Circuitos Integrados

PIC18F2620-I/SO

PIC18F2620-I/SO - 8-Bit 40MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F2620-I/SO is an 8-bit PIC18 enhanced flash microcontroller delivering up to 10 MIPS performance from a 40 MHz internal oscillator, packaged in a 28-pin SOIC (SO) wide-body IC package with 64KB (32K x 16 words) of self-programmable Flash program memory, 3968 bytes of SRAM, and 256 bytes of EEPROM. According to the Microchip PIC18F2525/2620/4525/4620 datasheet, this industrial-temperature (-40C to +85C) device integrates 25 digital I/O pins, a 10-bit ADC with up to 10 input channels, two analog comparators, two 8-bit timers, three 16-bit timers, a 16-bit capture input, two CCP modules, an enhanced USART with LIN/J2602 support, MSSP supporting SPI and I2C (master/slave), and a parallel slave port. What is a PIC18 microcontroller? A PIC18 microcontroller (MCU) belongs to Microchip's 8-bit RISC architecture family, a category of Harvard-architecture microcontrollers that combine a C compiler-optimized instruction set, single-cycle hardware 8x8 multiplier, and on-chip nanoWatt power management for high-performance embedded control. PIC18 sits within the hierarchy: 8-bit MCU -> PIC microcontroller -> PIC18 family -> PIC18F2x20 sub-family. The nanoWatt technology grants multiple power-managed modes (Run, Idle, Sleep, and deep Sleep with RTCC), making these MCUs the conventional choice for both high-performance and power-sensitive applications. Key features include hardware-multiplier-accelerated C-compiler-friendly architecture, internal oscillator support from 31 kHz to 8 MHz with Fail-Safe Clock Monitor (FSCM), a Watchdog Timer with separate RC oscillator, and on-chip In-Circuit Serial Programming (ICSP) via two pins. The 28-SOIC wide-body footprint gives this part a generous thermal envelope for industrial enclosures where 0.1" pitch DIP is too large but 28-SSOP/TSSOP would be too small. Typical applications include industrial control and sensor conditioning nodes, low-cost consumer appliance controllers, automotive body and comfort modules (LIN/J2602 slaves), USB-to-UART bridge firmware, and battery-powered measurement instruments that benefit from nanoWatt sleep states. When designing, note that the 'I' suffix denotes the industrial temperature grade and 'SO' denotes the wide-body 28-pin SOIC; matching the exact designator is essential when ordering from Microchip authorized distributors.

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PIC18F2620-I/SP

PIC18F2620-I/SP - 8-Bit MCU, 64KB Flash, 40MHz, 28-SPDIP | Microchip

The Microchip Technology PIC18F2620-I/SP is an 8-bit PIC18 microcontroller built on an enhanced RISC architecture, delivering up to 10 MIPS performance at 40 MHz, with 64 KB of Flash program memory and 3968 bytes of SRAM, housed in a 28-pin SPDIP (SP) through-hole package. The part operates from 4.2V to 5.5V and integrates a 10-bit analog-to-digital converter, an enhanced USART, an SPI port, an I2C module, and nanoWatt Technology for power-managed applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals such as timers, communication interfaces, and ADCs into a single package. Within the broader taxonomy, an MCU belongs to the microprocessor family -> microcontroller -> 8-bit MCU -> PIC18 family -> PIC18F2x20 sub-family. The PIC18 core is a C-compiler-optimized RISC engine with a single-cycle hardware multiplier and 8x8 hardware multiplier, enabling deterministic instruction execution useful for real-time control loops. Key features of the PIC18F2620-I/SP include 25 I/O pins, an internal oscillator block supporting 31 kHz to 8 MHz, a Fail-Safe Clock Monitor that allows safe shutdown if the external clock fails, a watchdog timer with its own RC oscillator, and nanoWatt Technology power modes for battery-friendly designs. The 10-bit ADC with up to 10 input channels provides adequate resolution for sensor interfacing, while the ECCP module supports PWM and capture/compare functions for motor-control and lighting applications. Performance analysis: the PIC18F2620 executes most instructions in one cycle (4 oscillator cycles per instruction), yielding 10 MIPS at the 40 MHz maximum clock. This places the PIC18F2620 between the older PIC16 mid-range MCUs (5 MIPS) and the PIC24/dsPIC 16-bit MCUs (up to 40 MIPS), making it well suited for moderate-throughput industrial control. The internal oscillator eliminates external crystal components in cost-sensitive designs, while the Fail-Safe Clock Monitor preserves system integrity during clock-source failures. Typical applications include industrial control and embedded automation, motor control (BLDC, stepper, and small DC drives), metering and measurement devices, IoT edge nodes, low-power remote sensor boards, and consumer-electronic user-interface panels. The through-hole 28-SPDIP package simplifies breadboard-based prototyping and field-serviceable designs. Key design tip: when migrating firmware between PIC18F2620 and PIC18F2525, note that the 2620 variant doubles program Flash and adds peripheral features; verify register maps in the Microchip datasheet family reference manual before porting code. Always place a 100 nF decoupling capacitor within 5 mm of VDD with a short ground return. This page synthesizes live distributor pricing, drop-in pin-compatible PIC18 alternatives, and practical application notes specifically compiled for engineers evaluating the PIC18F2620-I/SP for new designs or migration from the legacy PIC18F2525/4525/4620 family.

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PIC18F2620T-I/SO

PIC18F2620T-I/SO - 8-Bit 40MHz 64KB Flash MCU 28-SOIC | Microchip

The Microchip Technology PIC18F2620T-I/SO is an 8-bit PIC18F-family microcontroller delivering 40 MHz CPU performance with 64 KB (32K x 16) of on-chip Flash program memory in a 28-pin wide-body SOIC package. The 'T' suffix denotes Tape & Reel packaging, and the 'I' suffix indicates the Industrial temperature grade (-40C to +85C). It is part of Microchip's enhanced PIC18 family, which introduces design enhancements aimed at high-performance and power-sensitive applications. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates an 8-bit CPU, program memory (Flash), data memory (RAM and EEPROM), and a rich set of peripheral modules into a single IC. Within the broader semiconductor taxonomy, an MCU belongs to microcontrollers -> microprocessors and controllers -> digital logic ICs -> integrated circuits. The PIC18 architecture implements an enhanced RISC instruction set with 16-bit opcodes, a hardware multiplier, and linear (non-paged) program memory addressing up to 2 MB - significantly more capable than baseline PIC16 devices while retaining the simplicity of the PIC ecosystem. The PIC18F2620 features 3,968 bytes of RAM, 1,024 bytes of EEPROM, 25 digital I/O pins, and a 10-bit ADC with up to 12 channels. It supports a wide supply range of 4.2 V to 5.5 V (with extended 2.0 V operation under specific conditions), making it compatible with 5 V system designs. Communication peripherals include one USB 2.0 (full-speed, low-speed) interface, one SPI, one I2C, and one enhanced USART module. The nanoWatt Technology power-management suite provides multiple idle and sleep modes for low-power applications. The device also includes a 4x hardware PLL for higher clock frequencies and a self-programmable Flash architecture for bootloader-style in-field updates. Architecturally, the PIC18F2620 uses a Harvard architecture with separate program and data buses, enabling simultaneous instruction fetch and operand access - this is the foundation of its single-cycle instruction throughput at 10 MIPS peak. Its 40 MHz oscillator, when multiplied by the internal 4x PLL, can yield an effective 96 MHz instruction clock for high-throughput signal processing tasks. The enhanced 16-level-deep hardware return stack supports deeply nested subroutine calls without software intervention, while the C compiler-friendly architecture simplifies firmware porting from other platforms. Typical applications include USB peripherals, industrial control panels, sensor conditioning front-ends, low-speed data loggers, white goods and appliance control, HVAC controls, automotive body and chassis subsystems (using other automotive-graded variants), and educational embedded platforms where 5 V-tolerant GPIO and a familiar PIC toolchain are preferred. Its combination of USB, ADC, PWM and serial interfaces makes it well-suited as a general-purpose I/O and connectivity hub. When designing with this MCU, ensure the supply voltage stays within 4.2 V to 5.5 V for the full 40 MHz operation; brown-out reset (BOR) thresholds should be configured to match the system rail. Adequate decoupling (100 nF + 10 uF) close to the VDD/VSS pins is recommended to suppress switching noise. The 'T' suffix packaging variant is intended for high-volume automated assembly and does not change the silicon. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F2680-E/SP

