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PIC18F2585-I/SP - 8-bit 40MHz MCU 48KB Flash ECAN DIP-28
PIC18F2585-I/SP

PIC18F2585-I/SP - 8-bit 40MHz MCU 48KB Flash ECAN DIP-28

The Microchip Technology PIC18F2585-I/SP is an 8-bit PIC18F-family CMOS flash microcontroller delivering 48KB (24K x 16) of on-chip program memory, 3.25KB of RAM, and an integrated ECAN (Enhanced Controller Area Network) module, housed in a 28-pin SPDIP (0.300 inch, 7.62mm) through-hole package. It executes instructions at 40MHz (10 MIPS) from a Harvard RISC architecture and includes an integrated 10-bit ADC, nanoWatt power management, and 3328 bytes of data RAM. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, and peripheral interfaces around an 8-bit data bus. Within the semiconductor hierarchy, MCUs sit inside the broader Integrated Circuits category; PIC18F parts belong to Microchip's PIC18 advanced-performance 8-bit family, which is widely used in CAN-bus, industrial-control, and embedded-sensing designs where deterministic interrupt response and low power are required. Key features include 48KB flash program memory with self-programmability, 3328 bytes of SRAM, 256 bytes of EEPROM, a 10-bit ADC with up to 11 channels, two enhanced USART modules, two MSSP (SPI/I2C) modules, the ECAN module compliant with CAN 2.0B active, four timer modules, two PWM/CCP modules, and nanoWatt power-saving modes. Operating voltage spans 2.0V to 5.5V with industrial -40C to +85C temperature range. The device uses Microchip's enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, providing up to 10 MIPS throughput while retaining the PIC instruction-set compatibility for code reuse. The ECAN peripheral supports standard and extended identifiers plus advanced filtering, reducing host CPU overhead in networked sensor and motor-control designs. Typical applications include automotive body and comfort ECAN nodes, industrial CAN-bus distributed I/O, building automation gateways, sensor and instrumentation nodes with on-board ADC, and low-power remote controls. The wide 2.0V to 5.5V input range simplifies battery-backed designs and 5V industrial buses. When designing with this MCU, ensure the ICSP clock and data lines are properly isolated from application circuitry; also budget for an external CAN transceiver since the ECAN peripheral implements only the protocol layer. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC18F2480/PIC18F2580 family, and practical design notes not consolidated in the manufacturer datasheet.

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PIC18F258T-I/SOG - 8-bit 40MHz 32KB Flash MCU w/ CAN | Microchip
PIC18F258T-I/SOG

PIC18F258T-I/SOG - 8-bit 40MHz 32KB Flash MCU w/ CAN | Microchip

The Microchip PIC18F258T-I/SOG is an 8-bit PIC microcontroller from the PIC18F family featuring an integrated CAN (Controller Area Network) module, 32KB of Flash program memory organized as 16K x 16, and a maximum CPU clock speed of 40 MHz. It is housed in a 28-pin SOIC (SO) wide-body package (0.295" / 7.50mm width) and operates across the industrial temperature range of -40°C to +85°C. Background knowledge: A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and a rich set of peripheral interfaces such as timers, ADC, communication ports (UART, SPI, I2C), and, in this case, a CAN controller. The PIC18F family is Microchip's high-performance 8-bit architecture using a 16-bit instruction word and 8-bit data path, with a hardware multiplier and C-friendly architecture designed for embedded control applications. MCUs sit at the top of the embedded hierarchy: MCU -> microprocessor -> semiconductor -> integrated circuit. Key features of the PIC18F258 include 32KB Flash / 1.5KB RAM / 256 bytes EEPROM, an integrated CAN 2.0B controller with bus mastering capability, 10-bit ADC with up to 8 channels, enhanced CCP (Capture/Compare/PWM) modules, a USART with LIN support, MSSP for SPI/I2C, four timers, and 22 I/O pins with high-current sink/source. It supports 5V operation, runs at up to 40 MHz (10 MIPS), and includes nanoWatt power management for low-power designs. Architecturally, the PIC18F258T-I/SOG is built on an enhanced Harvard architecture with separate program and data buses for simultaneous instruction fetch and operand access. The integrated ECAN module provides hardware CAN 2.0B active or passive filtering, multiple buffers, and bit timing flexibility, removing the need for an external CAN controller. The 'T' suffix indicates Tape and Reel packaging; 'I' denotes the industrial temperature grade; 'SO' indicates SOIC-28 wide-body; and 'G' indicates lead-free (Pb-free) terminal finish. Typical applications include automotive body and chassis networks (CAN nodes for window lifters, seat controllers, lighting, sensors), industrial automation nodes, building automation (HVAC controllers, smart thermostats), sensor-actuator bridges, and any cost-sensitive CAN node on a 5V industrial bus. A key design consideration: place the internal CAN transceiver's reference and bus termination (typically 120 Ω at each end of the bus) correctly and ensure the MCU's CANTX/CANRX lines are routed to an external CAN transceiver such as the MCP2551 or MCP2562 - the PIC18F258 only includes the CAN protocol controller, not the physical-layer transceiver. This page synthesizes verified distributor pricing, drop-in alternatives in the same 28-SOIC package, and practical design notes not collected in a single block in the manufacturer datasheet.

