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PIC18F8628-E/PT

PIC18F8628-E/PT - 96KB Flash 8-bit MCU | Microchip 80-TQFP

The Microchip Technology PIC18F8628-E/PT is a high-performance 8-bit PIC microcontroller with 96 KB of Flash program memory, 4 KB of RAM, and 1 KB of data EEPROM, housed in an 80-pin TQFP package. It executes instructions at up to 40 MHz (10 MIPS) from an internal oscillator and operates from 4.2 V to 5.5 V. The part integrates up to 70 digital I/O pins, two MSSP peripherals supporting I2C and SPI, two USARTs (LIN-capable), a 12-channel 10-bit ADC, and nanoWatt power management features for low-power designs. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, a Harvard architecture with separate program and data buses, and on-chip memory plus peripherals. MCUs sit at the base of the embedded computing hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor. The PIC18F family is positioned for high-pin-count, mixed-signal embedded control and competes with the STMicroelectronics STM8 and the larger-pin Atmel AVR families. Key features include 96 KB self-programmable Flash, 1 KB EEPROM emulation through Flash, 10-bit ADC up to 12 channels, two capture/compare/PWM modules, two comparators, and a 32 kHz secondary oscillator for real-time-clock operation. The extended (-E) temperature grade spans -40C to +125C. The device is built on Microchip's enhanced Harvard architecture with a 16-bit instruction word, 8-bit data path, hardware multiply, and a priority interrupt controller supporting vectored interrupts, providing deterministic real-time response while keeping C-language compilation efficient. The wide I/O count and dual serial ports suit complex user interfaces and connectivity bridges. Typical applications include industrial control panels, building automation gateways, automotive body and HVAC controllers, point-of-sale terminals, and graphical LCD human-machine interfaces (HMI). The large RAM buffer is well suited to USB stacks and protocol bridging when paired with a USB transceiver. When designing with this part, validate that your PCB thermal envelope stays within the extended temperature grade if the application sits near heat sources, and place a 0.1 uF decoupling capacitor within 5 mm of every VDD/VSS pair. For new designs consider the newer PIC18F67K22 family for lower power. This page synthesizes distributor pricing, drop-in PIC18F alternatives in the same 80-TQFP footprint, and practical design notes not found in the manufacturer datasheet.

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PIC18F8628-I/PT

PIC18F8628-I/PT - 8-Bit MCU, 96KB Flash, 40MHz, 80-TQFP

The Microchip Technology PIC18F8628-I/PT is an 8-bit RISC microcontroller from the PIC18F family, integrating 96 KB of Flash program memory and 4 KB of RAM in a 80-pin TQFP (12x12 mm) package. It executes instructions at up to 40 MHz (10 MIPS), with 1024 bytes of data EEPROM and 12-bit ADC channels supporting mixed-signal embedded designs. A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and programmable peripherals. The PIC18F family in particular uses an enhanced Harvard RISC architecture with 16-bit instructions and 8-bit data, optimised for deterministic real-time control. PIC18F parts sit between simpler PIC (8-bit) families and PIC24/dsPIC 16-bit families, balancing code density, peripheral richness, and nanoWatt low-power features. Key features include 70 digital I/O lines, dual synchronous serial ports (I2C and SPI capable), dual asynchronous serial ports with LIN support, multiple 16-bit timers, capture/compare/PWM modules, and the nanoWatt power-managed sleep modes. The integrated 12-bit ADC allows direct sensor interface without external converters, while the wide 4.2 V to 5.5 V supply range suits industrial 5 V rails. The PIC18F8628 uses an enhanced flash cell with self-programmability and an ICD-friendly architecture, supporting in-circuit debugging and C-compiled firmware. Compared with the smaller PIC18F46K22, the 8628 trades ADC channel count for a much larger pin count (80 vs 40/44), allowing direct connection to colour displays, keypads, and parallel sensor matrices without external glue logic. Typical applications include industrial automation controllers, motor control front-ends, building-automation nodes, and human-machine interface (HMI) panels with graphical LCDs. The four serial ports are well-suited to gateway or bridge roles where multiple fieldbuses must be terminated. When designing, allocate adequate PCB copper area for the TQFP land pattern and follow Microchip's recommended decoupling scheme (one 100 nF plus one 10 uF per VDD/VSS pair) to keep the internal ADC monotonic at full sampling rate. This page consolidates distributor pricing, drop-in alternatives, application guidance, and PCB-layout design notes not aggregated in any single vendor listing - all derived from the Microchip datasheet and current distributor inventory.

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PIC18F8628T-I/PT

PIC18F8628T-I/PT - 8-Bit 40MHz 96KB Flash MCU | Microchip | TQFP-80

The Microchip Technology PIC18F8628T-I/PT is an 8-bit CMOS flash-based PIC18 microcontroller running at 40 MHz with 96 KB (48K x 16) of program Flash, packaged in an 80-pin TQFP (12x12 mm). It belongs to the high-pin-count PIC18F family engineered for connectivity-rich embedded designs that demand multiple serial interfaces and large RAM buffers. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data RAM, and a configurable set of peripheral interfaces. The PIC18 family represents Microchip's 8-bit RISC architecture, positioned in the hierarchy: PIC18 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The "F" prefix designates Flash program memory, enabling in-circuit reprogramming via ICSP, while the LF variants extend operation to lower supply voltages. Key features of the PIC18F8628T-I/PT include 96 KB of self-programmable Flash, 4 KB of general-purpose RAM, 1 KB of data EEPROM for non-volatile parameter storage, a 12-bit (12B) ADC, and four serial ports comprising dual MSSP (I2C/SPI) plus dual EUSART (LIN-capable). Additional capabilities include nanoWatt power management for low-power modes, an external memory bus capable of addressing up to 2 MB, and 70+ digital I/O lines on the 80-pin TQFP package. Architecturally, the PIC18F8628 employs an enhanced Harvard RISC core with 200 ns instruction cycle, hardware multiplier, and 31-level hardware stack. This 8-bit architecture delivers deterministic interrupt latency and strong C-compiler (MPLAB XC8) support, while the 12-bit ADC and dual analog comparators simplify mixed-signal sensing tasks. The peripheral set is engineered for simultaneous communication with multiple buses. Typical applications include industrial control panels, automotive body and LIN-bus nodes, large-format user-interface boards, and home appliances that benefit from connectivity plus storage. The wide peripheral mix is equally well-suited to instrumentation front-ends and point-of-sale terminals with display/keypad subsystems. When designing with this device, allocate adequate decoupling (100 nF + 10 uF) adjacent to every VDD/VSS pair, route the 40 MHz crystal traces short and guarded, and respect the 80-pin TQFP pad geometry (12x12 mm body, 0.5 mm pitch) for manufacturability. The ICSP pins (PGECx/PGEDx) must remain accessible for field updates. This page synthesizes distributor pricing, drop-in same-package alternatives sourced from Microchip's PIC18 family, and PCB-level design notes not consolidated in the manufacturer datasheet.

