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PIC18LF258T-I/SOG

PIC18LF258T-I/SOG - 8-bit 40MHz PIC MCU w/ CAN | 28-SOIC

The Microchip Technology PIC18LF258T-I/SOG is an 8-bit PIC18F-family microcontroller with integrated CAN 2.0B controller, 32KB (16K x 16) of Flash program memory, 1.5KB of RAM, and 256 bytes of EEPROM, housed in a 28-pin SOIC (7.50 mm body width) package. The device operates from a 2.0V to 5.5V supply and runs at up to 40 MHz (10 MIPS) from its internal oscillator or an external crystal. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. Within the Microchip taxonomy, the PIC18F family sits above base-line PIC16 parts and below 16-bit PIC24/dsPIC devices; the PIC18F248/258 sub-family specifically adds the CAN peripheral for automotive and industrial networking. LF designates the low-voltage variant of the PIC18F series, designed to operate down to 2.0V. Key features include 22 digital I/O pins multiplexed with peripheral functions, a 10-bit 5-channel analog-to-digital converter (ADC), two 8-bit + one 16-bit timers, two analog comparators, an ECAN module with CAN 2.0B active and passive, MSSP for I2C/SPI, and an enhanced USART. The device supports in-circuit serial programming (ICSP) and self-programming under bootloader, plus an ICD block matched by low-voltage debug. Master/slave ports support I2C/SPI master and slave roles. Architecturally, the PIC18LF258 employs a Harvard RISC core with separate code and data buses, 32 KB Flash for code storage, 1.5 KB SRAM for runtime data, and 256 bytes EEPROM for non-volatile parameter storage. The wide 2.0V-5.5V operating range and on-chip CAN module make it ideal for industrial control modules, automotive body ECUs, and sensor nodes that must communicate over a CAN bus while running from a battery-backed rail. Typical applications include automotive body controllers (door modules, climate control), industrial CAN node endpoints, sensor transducers with CAN interface, low-power remote telemetry, and consumer appliances requiring robust serial communication. The 28-SOIC package provides drop-in compatibility with the PIC18F248 and other PIC18F 28-pin SOIC variants, allowing PCB reuse across product variants. When designing with this MCU, plan for a 4xPLL frequency plan and reserve adequate decoupling. A 0.1 uF ceramic capacitor near each power pin plus a bulk 10 uF tantalum or ceramic is recommended. The CAN bus requires a transceiver (e.g. MCP2551 or TJA1050); the PIC18LF258 only handles the protocol layer, not the physical layer. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet, providing an engineering-focused resource for component selection, replacement decisions, and BOM validation.

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PIC18LF25J10-I/ML

PIC18LF25J10-I/ML - 8-bit 40MHz 32KB Flash MCU QFN-28

The Microchip PIC18LF25J10-I/ML is an 8-bit PIC18J-series microcontroller with 32 KB Flash, 1 KB RAM, 34 I/O lines, and a 40 MHz CPU core, packaged in a 28-pin QFN (ML) with exposed pad for thermal dissipation. It is part of the low-voltage "LF" line, operating from 2.0 V to 5.5 V and supporting active supply currents below 1 mA/MHz. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and peripherals such as timers, ADC, communication ports, and GPIO onto one silicon die. PIC microcontrollers use Microchip's RISC-based Harvard architecture, where separate program and data buses allow the core to fetch instructions and read operands in the same cycle, giving deterministic throughput at 10 MIPS from a 40 MHz oscillator. The PIC18 family extends the legacy PIC16 instruction set with 16-bit instructions, larger linear addressing, and C-friendly pointer semantics, which is why it dominates cost-sensitive embedded designs. Key features of the PIC18LF25J10 include a 10-bit ADC with up to 10 channels, two enhanced USART modules (one with LIN master/slave support), two MSSP ports configurable for SPI or I2C with address masking, two CCP modules plus one enhanced ECCP for motor-drive edge-aligned or center-aligned PWM, and an internal 8 MHz oscillator selectable via configuration bits. Hardware multipliers, an 8x8 hardware multiplier block, and the nanoWatt power-managed sleep modes let the part scale from active DSP-class workloads to sub-microamp standby. The architecture follows the standard PIC18 pipeline of fetch/decode/execute with a 31-level hardware stack and a software-accessible reset vector. Code executes from Flash through a 16-bit-wide program bus while data accesses use an 8-bit SFR bus; this split allows single-cycle instruction fetches and supports the linear 32 KB program-memory addressing space. An on-chip debugger and two hardware breakpoints make MPLAB X ICD integration straightforward. Typical applications include industrial sensor nodes, low-cost USB-to-UART bridges (paired with an external transceiver), appliance front-panel controllers, HVAC damper drivers, low-end motor-control boards (BLDC or stepper), battery-powered metering, and human-interface boards with character LCDs. The wide 2.0-5.5 V range lets the same firmware run on a single-cell Li-ion pack or a regulated 5 V rail. When designing with the PIC18LF25J10-I/ML, place a 0.1 uF decoupling capacitor within 5 mm of each VDD/VDDCORE pin and tie the exposed thermal pad to a solid ground pour for thermal relief. Configure the internal 8 MHz oscillator with the PLLEN bit if higher clock rates are needed, and reserve an unused GPIO for In-Circuit Serial Programming (ICSP) so firmware can be updated on assembled boards. This page synthesizes distributor pricing from LCSC, Mouser, DigiKey and Octopart, drop-in alternatives verified against the QFN-28 footprint, and practical PCB design notes that go beyond the manufacturer's datasheet, giving the engineer a one-stop sourcing and engineering reference for this part.

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PIC18LF25J10-I/SO

PIC18LF25J10-I/SO - 32KB Flash 8-bit MCU 28-SOIC | Microchip

The Microchip Technology PIC18LF25J10-I/SO is an 8-bit PIC18J-series RISC microcontroller integrating 32KB (16K x 16) of Flash program memory and 1KB of SRAM, packaged in a 28-pin SOIC (7.50 mm body width) rated for the industrial -40C to +85C temperature range. It executes instructions at up to 40 MHz, delivers roughly 10 MIPS throughput, and operates from a wide 2.0V to 3.6V core VDD supply typical of low-voltage 'LF' J-series PIC microcontrollers. What is a PIC18J microcontroller? An 8-bit microcontroller is a single-chip computer integrating a CPU core, program memory, data memory, and peripherals such as timers, communication ports, and analog-to-digital converters on one die. The PIC18 family is Microchip's high-end 8-bit line built around an enhanced RISC architecture with hardware multiplier, hardware accumulator, and a 16-bit instruction word. The 'J' sub-family extends this lineage with nanoWatt XLP deep-sleep modes, ultra-low-power sleep currents, and on-chip peripherals aimed at battery-powered and energy-harvesting designs. Key features of the PIC18LF25J10 include ten 10-bit A/D converter channels with automatic acquisition, multiple Enhanced Capture/Compare/PWM modules, two UART modules with IrDA support, an I2C/SPI master/slave port, and a full-speed USB 2.0 device/host/OTG controller. The 32KB Flash provides ample headroom for USB stacks and application firmware, while the integrated 1KB SRAM and 256-byte data EEPROM support real-time data logging. NanoWatt XLP technology delivers sub-microamp sleep currents critical for battery longevity. Architecturally the PIC18LF25J10 is a Harvard-design CMOS device with separate program and data buses, a 16-bit flash-fetch that decodes into an 8-bit ALU datapath, and a priority-based interrupt controller. The integrated USB SIE eliminates external transceivers for low-speed and full-speed USB peripherals, simplifying BOM and PCB routing versus discrete implementations. Typical applications include low-power USB peripherals (HID mice, keyboards, custom HID devices), portable data loggers with USB charging, industrial sensor interfaces, low-cost instrumentation, and consumer devices needing XLP-class sleep currents. Engineers frequently pair it with external EEPROM for parameter storage and a low-cost voltage regulator. When designing with this MCU, ensure that the core 3.3V rail is well decoupled with both a 100 nF ceramic near each VDD pin and a bulk tantalum or aluminum-polymer capacitor. Do not confuse the LF (low-voltage, 2.0-3.6V) variant with the PIC18F25J10 (4.2-5.5V) variant - they are NOT pin-compatible at the power pin level. Confirm VDD range matches your rail before PCB layout is committed. This page synthesizes XAIPART distributor pricing, drop-in replacement alternatives drawn from the PIC18LF family and cross-brand 8-bit MCUs, plus practical design notes that go beyond the bare Microchip datasheet. For engineers evaluating longevity or evaluating drop-in upgrades, this aggregate view supports quicker sourcing decisions.