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PIC18F25J10-I/SO - 40MHz 8-bit 32KB Flash MCU 28-SOIC | Microchip
PIC18F25J10-I/SO

PIC18F25J10-I/SO - 40MHz 8-bit 32KB Flash MCU 28-SOIC | Microchip

The Microchip Technology PIC18F25J10-I/SO is an 8-bit PIC18 enhanced RISC microcontroller running at up to 40 MHz, integrating 32 KB of Flash program memory, 1 KB of SRAM data memory, and 1024 bytes of emulated EEPROM in a 28-pin SOIC package. It combines a 10 MIPS instruction throughput with a broad set of peripherals including an enhanced USART with LIN master/slave support, two MSSP modules that handle I2C with address masking and SPI, a 10-bit ADC with up to 11 channels, and capture/compare/PWM timers, making it suitable for cost-sensitive general-purpose embedded designs. The -I suffix denotes an industrial temperature grade of -40C to +85C, and the /SO suffix indicates the 7.50 mm wide 28-SOIC gull-wing surface-mount package. Background: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a peripheral set around a Harvard or von Neumann bus. Within the embedded hierarchy, an 8-bit MCU sits below 32-bit Cortex-M cores in raw performance but above bare metal state machines in software flexibility. PIC18 devices are Microchip's enhanced 8-bit family, characterized by 16-bit wide instructions, hardware multiplier, linear SRAM addressing, and C-optimized architecture, making them a popular choice for cost-sensitive consumer, industrial, and automotive-body applications. Key features of the PIC18F25J10 include 32 KB self-programmable Flash with 1 k endurance, 1 KB SRAM, an emulated 1024-byte EEPROM, four timer modules (Timer0/1/2/3), two analog comparators, and a 10-bit ADC. The device supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) over two pins, removing the need for a separate bootloader IC and shortening time-to-prototype. The wide 2.0V-3.6V core supply is paired with a separate 4.2V-5.5V I/O rail typical of J-series PIC18 parts, allowing direct interfacing with 5V peripherals without level shifters. From a technical-design perspective, the device uses a 2-stage instruction pipeline with a single-cycle ALU access except for branch and table-read instructions, achieving 10 MIPS at 40 MHz. The PIC18F25J10 is part of the NanoWatt XLP family extensions of the J-series, offering low sleep currents suited to battery-friendly applications. The enhanced USART auto-baud detection simplifies LIN bus master implementation; the MSSP address-masking feature reduces code overhead for multi-slave I2C networks. Typical applications for the PIC18F25J10-I/SO include home appliance control panels, sensor signal-conditioning nodes, low-end motor-control BLDC/PMSM driver boards, industrial sensor hubs, USB-to-UART bridges with logic-level conversion, and LIN-bus slave nodes in automotive body electronics. The 28-SOIC footprint is widely supported by hand-soldering, prototype perfboard, and low-cost pick-and-place lines. A key design consideration is the split-rail nature of the J-series: VDDCORE (pin 20) and VDDIO (pin 28) must be powered within their respective ranges, and a 100 nF decoupling cap on each is mandatory. Designers migrating from older F-series PIC18 parts must verify the I/O voltage tolerance, since J-series I/O pins are 5V-tolerant only when VDDIO exceeds 4.5 V. This page synthesizes distributor pricing, pin-to-pin drop-in alternatives within the PIC18 family, and PCB layout guidance that goes beyond a single manufacturer datasheet.

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PIC18F25J10-I/SP - 8-Bit 40MHz MCU 32KB Flash 28-SPDIP | Microchip
PIC18F25J10-I/SP

PIC18F25J10-I/SP - 8-Bit 40MHz MCU 32KB Flash 28-SPDIP | Microchip

The Microchip Technology PIC18F25J10-I/SP is an 8-bit PIC18J-series RISC microcontroller running up to 40MHz, integrating 32KB of Flash program memory (16K x 16) and 1,024 bytes of SRAM in a 28-pin SPDIP through-hole package. It belongs to Microchip's nanoWatt Technology family, providing flexible power management for cost-sensitive embedded designs. What is an 8-bit microcontroller? An 8-bit microcontroller is a small computer-on-a-chip that processes data in 8-bit chunks and integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a rich set of peripherals (timers, ADC, communication ports) on a single silicon die. Microcontrollers sit at the lowest tier of the embedded computing hierarchy and are the standard solution for control-oriented tasks where deterministic response, low cost, and low power consumption outweigh raw computational throughput. Key features of the PIC18F25J10-I/SP include an enhanced USART with LIN bus master capability, two Master Synchronous Serial Ports (MSSPs) supporting SPI and I2C (with address masking for I2C), an analog 10-bit ADC, multiple 8/16-bit timers, and on-chip emulated EEPROM using Flash endurance of 1,000 cycles. The instruction set is an enhanced Harvard RISC architecture with a single 4-cycle instruction word and hardware multiplier, allowing the part to deliver up to 10 MIPS at 40MHz. The device operates from 2.0V to 3.6V across an industrial -40C to +85C temperature range and supports both an external crystal/clock and internal oscillator configurations. The "I" suffix denotes the industrial temperature grade, and "/SP" indicates the 28-pin SPDIP package, ideal for through-hole prototyping and legacy designs. Typical applications include consumer appliances, low-cost industrial controllers, sensor signal conditioning hubs, automotive body and interior nodes, and USB-less communication bridges. The on-chip LIN-capable USART and I2C address masking make the part especially attractive for automotive sub-networks and multi-slave sensor chains. When designing with this device, ensure your supply rail stays within 2.0V-3.6V and your clock source is correctly configured for the desired speed grade. Take advantage of nanoWatt modes (Sleep, Idle, Doze) to reduce quiescent current in battery-powered nodes. This page synthesizes distributor pricing, pin-compatible PIC18 family drop-in alternatives, and practical design guidance drawn from Microchip's PIC18F25J10 family datasheet and reference designs.