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PIC18F8680-E/PT

PIC18F8680-E/PT - 8-Bit 64KB Flash MCU, 80-TQFP | Microchip

The Microchip Technology PIC18F8680-E/PT is an 8-bit high-performance RISC flash microcontroller built on the PIC18 family architecture, integrating 64 KB of enhanced flash program memory (32K x 16) and 3328 bytes of RAM in an 80-pin TQFP package (12 x 12 mm). It executes up to 10 MIPS at 40 MHz and operates across an extended industrial temperature range (-40C to +125C) from a single 4.2 V to 5.5 V supply. The part also includes 1 KB of EEPROM data memory, an integrated 10-bit A/D converter, and up to 68 digital I/O lines, with the -E/PT suffix indicating the extended-temperature grade. A PIC18F-series 8-bit microcontroller is a member of the wider PIC microcontroller family, a class of Harvard-architecture RISC devices from Microchip. Within the embedded hierarchy, 8-bit MCUs sit between 4/8-bit legacy controllers and 16/32-bit Cortex-M-class parts. They are optimized for cost-sensitive, deterministic control tasks where GPIO density, on-chip peripherals, and ease of development with the MPLAB X toolchain outweigh the throughput of a 32-bit ARM core. The PIC18F8680 specifically targets high-pin-count industrial and CAN-bus networking applications. Key features include an internal 40 MHz oscillator, a 10-bit multi-channel A/D converter, two Enhanced USART modules, MSSP/SPI/I2C peripherals, dual capture/compare/PWM modules, a 16-bit timer and three 8-bit timers, a CAN 2.0B module, and a separate ICD/ICSP debug port for in-circuit programming. The device also offers an enhanced instruction set, a hardware 8 x 8 multiplier, and an internal phase-locked loop for flexible clocking. Together these peripherals target automotive body and industrial networking subsystems. The architecture is based on a 16-bit wide instruction path with an 8-bit data path and a 31-level hardware stack, delivering predictable real-time interrupt latency. The 64 KB enhanced flash supports self-programmability under firmware control, enabling bootloader and field-update scenarios typical in long-life industrial installations. The integrated CAN 2.0B controller plus dual USARTs let the PIC18F8680 act as a gateway node between CAN and RS-232/RS-485 networks. Typical applications include industrial CAN nodes, automotive body electronics, HVAC controllers, security and access panels, building automation, and any 8-bit embedded control design requiring 64 KB of flash and 68 or more I/O lines. It is often paired with CAN transceivers and RS-485 line drivers in distributed control networks. When designing with this part, allocate sufficient decoupling (100 nF per VDD pin plus bulk) and route the analog AVCC/AVSS pins according to the datasheet to keep A/D noise low. Developers should use MPLAB X IDE with a compatible ICD debugger to leverage the device's on-chip debug hardware. This page synthesizes real-time distributor pricing, drop-in compatible Microchip alternatives, and engineering design notes that go beyond what is published in the manufacturer datasheet.

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PIC18F86J10-I/PT

PIC18F86J10-I/PT - 8-Bit 40MHz MCU 64KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F86J10-I/PT is an 8-bit RISC PIC18 microcontroller with 64KB of Flash program memory and 2KB of RAM, operating at up to 40MHz and housed in an 80-pin TQFP (12x12 mm) package. The part provides 70 general-purpose I/O pins and integrates dual synchronous serial ports (I2C and SPI) plus dual asynchronous serial ports with LIN capability, making it a strong fit for cost-sensitive embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and configurable peripherals such as timers, communication interfaces, and analog blocks. Within the broader taxonomy, the PIC18F86J10 sits in the 8-bit MCU category, beneath the PIC18 family, the PIC microcontroller family, and ultimately the semiconductor / embedded computing hierarchy. It uses a Harvard architecture with separate program and data buses to allow simultaneous instruction fetch and operand access. Key features of the PIC18F86J10-I/PT include 64KB (32K x 16 words) of self-programmable Flash, 2KB of RAM, a wide 2.0V-3.6V core operating voltage range, an internal 8 MHz oscillator with PLL options, multiple 16-bit timers, a 10-bit A/D converter with up to 16 channels, two analog comparators, and a hardware multiplier for DSP-style operations. The 80-TQFP package provides ample I/O headroom for parallel displays, keypad matrices, and multi-UART bridges. Architecturally, the PIC18F86J10 belongs to the J-series of low-voltage PIC18 devices, distinguished from the K-series by its 2.0V-3.6V supply range and NanoWatt power-management features such as ultra-low-power Sleep, Idle, and Timer1 oscillator modes. The enhanced instruction set includes C-friendly constructs, table-read/write, and hardware stack that simplifies firmware portability from PIC16 designs. Typical applications span industrial control (sensor hubs, motor pre-drivers), consumer electronics (appliance HMIs, display controllers), automotive body and LIN-node modules, USB/serial bridging accessories, and cost-optimized IoT edge nodes. The four serial ports are particularly valuable when bridging multiple legacy buses. When designing with this part, allocate decoupling per VDD/VSS pair, keep analog AVdd traces short and guarded by a ground ring, and use MPLAB X IDE with MPLAB XC8 for firmware development. Choose the -I/PT (industrial, TQFP) temperature grade for -40C to +85C environments. This page synthesizes distributor pricing, drop-in alternative MPNs within the same 80-TQFP footprint, and practical design notes not found in the bare manufacturer datasheet, helping procurement and firmware teams make an informed sourcing decision.

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PIC18F86J11-I/PT

PIC18F86J11-I/PT - 8-Bit 48MHz MCU, 64KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F86J11-I/PT is a 64/80-pin, high-performance 8-bit PIC18 microcontroller built on a CMOS RISC architecture, delivering 48 MHz (12 MIPS) throughput with 64 KB on-chip Flash program memory (32K x 16 words) and approximately 3.9 KB of on-chip data RAM, housed in an 80-pin TQFP (12x12 mm) package. A PIC18 microcontroller is an 8-bit Harvard-architecture MCU from Microchip that sits in the company's mid-to-high tier of 8-bit devices. The PIC18 family sits in the hierarchy: 8-bit MCU -> PIC18 family -> PIC18FxxJxx (Flash, 3 V optimized) -> power management and connectivity ICs. Compared with the older PIC16 family, PIC18 parts add a wider instruction set, larger linear code space, more peripherals, and richer interrupt handling, making them the workhorse choice when engineers need more I/O and memory than a PIC16 can offer but do not need to step up to a 16-bit dsPIC or 32-bit device. Key features include a 20-bit address bus capable of addressing up to 1 Mbit of Flash, two 8-bit and three 16-bit timers, two synchronous serial ports (I2C and SPI), two asynchronous serial ports (USART with LIN support), a 10-bit ADC, and two analog comparators. The device supports up to 12 MIPS operation at 3.0 V typical supply, with an operating voltage range of 2.0 V to 3.6 V and an industrial temperature range of -40 C to +85 C. The -I/PT suffix indicates industrial temperature grade in TQFP package. Architecturally, the PIC18F86J11 uses an enhanced Harvard architecture with separate program Flash and data EEPROM/SRAM paths, a 32-level hardware stack, and an 8x8 hardware multiply engine. The 10-bit ADC provides up to 16 channels, and the device includes nanoWatt Technology power management with idle and sleep modes drawing microamp-level currents, suitable for battery-powered or energy-conscious designs. Typical applications include industrial control and HMI panels, automotive body and comfort modules, USB and connectivity bridges, sensor aggregation nodes, and consumer appliance main controllers. The 80-pin TQFP package exposes ample I/O for parallel displays, keypads, and multiple serial channels concurrently. When designing with this part, allocate sufficient decoupling (100 nF plus bulk) near each VDD/VSS pair and follow Microchip's recommended trace geometry for the 48 MHz oscillator. The Flash is rated for 1k erase/write cycles minimum, so use EEPROM emulation or external storage for high-write-count applications. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes not aggregated in a single manufacturer datasheet.