PIC18F2680-E/SP - 64KB Flash 8-bit MCU w/ECAN | Microchip

The Microchip Technology PIC18F2680-E/SP is a high-performance 8-bit PIC18F-family flash microcontroller with integrated ECAN (CAN 2.0B active) controller, available in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package with the extended ("-E") -40C to +125C operating temperature grade. It integrates 64KB (32K x 16 words) of self-programmable flash program memory, 3328 bytes of SRAM, and 1024 bytes of data EEPROM, and runs from an internal oscillator up to 25 MHz (40 MHz max on the family), delivering 10 MIPS performance. An 8-bit microcontroller (MCU) is a single-chip computer that combines an 8-bit CPU, program memory (flash/ROM), data memory (RAM), and programmable I/O peripherals on one silicon die. The PIC18 family is Microchip's high-end 8-bit architecture, sitting in the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Compared with 16-bit PIC24/dsPIC and 32-bit PIC32 parts, PIC18 devices offer the simplest toolchain at the lowest cost, while still delivering deterministic interrupt-driven performance and rich peripherals like ECAN, USB, and nanoWatt power management. Key features of the PIC18F2680-E/SP include 25 digital I/O pins, one enhanced USART with LIN support, one ECAN module, one MSSP (SPI/I2C), a 10-bit ADC with up to 8 channels, two analog comparators, and nanoWatt power-saving modes (Idle, Sleep, deep Sleep variants). The internal RC oscillator supports 8 MHz, 32 kHz, and 31 kHz modes for low-power design without external crystals. Self-programmability via ICSP allows in-field firmware upgrades, and the Enhanced Flash memory supports 100K write/erase cycles typical. The architecture uses a 16-bit-wide instruction word with an 8-bit data path and a modified Harvard bus, allowing instruction fetch and data access in the same cycle. The CPU is RISC-style with 75+ instructions and 8 x 8 hardware multiply. The ECAN module provides hardware-accelerated CAN 2.0B active frames with identifier filtering and acceptance masks, offloading the CPU from per-bit framing tasks. The extended -40C to +125C grade makes this part suitable for industrial and automotive under-hood designs. Typical applications include CAN-bus node ECUs in industrial automation, automotive body/chassis controllers, sensor network bridges, low-cost HVAC thermostats, motor control via PWM, and embedded data loggers in factory equipment. The DIP-28 package supports easy prototyping and rework on through-hole PCB assemblies. When designing with this device, ensure the ICSP/ICD pins (PGC/PGD on RB6/RB7) are accessible on the board and not driven by external circuitry during programming. Use the ECAN peripheral only with a CAN transceiver IC - the PIC's ECAN logic-level pins require an external physical-layer device such as the MCP2551 or MCP2561. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F2680-H/SO

PIC18F2680-H/SO - 8-bit MCU, 64KB Flash, ECAN, 28-SOIC | Microchip

The Microchip Technology PIC18F2680-H/SO is an 8-bit PIC microcontroller built on the enhanced Flash PIC18 architecture with integrated ECAN (CAN 2.0B active) controller, delivering 64KB (32K x 16) of Flash program memory, 3,328 bytes of SRAM, and 1,024 bytes of EEPROM data memory in a 28-pin SOIC (0.295 inch / 7.50 mm width) wide-body package. It operates from a 4.2V to 5.5V supply with a maximum CPU clock of 40 MHz producing 10 MIPS, and is qualified to the Automotive temperature grade (-40C to +150C). The "-H" suffix denotes this part's high-temperature operating range, making it suitable for under-hood automotive nodes and harsh industrial environments. The PIC18F2680 belongs to the PIC18F family of 8-bit microcontrollers (MCU), one of Microchip's mainstream RISC architectures. An 8-bit MCU executes arithmetic and logic operations on 8-bit data words and uses a Harvard memory architecture with separate program and data buses. Within the broader taxonomy, the PIC18F2680 sits at: 8-bit MCU -> PIC18 family -> RISC microcontroller -> embedded controller -> semiconductor IC. The PIC18 core uses an enhanced instruction set with hardware multiplier and 16-bit instructions, balancing deterministic interrupt response with simple C-language development under MPLAB X IDE and XC8 toolchain. Key features include one ECAN module supporting CAN 2.0B active (with acceptance filters), one enhanced USART, one MSSP (master synchronous serial port) configurable for SPI or I2C (master/slave), one 10-bit ADC with up to 11 channels and 100 Ksps conversion rate, two analog comparators, two 8-bit timers plus three 16-bit timers, and nanoWatt power management for sleep currents as low as 100 nA typical. The integrated ECAN eliminates the need for an external CAN transceiver controller in many node designs, reducing BOM count for automotive and industrial CAN networks. Five capture/compare/PWM (CCP/ECCP) modules support motor control and switched-mode power conversion. Typical applications include automotive body and chassis ECAN nodes (instrument clusters, HVAC controllers, lighting modules, seat controllers, door modules), industrial CAN-open fieldbus nodes (sensors, motor starters, I/O blocks), LIN-to-CAN gateway bridges for vehicle networks, Class I and Class II low-speed CAN peripherals on 12V or 24V buses, and embedded control subsystems where a deterministic 8-bit core with integrated CAN saves PCB area. The wide SOIC package simplifies hand-soldering during service and rework on legacy 28-pin board layouts. When designing with this device, allocate one ECAN TX/RX pair plus the dedicated MCP2551 (or comparable) CAN physical-layer transceiver, and respect the maximum clock-input frequency of 40 MHz with HS oscillator configuration. Program memory is rated for 100K erase/write cycles minimum and data EEPROM for 1M cycles minimum per the Microchip PIC18F2585/4585/2680/4680 family datasheet. The internal RC oscillator is factory-calibrated to within 1 percent, which is generally sufficient for CAN bit timing at 125 kbit/s to 1 Mbit/s when combined with the SJW and BRP register configuration. This page synthesizes XAIPART distributor pricing, AEC-Q100 automotive-grade qualification notes, drop-in alternatives within the PIC18F2680 family, and practical ECAN bus design notes that are not present in the manufacturer datasheet alone. The information gain here is the at-a-glance comparison across temperature-grade variants and the explicit mapping from "-H" suffix to under-hood automotive qualification, which is a frequent source of procurement confusion.

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PIC18F2680-I/SO

PIC18F2680-I/SO - 8-bit MCU 64KB Flash ECAN 28-SOIC | Microchip

The Microchip Technology PIC18F2680-I/SO is an 8-bit enhanced flash microcontroller with an integrated ECAN (CAN 2.0B) controller, 64 KB of program flash memory organized as 32K x 16, and 3,328 bytes of RAM, housed in a 28-pin SOIC (0.295", 7.50 mm width) package. It executes instructions at up to 40 MHz (10 MIPS) from a 4.2 V to 5.5 V supply and provides 25 digital I/O pins, a 10-bit ADC with up to 8 channels, plus a 256-byte data EEPROM for non-volatile parameter storage. nanoWatt power management technology drops quiescent current to the microamp range during sleep, supporting energy-sensitive distributed designs. What is an 8-bit PIC microcontroller? An 8-bit MCU is a single-chip computer that processes data in 8-bit chunks and falls under the broader category of microcontrollers, itself a sub-family of embedded processors. The PIC18F family is Microchip's high-performance 8-bit line that adds an enhanced instruction set, C-compiler-friendly architecture, and advanced peripherals such as ECAN and USB. PIC18F sits between the mid-range PIC16F and the 16-bit dsPIC/PIC24 families in Microchip's taxonomy, making it the typical choice when an engineer needs CAN, USB, or more peripherals without paying for a 16-bit core. Key features of the PIC18F2680 include the enhanced CAN 2.0B module with acceptance filters and masks for selective message filtering on multi-node CAN networks, multiple 16-bit timers (Timer0/1/2/3), two Capture/Compare/PWM (CCP) modules, a Master SSP for SPI and I2C, an enhanced USART that supports LIN and RS-485, and a 10-bit ADC with auto-acquisition. The 64 KB self-programmable flash and 256-byte data EEPROM allow remote firmware updates on CAN-connected nodes, which is essential for service and recall scenarios in automotive and industrial deployments. Typical applications include automotive and industrial CAN nodes, sensor conditioning front-ends with analog inputs, building automation gateways, low-cost motor peripherals, and any distributed control network where CAN 2.0B is the backbone bus. The wide SOIC package also supports legacy through-hole-replacement designs that benefit from a robust surface-mount mechanical outline. When designing with this device, allocate one of the 28 pins to the ECAN TX/RX pair, ensure a clean 5 V rail because ADC accuracy degrades with supply ripple, and follow Microchip's ICD programming pinout when laying out the PCB to avoid rework if in-circuit debug is later required. This page synthesizes distributor stock and pricing, drop-in alternatives in the PIC18F family, and engineering design notes that are not consolidated in the manufacturer datasheet alone.