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PIC18F25J10-I/SS - 8-bit 40MHz 32KB Flash MCU 28-SSOP | Microchip
PIC18F25J10-I/SS

PIC18F25J10-I/SS - 8-bit 40MHz 32KB Flash MCU 28-SSOP | Microchip

The Microchip Technology PIC18F25J10-I/SS is an 8-bit PIC18J RISC microcontroller running at 40 MHz, delivering 32 KB of Flash program memory and 1 KB of RAM in a 28-pin SSOP package. It is part of the PIC18F2XJ10 family of high-performance, low-cost general-purpose microcontrollers designed for cost-sensitive applications. Key features include 25 I/O pins, a 10-bit ADC with up to 10 channels, two analog comparators, two synchronous serial ports (I2C with address masking), an enhanced USART with LIN master/slave capability, and two CCP/ECCP modules. The device operates from 4.2 V to 5.5 V and supports industrial temperature range -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program, SRAM for data, EEPROM for non-volatile storage), and peripheral interfaces (ADC, timers, communication ports). PIC18J series MCUs use Microchip's enhanced Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, executing most instructions in a single cycle (4-clock). The PIC18F25J10 family specifically uses emulated EEPROM (1,000,000 erase/write cycle endurance) rather than dedicated EEPROM cells, reducing die cost while still providing non-volatile data storage. The device includes a self-programmable Flash with 1 k erase/write cycle endurance, ICD (In-Circuit Debugger) support via two dedicated pins, and nanoWatt power management features including multiple idle and sleep modes. It supports an external crystal/oscillator up to 40 MHz, with an internal 8 MHz RC oscillator and 31 kHz secondary oscillator for low-power operation. The enhanced USART supports RS-232, RS-485, and LIN 1.2/1.3/2.0 protocols, while the MSSP peripherals support both SPI and I2C (master/slave) operation with address masking for multi-device I2C buses. Typical applications include industrial control (sensor interfaces, motor drive logic, simple PLCs), consumer electronics (small appliances, white goods control boards), automotive body electronics (LIN nodes, HVAC controls, lighting modules), USB-to-UART bridges (when paired with an external USB transceiver), and embedded sensing platforms requiring robust 5 V tolerance. The 5 V I/O tolerance and wide 4.2-5.5 V supply range make it suitable for both 5 V legacy systems and 3.3 V designs when properly level-shifted. When designing with this MCU, ensure the configuration bits match the application (oscillator selection, watchdog timer, code protection, brown-out reset voltage). The emulated EEPROM requires the user to reserve one Flash page (1,024 bytes) and manage wear-leveling manually; do not assume byte-level EEPROM endurance. For LIN applications, the enhanced USART's automatic baud-rate detection simplifies master node firmware, but the LIN physical layer transceiver (e.g., MCP2003) is still required externally. This page synthesizes distributor pricing, drop-in compatible alternatives within the PIC18F2XJ10 family, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F25J10T-I/ML - 8-bit 40MHz PIC18J MCU 32KB Flash | Microchip
PIC18F25J10T-I/ML

PIC18F25J10T-I/ML - 8-bit 40MHz PIC18J MCU 32KB Flash | Microchip

The Microchip PIC18F25J10T-I/ML is an 8-bit PIC18J-family RISC microcontroller running at 40 MHz, integrating 32 KB (16K x 16) of Flash program memory, 1024 bytes of SRAM, and a 28-pin 6x6 mm QFN package with an exposed thermal pad. Tape-and-reel packaging (-T/ML suffix) supports high-volume SMT assembly lines. Operating from 2.0V to 3.6V (with 2.5V/3.3V typical operation per the part description), it includes an enhanced USART with LIN master/slave support, two I2C/SPI synchronous serial ports with hardware address masking, a 10-bit ADC, and nanoWatt power management for sleep modes below 100 nA. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory (Flash/ROM), data memory (RAM), and programmable peripherals such as timers, communication interfaces, and analog-to-digital converters. PIC microcontrollers from Microchip use a RISC-based Harvard architecture where program and data buses are separated, allowing instruction fetch and operand access to occur in the same cycle. The 8-bit PIC18 family extends the baseline PIC16 architecture with a 16-bit instruction word, linear data memory, and C-friendly pointer/index addressing, enabling efficient C-compiled code while retaining deterministic interrupt latency. Key features of the PIC18F25J10T-I/ML include 32 KB self-programmable Flash, 1024-byte SRAM, 256-byte EEPROM emulation, an enhanced USART supporting LIN, and two MSSP peripherals configurable for I2C (with hardware address masking) or SPI. The 10-bit A/D converter with up to 13 channels and the nanoWatt technology power-saving modes enable battery-friendly designs. The wide operating voltage range (2.0-3.6V) and industrial temperature grade (-40C to +85C) make the part suitable for both consumer and harsh-environment systems. The PIC18J core uses an 8-bit data path with a 16-bit instruction word and a 2-stage pipeline, achieving 10 MIPS at 40 MHz clock. Instruction execution is single-cycle except for program branches (2 cycles). Harvard architecture separates program and data memory buses, allowing simultaneous access and eliminating the von Neumann bottleneck. The integrated peripherals (USART, MSSP, ADC, comparators, timers) are mapped to SFRs and configured by firmware, providing a flexible programmable platform. Typical applications include automotive LIN-bus nodes, USB-to-UART bridges, low-cost sensor hubs, industrial control with RS-485/Modbus, LED lighting controllers, and small appliance controls. The small 6x6 mm QFN footprint and -40C to +85C temperature range also extend the electronics pedigree into space-constrained and thermally harsh industrial modules. When designing with this device, note that 3.3V is the typical operating voltage; verify absolute maximum VDD of 3.6V. The QFN exposed pad must be soldered to the ground plane for thermal dissipation and electrical performance. Use MPLAB X IDE with XC8 compiler for code development. This page synthesizes DigiKey and Mouser distributor pricing, parametric comparison against same-family and cross-brand drop-in alternatives, and practical PCB-layout design notes not collated in any single manufacturer document.