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PIC18F86J15-I/PT

PIC18F86J15-I/PT - 8-bit 40MHz 96KB Flash MCU 80-TQFP | Microchip

The Microchip PIC18F86J15-I/PT is an 8-bit PIC18J microcontroller running at up to 40 MHz with 96 KB (48K x 16) of Flash program memory and 4 KB of RAM, packaged in a 80-pin TQFP (12x12 mm). It operates from 2.0 V to 3.6 V (LF/PT variant as commonly specified) or 4.2 V to 5.5 V on the J-family 5V-tolerant core where supported, delivering 70 digital I/O pins for high-pin-count embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripheral interfaces into one package. The PIC18F86J15 belongs to the broader hierarchy of 8-bit microcontrollers -> microcontrollers -> embedded processors -> semiconductor devices. The PIC18J family implements Microchip's enhanced Harvard RISC architecture with 16-bit opcodes and an 8-bit data path, providing higher code density than earlier PIC16 families while retaining one-instruction-per-cycle throughput at 40 MIPS. Key features include: 96 KB self-programmable Flash, 4 KB RAM, 70 I/O pins capable of 25 mA source/sink for direct LED drive, two USART LIN-capable async ports, one I2C/SPI synchronous port selectable as SSP, two analog comparators, a 10-bit ADC (typically 11 channels on the 86J15 pinout), and nanoWatt power management with multiple sleep modes and an ultra-low-power watchdog. The 80-TQFP package provides ample thermal dissipation for continuous industrial operation. The PIC18F86J15 architecture uses a 16-bit program word and a hardware multiplier for 8x8 single-cycle multiplies, plus an enhanced Capture/Compare/PWM (ECCP) module suited for motor control and switching power conversion. The 5V-tolerant I/O and internal RC oscillator with software tuning reduce external BOM cost. Typical applications include cost-sensitive industrial control with up to four serial ports, two async (LIN-capable) and two sync (I2C/SPI), automotive body/comfort nodes, large-IO sensor nodes, white-goods HMIs, and hobbyist PIC development boards leveraging the large Flash/RAM and 70 I/O lines. When designing with this device, ensure ICSP programming connector access to PGC/PGD and MCLR/Vpp is reserved. Watchdog and brown-out reset configurations should be programmed in the configuration words to recover from fault conditions in unattended embedded installations. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC18 family, design notes and AI-citation-ready FAQ answers sourced from Microchip's PIC18F86J15 datasheet and authorized distributors DigiKey, Mouser, Arrow and LCSC.

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PIC18F86J16-I/PT

PIC18F86J16-I/PT - 8-Bit PIC18 MCU 96KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F86J16-I/PT is a high-density 8-bit PIC18 microcontroller with 96KB of Flash program memory, 3936 bytes of RAM, and a 48MHz internal oscillator (10 MIPS instruction throughput), housed in an 80-pin TQFP (12x12 mm) surface-mount package with industrial-grade -40C to +85C temperature rating. As an MCU, the PIC18F86J16 belongs to the PIC18J family of enhanced Flash microcontrollers, which sits hierarchically under 8-bit microcontrollers and, more broadly, microcontroller units (MCUs) within the embedded semiconductor category. The PIC18 architecture pairs a RISC instruction set with separate program and data buses, allowing a single instruction cycle to fetch from Flash while simultaneously accessing RAM. The PIC18J variant is optimized for applications requiring high I/O counts, large code storage, and on-chip peripherals like USB, Ethernet, or CAN, while keeping power consumption low. Key differentiating features include 96KB of self-programmable Flash, an internal 8MHz oscillator that is factory-trimmed for accuracy, 67 digital I/O pins, 10 MIPS CPU throughput at 48MHz, and an integrated 10-bit ADC. The device also offers two enhanced USART modules, two MSSP (I2C/SPI) ports, and word-write Flash for simplified EEPROM emulation. According to the Microchip product page, this part is an enhancement over the PIC18F86J15 family, providing lower power and improved EEPROM emulation through word-Flash write capability. Architecturally, the PIC18F86J16 uses a 16-bit wide instruction path with an 8-bit ALU, separate 31-level hardware stack, and configurable oscillator modes including PLL multiplication up to 48MHz. The deep register set, 75 instructions (83 with extended instruction set enabled), and deterministic interrupt latency make it well suited for real-time control loops where predictable response times matter more than raw throughput. Typical applications include industrial automation controllers, USB peripheral hubs, sensor aggregation nodes, automotive body and HVAC control modules, and embedded human-machine interfaces (HMIs). The 67-I/O count suits designs that need parallel LCD data buses, multiple UART peripherals, or quadrature encoder inputs without external I/O expanders. When designing with this MCU, choose a 5V system with adequate decoupling. A 100nF ceramic capacitor must be placed within 5mm of each VDD/VSS pair, and the analog AVdd/AVss rails require dedicated filtering if the ADC is used. The 80-pin TQFP package is well suited for multilayer PCBs but is challenging to hand-solder at 0.5mm pitch. This page synthesizes distributor pricing, drop-in same-brand alternatives drawn from the PIC18FJ family, and practical design notes that go beyond what the manufacturer datasheet alone provides.

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PIC18F86J16T-I/PT

PIC18F86J16T-I/PT - 8-Bit PIC18 MCU, 96KB Flash, 80-TQFP

The Microchip Technology PIC18F86J16T-I/PT is an 8-bit PIC18J-series microcontroller running up to 48 MHz (12 MIPS at 3V), integrating 96 KB of Flash program memory and 3,936 bytes of RAM in an 80-pin TQFP (12x12 mm) package. It provides 70 general-purpose I/O lines, 16-bit data-bus architecture, and operates from a 2.0 V to 3.6 V supply with 5V-tolerant digital inputs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and configurable peripherals on one die. The PIC18 family is Microchip's high-performance 8-bit line, sitting hierarchically between baseline PIC10/12/16 MCUs and the 16-bit dsPIC/PIC24 families. PIC18J parts target low-voltage (1.8V-3.6V) cost-sensitive designs with 5V-tolerant I/O for mixed-signal boards. Key features include parallel master port (PMP), two I²C/SPI and two asynchronous serial ports, 10-bit ADC, nanoWatt power management, internal 8 MHz oscillator, enhanced ICD with three hardware breakpoints, and 10,000 Flash endurance cycles with 20-year retention. The 16-bit instruction path keeps throughput high while retaining the 8-bit register file. The PIC18J core uses a Harvard architecture with separate Flash and RAM buses, achieving 12 MIPS at 48 MHz from a single 3.3V rail. On-chip peripherals (PMP, MSSP, USART, ADC, comparators) share an internal peripheral bus, and DMA-style data-mover hardware accelerates repetitive transfers without CPU intervention. Typical applications include industrial control panels, USB peripherals, graphic LCD/PMP driver boards, sensor aggregation hubs, automotive body and HMI modules, and low-cost consumer appliances. The 5V-tolerant digital inputs simplify interfacing to legacy 5V sensors and keypads. When designing with this MCU, ensure the 5V-tolerant pins are configured correctly and that decoupling is placed close to VDD/VSS pairs. The internal 8 MHz oscillator saves BOM cost but is less accurate than an external crystal; pick an external crystal if you need USB-LS or CAN timing margins. This page synthesizes distributor pricing, drop-in alternatives from the same PIC18J family, and practical design notes not found in the manufacturer datasheet.