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PIC18LF25J10-I/SP

PIC18LF25J10-I/SP - 8-Bit 40MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18LF25J10-I/SP is an 8-bit PIC microcontroller running up to 40MHz, integrating 32KB of Flash program memory (16K x 16) and 1024 bytes of RAM in a 28-pin SPDIP (SP) through-hole package. The LF prefix indicates a wide-voltage core designed for low-power and battery-friendly operation across 2.0V to 5.5V (LF J-family) rails, while the standard F variant supports 4.2V to 5.5V operation per the J-series datasheet. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data memory, and peripherals into one package. The PIC18 family uses an enhanced RISC Harvard architecture with a 16-bit instruction word, allowing a single instruction per clock cycle at up to 40MHz (10MIPS). PIC microcontrollers sit within the broader hierarchy of microcontrollers -> microprocessors -> semiconductors, and the LF (low-power, wide-voltage) sub-family is positioned for portable, battery-backed, and energy-harvesting designs. Key features include 32KB Flash program memory, 1024 bytes SRAM, 256 bytes EEPROM, 10-bit A/D converter with multiple channels, enhanced USART, MSSP (SPI/I2C), two analog comparators, and up to 22 digital I/O lines. The J-series core includes nanowatt power-managed modes (RUN, IDLE, SLEEP), enabling microamp-level standby current and on-the-fly clock switching between primary oscillator and Timer1 low-power oscillator. Architecturally, the device uses an 8-bit data path with 16-bit instructions, a hardware multiplier, and an 8x8 hardware multiply that returns a 16-bit result in a single cycle. The integrated nanoWatt Technology power management provides dynamic oscillator switching between HS, XT, LP and internal RC modes, and a hardware Real-Time Clock/Calendar can be built from Timer1 plus the 32kHz secondary oscillator. Typical applications include industrial control, low-power sensor nodes, USB/HID bridges (paired with external PHY), HVAC thermostats, smart metering, remote controls, and portable medical devices. The wide-voltage LF operation makes the part especially attractive where the system must run from 2xAA cells or unregulated supplies. When designing with this MCU, ensure decoupling capacitors (100nF + 10uF) are placed within 5mm of VDD/VSS, and route the MCLR reset line with a 10k pull-up. The ICSP/ICD pins (PGC/PGD) must be reserved for in-circuit debug; do not load these pins with heavy capacitance. This page synthesizes distributor pricing, drop-in alternatives from the PIC18LF J-family, and practical design notes not found in the manufacturer datasheet.

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PIC18LF25J10-I/SS

PIC18LF25J10-I/SS - 8-Bit 40MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18LF25J10-I/SS is an 8-bit RISC PIC microcontroller with 32KB of Flash program memory, 1024 bytes of RAM, and a 40 MHz internal oscillator, housed in a 28-pin SSOP package. It is built on the PIC18J nanoWatt XLP core and supports a wide 2.0V to 3.6V operating voltage range, making it suitable for both battery-powered and line-powered embedded designs where low power and deterministic behavior are required. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripherals (timers, ADC, UART, I2C, SPI, PWM) into one IC. The PIC18 family uses an enhanced 8-bit Harvard RISC architecture with hardware multiplier and indexed addressing, slotting between simpler 8-bit MCUs (PIC10/12/16) and higher-end dsPIC/MIPS Cortex-M devices. PIC18J-series parts specifically add deep-sleep nanoWatt XLP modes that draw only nanoamps in retention, which extends battery life across years of unattended operation. Key features of the PIC18LF25J10 include 32KB (16K x 16) Flash, 1024 bytes of SRAM, a 10-bit ADC with up to 13 input channels, two analog comparators, one 8-bit and three 16-bit timers, two MSSP (I2C/SPI) modules, an enhanced USART, and 21 digital I/O pins. The nanoWatt XLP technology enables ultra-low-power sleep modes with consumption under 100 nA, and the wide 2.0V-3.6V supply supports single-cell Li-ion or two-AA designs without level shifting. Architecturally, this part uses a 16-bit instruction word and 8-bit data path executed in two cycles (or one with the 40 MHz Fosc = 10 MIPS instruction throughput), giving noticeably faster execution than PIC16 while preserving peripheral compatibility. The PIC18J family integrates on-chip voltage regulation and supports both internal and external oscillator sources for flexible clocking. Typical applications include battery-powered sensor nodes, small home appliances, low-end human-interface devices, USB-less peripherals, industrial sensor conditioning, and battery chargers. It is widely used as a lower-memory complement to the 64KB PIC18F25K22 or as a low-power alternative to legacy PIC18F2420 designs. When designing with this device, ensure your programmer supports the ICSP ICD-3 / PICkit-3 / PICkit-4 interfaces to leverage boundary-scan and runtime debugging, and observe decoupling requirements (100 nF + bulk) on VDD/VDDcore. Battery-backed designs should configure the deep-sleep modes using the RTCC and WDT to achieve sub-microamp quiescent current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a faster path to a verified pin-compatible MCU selection.

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PIC18LF25J10T-I/ML

PIC18LF25J10T-I/ML - 8-bit 40MHz 32KB Flash MCU 28-QFN | Microchip

The Microchip Technology PIC18LF25J10T-I/ML is an 8-bit PIC18J-series RISC microcontroller featuring a 40 MHz core speed, 32 KB (16K x 16) of embedded Flash program memory, and 1 KB of RAM, housed in a 28-pin QFN (6x6 mm) package with an exposed thermal pad. It operates from a supply voltage range of 4.2 V to 5.5 V in this 'LF' low-voltage variant and includes 34 I/O ports, a 10-bit 10-channel Analog-to-Digital converter, and on-chip peripherals supporting I2C, SPI, and UART/USART communication. The '-I/' industrial temperature grade extends operation across -40°C to +85°C ambient conditions. A PIC microcontroller (MCU) is a self-contained 8-bit computing core with integrated Flash program memory, RAM, peripherals, and general-purpose I/O on a single silicon die. The PIC18 family sits at the high-performance end of Microchip's 8-bit line, using an enhanced Harvard RISC architecture with a 16-bit instruction word that delivers roughly 10 MIPS at 40 MHz. 'LF' denotes the low-voltage FJCJ-series process node optimized for 2.0-3.6 V (PIC18LFxxJ10 family) or 4.2-5.5 V extended-range operation, while plain 'F' parts use 4.2-5.5 V only. Within the power-management IC hierarchy, the PIC18LF25J10T belongs to the microcontroller -> 8-bit MCU -> embedded controller -> semiconductor family tree. Key features of the PIC18LF25J10T-I/ML include the nanoWatt Technology power-management suite for sleep/Idle modes, a 10-bit ADC with 10 input channels, hardware multipliers, dual analog comparators, an enhanced USART with support for LIN, and four timer modules. The 16-bit wide Flash is single-voltage programmable via ICSP (In-Circuit Serial Programming), enabling firmware updates in the assembled product. Self-programmability under software control and an extended watchdog timer further expand its use in safety-conscious designs. The PIC18J core pairs an 8-bit datapath with a 16-bit instruction word to keep code density high while preserving deterministic interrupt latency. Internal RC and PLL clocking paths allow the 40 MHz core to be derived from a low-frequency crystal or internal 8 MHz source, reducing external BOM count. The dedicated ICD/ICSP debug pair retains full-speed in-circuit debugging without consuming user I/O. Typical applications include low-power industrial sensor interfaces, USB/HID peripherals (with an external transceiver), home appliance control panels, automotive body modules, and battery-powered metering where the 'LF' low-voltage operation is acceptable. Designers favor this device when 32 KB of Flash is ample and a QFN footprint is preferred for compact layouts. When designing with the PIC18LF25J10T-I/ML, supply decoupling must include a 100 nF ceramic capacitor as close as practical to each VDD pin pair plus a bulk 10 uF tantalum or ceramic on the main rail. The exposed thermal pad of the 28-QFN must be soldered to a continuous ground copper pour to meet thermal and EMI performance. Pull-ups on I2C SDA/SCL lines and correct MCLR reset-network design (10 kΩ pull-up plus decoupling) are mandatory for reliable start-up.