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PIC18F25J10T-I/SO - 40MHz 8-bit MCU, 32KB Flash, 28-SOIC | Microchip
PIC18F25J10T-I/SO

PIC18F25J10T-I/SO - 40MHz 8-bit MCU, 32KB Flash, 28-SOIC | Microchip

The Microchip Technology PIC18F25J10T-I/SO is an 8-bit RISC microcontroller in the PIC18J family, operating at up to 40 MHz from a 2.0 V to 3.6 V supply and integrating 32 KB (16K x 16) of Flash program memory with 1 KB of RAM in a 28-pin SOIC package. The T suffix denotes Tape & Reel packaging and the I suffix denotes the industrial -40C to +85C operating temperature range, while the SO suffix indicates the 300-mil 28-SOIC outline. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and peripherals. The PIC18F family is Microchip's high-performance 8-bit family using an enhanced Harvard architecture with 16-bit instructions and an 8-bit data path, positioned between baseline PIC10/12/16 parts and the 16-bit dsPIC/PIC24 families in Microchip's portfolio. PIC18J-series devices specifically target low-cost, low-power designs with nanoWatt Technology for sleep-mode current reduction. Key features of the PIC18F25J10 include an enhanced USART with LIN master/slave support, two MSSP (Master Synchronous Serial Port) modules capable of SPI and I2C (including 10-bit address masking), two analog comparators, a 10-bit ADC with up to 10 channels, and four 16-bit timers plus two CCP/ECCP modules. The 40 MHz oscillator delivers 10 MIPS throughput, sufficient for LIN-bus handling, half-duplex UART bridging, and basic motor control loops. Architecturally, the device uses a modified Harvard core with separate program and data buses, a 31-level hardware stack, and hardware multiplier (8x8 in one cycle). The Flash program memory supports self-programming under firmware control, and the ICSP (In-Circuit Serial Programming) interface uses RB6/RB7 to enable in-field firmware updates without removing the MCU from the board. Typical applications include LIN-bus automotive body modules, sensor interfaces with I2C peripherals, low-cost consumer appliances, white-goods control boards, and industrial sensor hubs. The wide peripheral set (EUSART, 2x MSSP, ADC, comparators) lets one chip replace several discrete components in cost-sensitive designs. When designing, configure unused I/O pins as outputs or tie them to defined logic levels to minimize supply current. The MSSP modules share pins with digital I/O, so designers should reserve buffer capacity when both I2C buses are enabled simultaneously. This page synthesizes distributor pricing, drop-in alternatives from the PIC18F2xJ10 family, and practical design guidance not collated on any single manufacturer or distributor page.

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PIC18F25J10T-I/SS - 8-Bit 40MHz 32KB Flash MCU | Microchip
PIC18F25J10T-I/SS

PIC18F25J10T-I/SS - 8-Bit 40MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25J10T-I/SS is an 8-bit PIC18J RISC microcontroller delivering 40 MHz CPU performance from a 32 KB (16K x 16) Flash program memory in a 28-pin SSOP package. It integrates 1 KB SRAM, 21 digital I/O lines, two comparators, two PWM channels and five timer modules, while supporting an industrial operating temperature range of -40 C to +85 C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, peripherals and I/O on one IC. RISC (Reduced Instruction Set Computer) MCUs like the PIC18J family use a streamlined instruction set that allows most instructions to execute in a single clock cycle, achieving high throughput at modest clock rates. Within Microchip's taxonomy this places the PIC18F25J10T-I/SS under 8-bit microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. Key features of this part include an enhanced USART with LIN master/slave capability, two MSSP (Master Synchronous Serial Port) peripherals that operate as I2C (with hardware address masking) or SPI, a 10-bit ADC with up to 10 channels, an internal 8 MHz oscillator and a wide 2.7 V to 3.6 V supply range. The Flash memory supports self-programming under firmware control, enabling in-application upgrades without external programming hardware. The device is built on a CMOS process and targets low-cost, high-throughput applications where serial connectivity is essential. Its peripheral mix is intentionally lean: the two MSSP blocks and the EUSART give designers three independent serial buses simultaneously - useful for bridged or networked embedded nodes. Typical applications include industrial sensor nodes, automotive body and LIN-bus subsystems, consumer appliance controllers, USB-to-UART bridges and low-cost graphical user-interface panels. Designers also choose it for general-purpose embedded control where a 32 KB program budget is sufficient. When designing with this part, allocate the I/O bank carefully because SSOP-28 pins are shared between analog inputs, oscillator functions and digital I/O. Configure the PPS (Peripheral Pin Select) mapping during firmware bring-up to avoid bus conflicts, and respect the 3.6 V absolute maximum on VDD to avoid latch-up in hot-plug scenarios. This page synthesizes verified distributor pricing, drop-in same-package alternatives and practical design notes not found in the manufacturer datasheet, giving engineers a one-stop resource for selecting, sourcing and laying out the PIC18F25J10T-I/SS.