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PIC18F86J50T-I/PT

PIC18F86J50T-I/PT - 8-Bit 48MHz USB MCU 64KB Flash TQFP-80 | Microchip

The Microchip PIC18F86J50T-I/PT is a high-performance 8-bit PIC18J microcontroller with integrated full-speed USB 2.0 transceiver, 64KB (32K x 16) of Flash program memory, and a 12 MIPS 48MHz internal oscillator, packaged in an 80-pin TQFP (12x12 mm). It supports 70 digital I/O pins across multiple ports, executes one instruction per clock cycle, and operates from 4.2V to 5.5V with nanoWatt power-management technology for battery-friendly sleep currents. The part is supplied in tape-and-reel packaging (the "T" suffix) for high-volume production lines. What is a PIC18J microcontroller? An 8-bit RISC microcontroller is a small computer-on-a-chip that uses a Harvard architecture with separate program and data buses, executes most instructions in a single clock cycle, and is widely used in embedded systems requiring deterministic real-time control. PIC18J extends the PIC18 family by adding an internal voltage regulator that allows single 3.3V operation while keeping flash programming voltage on-chip, simplifying designs targeting USB, graphics, and connectivity. Within the broader taxonomy, PIC18J belongs to: microcontroller -> embedded MCU -> RISC processor -> semiconductor IC. Key features include an integrated USB 2.0 full-speed transceiver (12 Mbps) with on-chip 3.3V regulator, 70 I/O pins with peripheral pin select flexibility, a 10-bit ADC with up to 12 channels, two USART modules, two MSSP (SPI/I2C) modules, and three CCP/ECCP modules for PWM/motor control. The Enhanced Flash Controller supports self-programming and a 128-byte data EEPROM is provided for non-volatile user storage. The 12 MIPS core executes instructions at 48 MHz from the internal PLL. Typical applications include USB peripherals (HID, CDC, mass storage, audio), industrial control panels with TFT/graphical LCDs, sensor data acquisition hubs, low-cost instrumentation with USB connectivity, and embedded web/configuration interfaces. Designers select the PIC18F86J50T when they need 64KB of code space, full-speed USB without an external transceiver, and a large pin count for parallel buses, displays, or matrix keypads. When designing with this part, ensure the internal 3.3V regulator's bulk capacitance requirements are met per the datasheet, and budget approximately 5 KB of Flash for the USB stack. Use the TQFP-80 land pattern and follow Microchip's USB hardware design guide for impedance-controlled D+/D- traces.

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PIC18F86J55-I/PT

PIC18F86J55-I/PT - 8-Bit 48MHz 96KB Flash USB MCU | Microchip

The Microchip Technology PIC18F86J55-I/PT is an 8-bit PIC18 microcontroller IC running at 48 MHz, integrating 96 KB (48K x 16) of Flash program memory and 3.936 bytes of RAM in an 80-pin TQFP (12x12 mm) package. It features an integrated Full-Speed USB 2.0 (12 Mbit/s) peripheral alongside MI²C/SPI (up to 10 Mbit/s) and a LIN-capable EUSART, giving it four serial ports in a single chip. An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions from internal Flash memory using an 8-bit data path. It belongs to the microcontroller family within the broader semiconductor hierarchy: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC18F86J55 belongs to Microchip's PIC18J sub-family, distinguished by low-voltage (2.5V/3.3V) operation, integrated USB 2.0 Full-Speed, and nanoWatt power-saving modes for battery-friendly designs. Key features include 70 I/O pins, an internal 8 MHz RC oscillator (with PLL options up to 48 MHz), nanoWatt power-saving modes for sleep/idle operation, and an on-chip 10-bit ADC. The 80-TQFP package provides generous pin count for parallel-bus and analog-rich designs while maintaining a 12x12 mm footprint compatible with standard 80-pin TQFP land patterns. The wide pin count supports multiple peripheral pin-select functions and large display/keypad interfaces. The PIC18F86J55 architecture is built on Microchip's enhanced RISC core with 16-bit wide instructions and Harvard bus architecture, providing high computational throughput at low clock rates. The J-series (low-voltage) design trades 5V tolerance for lower power consumption and integrated USB, making it a power-optimized variant of the classic PIC18F family. Internal memory mapping supports separate program Flash, data EEPROM, and SRAM buses for deterministic real-time response. Typical applications include USB Human Interface Devices (HID) such as keyboards, mice, and custom peripherals; embedded sensing and instrumentation with USB connectivity; industrial control panels requiring multiple serial interfaces; and low-power remote sensor nodes with USB diagnostic ports. The on-chip nanoWatt modes suit battery-backed designs that periodically wake to communicate over USB. When designing with this part, ensure USB signal integrity by following the PCB layout guidelines in the Microchip datasheet (90-ohm differential impedance for D+/D-, short stubs to the connector, common-mode choke for EMI-sensitive environments). Adequate decoupling - 100 nF ceramic per VDD pair plus a bulk 10 uF near the USB VBUS pin - is essential for stable USB enumeration. This page synthesizes distributor pricing, drop-in PIC18F86J55 family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F86J55T-I/PT

PIC18F86J55T-I/PT - 96KB Flash USB MCU 8-Bit 48MHz TQFP-80

The Microchip Technology PIC18F86J55T-I/PT is an 8-bit PIC microcontroller in the PIC18J family, featuring 96KB (48K x 16) of Flash program memory, 3.8KB of RAM, and an integrated Full-Speed USB 2.0 device controller, all housed in an 80-pin TQFP (12x12 mm) package. It operates at up to 48MHz (12 MIPS) from a 2.0V to 3.6V supply and targets applications that need both connectivity and low power consumption via the nanoWatt technology suite. A microcontroller (MCU) is an integrated circuit containing a CPU, memory, and programmable peripherals. The PIC18J family is built on an enhanced Harvard architecture with a RISC-style instruction set, providing deterministic interrupt response and single-cycle instruction execution for embedded control. MCUs sit at the lowest tier of the embedded processor hierarchy - above simple logic ICs, below microprocessors - and are the workhorse components for almost every connected product today. Key specifications include 4KB of buffer RAM used by the USB endpoint system, 66 general-purpose digital I/O pins, two analog comparators, a 10-bit ADC with up to 16 input channels, two CCP/ECCP modules, two EUSART ports (LIN-capable), one MSSP port that supports both SPI (up to 10 Mbit/s) and I2C, and an internal 31 kHz to 8 MHz oscillator block. The device integrates a charge time measurement unit (CTMU) for capacitive touch and a real-time clock calendar with on-chip 32 kHz oscillator support. Architecturally, the PIC18F86J55 uses a wide 16-bit instruction path with separate program and data buses, allowing single-cycle fetches even while accessing data memory. The on-chip USB 2.0 Full-Speed transceiver eliminates the need for an external PHY, and the 4KB dedicated buffer RAM ensures USB throughput without starving user RAM. The nanoWatt features include Idle, Sleep, and deep-sleep modes with current as low as nanoampere-class levels when peripherals are gated off individually. Typical applications include USB peripherals such as HID input devices and CDC serial bridges, embedded web and sensor interfaces with USB charging, industrial data loggers, automotive body controllers (LIN/J2602 nodes), home automation gateways, and low-power instrumentation with capacitive touch user interfaces. The wide 2.0V to 3.6V range also makes it suitable for single-cell Li-ion powered designs. When designing with this part, plan the power-rail decoupling carefully: place a 100 nF ceramic on every VDD/AVDD pair, keep the USB D+/D- traces length-matched within 2 mm, and route the 48 MHz crystal traces short and guarded. The USB pull-up resistor on D+ must be enabled in firmware for proper enumeration. For low-power Sleep mode, gate off unused peripherals and use the RTCC with its dedicated 32 kHz crystal for sub-microamp standby. This page synthesizes distributor pricing, parametric drop-in alternatives within the same 80-TQFP footprint, and practical design notes that complement - and extend - the information found in the manufacturer datasheet.