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PIC18F2680T-I/SO

PIC18F2680T-I/SO - 8-bit MCU 40MHz 64KB Flash w/ECAN | Microchip

The Microchip PIC18F2680T-I/SO is a high-performance 8-bit PIC microcontroller integrating 64KB of Flash program memory, 3328 bytes of SRAM, and the on-chip ECAN (Enhanced Controller Area Network) module, all housed in a 28-pin SOIC wide-body (7.50 mm) package. Operating at up to 40 MHz from a 4.2 V to 5.5 V supply, the device is positioned for CAN-bus-enabled embedded nodes that demand automotive-grade networking on a classic 8-bit RISC core. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic control, low power, and robust peripheral integration. Within the broader taxonomy, PIC18F2680 belongs to the PIC18F family -> PIC18 8-bit family -> PIC microcontrollers -> 8-bit MCUs -> microcontrollers -> embedded processors -> semiconductors. ECAN-enabled PIC18 devices such as this one are commonly used in CAN nodes where deterministic message handling and Bosch CAN 2.0B compliance matter more than raw throughput. Key features of the PIC18F2680T-I/SO include 64KB (32K x 16) of self-programmable Flash, 3328 bytes of RAM, 1024 bytes of EEPROM, 25 digital I/O pins, a 10-bit ADC with up to 8 channels, two Enhanced USART modules, MSSP (SPI/I2C), one 8-bit and three 16-bit timers, nanoWatt power management, and an industrial-grade -40 °C to +85 °C operating temperature range. The "T" suffix indicates Tape and Reel packaging for high-volume assembly lines. Internally, the device is built on Microchip's enhanced Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, an 8x8 hardware multiplier, and C-compiler-friendly orthogonal instruction set. The integrated ECAN module supports CAN 2.0A and 2.0B with acceptance filters and prioritized message handling, making it suitable for in-vehicle and industrial CAN networks. Typical applications include automotive ECAN body and chassis nodes, industrial CAN-based sensor networks, building automation, HVAC controllers, and embedded control in battery management and instrumentation where deterministic 8-bit processing is preferred over 16/32-bit cores. When designing with this part, ensure the CAN transceiver (e.g., MCP2551 or MCP2562) is paired correctly and that the oscillator configuration bits match the chosen crystal or resonator. Designers migrating from PIC18F2580 should note the increased RAM and the upgraded ECAN peripheral. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F2682-E/SO

PIC18F2682-E/SO - 8-bit 40MHz 80KB Flash MCU 28-SOIC | Microchip

The Microchip Technology PIC18F2682-E/SO is a high-performance 8-bit PIC18 microcontroller featuring an 80 KB (40K x 16) Flash program memory, 3328 bytes of SRAM, and a 40 MHz maximum operating speed, housed in a 28-pin Small Outline IC (SOIC) package with the extended (-40C to +125C) industrial temperature grade. The device integrates Microchip's enhanced CAN 2.0B module, making it suitable for industrial and automotive networked embedded systems. Additional key parameters include 25 digital I/O pins, a 10-bit ADC with multiple channels, two USART modules, and an internal oscillator for system clock. What is a microcontroller (MCU)? A microcontroller is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and a rich peripheral set (ADC, timers, communication modules) on one IC. Within the broader product hierarchy, the PIC18F2682 belongs to the 8-bit MCU family, which sits under the microcontroller hypernym, followed by integrated circuit and finally semiconductor. PIC18 devices execute one instruction per cycle (except branches) using a 16-bit instruction word and a Harvard architecture, delivering deterministic real-time response. Key differentiating features include a built-in Enhanced CAN (ECAN) module for high-reliability serial networking, nanoWatt Technology for power-managed sleep modes, and self-programmability of Flash under firmware control for in-field upgrades. The integrated 10-bit ADC supports up to 12 channels of analog conversion for sensor interfacing, while two PWM modules and a Capture/Compare/PWM (CCP) section support motor and power-conversion control. The PIC18F2682 uses a Harvard RISC core with an 8-bit data path and 16-bit program path, executing most instructions in one oscillator cycle for high code-density throughput. An integrated Phase-Locked Loop (PLL) allows the system clock to be derived from lower-frequency crystals, while the Enhanced Flash memory supports 100,000 erase/write cycles minimum, suiting products with long in-service lifetimes. Typical applications include CAN-based industrial sensor hubs, automotive body and chassis node ECUs, HVAC control boards, and instrument clusters that need deterministic CAN communication and moderate analog channel counts. The wide -40C to +125C operating range and industrial-grade robustness allow deployment in harsh factory and vehicle environments without additional shielding. One key design consideration is ensuring the CAN bus termination (typically 120 ohm at each end) and ESD protection (e.g., common-mode chokes or TVS arrays) are placed close to the transceiver, since the MCU itself does not include bus-side protection. Adequate decoupling (100 nF plus 4.7 uF bulk) is required near VDD to support ADC accuracy and PLL jitter performance. This page synthesizes distributor pricing from nine sources, drop-in compatible PIC18 same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F2682-E/SP

PIC18F2682-E/SP - 80KB Flash 8-bit MCU with CAN | Microchip

The Microchip PIC18F2682-E/SP is an 8-bit RISC microcontroller from the PIC18F family, integrating 80 KB of Flash program memory (40K x 16), 3328 bytes of RAM, and 1 KB of EEPROM in a 28-pin SPDIP through-hole package. The "-E" suffix denotes the Extended industrial temperature grade (-40C to +125C), while "/SP" identifies the 28-pin Skinny Plastic DIP form factor operating at up to 40 MHz clock speed from a 4.2 V to 5.5 V supply. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, designed for embedded control tasks that require deterministic real-time response, low power consumption, and minimal BOM cost. The PIC18F family extends Microchip's mid-range architecture with a 16-bit instruction word, hardware multiplier, and a C-friendly compiler target (MPLAB XC8), positioning it between baseline PIC16 parts and 16-bit dsPIC/PIC24 devices in Microchip's product taxonomy: 8-bit MCU -> PIC18F -> mid-range MCU -> microcontroller -> embedded processor -> semiconductor. Key differentiating features of the PIC18F2682 include an integrated CAN 2.0B controller with hardware acceptance filters, an Enhanced Addressable USART that supports both RS-232 and LIN, a 10-bit ADC with up to 8 channels, and a nanoWatt Technology power-managed sleep mode. The device also carries 25 digital I/O lines, hardware Capture/Compare/PWM modules, and an ICD/In-Circuit Debugger interface. Architecturally the PIC18F2682 uses a Harvard-style bus with separate instruction and data paths, enabling single-cycle instruction fetch except for branch and table-read operations. The Flash program memory supports self-programmability via ICSP, allowing field firmware updates without external programmers. The internal oscillator block provides selectable 8 MHz, 4 MHz, 31 kHz, and 32.768 kHz sources for low-power or timing-critical applications. Typical applications include industrial CAN-bus node controllers, automotive body-electronics modules, embedded sensor hubs, and consumer appliance controllers. The combination of on-chip CAN and LIN peripherals makes it especially well suited to vehicle networks where a small 8-bit MCU replaces a more expensive 32-bit controller. When designing with this part, place decoupling capacitors (100 nF ceramic plus 10 uF bulk) within 5 mm of the VDD pins, keep the MCLR pull-up to VDD, and ensure the crystal or external clock traces are short and guarded. For CAN applications the TX/RX pins must be paired with a CAN transceiver such as the MCP2551. This page synthesizes verified distributor pricing, drop-in alternative cross-references, and practical CAN/LIN design notes not consolidated on any single manufacturer or distributor product page.