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PIC18F25J11-I/ML - 8-bit 48MHz 32KB Flash MCU | Microchip
PIC18F25J11-I/ML

PIC18F25J11-I/ML - 8-bit 48MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F25J11-I/ML is an 8-bit PIC18J-series microcontroller running up to 48 MHz internal clock, delivering 12 MIPS throughput, with 32 KB Flash program memory and 4 KB RAM, housed in a 28-pin QFN (ML) 6x6 mm package. The "I" suffix indicates the industrial operating temperature grade of -40C to +85C, and the part belongs to the nanoWatt XLP extreme-low-power family with deep-sleep current in the nanoampere range. A PIC microcontroller is a programmable embedded processor that combines a CPU core, non-volatile Flash program memory, volatile SRAM data memory, and a wide range of on-chip peripherals (ADC, timers, UART, SPI, I2C, PWM) into a single IC. PIC18 J-series parts specifically add Peripheral Pin Select (PPS), allowing digital peripherals to be remapped to almost any I/O pin, which simplifies PCB routing and enables compact designs in small packages. Within the PIC taxonomy, the PIC18F25J11 sits in the mid-range 8-bit family: PIC -> 8-bit MCU -> PIC18 -> PIC18J -> PIC18F25Jxx sub-family. Key features include 32 KB self-programmable Flash, 4 KB SRAM, 256 bytes of EEPROM, a 10-bit ADC with up to 10 channels, two analog comparators, two CCP/ECCP modules, two MSSP (SPI/I2C) ports, two Enhanced USART ports, two 8-bit and three 16-bit timers, and a 4x PLL allowing the 48 MHz core to run from a low-frequency external crystal. The nanoWatt XLP technology enables deep-sleep currents below 1 uA, and Peripheral Pin Select adds routing flexibility. Technically, the PIC18F25J11 uses a 16-bit modified-Harvard architecture with a 16-bit instruction word and 8-bit data path, achieving C-compiler-friendly performance for embedded control loops. The wide operating voltage range of 2.0V to 3.6V makes it ideal for battery-powered designs, while PPS, DMA-style peripheral remap, and on-chip capacitive touch support reduce external component count. Typical applications include low-cost consumer appliances, battery-powered sensor nodes, USB device controllers, white goods and HVAC controls, motor control with back-EMF sensing, lighting controllers, and human-machine interface panels. Engineers also use this part as a low-power MCU in IoT edge nodes and wearable electronics thanks to the deep-sleep mode. When designing with this part, pay attention to the 2.0V-3.6V Vdd range (not 5V tolerant), place a 100 nF decoupling capacitor on each Vdd pin as close as possible, and ensure the MCLR pull-up is correctly biased. For code development, use MPLAB X IDE with the XC8 compiler. This page consolidates verified distributor pricing, drop-in alternatives, and engineering design notes that are not readily available on a single manufacturer or distributor page.

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PIC18F25J11-I/SP - 32KB Flash 8-bit MCU | Microchip | 48MHz
PIC18F25J11-I/SP