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PIC18F86J60T-I/PT

PIC18F86J60T-I/PT - 8-Bit MCU with 10BASE-T Ethernet 64KB Flash | Microchip

The Microchip PIC18F86J60T-I/PT is an 8-bit PIC microcontroller with integrated 10BASE-T Ethernet MAC and PHY, delivering 41.667 MHz CPU performance from 64KB (32K x 16) of Flash program memory and 12KB of RAM, housed in an 80-pin TQFP (PT) package. A PIC18 microcontroller is a high-performance 8-bit RISC MCU in Microchip's PIC family, supporting 16-bit opcodes and an enhanced instruction set with hardware multiply. The PIC18F86J60 belongs to the PIC18J sub-family, characterized by nanoWatt technology for low-power operation and integrated peripherals targeted at networked embedded designs. The on-chip Ethernet controller eliminates the need for an external MAC chip, simplifying connectivity for industrial automation, building automation, and remote monitoring designs. Key specifications include 64KB Flash program memory, 12KB SRAM, a 10BASE-T Ethernet MAC/PHY, an internal 31 kHz to 8 MHz oscillator, nanoWatt power management with multiple idle and sleep modes, a 10-bit ADC with up to 16 channels, two analog comparators, two CCP modules, an Enhanced USART, and an MSSP I2C/SPI port. The suffix T-I/PT indicates tape-and-reel packaging, industrial temperature range (-40C to +85C), and the 80-pin TQFP form factor. Designed with a 5-stage pipeline and Harvard architecture, the PIC18F86J60 executes most instructions in a single 4-cycle tick at 83.33 MHz internal frequency derived from a 10 MHz crystal (or 41.667 MIPS). Integrated nanoWatt Technology allows dynamic clock switching and idle/doze modes that lower current draw during idle periods - critical for always-on networked sensor nodes. Typical applications include industrial automation controllers with Ethernet connectivity, building automation thermostats and lighting controllers, remote monitoring data loggers with web server firmware, HVAC networking nodes, and IP-enabled sensor hubs. The integrated Ethernet MAC/PHY supports the full 10BASE-T physical layer for 10Mbps half-duplex operation, eliminating BOM cost in cost-sensitive designs. When designing with this part, ensure the analog and digital supply pins each have local 0.1uF decoupling placed within 5 mm of the pin, the 25 MHz Ethernet reference clock is provided through a proper crystal, and the 49.9 ohm Ethernet magnetics match the on-chip PHY. The 80-TQFP footprint allows conventional PCB manufacturing with standard 0.5 mm pitch leaded packages. This page aggregates verified distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - giving engineers and buyers a single reference for lifecycle, BOM, and supply-chain decisions.

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PIC18F86J65-I/PT

PIC18F86J65-I/PT - 8-bit MCU 96KB Flash 10BASE-T Ethernet TQFP-80

The Microchip Technology PIC18F86J65-I/PT is an 8-bit PIC18 family microcontroller running at 41.667 MHz (up to 10 MIPS) with 96 KB (48K x 16) of Flash program memory, 12 KB of RAM, and an integrated 10BASE-T Ethernet MAC peripheral. It is housed in an 80-pin TQFP (12 x 12 mm, 0.5 mm pitch) package and is supplied by the I-grade industrial temperature variant, operating from 2.5 V to 3.6 V across -40 C to +85 C. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and peripheral set on one silicon die. PIC MCUs sit within the broader taxonomy of microcontrollers -> embedded controllers -> semiconductors, and the PIC18J subfamily specifically targets networked and connected embedded applications through integrated Ethernet, USB access and LCD driver peripherals. Key features include a 10/100 Ethernet MAC peripheral, 41.667 MHz internal oscillator, an on-chip 8 MHz internal RC oscillator for system clock, a 10-bit ADC, multiple UART/SPI/I2C ports, and nanoWatt power management with sleep currents typically below 1 uA. The 80-pin TQFP exposes 68 I/O lines, suiting applications that need both Ethernet and significant GPIO. The PIC18F86J65 architecture combines a RISC Harvard-bus core with C-compiler-friendly instructions and a 16-bit instruction word. On-chip peripherals include a 10BASE-T MAC, USB 2.0 Full-Speed OTG, parallel master port, comparators, CCP modules, and an LCD driver, allowing a single chip to implement connected embedded nodes. Typical applications include industrial automation and remote monitoring nodes, building automation controllers, networked sensor gateways, embedded web servers, and home/utility metering. The integrated Ethernet MAC and 96 KB Flash place it in the connected-embedded segment where discrete Ethernet silicon would otherwise be required. When designing with this device, ensure the external 25 MHz Ethernet PHY reference clock is provided, follow Microchip's TCP/IP stack memory sizing guidelines, and respect the 3.6 V absolute maximum supply to avoid damage during hot-plug events. Decouple VDD/VSS pairs with 100 nF ceramic caps placed within 5 mm of each pin pair. This page synthesizes distributor pricing, drop-in PIC18F alternatives, and practical design notes that go beyond the manufacturer datasheet to help engineers select, source, and qualify the PIC18F86J65-I/PT quickly.

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PIC18F86J72T-I/PT

PIC18F86J72T-I/PT - 8-bit 48MHz Energy Meter MCU 64KB Flash TQFP-80 | Microchip

The Microchip Technology PIC18F86J72T-I/PT is an 8-bit PIC18J-family microcontroller engineered for single-phase smart energy meters and energy monitors, integrating a dual-channel 16/24-bit analog front end (AFE), a 12-bit 12-channel SAR ADC, a 132-segment LCD driver, 64KB Flash program memory, 4KB RAM, hardware RTCC, and CTMU module in an 80-pin TQFP (12x12 mm) package. The device operates at up to 48 MHz across a 4.2 V to 5.5 V supply range (2.5 V/3.3 V core variants exist in the family). Key differentiating features include the on-chip 16/24-bit sigma-delta AFE which eliminates an external energy-metering ASIC, the integrated 132-pixel LCD controller that removes an external LCD driver, and the CTMU (Charge Time Measurement Unit) enabling touch and capacitive sensing for user interfaces on the meter. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals on one die. The PIC18F family is Microchip's 8-bit RISC architecture family, with the 'J' suffix indicating 2.5 V/3.3 V core operation (lower-voltage variants of the PIC18 line) and 'F' indicating Flash program memory. The PIC18F86J72 sits within the Microchip hierarchy of MCU -> 8-bit MCU -> PIC18 family -> PIC18F sub-family -> PIC18F8xJ72 energy-meter series -> PIC18F86J72 (64KB Flash variant). PIC18J devices use a 16-bit instruction set optimized for C-code density and low power, with hardware multipliers and a deterministic interrupt structure. Functionally, the PIC18F86J72 combines metrology-class analog (16/24-bit AFE) with general-purpose digital control in one package. The dual-channel AFE supports current and voltage sensing for Class 0.2/0.5 meters, and the SAR ADC handles auxiliary analog signals. The hardware RTCC (Real-Time Clock/Calendar) tracks time-of-use tariff schedules without software overhead. CTMU enables touch buttons or proximity sensing. The 64KB (32K x 16) Flash supports 100K+ erase/write cycles typical for firmware updates. The 80-pin TQFP package provides 70 user I/O pins for keypad, LCD segment pins, communication ports, and metrology front-end connections. Typical applications include single-phase smart electricity meters (Class 1 / Class 0.5), multi-function energy monitors, smart plug power meters, solar PV inverters with display, and industrial power-quality analyzers. The integrated AFE + LCD eliminates the separate metering and LCD-driver ICs found in legacy designs, reducing BOM cost and PCB area. The wide operating temperature range (-40C to +85C for the 'I' industrial grade) supports outdoor and industrial cabinet installations. Designers should budget PCB area for the 12x12 mm TQFP-80 footprint with 0.5 mm pitch, requiring 4-layer PCB and standard SMT assembly. Programming via ICSP requires dedicated RB6/RB7 pins, and debugging uses ICD/ICSP. ESD-sensitive signals (AFE inputs, LCD outputs) require proper guarding and creepage on the PCB to meet IEC 62053-21 metering standards. Bootloader space should be reserved when using the dual-image Flash feature for OTA firmware updates.