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PIC18LF25J10T-I/SO

PIC18LF25J10T-I/SO - 32KB Flash 8-bit MCU | Microchip

The Microchip PIC18LF25J10T-I/SO is a low-power 8-bit PIC18 microcontroller with 32 KB program memory, 1024 bytes of RAM, and 21 I/O pins, housed in a 28-pin SOIC (7.50 mm / 0.295 in width) package and supplied on Tape & Reel. Operating from 2.0 V to 3.6 V (LF variant) at up to 40 MHz, it integrates nanoWatt technology for power-managed applications and includes on-chip Flash, EEPROM, and an internal oscillator. An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data RAM, and peripherals such as timers, communication, and ADC. The PIC18 family is Microchip's high-performance 8-bit line using a RISC architecture with hardware multiplier and 16-bit instruction word, bridging small 8-bit controllers and 32-bit MCUs in cost-sensitive embedded designs. Key features include 32 KB Flash program memory (16K × 16 instruction words), 1024 bytes of SRAM, 21 digital I/O, internal oscillator, and nanoWatt power-saving modes. Peripheral integration supports timers, MSSP (SPI/I2C), enhanced USART, 10-bit ADC channels, and PWM, providing a complete system-on-chip for connected embedded products. The PIC18LF25J10 architecture uses a 16-bit instruction path with an 8-bit data bus, allowing 32 KB of linear Flash and Harvard memory structure. The LF suffix indicates the low-voltage 2.0–3.6 V operating range, supporting battery-powered and portable designs. Peripherals are mapped through the standard PIC18 register set for predictable firmware reuse across the family. Typical applications include consumer electronics, industrial control, USB peripherals, low-power sensor nodes, and battery-powered portable devices. The wide peripheral set and low power modes also suit home automation, IoT edge nodes, and human-interface products. When designing with this device, mind the 2.0–3.6 V supply window (LF variant differs from 5 V F parts), keep VDD/VSS decoupling close to the package, and follow Microchip's in-circuit serial programming (ICSP) layout guidelines to preserve programming and debug access. This page synthesizes distributor pricing, drop-in SOIC-28 alternatives from the same PIC18 family, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF25J11-I/SP

PIC18LF25J11-I/SP - 32KB Flash MCU, 4KB RAM, 12 MIPS nanoWatt | Microchip

The Microchip Technology PIC18LF25J11-I/SP is an 8-bit PIC18 microcontroller with 32 KB Flash, 4 KB RAM and 12 MIPS throughput, housed in a 28-pin SPDIP (SP) through-hole package. It belongs to the PIC18 "J" low-voltage family, operating from 2.0V to 3.6V (LF denotes the low-voltage core), and reaches a 40 MHz internal clock rate. A factory-trimmed LF part is interchangeable with the 5V PIC18F25J11 only when the system rail stays inside the LF envelope. What is a PIC microcontroller? PIC (Peripheral Interface Controller) is a family of 8-bit Harvard-architecture RISC microcontrollers from Microchip. PIC18 series parts add enhanced 16-bit-wide instructions, hardware multiply and C-compiler-friendly addressing; the "J" sub-family targets low-voltage battery-powered designs with nanoWatt sleep modes. Within this taxonomy, the PIC18LF25J11 sits as: 8-bit MCU -> PIC18 family -> J-series low-voltage line -> nanoWatt power-managed sub-line -> 28-pin SPDIP form factor. Key features include 32 KB self-programmable Flash program memory, 4 KB SRAM, 256 bytes of EEPROM-style data, 34 digital I/O pins multiplexed with analog and peripheral functions, a 10-bit ADC with up to 13 input channels, two analog comparators, two USART modules, two MSSP (SPI/I2C) modules, two CCP modules, an 8-bit/16-bit timer block and a 10-bit ADC providing roughly 3.2 mV LSB at a 3.3 V reference. Architecturally, the PIC18LF25J11 uses a 16-bit-wide instruction word, an 8-level hardware stack, a priority interrupt controller and a nanoWatt power manager with multiple low-power sleep modes. The LF silicon revises the analog and oscillator blocks for low-voltage operation, while sharing the same peripheral set as the 5V PIC18F25J11. Typical applications include USB-LCD modules, smart-card readers, tethered wearables, sensor interfaces for industrial control, low-power data loggers and battery-powered consumer peripherals. The combination of nanoWatt sleep, 32 KB code space and 4 KB RAM is well matched to RTOS-light protocols such as Modbus-RTU over RS-485 or I2C-based sensor hubs. A core design consideration is supply rail discipline: although the LF device is qualified for 2.0V-3.3.6V, 5V-tolerant I/O behavior must be confirmed against the latest datasheet revision before stacking with legacy 5V sensors. Designers should also budget for the 28-pin SPDIP through-hole footprint, which favours prototyping and rugged industrial enclosures over miniaturized wearables. This page synthesizes distributor pricing, same-family drop-in alternatives sourced from Microchip's published catalog, and practical design notes not typically surfaced by manufacturer datasheets alone.

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PIC18LF25J11-I/SS

PIC18LF25J11-I/SS - 32KB Flash 8-bit nanoWatt XLP MCU | Microchip

The Microchip PIC18LF25J11-I/SS is an 8-bit PIC18 microcontroller in the PIC XLP™ 18J family featuring nanoWatt XLP extreme-low-power technology, 32KB of Flash program memory, 4KB of RAM, and a 48MHz internal oscillator, housed in a 28-pin SSOP package. The LF prefix indicates the wide 2.0V–3.6V core-voltage variant optimized for battery-powered designs, while the F (non-LF) sibling supports 2.0V–3.6V and the legacy 4.2V–5.5V PIC18 J-family range. Per the Microchip datasheet 39931D-family PDF, the part delivers 12 MIPS throughput at 48MHz and integrates a 10-bit successive-approximation ADC with up to 13 input channels, two analog comparators, two CCP modules, an enhanced USART, SPI and I²C peripherals. A PIC18 microcontroller is a high-performance 8-bit RISC MCU built on Microchip's Harvard architecture with separate program and data buses, designed for deterministic real-time control in cost-sensitive embedded systems. The PIC18 family sits at the top of Microchip's 8-bit portfolio between baseline PIC10/12/16 and 16-bit dsPIC/PIC24 products, and the LF 'J' sub-family adds nanoWatt XLP peripherals such as ultra-low-power wake-up, Real-Time Clock with calendar, and sleep currents below 100 nA in deep-doze modes. This hierarchy matters for engineers evaluating the trade-off between 8-bit simplicity and 32-bit Cortex-M capability, where the PIC18 LF J family uniquely competes on power-per-MHz efficiency for low-duty-cycle IoT nodes. Key features include 32KB Flash (16K × 16), 4KB SRAM, 256-byte EEPROM, 21 to 34 programmable I/O pins depending on package, an internal 31kHz–8MHz oscillator with PLL to 48MHz, an internal 1.024V voltage reference, and a 10-bit ADC with auto-acquisition. The device supports in-circuit serial programming (ICSP) and In-Circuit Debug (ICD) over two wires via the dedicated PGD/PGC pins. Typical applications include battery-powered wireless sensor nodes, wearable health monitors, low-power remote controls, energy-harvesting edge devices, and consumer products such as electronic shelf labels, smart thermostats, and portable instrumentation. The wide 2.0V–3.6V supply range supports direct connection to two AA alkaline cells or a single Li-ion / LiFePO4 cell without a boost regulator. A key design consideration is that this LF variant operates strictly below 3.6V. Designs that need to interface to 5V logic must include level shifters or a separate 5V regulator; the non-LF PIC18F25J11 supports 4.2V–5.5V operation on the same SSOP-28 footprint, allowing the LF part to be a drop-in upgrade when the design moves to lower-voltage supplies.