PIC18F25J11-I/SP - 32KB Flash 8-bit MCU | Microchip | 48MHz

The Microchip Technology PIC18F25J11-I/SP is a 8-bit PIC18J-series flash microcontroller (MCU) with 32KB program memory and 48 MHz (12 MIPS) performance, housed in a 28-pin SPDIP (SP) package. It is part of the PIC18 J-series low-power, high-performance nanoWatt XLP family and provides 32KB flash, 3.7KB RAM, 256B EEPROM, and 25 I/O pins in the standard 28-pin DIP footprint. What is a PIC18 microcontroller? A PIC18 is an 8-bit RISC microcontroller from Microchip Technology belonging to the PIC (Peripheral Interface Controller) family, executing most instructions in a single clock cycle. It sits within the broader hierarchy: 8-bit microcontroller -> RISC MCU -> embedded controller -> semiconductor IC, and is widely used for cost-sensitive embedded designs that demand low power, flexible peripherals, and easy in-circuit reprogrammability. Key features include 48 MHz operation (12 MIPS throughput), 32KB self-programmable flash program memory, 3.7KB SRAM, 256 bytes of EEPROM, nanoWatt XLP power-saving technology with a deep-sleep mode, and Peripheral Pin Select (PPS) for flexible I/O remapping. Additional peripherals include 2x UART, 2x SPI, 2x I2C, a 10-bit ADC with up to 10 channels, multiple timers, and a 2-channel Capture/Compare/PWM (CCP) module. The 25 digital I/O lines support capacitive touch sensing via the CTMU module. Technically, the PIC18F25J11 uses a 16-bit modified Harvard architecture with an 8-bit data path, allowing C-compiler-efficient operation. Its on-chip 3.3V regulator enables single-supply 2.0V-3.6V operation, while the wide 2.0V-3.6V core voltage (4.2V-5.5V I/O per the datasheet) makes it suitable for both 3.3V and 5V tolerant mixed-signal designs. PPS gives designers the freedom to remap peripheral signals to almost any I/O pin, simplifying PCB routing in space-constrained layouts. Typical applications include low-power sensor nodes, USB HID interfaces, consumer appliance control, industrial sensor conditioning, and battery-powered remote controls. The 28-pin SPDIP package also makes the part ideal for educational and hobbyist prototyping on breadboards and through-hole prototype PCBs. Design considerations: when targeting deep sleep, configure the DS function through the legacy register set rather than newer PPS-based peripherals. Always observe the maximum 48 MHz peripheral clock and derate the I/O pin current to 25 mA per pin / 200 mA per port. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from Microchip's PIC18 J-family, and practical design notes not found in the manufacturer datasheet.

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PIC18F25J11-I/SS - 8-bit 48MHz 32KB Flash MCU 28-SSOP | Microchip
PIC18F25J11-I/SS

PIC18F25J11-I/SS - 8-bit 48MHz 32KB Flash MCU 28-SSOP | Microchip

The Microchip PIC18F25J11-I/SS is an 8-bit PIC18 J-series microcontroller built on a RISC architecture, offering up to 16 MIPS of processing power at 48 MHz internal clock, housed in a 28-pin SSOP package. It integrates 32 KB of Flash program memory (16K x 16), 3.8 KB of RAM, and a 10-bit ADC with up to 10 channels, making it a strong fit for cost-sensitive embedded designs that still require analog and digital peripheral flexibility. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, Flash program memory, and peripherals (ADC, timers, communication ports) into one IC. In the broader taxonomy, the PIC18F25J11 belongs to the hierarchy: microcontroller -> 8-bit MCU -> PIC18 family -> PIC18 J-series -> XLP nanoWatt XLP extreme low power sub-family. The J-series is Microchip's low-power, high-performance branch of the PIC18 line, designed to bring 16 MIPS throughput to portable and battery-driven applications while keeping active current draw in the milliamp range. Key features include Peripheral Pin Select (PPS), which allows remapping of digital peripherals to any I/O pin, dramatically simplifying PCB layout; nanoWatt XLP technology with deep-sleep currents measured in nanoamps; and on-chip 2.5V and 3.3V voltage regulator options that allow single-rail 2.5-3.6V operation or 5V (4.2-5.5V) operation depending on the configuration. The device also integrates multiple communication peripherals (EUSART, SPI, I2C), comparators, PWM modules, and a CTMU for capacitive touch sensing. The 28-SSOP form factor keeps the design surface-mount and compact, suitable for both hand-soldered prototypes and high-volume SMT assembly. Technically, the PIC18F25J11 combines the classic PIC18 instruction set with enhanced peripherals such as the RTCC (Real-Time Clock/Calendar) and extended watchdog timer. The PPS subsystem distinguishes the J-series from earlier PIC18F devices, where peripheral-to-pin mapping was hard-wired. Designers moving from older PIC18F parts gain significant board-routing flexibility, often eliminating the need for trace-layer changes when relocating peripherals. Typical applications include USB Human Interface Devices (HID) such as keyboards and mice, low-power sensor nodes with battery or energy-harvesting supplies, industrial control front-ends, consumer appliances with capacitive touch panels, and portable medical peripherals where nanoWatt XLP deep-sleep currents extend battery life into the year range. The wide operating voltage window (2.0-3.6V F-core / 4.2-5.5V HF-core) lets the same part serve both 3.3V and 5V rails. When designing with this MCU, pay close attention to the configuration bits that select between 2.5V regulator mode (F-core, 2.0-3.6V) and 5V regulator mode (HF-core, 4.2-5.5V). Choosing the wrong mode will prevent the part from running reliably at the intended rail. Also reserve adequate Flash endurance budget; PIC18F25J11 Flash is rated for a minimum of 10,000 erase/write cycles per block.

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PIC18F25J11T-I/ML - 32KB Flash 8-bit MCU 48MHz | Microchip
PIC18F25J11T-I/ML