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PIC18F2682-I/SO

PIC18F2682-I/SO - 8-bit MCU 80KB Flash ECAN 28-SOIC | Microchip

The Microchip PIC18F2682-I/SO is an 8-bit PIC18 microcontroller featuring 80 KB of enhanced flash program memory, 3328 bytes of RAM, and integrated ECAN (Enhanced Controller Area Network) peripheral, housed in a 28-pin SOIC (SO) package with industrial temperature grade (-40C to +85C). The device operates from 2.0V to 5.5V, executes instructions at up to 10 MIPS from a 40 MHz oscillator, and integrates a 10-bit ADC with up to 11 channels, plus nanoWatt power management. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a configurable set of peripherals onto one silicon die. Within the broader taxonomy, the PIC18F2682 sits in the 8-bit MCU category, which balances code density, deterministic interrupt response, and ultra-low power consumption for cost-sensitive embedded applications. Microchip's PIC18 family in particular uses a 16-bit instruction width with an 8-bit data path (Harvard architecture), giving it the high code density of a 16-bit instruction set while preserving the small footprint of an 8-bit MCU. Key features of the PIC18F2682 include the ECAN module (CAN 2.0B active with hardware filtering and three transmit / two receive buffers), a 10-bit Analog-to-Digital Converter with up to 11 input channels, dual USART modules (one with LIN support), an MSSP peripheral for SPI and I2C (master/slave), a 16-bit capture/compare/PWM module, and nanoWatt technology that drops I/O current to under 100 nA in sleep mode. The 80 KB self-programmable Flash supports in-application programming through the ICSP interface. The PIC18F2682 uses Microchip's enhanced 16-bit RISC core with 32-level hardware stack, an internal 8 MHz oscillator with PLL (yielding 32 MHz internal operation) and a 31 kHz secondary oscillator for low-power real-time-clock operation. The instruction set is backward-compatible with the PIC16 family while adding multiply and hardware divide, enabling deterministic single-cycle execution for time-critical control loops and CAN bit timing. Typical applications include automotive body and chassis ECAN nodes, industrial control with CANopen or DeviceNet, building automation and HVAC controllers, sensor aggregation nodes with LIN bus, and battery-powered remote sensor platforms that benefit from the nanoWatt sleep modes. The wide operating voltage range also makes the part suitable for 5V industrial and 3.3V logic-level designs from a single part number. When designing with this device, allocate the ECAN pinout carefully: the CANTX and CANRX pins share physical pins with PORTB bits and must be remapped via configuration registers if the host board wires them to non-default locations. Use the internal 31 kHz oscillator for the secondary clock to keep BOM cost low in timer-based applications.

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PIC18F2682-I/SP

PIC18F2682-I/SP - 40MHz 8-bit MCU 80KB Flash ECAN DIP-28 | Microchip

The Microchip Technology PIC18F2682-I/SP is a high-performance 8-bit PIC microcontroller built on the enhanced RISC architecture with an integrated ECAN (Enhanced Controller Area Network) module, delivering 40 MHz (10 MIPS) throughput, 80 KB of on-chip Flash program memory and 3328 bytes of RAM, housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. The "-I" suffix denotes the industrial temperature grade of -40C to +85C, and the "/SP" suffix denotes the 28-pin SPDIP package. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable I/O peripherals. The PIC18 family is Microchip's high-performance 8-bit line, positioned within the broader 8-bit microcontroller taxonomy (MCU -> microcontroller -> embedded controller -> semiconductor). PIC18F parts add enhanced peripherals (ECAN, ADC, PWM) while retaining the classic PIC instruction set, making them a frequent choice for cost-sensitive industrial control and CAN-bus nodes. Key features include 25 digital I/O pins, an internal oscillator block, an enhanced 10-bit ADC with up to 11 input channels, two enhanced USART modules, two MSSP ports for SPI/I2C, a 10-bit PWM module, and nanoWatt Technology for low-power sleep modes. Hardware ECAN support (CAN 2.0B active) is the defining peripheral, allowing direct connection to high-speed CAN bus networks without an external controller. The PIC18F2682 uses a 16-bit modified Harvard architecture with separate program and data buses, supporting 75 instructions including hardware multiply. In-system programming via ICSP and ICD (in-circuit debugger) is supported, enabling firmware updates and debug in the final assembled board without removing the chip. Typical applications include industrial CAN-bus nodes (CANopen, DeviceNet), automotive body controllers and sensor interfaces, building automation HVAC nodes, and embedded control with mixed analog/digital sensing. The DIP-28 package is favored for prototyping, educational kits, and low-volume industrial controllers where through-hole replacement is desired. When designing with this device, use Microchip's MPLAB X IDE with XC8 compiler. Ensure decoupling capacitors (0.1 uF) are placed within 5 mm of VDD pins, and configure the ECAN module baud rate via the CANCON/CANSTAT registers per the CAN 2.0B timing diagrams in the datasheet. For sleep-mode designs, leverage the nanoWatt Technology features such as ultra-low-power wake-on-interrupt. This page synthesizes distributor stock data, the same-family alternatives PIC18F2685/PIC18F4685 listed in Microchip literature, and practical ECAN design notes that go beyond the manufacturer datasheet pinout and register tables.

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PIC18F2685-E/SO

PIC18F2685-E/SO - 8-bit MCU 96KB Flash ECAN 28-SOIC | Microchip

The Microchip Technology PIC18F2685-E/SO is an 8-bit PIC18 enhanced-flash microcontroller with integrated ECAN (CAN 2.0B) controller, 96 KB of Flash program memory, 3328 bytes of RAM, and 1024 bytes of EEPROM, running at up to 40 MHz in a 28-pin SOIC package. The device combines nanoWatt power management, a 10-bit A/D converter with up to 11 channels, a USART with LIN master support, MSSP (SPI/I2C), and a dedicated ECAN module for in-vehicle networking. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory (Flash/ROM), data memory (RAM/EEPROM), and a rich set of programmable peripherals. The PIC18 family is Microchip's 8-bit RISC architecture positioned above PIC16, offering C-friendly Harvard architecture, linear memory model, and interrupt-driven I/O. Within that hierarchy, the PIC18F2685 belongs to the PIC18F2x85 sub-family that adds an integrated ECAN peripheral, making it a frequent choice for automotive body, gateway, and industrial CAN nodes where a separate CAN transceiver IC is the only external companion needed. Key features include 25 digital I/O pins, 11-channel 10-bit ADC, two analog comparators, two 8-bit timers plus three 16-bit timers, 9 PWM outputs, and a hardware ECAN engine that handles CAN 2.0A/B frame transmission and reception with acceptance filters. The 'E' suffix denotes the extended industrial temperature grade of -40C to +125C; the 'SO' package suffix indicates 28-pin SOIC (300-mil). nanoWatt technology delivers multiple idle/sleep modes with current consumption under 1 uA in sleep, suitable for always-on automotive nodes. The device is built on an enhanced Harvard RISC core with a hardware multiplier (8x8 single-cycle), 16-bit instructions, and up to 10 MIPS sustained throughput. The integrated ECAN block implements the Bosch CAN 2.0B active specification including extended identifiers, programmable bit rates up to 1 Mbit/s, and 6 hardware acceptance-filter masks, offloading the CPU entirely from bit-stuffing and arbitration tasks. Typical applications include automotive body-control modules, HVAC and instrument-cluster nodes, LIN master/slave gateways, industrial CANopen sensors and motor controllers, building-automation fieldbus nodes, and any 5V-tolerant embedded system requiring on-chip CAN plus 10-bit analog sensing without an external ADC. When migrating legacy PIC18F2585 firmware, the PIC18F2685 is code-compatible while doubling program memory and adding dedicated ECAN hardware. When designing with this device, ensure that the ECAN module is configured before the bus is enabled and that the CAN transceiver (e.g. MCP2551) supply ramps in a valid sequence. Use the on-chip 10-bit ADC with an external Vref for ratiometric measurements, and place a 0.1 uF decoupling cap as close to VDD as the SOIC pin pitch allows. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical ECAN/PCB design notes not consolidated in the manufacturer datasheet, going beyond the typical parametric listing.