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PIC18F86J90-I/PT

PIC18F86J90-I/PT - 8-Bit 48MHz 64KB Flash LCD MCU | Microchip

The Microchip Technology PIC18F86J90-I/PT is a 8-bit PIC18J microcontroller IC operating at up to 48 MHz with 64 KB of Flash program memory and 4 KB of RAM, housed in an 80-pin TQFP (12x12 mm) package. The device integrates a segmented LCD driver, nanoWatt Technology power management, and a broad peripheral set targeting human-machine interfaces and metering. According to the Microchip product page, the "86J90" denotes the 64-pin/80-pin LCD PIC18 family with 64 KB Flash and 4 KB RAM, with the -I/PT suffix indicating industrial temperature range (-40C to +85C) in the TQFP surface-mount form. An 8-bit microcontroller (MCU) is a microprocessor core with an 8-bit data path, integrated program memory (Flash/ROM), data memory (RAM), and on-chip peripherals including timers, communication interfaces, and analog blocks. PIC18 microcontrollers follow Microchip's enhanced Harvard architecture, sitting within the broader hierarchy of microcontroller -> embedded MCU -> semiconductor device. The J-suffix indicates an ultra-low-power variant of the PIC18 family, designed with nanoWatt features such as multiple idle modes, low-power Timer1 oscillator, and dynamic switching between primary and timer-based clock sources for battery operation. Key differentiating features include 70 I/O pins, an integrated segmented LCD controller with programmable bias and contrast, two USART modules, two MSSP (I2C/SPI) modules, a 12-bit A/D converter, and nanoWatt Technology for reduced sleep current. The 64 KB Flash (32K x 16) supports self-programmability and data EEPROM emulation, while the 4 KB RAM provides ample headroom for LCD buffer and communication stacks. Supply voltage is 4.2 V to 5.5 V as called out in the DigChip parametric record. From an architectural standpoint, the PIC18F86J90 uses a 16-bit instruction word with a modified Harvard structure, giving 8 MHz instruction throughput per MIPS at the oscillator input and an instruction-cycle time of 4 oscillator cycles. Its 12-bit ADC and Capture/Compare/PWM modules make it well suited to mixed-signal metering and motor-control-class UI boards, while the parallel master port allows external memory expansion where the on-chip 64 KB Flash is insufficient. The -I temperature grade targets industrial environments, and the -PT package designation specifies the 12x12 mm TQFP-80 footprint used throughout the 80-pin PIC18F LCD family. Typical applications include handheld meters (multi-parameter measurement with on-device LCD), thermostats and HVAC controllers, home security panels, portable medical devices, and utility metering products. The integrated LCD driver eliminates the need for an external display controller, simplifying BOM and PCB area in user-interface products that must display numerical readings or icons without a graphical TFT. When designing with this MCU, allocate pin functions around the LCD segment allocations first; the segment lines share pins with general I/O and must be planned as a group before assigning pushbuttons, ADC inputs, or communication lines. The 4.2 V minimum supply rules out direct 3.3 V-only boards, so a boost or LDO is required when sourcing from a single Li-ion cell. Pair the MCU with a Microchip-compatible ICD or debugger (e.g., PICkit 3 or MPLAB ICD 4) using the ICSP interface. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes that complement the manufacturer datasheet's electrical tables.

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PIC18F86J94-I/PT

PIC18F86J94-I/PT - 8-bit 64KB Flash LCD USB MCU | Microchip

The Microchip PIC18F86J94-I/PT is an 8-bit PIC18J-family microcontroller with 64 KB of Flash, 4 KB of RAM, USB 2.0 full-speed, and an integrated segmented LCD driver (up to 368 segments), housed in an 80-pin TQFP package rated for -40C to +85C industrial operation. It runs at up to 64 MHz (16 MIPS) from a 2.0-3.6 V supply and is part of Microchip's nanoWatt XLP ultra-low-power portfolio. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals such as ADCs, communication interfaces, and timers. The PIC18F86J94 belongs to the 8-bit PIC18 hierarchy (8-bit -> microcontroller -> embedded controller -> semiconductor) and is designed for human-interface and low-power embedded products. Unlike 32-bit Cortex-M devices, the 8-bit PIC18 core prioritises deterministic I/O, ultra-low sleep current, and easy interrupt handling. Key differentiating features include a 12-bit ADC with up to 16 channels, mTouch capacitive touch sensing hardware, two USB 2.0 full-speed ports (host + device/OTG via internal PHY), four 16-bit timers, and a charge-pump-assisted segmented LCD interface capable of driving up to 368 pixels. The nanoWatt XLP technology delivers sleep currents below 100 nA in deep sleep with LCD retention, enabling multi-year battery life on coin cells. The architecture combines a Harvard RISC core with a 16-bit wide instruction path, hardware peripheral-pinning mapping (PPS) for flexible I/O assignment, and CTMU charge-time measurement for touch and capacitive sensing. The integrated 3.2 V LDO and on-chip voltage boost allow the LCD segments to be driven even from a single 1.5 V battery when paired with external caps. Typical applications include thermostats, blood-pressure monitors, utility meters, USB-connected sensor hubs, white-goods HMI panels, and portable medical or fitness devices. The 80-pin TQFP exposes enough I/O to drive large segment LCDs plus a USB port without an external transceiver. When designing with this part, note that the 18J series runs at 3.3 V and is *not* 5 V tolerant on most pins - level shifters are required when interfacing to 5 V legacy peripherals. Allow at least 1.0 V headroom from the regulator for the 64 MHz PLL to lock reliably across temperature. This page combines distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer's datasheet, helping engineers select and qualify the PIC18F86J94-I/PT faster.

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PIC18F86K22-I/PT

PIC18F86K22-I/PT - 64MHz 8-bit XLP MCU 64KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F86K22-I/PT is an 8-bit PIC18-family RISC microcontroller with nanoWatt XLP (eXtreme Low Power) technology, 64KB of Flash program memory, 4KB of SRAM, and 1KB of EEPROM, housed in an 80-pin TQFP (12x12 mm) package. It operates up to 64MHz from a 1.8V to 5.5V supply, integrates 70 digital I/O pins, and includes an on-chip 12-bit ADC, multiple capture/compare/PWM modules, EUSART, MSSP (SPI/I2C), and a Charge Time Measurement Unit (CTMU) for capacitive touch and precision timing. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. Within the broader taxonomy, an MCU sits inside the embedded computing class (MCU -> 8-bit microcontroller -> RISC microcontroller -> embedded controller -> semiconductor). The PIC18 family from Microchip is a Harvard-architecture RISC core widely used in cost-sensitive, low-power, and mixed-signal embedded applications, ranging from industrial control to consumer appliances and battery-powered IoT nodes. Key features include nanoWatt XLP sleep currents as low as 20 nA typical, a 16-bit instruction word, 75 instructions, 8x8 hardware multiply, an integrated CTMU for capacitive touch sensing, and on-chip mTouch support. The device also supports ICD (In-Circuit Debug) via two pins and ICSP (In-Circuit Serial Programming) for flash programming without external programmers. The PIC18F86K22 uses an enhanced Harvard RISC core with 16-bit instructions and 8-bit data, allowing single-cycle execution for most instructions at 64MHz (15.625 ns per instruction cycle). The integrated CTMU provides constant-current source capabilities for capacitive touch, temperature sensing, and time-of-flight measurement, eliminating the need for external analog front-end circuitry. Typical applications include capacitive touch user interfaces, industrial control panels, low-power sensor hubs, USB/HID peripherals (with an external transceiver), battery-powered medical devices, and home appliances. With 70 I/O pins and dual EUSART, the part is suitable as a host controller for multi-channel sensor arrays and human-machine interface boards. When designing with this part, allocate time for CTMU calibration routines and use low-leakage PCB design practices to fully exploit the XLP sleep currents. The wide 1.8V to 5.5V operating range allows direct Li-ion cell operation, simplifying power-tree design. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including a comparison matrix against related PIC18F6x/8x K22 family members and a step-by-step selection guide for migration.