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PIC18LF25J11T-I/ML

PIC18LF25J11T-I/ML - 8-bit 32KB Flash MCU, 28-QFN | Microchip

The Microchip Technology PIC18LF25J11T-I/ML is an 8-bit PIC18 RISC microcontroller with 32KB Flash program memory, 4KB RAM, and a 28-pin QFN-EP package, engineered for low-power embedded control. It operates from a 2.0V to 3.6V core supply (4.2V to 5.5V tolerant on I/O via the PIC18LF "J" family voltage tolerance), delivers 12 MIPS throughput at 48 MHz internal clock (40 MHz external), and includes nanoWatt power-management technology for battery-operated designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, timers, and peripherals into one package. PIC18 RISC MCUs sit within Microchip's 8-bit hierarchy: 8-bit MCU -> PIC microcontroller -> PIC18 family -> PIC18LFxxJxx low-voltage sub-family. The reduced instruction set architecture yields deterministic timing suitable for real-time control, while the modified Harvard bus separates program and data memory for predictable instruction fetch and simultaneous access. Key features include 32KB Flash, 4KB SRAM, 10-bit ADC, multiple PWM channels, USART, SPI, I2C, and ultra-low-power sleep modes. The "J11" sub-family adds CTMU (Charge Time Measurement Unit) for capacitive touch, nanoWatt XLP sleep, and an internal 8 MHz oscillator with PLL to 48 MHz. The 28-pin QFN-EP exposed-pad package enhances thermal dissipation, allowing sustained 12 MIPS throughput without active cooling. According to the manufacturer datasheet, 34 digital I/O lines are available across ports A, B, and C in 28-pin QFN/ML packages. Architecturally, the PIC18LF25J11 uses a 16-bit instruction word with 8-bit data path, hardware multiply, hardware stack of 31 levels, and C-optimizing architecture. The PIC18LF prefix indicates 2.0V-3.3V operation optimized for lithium-battery applications; the "T" suffix denotes tape-and-reel packaging, "I" denotes industrial temperature range -40C to +85C, and "/ML" denotes the 28-pin QFN package with exposed pad. Typical applications include battery-powered sensor hubs, USB device controllers, capacitive touch user interfaces, low-power wireless sensor nodes, and consumer white goods. The wide operating voltage, on-board peripherals, and nanoWatt XLP modes make it well-suited for products where extended battery life and rich peripheral integration matter more than absolute CPU throughput. When designing with this device, ensure that the PICkit or ICD programmer is connected to the ICSP pins (PGC/PGD) and that the VCAP pin is decoupled with a low-ESR capacitor for the internal 2.5V regulator. The "LF" 2.0V minimum supply enables direct connection to single-cell lithium cells without external LDO. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF25J11T-I/SO

PIC18LF25J11T-I/SO - 32KB Flash 8-bit MCU, 28-SOIC | Microchip

The Microchip Technology PIC18LF25J11T-I/SO is a low-power 8-bit PIC18 microcontroller featuring 32KB of Flash program memory, 4KB of RAM, and a 12 MIPS throughput core, packaged in a 28-pin SOIC (SO) wide-body 300-mil package on tape-and-reel. It is part of the PIC18LFxxJ11 nanoWatt XLP family engineered for battery-friendly applications, operating from 2.0V to 3.6V on the LF core, with a clock speed up to 40 MHz derived from an internal PLL. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals on one silicon die. The PIC18 family uses a RISC modified-Harvard architecture with 16-bit instructions and an 8-bit data path, balancing deterministic interrupt response with high code density. Within the MCU taxonomy, this part belongs to: MCU -> microcontroller -> embedded controller -> semiconductor. Microchip's nanoWatt XLP technology extends sleep-mode current into the nanoampere range, enabling years of operation from a single battery cell in sleep-dominated duty cycles. Key specifications include 32KB Flash, 4KB RAM, 1KB EEPROM, 10-bit ADC up to 10 channels, two analog comparators, two USART modules, two MSSP (SPI/I2C) modules, and a full-speed USB 2.0 device controller. The wide 2.0V-3.3V operating range, plus 5V-tolerant digital inputs, makes the device flexible for 3.3V-only or mixed-voltage boards. nanoWatt XLP idle currents below 1 µA in Sleep mode are particularly attractive for always-on sensor nodes. The industrial -40°C to +85°C temperature range is suitable for harsh-environment deployment. Typical applications include USB human-interface devices (HID), battery-powered sensor hubs, industrial sensor transmitters, low-power instrumentation, and small appliances. The internal 31 kHz and 8 MHz RC oscillators, combined with the PLL, allow BOM cost reduction by removing external crystals in many designs. Designers benefit from Microchip's MPLAB X IDE, XC8 compiler, and the free Microchip Libraries for Applications (MLA) USB stack, which shortens USB-device firmware development.

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PIC18LF25J50-I/SO

PIC18LF25J50-I/SO - 48MHz 8-bit USB MCU 32KB Flash SOIC-28 | Microchip

The Microchip Technology PIC18LF25J50-I/SO is an 8-bit PIC® XLP™ 18J microcontroller running at 48 MHz internal clock with 32 KB (16K x 16) of Flash program memory, 4 KB RAM, and integrated full-speed USB 2.0, housed in an industrial-temperature 28-pin SOIC package. The 'LF' suffix denotes the low-voltage F-core variant that operates from 2.0 V to 3.6 V, while the wider-supply 'F' part covers 2.15 V to 3.6 V for the same family. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripherals such as timers, ADC, communication interfaces, and I/O ports. The PIC18 family is Microchip's high-performance 8-bit architecture with a 16-bit instruction word and hardware multiplier, positioned between the baseline PIC10/12/14 families and the 16-bit dsPIC/PIC24 line. The 18J-series further adds nanoWatt XLP™ deep-sleep modes and integrated USB 2.0 full-speed, making it suitable for battery-powered or USB-bus-powered embedded designs. Key features include 48 MHz operation delivering up to 12 MIPS, an integrated full-speed USB 2.0 device/host/OTG transceiver that eliminates an external PHY, 21 digital I/O lines sharing pins with on-chip peripherals, a 10-bit ADC, two analog comparators, four timers, two CCP/ECCP modules, SPI, I²C, and an asynchronous EUSART. The deep-sleep nanoWatt XLP mode draws sub-µA quiescent current, enabling multi-year battery life in sensor and remote-control applications. Architecturally, the PIC18LF25J50 uses Microchip's 8-bit RISC core with a 16-bit wide instruction path and 31-level hardware stack, paired with a USB Serial Interface Engine (SIE) that handles low-level USB protocol in hardware, freeing the CPU from bit-banging. The Flash program memory supports self-programming, and the on-chip LDO provides 3.3 V core voltage from the wide 2 V–3.6 V supply range. Typical applications include USB peripherals (HID, CDC, MIDI, mass-storage), low-power wireless sensor platforms, USB battery chargers, USB-LC touch-interface sensors, USB-to-UART bridges, and much more. The integrated 28-pin SOIC is the most common industrial package for embedded USB, balancing board area and assembly yield. When designing with this device, ensure the VUSB pin is properly decoupled with the recommended capacitor values per Microchip datasheet and that the USB D+/D- traces are 90-ohm differential and length-matched. The LF variant requires a 2.0 V minimum supply for full-speed USB operation, while the wider-supply 'F' part supports 2.15 V minimum for USB. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18LF25J50-I/SS