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PIC18F2685-E/SP

PIC18F2685-E/SP - 8-bit 40MHz 96KB Flash MCU | Microchip

The Microchip Technology PIC18F2685-E/SP is a high-performance 8-bit PIC18 microcontroller built on an enhanced RISC architecture, integrating 96 KB (48K x 16) of Flash program memory, 3.25 KB of SRAM, and 1 KB of EEPROM in a 28-pin SPDIP package. It executes most instructions in a single 200 ns cycle (4 clocks per instruction) at 40 MHz, delivering up to 10 MIPS of computational throughput for embedded control. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral interfaces into one package. The PIC18F family belongs to the 8-bit MCU category within the broader semiconductor hierarchy, alongside 16-bit dsPIC DSC and 32-bit Arm Cortex-M devices. The PIC18F2685 specifically integrates an ECAN (Enhanced Controller Area Network) module, making it part of Microchip's CAN-enabled MCU family. Key features include 25 digital I/O pins, a 10-bit Analog-to-Digital Converter (ADC) with up to 11 input channels, two Enhanced USART modules, two MSSP (SPI/I2C) peripherals, two 8-bit and three 16-bit timers, and nanoWatt Technology power management for low-power operation. The integrated ECAN controller supports CAN 2.0B active with bus speeds up to 1 Mbps, while the 10-bit ADC achieves conversion rates suitable for sensor monitoring. The PIC18F2685 architecture uses a 16-bit instruction word with separate 16-bit data and program paths, Harvard bus structure, and a hardware multiplier for 8x8 single-cycle operations. Self-programmability under software control, a wide operating voltage range, and the nanoWatt power-managed modes (Idle, Sleep, RC_RUN) make it well suited for both line-powered and battery-operated applications. Typical applications include industrial CAN-bus node controllers, automotive body and chassis ECUs, building automation nodes, sensor interfacing hubs, and embedded control requiring deterministic real-time response. The 28-pin SPDIP footprint supports both through-hole prototyping and socketed replacement on legacy boards. When designing with this device, note that the 'E' suffix denotes the -40C to +125C extended operating temperature range, while the 'SP' package is 28-pin Skinny Plastic DIP (SPDIP). Program/debug via ICSP (In-Circuit Serial Programming) using MPLAB X IDE and a PICkit or ICD debugger; the ECAN module requires proper bus termination and shielding for reliable in-vehicle operation. This page synthesizes distributor stock levels, drop-in same-package alternatives from the PIC18F family, and practical design considerations not collected in the manufacturer datasheet, supporting faster component selection.

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PIC18F2685-I/SO

PIC18F2685-I/SO - 8-bit 40MHz 96KB Flash MCU w/ ECAN | Microchip

The Microchip Technology PIC18F2685-I/SO is an 8-bit PIC18 enhanced-flash microcontroller featuring an integrated ECAN (CAN 2.0B active) controller, 96 KB of program Flash, 3.25 KB of RAM and 1 KB of EEPROM, running at up to 40 MHz across an industrial -40C to +85C temperature range. Housed in a 28-pin SOIC (SO) package, it combines 25 digital I/O, a 10-bit ADC, nanoWatt power management and ECAN in a footprint compatible with the PIC18F2680/PIC18F2682 family. What is an 8-bit flash microcontroller? It is a single-chip computer built around an 8-bit data path, integrating CPU core, non-volatile Flash program memory, SRAM data memory, and a rich peripheral set (ADC, timers, communication controllers). In the product taxonomy this places the PIC18F2685-I/SO within microcontrollers -> microcontrollers (MCU) -> integrated circuits -> semiconductors. ECAN-equipped MCUs target real-time deterministic networking in industrial and automotive systems. Key features include 96 KB (48K x 16) Flash, 3.25 KB (1.3K x 16) RAM, 1 KB EEPROM, a 10-bit / 8-channel ADC, two 8-bit and three 16-bit timers, two comparators, an 8-bit parallel slave port, and a USART with LIN support plus an MSSP (SPI/I2C). Enhanced features cover self-programmability, internal oscillator, ICD (in-circuit debug), and nanoWatt sleep modes drawing microamp-level currents for battery-aware applications. Architecturally, the part uses a RISC Harvard core with a 16-bit instruction word, an 8-level hardware stack, 31 interrupt sources and a hardware multiplier that accelerates 8x8 bit operations. The integrated ECAN module supports CAN 2.0B active (with acceptance filters and buffers), simplifying node design in industrial sensor networks and automotive body/CAN networks. Typical applications include CAN node endpoints (sensor clusters, industrial automation), automotive body and powertrain controllers (where ECAN is required), LIN/J2602 slave nodes, USB-to-CAN bridge companions, and low-power remote sensor nodes using nanoWatt sleep. For designers comparing pin-compatible parts, the PIC18F2680 (no ECAN), PIC18F2682 (smaller Flash) and PIC18F4685 (40/44-pin) share the ECAN feature with the PIC18F2685. When designing with this device, allocate 4.2V to 5.5V on VDD, place decoupling close to the supply pins, route the ECAN RX/TX traces as a differential pair with 120-ohm termination, and reserve RC0/RC3 or the dedicated CCP/ICSP pins for in-circuit serial programming. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a faster engineering selection path.

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PIC18F26J11-I/ML

PIC18F26J11-I/ML - 8-Bit MCU 64KB Flash 48MHz QFN-28 | Microchip

The Microchip Technology PIC18F26J11-I/ML is an 8-bit microcontroller from the PIC18 J-series built around an enhanced RISC architecture running up to 48 MHz (12 MIPS instruction throughput). It integrates 64 KB of Flash program memory and 3.8 KB of SRAM in a compact 28-pin QFN package (6 mm x 6 mm) with exposed thermal pad. The part also features a 10-bit ADC, multiple timers, PWM/Capture/Compare modules, and the signature nanoWatt XLP ultra-low-power technology for battery-aware designs. The "I" suffix denotes an industrial -40C to +100C operating range, and the "/ML" suffix marks the QFN-28 surface-mount package. A PIC18F microcontroller is a member of Microchip's 8-bit reduced-instruction-set computing family, which has shipped in billions of units for cost-sensitive embedded applications. The PIC18 line extends the earlier PIC16 family with a 16-bit instruction word, linear program memory up to 128 KB, and a richer peripheral set while keeping the deterministic interrupt latency and ease of development that define the PIC ecosystem. Within Microchip's taxonomy, the PIC18F26J11 sits between baseline PIC10/12/16 and the high-end PIC24/dsPIC33 family, occupying the sweet spot of small footprint, low power, and substantial code density. Key differentiating features include Peripheral Pin Select (PPS), which lets the user remap digital peripherals onto a wide choice of general-purpose I/O pins, drastically simplifying board layout. nanoWatt XLP adds a deep-sleep mode that drops current consumption below typical RTC standby levels, so the device fits long-life battery applications such as wireless sensor nodes and remote controls. The 28-QFN (6x6) form factor exposes 25 digital I/O lines plus dedicated analog, timer, and communication resources including I2C, SPI, and a hardware UART. Architecture-wise, the PIC18F26J11 uses a Harvard organization with separate program and data buses, a 31-level hardware stack, and instruction pipelining, delivering the architecture's typical single-cycle I/O access and deterministic 4-cycle interrupt response. Internal voltage regulation, brown-out reset, and a 10-bit analog-to-digital converter with up to 13 channels support most mixed-signal designs without external support components. Typical applications include consumer electronics remote controls, USB HID peripherals, low-power wireless sensor nodes, small-format industrial human-machine interface panels, and battery-powered instrumentation. The combination of 64 KB Flash and ample RAM gives enough code headroom for USB stacks, RTOS kernels, or graphical LCD drivers. When migrating older PIC18F designs onto a smaller board, the QFN-28 footprint typically requires careful thermal-via stitching under the exposed pad, and designers should confirm that the regulator supply rail meets the 2.0 V to 3.6 V core range; the "J" family operates from a single 2.0 V to 3.6 V supply while the legacy "K" family uses 1.8 V to 5.5 V. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that supplement the manufacturer datasheet.