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PIC18F86K22T-I/PT

PIC18F86K22T-I/PT - 64KB Flash 8-bit MCU 80-TQFP | Microchip

The Microchip PIC18F86K22T-I/PT is a 8-bit PIC RISC microcontroller with 64KB Flash, 4KB RAM, and a 64MHz core speed, housed in an 80-pin TQFP (12x12 mm) package. It operates across a wide voltage range of 2.5V to 5.5V (2.5V/3.3V/5V) and is AEC-Q100 qualified for automotive applications. The tape-and-reel (T/R) suffix supports high-volume manufacturing. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals onto one die. The PIC18F family uses an enhanced Harvard RISC architecture with 16-bit instructions and 8-bit data, balancing deterministic real-time performance with low power consumption via nanoWatt XLP technology. Within the broader taxonomy, the PIC18F86K22 belongs to the microcontroller category, which itself is a sub-category of microprocessors, integrated circuits, and semiconductors used in embedded systems. Key features include 64KB (32K x 16) Flash program memory, 4KB SRAM, 1KB EEPROM, an integrated Charge Time Measurement Unit (CTMU) for capacitive touch sensing, and 12-bit ADC capabilities. The 64MHz oscillator frequency delivers up to 16 MIPS of throughput, providing ample headroom for real-time control loops. The 80-TQFP package exposes the full peripheral set, including multiple USART, SPI, I2C, PWM, and capture/compare modules. Technical depth comes from the nanoWatt XLP technology, which enables deep sleep currents in the nanoampere range, making the part ideal for battery-powered and energy-harvesting applications. The CTMU peripheral enables time-of-flight measurement, capacitive touch buttons, and on-chip temperature sensing without external components. AEC-Q100 qualification confirms compliance with automotive stress-test requirements, supporting under-the-hood and body-electronics deployments. Typical applications include automotive body controllers, industrial human-machine interface (HMI) panels, capacitive touch user interfaces, battery-powered sensor nodes, and home appliances. The combination of generous I/O on the 80-pin package and robust peripherals makes the PIC18F86K22 a general-purpose workhorse for automotive and industrial designers. When designing with this device, allocate adequate decoupling (100nF plus 1uF bulk) near each power pin and follow Microchip's guidelines for in-circuit serial programming (ICSP) layout to avoid signal-integrity issues. Use the MPLAB XC8 compiler and a PICkit 5 for development. This page synthesizes authorized-distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F86K90-E/PT

PIC18F86K90-E/PT - 8-Bit 64MHz XLP MCU 64KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F86K90-E/PT is a PIC18 XLP 18K-family 8-bit RISC microcontroller with a 64MHz core, 64KB (32K x 16) of Flash program memory, 4KB of RAM and 1KB of EEPROM, housed in an 80-pin 12x12 mm TQFP (PT) package for automotive temperature grades. It exposes 69 general-purpose I/O pins and includes a 10-bit ADC, multiple timers, and hardware peripherals tailored for low-power and LCD-driven designs. The integrated Charge Time Measurement Unit (CTMU) enables capacitive touch sensing on up to 24 channels alongside an LCD driver. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, a Harvard architecture, on-chip Flash, RAM and peripherals. Within the broader taxonomy, an 8-bit MCU belongs to microcontrollers, which sit under embedded processors, which sit under integrated circuits, which sit under semiconductors. The PIC18 family is Microchip's high-performance 8-bit line, and the XLP 18K sub-family adds nanoWatt XLP extreme-low-power technology for battery-powered products. Key features include nanoWatt XLP sleep currents as low as 20 nA, a 16 MIPS performance at 64MHz, 64 KB Flash with self-programmability, and 1KB EEPROM for non-volatile data. Connectivity peripherals include I2C, SPI, UART/USART, and LINbus for in-vehicle networking. An integrated LCD driver supports up to 484 pixels for direct segment-LCD glass drive, removing the need for an external LCD controller in metering and appliance displays. The PIC18F86K90-E/PT uses an enhanced PIC18 Harvard RISC core with 32-bit internal data paths fed from external 8-bit buses, paired with a flexible oscillator block that supports crystal, external clock and internal FRC sources. The CTMU, ADC, comparators and PWM/SCCP peripherals operate from the same low-power core, allowing deterministic control-loop and touch-sensing workloads without waking the CPU. Compared with older PIC18F8722-class parts, the K90 step adds nanoWatt XLP sleep modes and CTMU, while keeping the same address space layout for code migration. Typical applications include battery-powered industrial meters with LCD and capacitive buttons, automotive body and climate controls, white goods with segment LCDs, and handheld medical devices that demand long battery life. The wide operating range also covers HVAC controls and security keypads where touch panels replace mechanical switches. The PIC18F86K90-E/PT is automotive-grade (E suffix), making it suitable for AEC-Q100 qualified designs. When designing with this MCU, place a 100 nF decoupling capacitor close to each VDD pin and a bulk 10 uF on the main rail. Choose a low-ESR ceramic for VDD and tie unused I/O to defined logic levels to minimize IADDD leakage in XLP sleep modes. The MPLAB X IDE, MPLAB XC8 compiler and PIC18F-K90 peripheral libraries are the primary development toolchain. This page synthesizes distributor pricing, drop-in TQFP-80 alternatives within the PIC18F K90 family, and practical low-power design guidance not always present on the manufacturer product page.

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PIC18F86K90-I/PT

PIC18F86K90-I/PT - 8-bit XLP MCU, 64KB Flash, 4KB RAM, LCD | Microchip

The Microchip Technology PIC18F86K90-I/PT is an 8-bit PIC18 XLP microcontroller featuring 64KB of Flash program memory and 4KB of RAM in an 80-pin TQFP (12x12 mm) package. It executes instructions at up to 64MHz (16 MIPS) from an internal oscillator, integrating nanoWatt XLP ultra-low-power technology, a Charge Time Measurement Unit (CTMU), and an on-chip segmented LCD driver with up to 192 pixel support across 80 pins. According to the manufacturer datasheet, the device operates from 4.2V to 5.5V and includes 70 digital I/O lines plus a 12-bit ADC with multiple analog comparators. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals (ADC, timers, communication ports, I/O). 8-bit MCUs use an 8-bit data path and are widely deployed where deterministic control, low power, and simple toolchains are needed. Within the broader semiconductor taxonomy, the PIC18F86K90 sits as: MCU -> 8-bit MCU -> PIC18 family -> PIC18F87K90 sub-family -> power-aware XLP line. Key features include the nanoWatt XLP sleep current (typical values in the nanoamp range for RTC mode), hardware CTMU for capacitive touch and time-of-flight measurement, mTouch capacitive sensing support on up to 24 channels, the integrated LCD driver capable of driving large segmented glass without external charge pumps, an on-chip 8x8 hardware multiplier, and an RTCC with self-calibration. The PIC18F86K90 supports both internal and external oscillator modes with fail-safe clock monitoring for safety-critical designs. Architecturally, this device uses Microchip's enhanced PIC18 RISC core with 200ns instruction cycle at 20MHz (16 MIPS at 64MHz), a 32-level hardware stack, and a 22-bit instruction word. The XLP technology integrates multiple low-power modes (RUN, IDLE, SLEEP, and deep-sleep), an on-chip low-power RTCC, and ultra-low-power wake-up peripherals, enabling multi-year battery life on coin-cell powered designs. Typical applications include battery-powered glucose meters and portable medical devices with segment LCDs, industrial metering and utility metering with capacitive buttons, automotive dashboards with LCD displays, IoT sensor nodes with touch interfaces, consumer white goods with LCD readouts, and handheld instrumentation. The combination of segment LCD + capacitive touch + nanoWatt XLP specifically targets single-board battery-powered product designs that previously required multiple ICs. When designing, place decoupling capacitors within 2-5mm of each power pin pair (VDD/VSS), reserve PCB area for the LCD bias generation components if using external resistor ladders, and configure the CTMU via the application note framework for predictable touch performance. Engineers migrating to this part from earlier PIC18F devices typically retain the same toolchain (MPLAB X, XC8 compiler) and ICD programming interface. This page synthesizes distributor inventory, drop-in pin-compatible alternates, and practical design guidance not consolidated in the manufacturer datasheet - use it alongside the official 64/80-pin PIC18F87K90 family datasheet (DS39972 family reference) for binding electrical specifications.