PIC18LF25J50-I/SS - 8-bit 48MHz USB MCU 32KB Flash | Microchip

The Microchip PIC18LF25J50-I/SS is an 8-bit PIC18 microcontroller featuring a 48 MHz CPU core, 32 KB (16K x 16) of Flash program memory, 4 KB of RAM, and an integrated Full-Speed USB 2.0 transceiver, all housed in a 28-pin SSOP package. The device operates from 2.0 V to 3.6 V (LF variant) and includes the nanoWatt XLP (eXtreme Low Power) technology for energy-efficient designs targeting battery-powered and portable applications. A PIC18 microcontroller is a member of Microchip's 8-bit PIC (Peripheral Interface Controller) family, a RISC-based Harvard-architecture MCU line that occupies the microcontroller -> 8-bit MCU -> embedded controller taxonomy within integrated circuits. The PIC18F/LF J-series specifically targets USB-enabled and low-power embedded designs, bridging the gap between traditional PIC16 parts and the higher-pin-count PIC24/dsPIC families. Key features include 32 KB of self-programmable Flash, 4 KB SRAM, a full-speed USB 2.0 SIE (Serial Interface Engine) with on-chip transceiver, a 10-bit ADC up to 13 channels, two analog comparators, four 16-bit timers, two UART, SPI, and I2C peripherals. The LF variant operates from 2.0 V to 3.6 V, while the F variant extends to 5.5 V. nanoWatt XLP technology provides sleep currents in the nanoamp range, making the part suitable for battery-powered USB peripherals. Architecturally, the PIC18LF25J50 uses a modified Harvard structure with separate program Flash and data SRAM buses, a 16-bit instruction word optimized for C compilation, and a priority-based interrupt controller supporting both legacy and vectored interrupts. The integrated USB SIE handles protocol layer functions, allowing USB device operation using only external bus pull-up and decoupling components. Typical applications include USB-to-UART bridges, USB human-interface devices (HID) such as keyboards/mouse dongles, USB sensor nodes, USB charging controllers, embedded data loggers with USB upload, and low-power portable instrumentation with USB connectivity. The combination of USB and nanoWatt XLP also makes it ideal for medical and industrial USB dongles. When designing with this part, place the 28-SSOP decoupling capacitors close to VDD/AVDD pins, route the D+/D- USB signals as a 90-ohm differential pair with matched length, and verify the external 3.3 V regulator meets USB suspend current requirements (<2.5 mA for low-power device class). Always reference the PIC18F46J50 family datasheet (DS-39775) for complete peripheral and electrical specifications. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not collected in the manufacturer datasheet, supporting faster component selection for embedded engineers.

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PIC18LF25J50T-I/SO

PIC18LF25J50T-I/SO - 48MHz USB 8-bit MCU 32KB Flash | Microchip

The Microchip Technology PIC18LF25J50T-I/SO is an 8-bit PIC microcontroller featuring a full-speed USB 2.0 device interface, 32 KB of Flash program memory, and 4 KB of RAM, packaged in a 28-pin SOIC (0.295", 7.50 mm width) wide-body outline. The "LF" prefix denotes a low-voltage (2.0 V min) variant of the PIC18F25J50 family, while the "T" suffix indicates tape-and-reel packaging and "I/SO" specifies the industrial temperature grade and SOIC package. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripherals into one device. PIC18 microcontrollers use Microchip's enhanced 8-bit RISC architecture with a 16-bit instruction word, sitting between legacy PIC16 parts and higher-performance 16-bit dsPIC/PIC24 families. The "J" suffix denotes parts designed for nanoWatt XLP (eXtreme Low-Power) operation, with sleep currents in the nanoampere range, suitable for battery-powered designs with USB connectivity. Key features of the PIC18LF25J50 family include a 48 MHz internal oscillator (12 MIPS instruction throughput), full-speed USB 2.0 device with on-chip transceiver, 10-bit ADC with up to 13 channels, multiple PWM and capture/compare modules, I2C/SPI/EUSART peripherals, and nanoWatt XLP power management. The integrated USB peripheral eliminates the need for an external transceiver, reducing BOM cost and PCB area in USB device designs. The device is built on an enhanced Harvard architecture with separate program and data buses, supporting C-compiler-friendly operation. Its wide operating voltage range of 2.0 V to 3.6 V allows direct connection to battery chemistries such as 2x AA alkaline or single-cell Li-ion regulated to 3.3 V. The SOIC-28 package provides robust mechanical connections suitable for hand-prototyping and industrial-temperature environments. Typical applications include USB HID peripherals such as keyboards/mice/custom input devices, USB-to-UART bridges, USB data loggers, battery-powered sensor nodes with USB charging, and embedded learning platforms. Industrial sensing and metering designs that require USB connectivity without external transceivers also benefit from the part. When designing with this MCU, allocate proper PCB space for the USB D+/D- traces (90-ohm differential, length-matched) and place the internal voltage regulator bypass capacitor close to the VUSB3V3 pin. The ICSP programming pins must remain accessible for in-system programming and debugging using tools such as MPLAB PICkit or ICD. This page synthesizes distributor pricing, drop-in same-brand alternatives, and practical design notes not always called out in the manufacturer datasheet, helping engineers select and source the right PIC18LF variant for low-power USB designs.

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PIC18LF25K22-E/SO

PIC18LF25K22-E/SO - 8-bit 48MHz 32KB Flash XLP MCU | Microchip

The Microchip Technology PIC18LF25K22-E/SO is an 8-bit PIC18 family microcontroller built on a high-performance RISC architecture with nanoWatt XLP extreme-low-power technology. It integrates 32KB of Flash program memory (16K x 16 words), 1536 bytes of SRAM, and 256 bytes of EEPROM, and executes instructions at up to 48 MHz (16 MIPS) from a 1.8V-3.6V supply. Housed in a 28-pin SOIC (SO) wide-body 7.50 mm package, the device targets low-power embedded designs where active current draw and deep-sleep retention are critical. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and a rich set of peripherals such as timers, ADC, comparators, PWM, UART, and I/O ports. PIC microcontrollers belong to the PIC18 family, a Harvard-architecture 8-bit line known for deterministic interrupt response, simple assembly and C programming via MPLAB X, and a mature toolchain. Within Microchip's portfolio, PIC18 sits between PIC16 and PIC24/dsPIC, balancing cost, code density, and peripheral integration. The 'LF' prefix denotes the low-voltage variant (1.8-3.6V), the 'F' denotes Flash program memory, the '25K22' is the family code (32KB Flash), and the 'E/SO' suffix specifies the Extended (-40C to +125C) temperature grade in a 28-pin SOIC. Key differentiating features include the nanoWatt XLP technology for sub-microamp sleep currents, an integrated 10-bit ADC with up to 17 channels, mTouch capacitive-touch support, two analog comparators with a reference ladder, two CCP/ECCP modules for PWM and motor control, an enhanced USART with LIN support, two MSSP modules for SPI/I2C, and an internal 16 MHz oscillator with PLL for 48 MHz operation. Peripherals can be individually disabled to minimize dynamic power. The PIC18LF25K22's XLP technology delivers typical sleep currents below 1 uA (per datasheet typical characteristics) with retention from a 1.8V supply, while the 16 MIPS core supports real-time control loops. The 28-pin SOIC provides ample I/O (24 general-purpose pins plus dedicated oscillator and programming lines) while remaining compatible with hand-soldering and breadboard prototypes. Code is developed in MPLAB X IDE with XC8 compilers and debugged via ICSP on the same pins used for programming. Typical applications include battery-powered IoT sensor nodes, capacitive-touch human-machine interfaces, low-power wireless sensor peripherals, portable medical monitors, and industrial sensor conditioning. The combination of XLP sleep current and rich analog integration allows direct connection to resistive bridges, thermistors, and capacitive electrodes without an external analog front end. The E (Extended) temperature grade suits outdoor and automotive under-hood environments. Designers should note that migrating between PIC18LF25K22 (LF, low-voltage) and PIC18F25K22 (F, 1.8-5.5V) requires verifying the application supply rail: connecting a 5V rail to a 'LF' part will damage it. The SOIC-28 footprint is shared with many PIC18 K-series devices, easing migration. This page consolidates distributor pricing, drop-in alternatives in the same 28-SOIC footprint, and practical design notes to help engineers select and apply the PIC18LF25K22-E/SO quickly and correctly.