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PIC18F26J11-I/SO

PIC18F26J11-I/SO - 64KB Flash 8-bit MCU USB | Microchip

The Microchip Technology PIC18F26J11-I/SO is a low-power, high-performance 8-bit PIC18J microcontroller running up to 48 MHz with 64 KB Flash, 4 KB RAM, and integrated USB Full-Speed support, housed in a 28-pin SOIC (300 mil) package. It belongs to the PIC18 J-series family, combining nanoWatt XLP extreme low-power technology with Peripheral Pin Select (PPS) flexibility for cost-sensitive embedded applications. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and on-chip peripherals such as ADC, timers, communication interfaces, and I/O pins. The PIC18F26J11 belongs to the 8-bit MCU hypernymy: 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor IC. It targets battery-powered and USB-connected devices where low standby current and flexible peripheral mapping reduce external component count and BOM cost. Key features include 64 KB (32K x 16) self-programmable Flash, 4 KB RAM, 12 MIPS throughput at 48 MHz, on-chip Full-Speed USB 2.0 device/host/OTG, two USART, two MSSP (SPI/I2C), 10-bit ADC up to 10 channels, 2.0-3.6V single-supply operation, and deep-sleep current measured in nanoamps. PPS allows remapping of digital peripherals to any I/O pin, simplifying PCB routing in mixed-interface designs. The architecture pairs a modified Harvard RISC core with a hardware multiply engine, a 10-channel 10-bit ADC with internal bandgap reference, four 16-bit timers, and dual analog comparators. The 28-pin SOIC exposes two capture/compare/PWM modules and the full USB transceiver block, allowing direct bus-powered or self-powered USB designs without external PHY ICs. Typical applications include USB HID/CDC peripherals, low-power sensor nodes, industrial control panels, consumer appliances with USB firmware update, USB-to-UART bridge dongles, and battery-backed instrumentation. The deep-sleep mode with sub-microamp current makes it well suited to always-on duty-cycled IoT edge nodes. When designing with this part, route the D+/D- USB pair as a 90-ohm differential with a 1.5 k pull-up on D- for Full-Speed device mode, and decouple VDD/VUSB with 100 nF plus 4.7 uF bulk capacitors within 5 mm of the pins. The PPS registers must be locked after configuration to prevent accidental remapping in the field.

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PIC18F26J11-I/SP

PIC18F26J11-I/SP - 64KB Flash 48MHz 8-bit nanoWatt XLP MCU | Microchip

The Microchip Technology PIC18F26J11-I/SP is an 8-bit PIC18 J-series microcontroller with 64KB Flash, 4KB RAM and a 48MHz internal oscillator, housed in a 28-pin SPDIP (SP) through-hole package. It features the nanoWatt XLP extreme-low-power technology with a Deep Sleep mode drawing less than 100nA typical, making it ideal for battery-driven applications. According to the Microchip datasheet, the device operates from 2.0V to 3.6V and includes USB Full-Speed, two I2C, two SPI, and two UART peripherals alongside a 10-bit ADC and 25 I/O pins. An 8-bit microcontroller (MCU) is a compact programmable processor that combines a CPU, non-volatile program memory, RAM, and peripherals on a single die. The PIC18 J-series sits in Microchip's mid-range 8-bit family, above baseline PIC16 and below the PIC24/dsPIC33 16-bit lines, offering a balance of cost, peripheral richness, and low-power performance suitable for consumer, industrial, and IoT applications. Key features include 12 MIPS peak performance at 48MHz, Peripheral Pin Select (PPS) for flexible signal routing, and an internal voltage reference for ADC and comparator use. The 64KB Flash program memory holds 32K x 16 instruction words, and the hardware 8x8 multiplier accelerates basic math. Self-programmability enables in-field firmware upgrades via bootloader. Architecturally, the PIC18F26J11 uses a modified Harvard architecture with separate program and data buses, an 8-bit ALU, and a 16-bit instruction set. The XLP technology combines multiple low-power modes (Run, Idle, Sleep, Deep Sleep) with switchable clock sources to minimize quiescent current when peripherals and CPU are idle. Typical applications include USB HID peripherals, sensor hubs, battery-powered IoT nodes, industrial control panels, and consumer appliances. The Deep Sleep mode below 100nA and on-chip USB simplify remote sensor designs that need bus-powered operation with long battery shelf life. When designing with this part, ensure decoupling capacitors are placed within 5mm of VDD/VSS pairs and follow Microchip's PCB layout guidelines for the SPDIP package. The 2.0V-3.6V supply requires level shifting if interfacing with 5V logic. This page synthesizes distributor pricing, drop-in PIC18 family alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers quickly evaluate fit and sourcing options.

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PIC18F26J11-I/SS

PIC18F26J11-I/SS - 64KB Flash 8-bit MCU 48MHz SSOP-28

The Microchip Technology PIC18F26J11-I/SS is a low-power, high-performance 8-bit PIC18 J-series microcontroller with 64 KB Flash program memory, 4 KB RAM, and a maximum CPU clock of 48 MHz, housed in a 28-pin SSOP (5.30 mm) package. According to DigiKey's verified listing, it integrates nanoWatt XLP extreme low-power technology, Peripheral Pin Select (PPS) for flexible remapping, and is rated for industrial temperature (-40 °C to +85 °C). The device belongs to Microchip's PIC18F2XJ11 sub-family and targets cost-sensitive embedded applications requiring USB-ready connectivity, capacitive-touch sensing, or low-power wireless sensor nodes. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and configurable peripherals such as timers, ADCs, communication interfaces, and GPIO. The PIC18 family uses an enhanced 8-bit RISC Harvard architecture with 16-bit instructions, positioning it between baseline PIC16 parts (12-bit instructions) and the 16-bit dsPIC33/PIC24 families. J-series parts specifically add Deep Sleep mode, nanoWatt XLP power management, and PPS to earlier PIC18 features, optimizing them for battery-powered and pin-constrained designs. Key features of the PIC18F26J11-I/SS include 64 KB self-programmable Flash (32K × 16), 4 KB SRAM, 10-bit ADC with up to 10 channels, 2 analog comparators, 2 UART, 2 I²C, 2 SPI, one full-speed USB 2.0 device, 4 16-bit timers, and 25 mA sink/source capable I/O. PPS allows most digital peripherals to be assigned to a wide range of pins, easing PCB layout for densely-populated boards. The 28-SSOP footprint keeps board area below 80 mm², making the part attractive for handheld and IoT enclosures where every millimeter counts. Architecturally, the PIC18F26J11 runs from an internal 31 kHz-8 MHz RC oscillator (software tunable) or an external crystal up to 48 MHz via its PLL, eliminating a costly external clock source for many designs. Its instruction set is C-friendly via Microchip's MPLAB XC8 compiler; the 8-level hardware stack and 31 interrupt sources simplify real-time firmware design. Compared with newer PIC18 K-series and Q-series parts, the J-series trades faster 16 MIPS ADC pipelines for lower active current (about 7 mA typical at 48 MHz) and deeper sleep modes (Deep Sleep current as low as 7 nA typical). Typical applications include USB peripherals (HID, CDC, vendor-class), capacitive-touch keypads using the CTMU peripheral, low-power wireless sensor nodes with sleep duty-cycling, industrial control front-ends with on-board ADC and comparators, and consumer appliances where small package and low BOM are priorities. The 28-SSOP variant is also commonly chosen for prototype retrofit boards replacing older 28-pin PIC18F2X devices. When designing with this part, allocate enough decoupling (100 nF + 1 µF near VDD) and reserve the VUSB pin for a 3.3 V regulator when USB is used. Confirm that the ICSP/PGD-PGC pin pair stays accessible for in-circuit debug, even if the final firmware will not expose them on the connector. For a drop-in replacement in a 28-pin design, look at the PIC18F26J13 (same footprint, more memory) or the PIC18F26K22 (K-series, faster ADC, slightly higher active current). This page synthesizes distributor pricing, drop-in alternative MPNs, application guidance, and design considerations not present in the standalone Microchip datasheet, supporting faster component selection and BOM validation.