PIC18F25J11T-I/ML - 32KB Flash 8-bit MCU 48MHz | Microchip

The Microchip Technology PIC18F25J11T-I/ML is an 8-bit PIC18J-series microcontroller featuring 32KB (16K x 16) of Flash program memory, 4KB of RAM, and a 48MHz (12 MIPS) enhanced Harvard architecture CPU core, housed in a 28-pin QFN (6x6 mm) package with an exposed thermal pad. It operates from a 2.0V to 3.6V supply (per Microchip datasheet DS39931B) and integrates 25 I/O pins, two USART, two MSSP (SPI/I2C), one Enhanced USB 2.0 (full-speed), 10-bit ADC, and nanoWatt XLP deep-sleep power management. A PIC18F microcontroller belongs to the 8-bit MCU family from Microchip, which combines a RISC instruction set with a Harvard memory architecture to deliver deterministic, low-power embedded control. The PIC18J sub-family adds Peripheral Pin Select (PPS) for flexible signal routing and Deep Sleep mode with RTCC for sub-uA standby current, making it the bridge between classic PIC16 designs and the higher-tier PIC24/dsPIC controllers. PIC18F MCUs are widely used in cost-sensitive consumer, industrial, and USB-enabled embedded products. Key differentiating features of the PIC18F25J11 include 4.17uV-class noise tolerance on analog rails (via the dedicated analog supply pins), 12 MIPS throughput at 48MHz internal oscillator, two analog comparators with programmable reference, and a Charge Time Measurement Unit (CTMU) for capacitive touch or precise timing. The PPS block remaps digital peripherals to almost any I/O, drastically simplifying PCB routing when a feature is added or removed late in the design cycle. Typical applications for the PIC18F25J11T-I/ML include USB HID/MIDI peripherals, sensor conditioning nodes, low-power remote controls, capacitive-touch user interfaces, and small-form-factor industrial controllers. The exposed-pad QFN-28 package improves thermal dissipation and frees board area compared with the SOIC-28 variant, which is useful when USB or analog subsystems share the same PCB. When designing with this part, use the QFN-28 land geometry exactly per Microchip IPC-7351 land pattern recommendations; the exposed pad MUST be soldered to the ground plane for electrical and thermal performance. MPLAB X IDE with the XC8 compiler and the PICkit 3/4 or Snap debugger are the recommended toolchain for firmware development and in-circuit programming. This page synthesizes distributor pricing (DigiKey, Mouser, LCSC, JLCPCB), drop-in 28-QFN alternatives from the PIC18F family, and practical PCB/toolchain notes that are not consolidated in any single manufacturer document.

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PIC18F25J11T-I/SS - 32KB Flash 8-bit MCU 48MHz | Microchip
PIC18F25J11T-I/SS

PIC18F25J11T-I/SS - 32KB Flash 8-bit MCU 48MHz | Microchip

The Microchip Technology PIC18F25J11T-I/SS is an 8-bit PIC18 RISC microcontroller with 32KB of Flash program memory, 4KB of RAM, and a 48 MHz maximum operating frequency delivering 12 MIPS, housed in a 28-pin SSOP package. It operates from a 2.0V to 3.6V supply and features the nanoWatt XLP (eXtreme Low Power) technology suite, including a Deep Sleep mode that draws nanoamp-level standby current for battery-powered applications. An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals such as timers, communication interfaces, and analog-to-digital converters on a single silicon die. Within the broader taxonomy, an MCU belongs to microcontrollers -> integrated circuits -> semiconductors. The PIC18 family uses a modified Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, optimized for deterministic real-time control while remaining C-friendly through the MPLAB XC8 toolchain. Key features of the PIC18F25J11 include Peripheral Pin Select (PPS), which allows remapping of digital peripheral I/O to almost any general-purpose I/O pin, providing exceptional PCB layout flexibility. The device integrates a 10-bit ADC with up to 10 channels, multiple Enhanced USART, MSSP (SPI/I2C), two analog comparators, and a charge time measurement unit (CTMU) for capacitive touch sensing. The nanoWatt XLP technology typically achieves less than 20 nA Deep Sleep current and sub-microamp Run/Idle currents, enabling years of operation on a single coin cell. Architecturally, the PIC18F25J11 is built on an enhanced flash cell process and shares its core with the wider PIC18 J-series, supporting on-chip debugging via ICD 3 and the MPLAB X IDE. The 28-pin SSOP (Small Shrink Outline Package, 5.30 mm body width) is a low-profile surface-mount variant suited to compact board layouts where SOIC-28 footprint is too tall. Typical applications include low-power IoT sensor nodes, battery-backed telemetry, USB-to-UART bridges using the on-chip USART, capacitive touch user interfaces (CTMU), portable medical devices, and consumer white goods. The combination of low cost, 12 MIPS throughput, and nanoamp standby makes the part particularly attractive for cost-sensitive edge nodes. When designing with this device, ensure decoupling capacitors of at least 100 nF are placed within 5 mm of each VDD pin, and consider the PPS configuration carefully because misassignment can lock out debug or programming access to the ICSP pins. This page synthesizes distributor pricing, drop-in SSOP alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F25J50-I/ML - 48MHz 8-bit MCU, USB 2.0, 32KB Flash | Microchip
PIC18F25J50-I/ML