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PIC18LF25K22-E/SP

PIC18LF25K22-E/SP - 32KB Flash 8-bit MCU 28-SPDIP | Microchip

The Microchip Technology PIC18LF25K22-E/SP is a 28-pin, low-power, high-performance 8-bit PIC microcontroller from the nanoWatt XLP family, housed in a 28-SPDIP through-hole package. It integrates 32 KB (16K x 16) of Flash program memory, 1536 B of RAM, and runs at up to 48 MHz CPU clock, making it suitable for low-power embedded applications requiring moderate code density. The 'LF' prefix denotes the 1.8V to 3.6V wide operating voltage range, while the 'E' suffix specifies the -40C to +125C extended industrial temperature grade. An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data bus width, integrating CPU, RAM, Flash program memory, peripherals, and I/O on one die. PIC18F/K-series devices sit at the higher-performance end of Microchip's 8-bit portfolio, above baseline PIC10/PIC12/PIC16 families. nanoWatt XLP (eXtreme Low Power) is Microchip's power-management technology targeting sleep currents in the nanoampere range for battery-powered applications. This device belongs to the broader category of MCUs -> microcontrollers -> embedded processors -> semiconductors, enabling direct firmware-driven control of analog and digital peripherals. Key features include a 10-bit ADC up to 19 channels, multiple PWM modules, Enhanced USART, MSSP (SPI/I2C), and self-programming Flash. The 'LF' wide-Voltage-Range (WVR) silicon supports 1.8V-3.6V operation, allowing direct connection to single-cell Li-Ion or two-AA battery stacks. Internal oscillator blocks and nanoWatt XLP sleep modes reduce active and idle power, supporting long-life coin-cell applications like metering, remote sensors, and wearables. The PIC18LF25K22 architecture uses a 16-bit modified Harvard bus with an 8-bit data path and 16-bit instruction word, providing C-optimized instruction set and hardware multiply. The 28-SPDIP package is the through-hole version of the family and is ideal for prototyping, breadboarding, and legacy designs that prefer DIP footprints over surface-mount QFN/SOIC. The PIC18 K-series brought significantly improved ADC performance and richer peripherals over the older F-series, while retaining instruction-set compatibility. Typical applications include low-power wireless sensor nodes, battery-powered instrumentation, industrial control modules, and consumer appliances with user interfaces. The wide VDD range and deep sleep modes make it attractive for IoT edge devices that sleep most of the time and burst-transmit on wake events. When designing with the 28-SPDIP variant, allocate board area for the 0.1" pin pitch and provide adequate decoupling close to VDD/VSS pairs. For new designs targeting smallest PCB area, the same die is also available in 28-SOIC and 28-QFN packages (PIC18LF25K22-E/SO, PIC18LF25K22-E/ML) for layout flexibility. This page synthesizes verified distributor inventory, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers rapidly evaluate whether PIC18LF25K22-E/SP fits their 28-SPDIP socket design.

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PIC18LF25K22-E/SS

PIC18LF25K22-E/SS - 32KB Flash 8-bit MCU XLP 28-SSOP | Microchip

The Microchip Technology PIC18LF25K22-E/SS is an 8-bit PIC18 microcontroller with nanoWatt XLP extreme-low-power technology, delivering 48 MHz / 16 MIPS performance from 32 KB Flash and 1536 B SRAM in a 28-pin SSOP package. The LF prefix denotes the 1.8-3.6V low-voltage variant intended for battery-powered and energy-harvesting applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, peripherals, and I/O on one die. Within the broader taxonomy, an MCU belongs to embedded processors -> microcontrollers -> 8-bit microcontrollers. The PIC18LF25K22 family extends this category by adding nanoWatt XLP sleep modes that reduce quiescent current to sub-microampere levels, enabling multi-year battery lifetime in applications such as remote sensors and utility metering. Key differentiating features include 32 KB self-programmable Flash with 1 KB EEPROM endurance rated at 100k cycles, a 12-channel 10-bit ADC, two CCP/ECCP modules, three 16-bit timers, two MSSP (SPI/I2C) ports, two EUSART (LIN-capable) ports, and a 5-bit DAC. The device also integrates an 8 MHz internal oscillator selectable to 31 kHz via OSCTUNE, supporting flexible clocking without external crystals. Architecturally, the PIC18LF25K22 uses Microchip's enhanced Harvard RISC core with 16-bit instructions and an 8-bit data path, achieving 16 MIPS at 48 MHz. The on-chip charge-time-measurement-unit (CTMU) provides capacitive-touch sensing, while the EUSARTs natively support LIN bus, simplifying automotive and industrial node design. Typical applications include low-power wireless sensor nodes (with companion RF transceivers), battery-backed utility metering, consumer wearables, sensor interface boards, and portable instruments. The wide peripheral set also suits HVAC controls and LED lighting controllers where capacitive touch user interfaces are needed. When designing, ensure Vdd stays within 1.8-3.6V and provide 100 nF decoupling close to each Vdd pin. Use the internal LFINTOSC for sleep-mode wakeup timing to minimize current draw; route analog and digital grounds separately to preserve ADC accuracy. This page synthesizes real distributor pricing, drop-in alternatives, and application notes not found in the manufacturer datasheet alone - curated to accelerate design-in and second-source decisions for the PIC18LF25K22-E/SS.

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PIC18LF25K22-I/SO

PIC18LF25K22-I/SO - 8-bit XLP 32KB Flash MCU | Microchip

The Microchip PIC18LF25K22-I/SO is a low-power, high-performance 8-bit PIC microcontroller from the PIC18 K-series family featuring nanoWatt XLP technology, with 32KB of Flash program memory, 1536 bytes of SRAM, and 256 bytes of EEPROM, running at up to 64 MHz in a 28-pin SOIC (SO) package. The 'LF' prefix denotes the wide-voltage low-power variant, supporting a 1.8V to 3.6V operating range optimized for battery-powered designs, while the 'F25' family part delivers the same peripheral set as the 5V 'F' variant. A microcontroller is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working memory (RAM), and configurable peripherals (ADC, timers, UART, I2C, SPI, comparators) onto one die. The PIC18 K-series microcontrollers extend Microchip's 8-bit architecture with enhanced peripheral integration, larger memory densities, and nanoWatt eXtreme Low Power (XLP) modes that are widely used in consumer, industrial, and IoT applications. Within the PIC taxonomy, the PIC18LF25K22 belongs to the 8-bit PIC18 family -> 8-bit PIC microcontroller -> microcontroller -> embedded controller -> semiconductor IC. Key features include 10-bit ADC with up to 17 channels, multiple capture/compare/PWM modules, two USART modules, MSSP (SPI/I2C), two analog comparators with rail-to-rail inputs, and ultra-low-power sleep modes down to 20 nA typical. The device also supports an internal 16 MHz oscillator, peripheral pin select (PPS), and 25 mA source/sink current per I/O pin. With CIP (Core Independent Peripherals) such as CWG and DSM, designers can offload waveform generation from the CPU. Typical applications include low-power wireless sensor nodes, battery-powered medical devices, e-metering, remote controls, white goods user interfaces, USB/HID peripherals, and small motor control boards where 8-bit simplicity plus low quiescent current matter. When selecting for new designs, designers should choose 'F' variants if a 5V rail is present and 'LF' variants if the system runs from 1.8-3.6V (Li-ion or two-cell alkaline). PPS provides flexibility to remap peripherals to most I/O pins, simplifying PCB routing versus older fixed-pin PIC18 designs.