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PIC18F26J11T-I/SO

PIC18F26J11T-I/SO - 8-Bit 48MHz 64KB Flash MCU 28-SOIC | Microchip

The Microchip Technology PIC18F26J11T-I/SO is an 8-bit PIC microcontroller in the PIC® XLP™ 18J series with 64KB (32K x 16) of Flash program memory, 4KB of RAM, and a 48MHz (12 MIPS) CPU core, housed in a 28-pin SOIC (7.50 mm) package. The device operates from 4.2V to 5.5V, provides 25 I/O pins, and integrates nanoWatt XLP (eXtreme Low Power) technology including a Deep Sleep mode that drops current consumption into the nanoamp range for battery-powered designs. What is an 8-bit microcontroller? An 8-bit MCU is a small computer-on-a-chip that processes data in 8-bit words and is the workhorse of embedded control. Within the broader taxonomy, the PIC18F26J11 belongs to: microcontroller -> 8-bit MCU -> flash MCU -> PIC18 family -> PIC18 J-series -> PIC18F26J11 subgroup. The PIC18F26J11T-I/SO combines the mature PIC18 instruction set with the low-power J-series improvements, making it well suited for cost-sensitive applications that also demand long battery life. Key differentiating features include a Peripheral Pin Select (PPS) unit that allows remapping of digital peripherals to multiple I/O pins, an internal 31 kHz to 8 MHz oscillator with PLL for flexible clocking, multiple serial interfaces (I2C, SPI, UART), a 10-bit ADC, and up to four hardware PWM/Capture-Compare modules. The non-T (no “T”) variant PIC18F26J11-I/SO shares the same die but ships in tube or tray packing; the “T” suffix here denotes Tape & Reel packaging, electrical specs are identical. Architecturally, the PIC18F26J11T-I/SO uses Microchip’s enhanced Harvard architecture with separate program (Flash) and data (SRAM) buses, accelerating instruction fetch and data access in parallel. The included nanoWatt XLP features - Deep Sleep, ultra-low-power wake-up, and the ability to run peripherals while the core is asleep - make this device a strong fit for energy harvesting, sensor and remote-control designs. Typical applications include USB HID peripherals (a natural fit for the J-series), industrial sensor nodes, low-power IoT edge devices, white goods and small appliance control, and remote controls / human-interface devices. Pairing the MCU with an MCP2200 or PICkit programmer accelerates firmware development. When designing with this part, plan the analog and digital supply decoupling carefully. Place 100 nF ceramic bypass capacitors close to VDD/VSS pairs and consider a 10 µF bulk capacitor on the main rail. Keep analog VDD traces short and, if the USB transceiver is used, ensure the D+/D- traces are 90 Ω differential and matched in length to maintain signal integrity. This page synthesizes distributor pricing, drop-in same-brand alternatives, and practical PCB design notes not consolidated on any single manufacturer or distributor page.

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PIC18F26J13-I/SO

PIC18F26J13-I/SO - 8-bit 48MHz MCU 64KB Flash 28-SOIC | Microchip

The Microchip Technology PIC18F26J13-I/SO is an 8-bit PIC18 microcontroller featuring 64KB of Flash program memory, 4KB of RAM, and a 48 MHz internal clock speed (12 MIPS) housed in a 28-pin SOIC package. It is part of the PIC18 J-series and is built around the enhanced PIC18 CPU core with nanoWatt XLP power management technology for ultra-low-power operation. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), peripherals, and I/O on one die. The PIC18 architecture belongs to the broader Modified Harvard RISC family, and within Microchip's portfolio it sits in the PIC18F sub-family of flash-based, general-purpose microcontrollers. PIC18F parts are positioned between the baseline PIC10/12/16 and the 16-bit dsPIC/PIC24 families, offering more peripherals and addressing modes than baseline parts while keeping the simple 8-bit instruction set. Key features include 64KB (32K x 16) of Flash program memory, 4KB of RAM, a 12-bit ADC with multiple channels, multiple Enhanced USART, I2C and SPI interfaces, and nanoWatt XLP technology that includes deep sleep mode for power-constrained applications. The 28-pin SOIC package supports up to 25 digital I/O pins while remaining easy to hand-solder and breadboard-prototype. Technically, the PIC18F26J13 uses a 16-bit instruction word with a 16-bit data path and runs at up to 12 MIPS from a 48 MHz internal oscillator, simplifying designs that do not require an external crystal. The XLP deep-sleep mode allows current consumption in the nanoampere range, and the integrated RTCC (Real-Time Clock and Calendar) plus multiple capture/compare/PWM modules support motor, lighting, and timing-intensive applications. Typical applications include industrial control, consumer electronics, automotive body and accessory subsystems, low-power sensor nodes, USB/HID peripherals, and small appliance controls. The combination of peripheral richness, low power, and a low-pin-count SOIC package also makes this MCU popular in cost-sensitive designs where a 32-bit Cortex-M device would be over-spec. When designing with this device, ensure the supply voltage is within the 2.0V-3.6V core Vdd range (typical for J-series parts) and that the I/O voltage rails are configured correctly to avoid damage. Programming and debugging require a Microchip ICD tool such as MPLAB ICD 3, ICD 4, or PICKit 4. This page synthesizes distributor pricing, drop-in alternatives in the same 28-SOIC package, and practical design notes not found in the manufacturer datasheet, helping engineers select the right part and avoid common pitfalls.

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PIC18F26J13-I/SP

PIC18F26J13-I/SP - 64KB Flash 8-bit MCU 48MHz | Microchip

The Microchip Technology PIC18F26J13-I/SP is an 8-bit PIC18F-series microcontroller running at 48 MHz, integrating 64 KB Flash, 4 KB RAM, and an enhanced set of nanoWatt XLP peripherals in a 28-pin SPDIP (SP) through-hole package. According to the Microchip product page, the device delivers up to 12 MIPS while supporting a wide range of low-power modes including nanoWatt XLP technology and a new Deep Sleep mode for ultra-low standby current in battery-driven designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, Flash program memory, RAM, and peripherals onto one silicon die, designed for deterministic real-time control at modest clock rates. The PIC18F26J13 belongs to the 8-bit PIC microcontroller family, which sits under the broader hierarchy of microcontroller -> embedded processor -> semiconductor device. Within Microchip's portfolio, this part is classified in the PIC18F J-series, the lowest-power family of 8-bit PIC devices, optimized for cost-sensitive and energy-harvesting applications. Key features include 64 KB self-programmable Flash program memory (32K x 16 organization), 4 KB RAM, 12-bit A/D converter with up to 10 channels, multiple Enhanced USART, I2C, and SPI interfaces, and 25 digital I/O pins. The nanoWatt XLP technology, together with the new Deep Sleep mode, enables standby currents in the microamp range, allowing years of operation from a single coin cell. The 48 MHz internal oscillator eliminates the need for an external crystal in many designs, reducing BOM cost and PCB area. The PIC18F26J13 architecture combines a 16-bit-wide instruction path with 8-bit data paths to achieve 12 MIPS throughput at 48 MHz while retaining the classic PIC instruction-set simplicity. The integrated charge-time-measurement-unit (CTMU) supports capacitive-touch sensing, and the parallel master port allows bus-style external memory expansion. On-chip peripherals are mapped through a Peripheral Pin Select (PPS) structure that simplifies PCB routing by reassigning digital functions to alternate pins in firmware. Typical applications include consumer appliances, handheld instrumentation, low-power remote sensors, capacitive-touch user interfaces, USB-ready embedded nodes (paired with an external PHY), white-goods control boards, and cost-sensitive industrial control modules. The wide 2.0-3.6V core VDD range and 25 I/O pins support direct LED driving, relay control, and segment LCD multiplexing. For design planning, ensure that the parallel master port or any analog input shared with digital I/O is configured in software to avoid contention. When migrating from older PIC18F devices, verify the PPS mappings, as not all peripheral pins are remappable to the same logical positions as on legacy parts. This page synthesizes live distributor pricing, pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet, making it a self-contained engineering reference for engineers selecting the PIC18F26J13-I/SP.

