloader and application; map the ICSP/ICD pins (PGC/PGD) to dedicated test points on the PCB so the device remains in-circuit programmable. Note that newer PIC18FxxQ10 family members offer updated peripherals and improved ADC, so design teams building new platforms should evaluate PIC18F25Q10 before committing to the PIC18F25K22. This page synthesizes real-time distributor pricing, verified drop-in alternatives drawn from the same Microchip PIC18 family, and practical design notes not found in the bare manufacturer datasheet.

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PIC18F25K22-I/SO - 8-Bit 64MHz 32KB Flash MCU | Microchip
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 - 8-Bit 64MHz 32KB Flash MCU | Microchip
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 - 8-bit 64MHz 32KB Flash MCU 28-SSOP | Microchip
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 - 8-bit 64MHz MCU, 32KB Flash, 28-QFN | Microchip
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 - 32KB Flash 8-bit MCU QFN-28 | Microchip
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 - 32KB Flash 8-bit MCU, 64MHz, 28-UQFN | Microchip
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 - 8-Bit MCU, 32KB Flash, 28-Pin SOIC | Microchip
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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