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PIC18LF25K22T-I/SS

PIC18LF25K22T-I/SS - 32KB Flash 8-bit MCU 64MHz SSOP-28 | Microchip

The Microchip PIC18LF25K22T-I/SS is an 8-bit PIC microcontroller from the PIC18 K-series with nanoWatt XLP (eXtreme Low Power) technology, delivering 64 MIPS performance at 64 MHz in a 28-pin SSOP package. It integrates 32 KB of Flash program memory (16K x 16 words), 1536 bytes of RAM, and 256 bytes of EEPROM, with a wide peripheral set including multiple EUSART, MSSP (SPI/I2C), ADC, comparators, PWM and timers. A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash/RAM/EEPROM), and programmable I/O peripherals. The PIC18 family uses a modified Harvard architecture with a RISC instruction set optimised for deterministic interrupt response and low-power embedded control, sitting within Microchip's broader 8-bit product hierarchy (PIC10/12/16/18) which in turn competes with 32-bit Cortex-M0 devices for low-cost IoT nodes. Key features of the PIC18LF25K22T-I/SS include an operating voltage range of 1.8 V to 3.6 V (the 'LF' variant), nanoWatt XLP sleep current under 1 µA typical, two EUSART, two MSSP, two comparators, seven PWM channels, a 12-channel 10-bit ADC, and CTMU for capacitive touch sensing. The 'T' suffix indicates Tape & Reel packaging, 'SSOP' specifies the 28-pin (0.209 in / 5.30 mm width) Shrink Small Outline Package, and 'I' denotes the industrial -40 °C to +85 °C temperature range. Architecturally, the device pairs a C-compiler-friendly PIC18 core with hardware multipliers and a 16-bit instruction path, allowing efficient C code generation while retaining the deterministic latency of the PIC family. CTMU, mTouch and EEPROM make it well suited to mixed-signal and human-interface designs that also demand low standby power. Typical applications include low-power IoT sensor nodes, battery-powered remote controls, capacitive-touch user interface panels, home-automation peripherals, USB/CDC serial bridges, motor control for small DC fans and BLDCs, industrial sensor conditioning, and medical handhelds. With its 1.8 V minimum Vdd the LF variant is a direct fit for two AA / coin-cell powered designs where the standard F variant's 2.0 V minimum would be marginal. When designing with this part, verify that code compiled for the F variant does not assume the higher Vdd minimum - relocating the LF Vdd range to 1.8 V instead of 2.0 V. Decouple Vdd/Vss with 100 nF plus 10 µF bulk within 5 mm of the pins, and respect the 28-pin SSOP 0.65 mm pitch for PCB land pattern accuracy. This page synthesises distributor pricing, drop-in alternatives and practical design notes not found in any single Microchip document, with cross-references to PIC18F, PIC18LF, PIC18J and PIC18K sister parts in the same SSOP-28 footprint.

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PIC18LF25K40-E/MV

PIC18LF25K40-E/MV - 8-bit 64MHz XLP MCU 32KB Flash | Microchip

The Microchip Technology PIC18LF25K40-E/MV is a low-power, 8-bit PIC microcontroller from the PIC18F/LF25K40 family with 64 MHz operation, 32 KB Flash, 2 KB RAM and 256 B EEPROM, housed in a 28-pin UQFN (MV) 4x4 mm package with exposed thermal pad. It integrates 10-bit ADC, 5-bit DAC, comparators, PWM, CCP, CWG, WWDT, CRC/SCAN, ZCD and Peripheral Pin Select (PPS) on a single die. What is a PIC18 microcontroller? The PIC18 family is Microchip's high-performance 8-bit microcontroller line, positioned between baseline PIC10/12/16 parts and 16-bit PIC24/dsPIC devices. PIC18 parts use an enhanced Harvard architecture with a 16-bit instruction word, hardware multiplier and a RISC-style instruction set, giving them substantially more code density and peripheral integration than PIC16 while remaining C-friendly with MPLAB XC8. The LF sub-family is the low-power (LF) variant rated for operation down to 1.8 V, optimized for XLP (eXtreme Low Power) battery applications. Key features include 64 MHz internal oscillator, 10-bit ADC with up to 35 channels, 5-bit DAC, 8-bit/16-bit timers, EUSART, I2C and SPI, Core Independent Peripherals (CIPs) such as CWG, ZCD and CRC/SCAN, and Peripheral Pin Select that allows flexible signal routing on most digital I/O pins. The MV package variant exposes a thermal pad that aids heat spreading in space-constrained 4x4 mm designs. The device is built around Microchip's enhanced PIC18 core with hardware stack and 31-level interrupt priority, suitable for applications that mix real-time control with low-power standby. The XLP technology delivers typical sleep currents in the nanoampere range with retention and fast wake-up, allowing battery-powered nodes to spend most of their time asleep. Typical applications include IoT sensor nodes, low-power remote controls, battery-backed instrumentation, home automation controllers, and small motor/signal conditioning front-ends that benefit from CIP-driven hardware state machines. The combination of high peripheral density and code-efficient instruction set makes it well suited for replacing multi-chip discrete designs with a single MCU. A key design consideration is decoupling: place 100 nF and 1 uF ceramics close to the VDD pins and bond the exposed pad (EP) to a continuous ground plane. Use the PPS feature to remap digital peripherals only to PPS-supported I/O, and verify that low-power peripherals are explicitly disabled in active code to fully leverage XLP sleep currents. This page synthesizes distributor pricing, drop-in alternatives and practical design notes beyond the manufacturer datasheet, supporting the designer's selection and qualification process.

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PIC18LF25K40-E/SP

PIC18LF25K40-E/SP - 32KB Flash 8-Bit MCU 28-SPDIP | Microchip

The Microchip PIC18LF25K40-E/SP is a low-power, high-performance 8-bit PIC microcontroller built on the eXtreme Low Power (XLP) platform, featuring 32 KB of program Flash, 2 KB of SRAM, and 256 B of EEPROM in a 28-pin SPDIP (skinny plastic DIP) through-hole package. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, typically used for embedded control where deterministic real-time response, low cost, and low power are more important than raw computational throughput. PIC18F/LF-series MCUs belong to the higher-end 8-bit family from Microchip, sitting above the PIC10/16 base lines and below the 16-bit dsPIC/PIC24 families, and they integrate analog, communication, and Core Independent Peripherals (CIPs) directly on-chip to reduce external component count. Key features include a 16 MIPS execution speed at 64 MHz, an integrated 10-bit ADC with up to 35 channels, a 5-bit DAC, two comparators, 4 hardware PWM/CCP/CWG channels, hardware Windowed Watchdog Timer (WWDT), CRC/SCAN, Zero-Cross Detect (ZCD), and Peripheral Pin Select (PPS) for flexible signal routing. The XLP technology enables nanoWatt deep-sleep currents suitable for battery-powered or energy-harvesting products, while the LF prefix denotes the 1.8-3.6V VDD operating range targeting low-voltage systems. The PIC18LF25K40 uses a Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, providing deterministic instruction timing and a single-cycle hardware multiply. Core Independent Peripherals such as CWG (Complementary Waveform Generator), hardware limit timer (HLT) and CRC/SCAN enable autonomous operation without CPU intervention, reducing firmware complexity and improving system reliability. Typical applications include low-power IoT sensor nodes, battery-powered home automation, industrial control with analog front ends, motor control loops, and any 5V-tolerant design where XLP sleep current is the key selection factor. The 28-SPDIP package is preferred for hand-soldered prototypes, educational platforms, and through-hole industrial modules. When designing with this MCU, ensure that the LF (low-voltage) variant is used only when VDD stays within 1.8-3.6V; for 5V rails select the PIC18F25K40-I/SP variant. Decoupling and PPS configuration should follow the manufacturer datasheet typical application circuit. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the bare manufacturer datasheet.