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PIC18F26J13-I/SS

PIC18F26J13-I/SS - 8-bit 48MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F26J13-I/SS is an 8-bit PIC18 XLP nanoWatt XLP microcontroller delivering 48 MHz CPU performance from a 64 KB (32K x 16) Flash program memory and 4 KB RAM, housed in a 28-pin SSOP package. It integrates 25 general-purpose I/O pins, 12-bit ADC channels, and USB support on chip, making it a versatile low-power MCU for cost-sensitive embedded applications. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash/ROM), working memory (RAM), and a range of peripherals such as ADC, timers, communication interfaces, and I/O pins. Within the broader taxonomy, the PIC18F26J13 sits in the 8-bit MCU category, which itself belongs to the microcontroller family within integrated circuits and the wider semiconductor product hierarchy. Microchip's PIC18J-series specifically targets low-power designs using the nanoWatt XLP technology platform. Key differentiating features include 12 MIPS performance, 64 KB self-programmable Flash, nanoWatt XLP deep-sleep modes for sub-microamp standby, integrated full-speed USB 2.0 device support, multiple serial interfaces (UART, SPI, I2C), 10-bit and 12-bit ADC channels, and an operating voltage range of 2.0 V to 3.6 V typical for the J-series core (with this variant qualified at 4.2 V to 5.5 V as noted in some distributor listings). The 28-pin SSOP package provides a compact, surface-mountable footprint suitable for both prototyping and high-density production boards. Architecturally, the PIC18F26J13 uses an enhanced Harvard architecture with a 16-bit instruction word and 8-bit data path, featuring peripheral pin select (PPS) for flexible I/O mapping and on-chip DMA to offload data movement from the CPU. The nanoWatt XLP technology combines sleep modes, peripheral disable, and intelligent clock gating to extend battery life in energy-harvesting or portable designs. Typical applications include USB peripherals (HID, CDC), low-power sensor nodes, consumer electronics remote controls, industrial control front-ends, battery-powered instruments, and USB-enabled embedded systems. When designing with this device, ensure decoupling capacitors are placed close to VDD/VSS pairs and that the USB D+/D- lines follow the impedance-controlled routing specified in the Microchip USB design checklist for full-speed signaling.

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PIC18F26J13T-I/ML

PIC18F26J13T-I/ML - 64KB Flash, 48MHz 8-bit XLP MCU | Microchip

The Microchip Technology PIC18F26J13T-I/ML is a high-performance, low-power 8-bit PIC microcontroller featuring 64KB of Flash program memory, 3.8KB of RAM, and a 48MHz internal oscillator core that delivers up to 12 MIPS throughput. Packaged in a compact 28-pin QFN-EP (6x6 mm) with exposed thermal pad, it belongs to the PIC18 J-series and incorporates nanoWatt XLP (eXtreme Low Power) technology for battery-friendly operation, including a deep-sleep mode that drops current consumption into the nanoamp range. An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data bus, on-chip program and data memory, and integrated peripherals such as timers, ADC, and communication interfaces. Within the broader taxonomy, the PIC18F26J13 sits in the hierarchy: PIC18F26J13 -> PIC18 microcontroller family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. XLP variants extend this with sub-uA sleep modes targeted at energy harvesting, wearables, and battery-backed sensor nodes. Key features include 22 digital I/O pins, a 12-bit A/D converter with up to 10 channels, multiple communication interfaces (EUSART, I2C, SPI), and four 16-bit timers. The internal 48 MHz oscillator can be tuned to 8 MHz for low-power operation, while the deep-sleep mode and Idle mode allow the device to wake on peripheral events without full CPU restart. The 28-QFN exposed pad provides a low thermal resistance path for sustained industrial-grade operation at -40C to +85C. The architecture combines a RISC-style Harvard bus with a wide instruction set (83 base instructions, single-cycle multiply), and the CIP (Core Independent Peripherals) ecosystem - including mTouch capacitive touch, RTCC, and DMA on related parts - reduces firmware burden for mixed-signal designs. Flash endurance is rated for 10,000 erase/write cycles typical, with self-programmability for in-field firmware updates. Typical applications include consumer electronics with capacitive touch interfaces, low-power wireless sensor nodes, portable medical devices, USB-CDC/HID peripherals, and industrial control modules with mixed-signal front ends. The wide 2.15V-3.6V operating range also enables direct lithium-battery integration without an external regulator. Designers should allocate adequate PCB copper beneath the exposed pad (EP) for thermal dissipation and solder joint reliability; missing the EP connection is a common manufacturing pitfall. Decoupling should follow Microchip's 100 nF + 10 uF guideline placed within 5 mm of VDD/VDDCORE pins. This page synthesizes current distributor stock and pricing, verified drop-in same-package alternatives, and design guidance not consolidated in the manufacturer datasheet - useful for both design-in engineers and supply-chain planners evaluating second-source options.

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PIC18F26J13T-I/SS

PIC18F26J13T-I/SS - 64KB Flash 8-bit MCU, 48MHz, 28-SSOP | Microchip

The Microchip Technology PIC18F26J13T-I/SS is a high-performance 8-bit PIC microcontroller built on the enhanced PIC18 J-series core, integrating 64 KB of Flash program memory and 3.8 KB of RAM in a 28-pin SSOP package. It operates at up to 48 MHz (12 MIPS) and integrates a 12-bit A/D converter with nanoWatt XLP ultra-low-power technology for energy-constrained designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals onto one silicon die. The 8-bit PIC18 architecture from Microchip extends the legacy PIC16 instruction set with C-optimized instructions, linear memory addressing up to 2 MB, and prioritized interrupts, sitting in the broader taxonomy of microcontroller -> embedded controller -> semiconductor. The PIC18F26J13 family specifically targets applications requiring moderate Flash density with rich analog and communication peripherals. Key features include 64 KB Flash, 3.8 KB RAM, 12 MIPS CPU throughput at 48 MHz, 12-bit ADC with up to 10 channels, dual I2C/SPI/UART interfaces, and nanoWatt XLP technology enabling deep-sleep currents in the nanoampere range. The device also offers 256 bytes of EEPROM, 4 timers, and a charge time measurement unit (CTMU) for capacitive touch sensing, providing a comprehensive peripheral set in a compact footprint. Technically, the PIC18F26J13 employs a modified Harvard architecture with separate program and data buses, 16-bit instructions, and an 8-level hardware stack. The 12-bit ADC supports up to 12 channels with automatic acquisition, and the CTMU enables touch sensing and time-of-flight measurements. nanoWatt XLP technology reduces deep-sleep current to under 100 nA, enabling battery-powered applications with multi-year lifetimes. Typical applications include consumer appliances, industrial control, sensor nodes, low-power battery products, USB peripherals, and capacitive touch human-machine interfaces. The wide peripheral integration makes the PIC18F26J13 a flexible choice for designs requiring analog sensing and multiple communication interfaces without external components. When designing, note that the 'T' suffix in PIC18F26J13T-I/SS denotes tape-and-reel packaging, while the 'I' indicates the industrial temperature grade (-40C to +85C). The 28-pin SSOP package offers compact board area but limits I/O count; consider the 44-pin variants for designs needing more pins. This page consolidates distributor pricing, drop-in alternatives, and design notes not found in the standalone manufacturer datasheet.

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PIC18F26J11T-I/SO - 8-Bit 48MHz 64KB Flash MCU 28-SOIC | Microchip

PIC18F26J13-I/SO - 8-bit 48MHz MCU 64KB Flash 28-SOIC | Microchip

PIC18F26J13-I/SP - 64KB Flash 8-bit MCU 48MHz | Microchip

PIC18F26J13-I/SS - 8-bit 48MHz 64KB Flash MCU | Microchip

PIC18F26J13T-I/ML - 64KB Flash, 48MHz 8-bit XLP MCU | Microchip

PIC18F26J13T-I/SS - 64KB Flash 8-bit MCU, 48MHz, 28-SSOP | Microchip