PIC18F25J50-I/ML - 48MHz 8-bit MCU, USB 2.0, 32KB Flash | Microchip

The Microchip Technology PIC18F25J50-I/ML is a high-performance 8-bit PIC18J-series flash microcontroller with integrated full-speed USB 2.0, 32 KB of program flash, and 28 KB of in-circuit self-programmable memory, housed in a 28-pin QFN (ML) package with exposed thermal pad. Operating at up to 48 MHz from a 2.0–3.6 V supply, it delivers 16 MIPS while consuming nanoWatt-class deep-sleep currents. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, RAM, program memory, and peripherals on one die. The PIC18 family uses Microchip's enhanced Harvard RISC architecture with 16-bit opcodes and 8-bit data, placing this part in the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> integrated circuit. The "J" suffix indicates a 3.3 V-only family with deep-sleep nanoWatt technology, distinguishing it from the 5 V-tolerant F-series. The "F" indicates flash program memory, and "50" marks the 48 MHz USB-equipped variant. Key differentiating features of the PIC18F25J50 include the integrated USB 2.0 full-speed (12 Mbps) peripheral with on-chip transceiver, nanoWatt deep-sleep mode drawing under 100 nA, CTMU for capacitive touch and mTouch sensing, and a 10-bit ADC up to 200 ksps. The device exposes 25 digital I/O lines, supports two USART, two MSSP (SPI/I2C) channels, and four timers. With 32 KB flash and 2 KB of general-purpose SRAM, it targets cost-sensitive USB-enabled embedded designs. From a technical perspective, the part uses a 2-stage instruction pipeline with a hardware multiplier and a 32 kHz secondary oscillator for low-power timer operation. The internal 31 kHz and 8 MHz RC oscillators eliminate external crystals in many applications. The ICSP/In-Circuit Serial Programming interface allows field firmware updates without removing the device from the PCB, while IAP supports bootloader development for USB firmware upgrades. Typical applications include USB HID peripherals such as mice, keyboards and game controllers; USB-to-UART bridges and CDC virtual COM ports; capacitive touch (mTouch) user interfaces; portable medical and instrumentation data loggers; and consumer appliances requiring low standby power with USB connectivity. The wide operating range and small QFN-28 footprint suit space-constrained USB dongles. When designing with this MCU, mind the 2.0–3.6 V supply constraint — USB VBUS cannot be tied directly to VDD without a 3.3 V regulator, since USB supplies 5 V. Place the 0.1 µF decoupling capacitor within 5 mm of VDD, reserve D+/D- traces as a 90-ohm differential pair with no stubs, and ensure the internal regulator decoupling capacitor is sized per the datasheet to prevent USB communication errors. This page synthesizes distributor pricing, drop-in PIC18 family alternatives, and practical USB design notes not consolidated on the Microchip product page.

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PIC18F25J50-I/SO - 8-bit USB MCU 48MHz 32KB Flash 28-SOIC
PIC18F25J50-I/SO

PIC18F25J50-I/SO - 8-bit USB MCU 48MHz 32KB Flash 28-SOIC

The Microchip Technology PIC18F25J50-I/SO is a high-performance 8-bit PIC18 XLP microcontroller with integrated full-speed USB 2.0, 32KB of Flash program memory, 4KB of RAM, and 48 MHz (12 MIPS) CPU performance, housed in a 28-pin SOIC (0.3 inch body) package. The -I suffix denotes the industrial temperature grade of -40C to +85C, and the part operates from a 2.0V to 3.6V core VDD supply with 5.5V-tolerant I/O for direct interfacing to USB bus-powered rails and 5V logic. The device targets cost-sensitive embedded applications that need native USB connectivity without an external transceiver. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash), working RAM, peripheral interfaces, and I/O pins. The PIC18 family is Microchip's high-performance 8-bit line, sitting above the PIC16 family in complexity and addressing range. The J-series PIC18FX5J50 family adds native full-speed USB 2.0 peripheral support, making it a popular choice for HID, CDC, and low-bandwidth USB device designs. Within Microchip's catalog, PIC18F25J50 belongs to the broader PIC18J subgroup (3.3V VDD core with 5V tolerant I/O), which is positioned between the legacy PIC18F (5V) family and the newer PIC18F K-series and Q-series devices. Key features include 32KB Flash (16K x 16), 4KB RAM, nanoWatt XLP technology for low-power operation, deep sleep mode, two USART modules, two MSSP (SPI/I2C) modules, 10-bit ADC with up to 13 channels, 10-bit PWM, up to 25 I/O pins, an internal 31 kHz to 8 MHz oscillator, and a 4x PLL for the 48 MHz USB clock. The integrated USB 2.0 full-speed transceiver complies with USB 2.0 specification and supports 12 Mbps operation with on-chip pull-up resistors, eliminating external USB components. Architecture-wise, the PIC18F25J50 uses a RISC-style Harvard architecture with 16-bit instructions and 8-bit data path, a hardware multiplier, and a vectored interrupt controller supporting prioritized interrupts. The 12 MIPS CPU performance comes from the 48 MHz clock feeding the instruction pipeline. The Flash is self-programmable under firmware control, enabling bootloader and field-update use cases. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, USB CDC virtual COM ports, low-power sensor nodes with USB charging, industrial data loggers with USB export, and consumer electronics requiring USB device connectivity. The XLP technology is particularly valuable in battery-powered USB designs where the MCU must draw minimal current during suspend. When designing with this device, mind the dual-voltage architecture: VDD must be in the 2.0V-3.6V range for the core, while most I/O are 5.5V tolerant. The USB bus-powered configuration uses the internal 3.3V regulator derived from VBUS. Place the decoupling capacitors as close as possible to VDD/AVDD/VCAP pins, and follow Microchip's AN947 "USB CDC Virtual COM Port on PIC18F" reference design for bus-powered layouts. This page synthesizes DigiKey and Mouser distributor pricing, Microchip datasheet specifications, and parametric drop-in alternatives from the same PIC18J family, plus practical design notes that go beyond the datasheet's typical application circuits.

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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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