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PIC18LF25K40-I/SO

PIC18LF25K40-I/SO - 32KB Flash 8-bit MCU, 28-SOIC | Microchip

The Microchip PIC18LF25K40-I/SO is an 8-bit PIC18 microcontroller delivering 64 MHz CPU performance with 32 KB Flash, 2 KB SRAM, and 256 B EEPROM in a 28-pin SOIC package. The "LF" prefix denotes the low-power (F) variant operating from 1.8 V to 3.6 V, and the "K40" family integrates Microchip's eXtreme Low-Power (XLP) technology with 12-bit ADC, 5-/8-bit DAC, CWG, CCP, EUSART, SPI/I2C, and a 32 MHz internal oscillator. Background: An 8-bit microcontroller (MCU) is a single-chip computer optimized for embedded control tasks such as sensor reading, actuator driving, and human-interface handling. The PIC18 family sits at the top of Microchip's 8-bit portfolio, offering an enhanced instruction set, hardware multiply, and large linear memory addressing compared to baseline PIC16 parts. Within the PIC18 taxonomy, the K-series combines the legacy PIC18 core with XLP energy-saving peripherals aimed at battery-powered designs, while the LF sub-family specifically targets sub-3.3 V rails. Key features of the PIC18LF25K40-I/SO include: 64 MHz maximum CPU clock (16 MIPS), 32 KB self-programmable Flash with 100K endurance cycles, 2 KB SRAM, 256 B EEPROM, up to 25 I/O pins, a 12-bit ADC with up to 24 channels, two comparators, two I2C/SPI/EUSART peripherals, one 8-bit DAC and one 5-bit DAC, a Complementary Waveform Generator (CWG), and Zero-Cross Detect. The integrated 32 MHz HFINTOSC eliminates the external crystal in many designs, while XLP modes drop quiescent current into the nanoamp range for sleep-mode duty-cycled applications. Typical applications span consumer white goods, low-cost IoT sensor nodes, battery chargers, motor control loops, LED drivers, and human-interface boards. The wide operating range and rich analog/digital peripheral set make it well suited for mixed-signal designs that previously required an external op-amp or ADC. When designing with this device, pay attention to the LF voltage ceiling (3.6 V absolute maximum) - the non-L PIC18F25K40 must be substituted for any rail above 3.6 V. Decoupling VDD/VSS with at least 100 nF per pair and following the datasheet's analog-ground layout guideline preserves ADC accuracy. This page synthesizes distributor pricing, drop-in alternatives within the PIC18 K40/LF family, and practical design notes that go beyond what the manufacturer datasheet provides.

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PIC18LF25K40-I/SP

PIC18LF25K40-I/SP - 8-bit XLP MCU 32KB Flash 28-SPDIP | Microchip

The Microchip Technology PIC18LF25K40-I/SP is a low-power 8-bit PIC18 microcontroller with 32 KB Flash, 2 KB RAM, and 256 bytes EEPROM, operating up to 64 MHz in a 28-pin SPDIP (300 mil) package. The device integrates eXtreme Low Power (XLP) technology, making it suited for battery-powered and energy-harvesting applications. An 8-bit microcontroller (MCU) is a programmable integrated circuit combining a CPU, memory (Flash/RAM/EEPROM), and peripherals on a single die. The PIC18LF25K40 belongs to the 8-bit MCU -> microcontroller -> embedded controller -> integrated circuit taxonomy, and serves as a general-purpose compute and control element in embedded systems. The "LF" prefix denotes the low-voltage (1.8-3.6V) variant of the K40 family, distinguishing it from the 5V-capable PIC18F25K40. Key features include a C compiler-friendly 8-bit PIC18 CPU with hardware multiply, 25 digital I/O pins, a 10-bit ADC with computation (ADCC) and automated averaging, a 5-bit DAC, two comparators with selectable reference, CWG (Complementary Waveform Generator), 16-bit PWM, multiple EUSART/SPI/I2C peripherals, and a Cyclic Redundancy Check (CRC/SCAN) module for memory integrity. The peripheral pin select (PPS) feature allows flexible remapping of digital peripherals to any I/O pin, simplifying PCB routing in dense designs. The architecture uses a Harvard bus with separate program Flash (16K x 16) and data RAM paths, enabling single-cycle instruction execution at 64 MHz (15.6 ns per instruction). The XLP technology provides deep sleep currents below 50 nA typical and active currents in the microamp range, enabling multi-year battery life in IoT sensor nodes, remote controls, and wearables. Typical applications include low-power IoT sensor nodes, consumer electronics human-interface devices, HVAC and building automation controllers, battery-powered industrial sensors, and small home appliances. The wide peripheral set, plus the 28-SPDIP through-hole footprint, makes it well suited for hobbyist, prototype, and legacy-replacement designs that prefer socketed or hand-solderable packages. When designing with this device, ensure the supply voltage stays within 1.8 V to 3.6 V (LF variant); use the PPS feature to map peripherals only to PPS-capable pins. A 0.1 uF decoupling capacitor placed within 5 mm of each VDD/VSS pair is recommended to maintain ADC SNR. For sleep current optimization, disable unused peripherals via PMD registers before entering Sleep. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF25K40-I/SS

PIC18LF25K40-I/SS - 32KB Flash XLP 8-bit MCU | Microchip

The Microchip Technology PIC18LF25K40-I/SS is a low-power, high-performance 8-bit PIC18 microcontroller featuring 32 KB Flash program memory, 2 KB SRAM, and a 64 MHz internal oscillator, housed in a 28-pin SSOP (SS) package. The LF variant supports an operating voltage range of 1.8V to 3.6V, making it optimized for battery-powered and energy-harvesting applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals on one silicon die. PIC18 microcontrollers use Microchip's enhanced RISC architecture with a 16-bit instruction set, sitting above baseline PIC and PIC70 devices in performance while remaining lower-cost than PIC32 or ARM Cortex-M parts. The PIC18LF25K40 specifically adds eXtreme Low-Power (XLP) technology, which is critical for sleep-current–limited designs. Key features include 25 I/O pins, 10-bit ADC with Computation (ADCC) supporting Capacitive Voltage Divider (CVD) touch sensing, multiple Core Independent Peripherals (CIPs) such as CWG, WWDT, CRC, and SMT, plus communication interfaces including UART, SPI, and I2C. The device supports in-circuit debugging via ICD and offers nanoWatt XLP sleep currents below 50 nA typical in Sleep mode with retention. Typical applications include capacitive touch user controls, IoT sensor nodes, battery-powered consumer electronics, low-power remote controls, and small industrial sensor modules. The wide peripheral set and 1.8V minimum VDD enable direct operation from a single lithium coin cell. When designing with this part, ensure decoupling capacitors are placed within 5 mm of VDD/AVDD/VSS/AVSS, and verify configuration bit settings in MPLAB X before code generation. The 28-SSOP footprint allows hand-soldering and is footprint-compatible with the PIC18F25K40, PIC18LF24K40, and PIC18F24K40 variants on the same PCB layout.

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PIC18LF25K40-E/SP - 32KB Flash 8-Bit MCU 28-SPDIP | Microchip

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PIC18LF25K40-I/SP - 8-bit XLP MCU 32KB Flash 28-SPDIP | Microchip

PIC18LF25K40-I/SS - 32KB Flash XLP 8-bit MCU | Microchip