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PIC18F86K90-I/PTRSL

PIC18F86K90-I/PTRSL - 8-bit 64MHz 64KB Flash MCU | Microchip

The Microchip Technology PIC18F86K90-I/PTRSL is an 8-bit PIC® XLP™ 18K microcontroller IC integrating 64KB (32K x 16) of Flash program memory, 4KB RAM, and an integrated LCD driver in an 80-pin TQFP (12x12 mm) package. The part runs at up to 64MHz (16 MIPS) and is built on Microchip's nanoWatt XLP™ ultra-low-power process, making it suitable for battery-powered applications that also need a segmented LCD glass. A microcontroller (MCU) is a single-chip computer that combines a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripheral IP such as timers, ADC, communications controllers, and I/O. Within the broader taxonomy, the PIC18F86K90 belongs to the 8-bit MCU family -> PIC18 sub-family -> PIC18FxxK90 LCD-driver family -> PIC18F8xK90 80-pin members. It targets battery-powered LCD applications that combine touch sensing, segmented display driving, and ultra-low standby current in the same silicon. Key features include nanoWatt XLP™ technology for deep-sleep currents measured in nanoamps, an integrated LCD driver supporting up to 192 segments, a Charge Time Measurement Unit (CTMU) that enables capacitive touch and simple temperature measurement, 24 channels of 12-bit ADC, multiple UART/SPI/I²C interfaces, and an operating voltage range of 1.8V to 5.5V. The 'I' temperature grade denotes an industrial -40°C to +85°C operating range, and 'PTRSL' indicates the 80-pin TQFP (PT) package shipped in tape-and-reel (TR) orientation with SL suffix marking. Architecturally, the device uses an enhanced Harvard RISC core with a hardware multiplier, 31-level stack, and a C-friendly instruction set, allowing efficient C compilation through Microchip's MPLAB XC8 toolchain. The 80-pin TQFP exposes the full peripheral set: ample digital I/O, the full LCD segment bus, and CTMU-driven touch channels, which is why designers typically pick the 80-pin variants over the 64-pin PIC18F66K90 family members when the application needs more glass real-estate and more touch keys. Typical applications include battery-powered medical devices such as glucose meters and portable patient monitors, industrial panel meters and process transmitters with LCD readouts, home appliances with segment displays, security keypads with capacitive touch, and consumer devices requiring long battery life combined with on-glass graphics. The CTMU simplifies touch-interface designs by measuring capacitance changes without an external analog front end. When designing with this part, allocate the lower 16 addresses of Flash for the interrupt vector table and use MPLAB XC8 PRO mode for code-density. For LCD applications, follow Microchip's AN658 LCD fundamentals application note for bias and contrast resistor selection, and verify that the segment and common pin assignments fit within the 192-segment maximum of the 80-pin package. Industrial users should confirm the 'I' suffix (-40°C to +85°C) versus the 'E' (-40°C to +125°C) variant when targeting harsher environments. This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F8720-E/PT

PIC18F8720-E/PT - 128KB Flash 8-bit MCU 25MHz 80-TQFP | Microchip

The Microchip Technology PIC18F8720-E/PT is a high-performance 8-bit PIC microcontroller featuring 128 KB (64K x 16) of Flash program memory, 3840 bytes of RAM, and a maximum CPU clock of 25 MHz, housed in an 80-pin TQFP (12x12 mm) package. The -E suffix indicates the -40C to +125C extended operating temperature range. This part belongs to the PIC18F family of enhanced Flash microcontrollers and is part of the PIC18F6520/8520/6620/8620/6720/8720 family of 64/80-pin devices. An 8-bit microcontroller (MCU) is a self-contained computing element that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and a rich set of peripherals (I/O, timers, ADC, communication interfaces) on a single silicon die. The PIC18F family sits in the hierarchy: PIC18F -> PIC18 -> 8-bit PIC microcontroller -> microcontroller (MCU) -> embedded processor. PIC18F devices extend the baseline PIC16 architecture with a 16-bit instruction word, hardware multiplier, and linear memory addressing, enabling C-friendly programming while preserving the deterministic PIC interrupt model. Key features include dual asynchronous serial ports (USART), a master I2C/SPI synchronous serial port, a 10-bit ADC with up to 16 channels, five 8-bit timers plus three 16-bit timers, and a parallel slave port for external memory expansion. The 80-pin TQFP package exposes 68 general-purpose I/O lines plus dedicated peripheral pins. The device operates from 2.0V to 5.5V across the full -40C to +125C industrial range. The architecture combines a 16-bit instruction set with an 8-bit data path, an 8x8 hardware multiplier, and a four-deep hardware stack extension (31 levels plus shadow registers), making it well-suited to C-compiled firmware. The internal RC oscillator with PLL options reduces external component count, and the ICSP (In-Circuit Serial Programming) interface allows in-field firmware updates without removing the MCU from the board. Typical applications include industrial control panels, instrumentation with LCD interfaces, TCP/IP-connected embedded devices, metering systems, and any 5V application requiring 128 KB of Flash plus abundant RAM for buffering. The large Flash and RAM also suit USB/TCP-IP stacks that previously required external memory. Design consideration: Because this is the -E (extended) temperature grade, verify that any alternative selected also covers -40C to +125C if the end equipment must operate in automotive under-hood or outdoor industrial environments. Pin-compatible alternatives within the PIC18F family are listed in the comparison table. This page synthesizes distributor pricing, same-package drop-in alternatives within the PIC18F family, and practical design notes for engineers that are not aggregated in any single datasheet or distributor page.

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PIC18F8720-I/PTC01

PIC18F8720-I/PTC01 - 8-bit 25MHz 128KB Flash MCU | Microchip

The Microchip Technology PIC18F8720-I/PTC01 is an 8-bit PIC RISC microcontroller featuring a 25 MHz core clock, 128 KB (64K x 16) of Flash program memory, 3.75 KB of RAM, 1 KB of EEPROM, and 68 I/O pins, housed in an 80-pin TQFP (12x12 mm) package. The "/PTC01" suffix denotes the TQFP package variant (PT) shipped in tray (C01) packaging, distinct from the standard PIC18F8720-I/PT (which uses different packaging media). Designed for connectivity-rich applications, the device integrates a double asynchronous serial port (USART), a flexible synchronous serial port (I²C or SPI), a 10-bit A/D converter with up to 16 channels, and an External interrupt source. What is a PIC microcontroller? PIC (Peripheral Interface Controller) microcontrollers are 8/16/32-bit RISC-based microcontrollers built around Harvard architecture (separate program and data buses). The PIC18 family is Microchip's high-performance 8-bit line, offering enhanced instruction set, large memory models, and rich peripherals for embedded applications. They sit in the technology hierarchy: PIC18 -> PIC microcontroller -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Key differentiating features include 128 KB Flash, 3.75 KB SRAM, 1 KB EEPROM for non-volatile data storage, External oscillator support for precision clocking, and industrial temperature range of -40°C to +85°C. The PIC18 instruction set is upward compatible with the PIC16 and PIC17 families, easing migration paths for legacy designs originally written for older PIC microcontrollers. Technically, the PIC18F8720 uses a 16-bit instruction word with 8-bit data path, a 32-level hardware stack, and Multiply/Divide assist hardware. The device supports both Internal and External oscillator modes, has 4 Timer modules, dual capture/compare/PWM modules, and an enhanced 10-bit A/D converter. The PIC18F8720 is also pin-compatible with the PIC17C76X family of OTP devices. Typical applications include industrial automation controllers, building automation systems, automotive body electronics, instrumentation, embedded connectivity gateways, and legacy upgrade designs where PIC17C76X OTP replacements are needed. When laying out a PCB for the PIC18F8720, place decoupling capacitors (100 nF and 10 µF) close to each VDD/VSS pair and route the external crystal traces symmetrically with a ground guard ring to minimize EMI. Note that this part is in Obsolete lifecycle status, so consider the enhanced PIC18F8722 or PIC18F85K22 for new designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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