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PIC18F85J10-I/PT - 8-bit 40MHz 32KB Flash MCU 80-TQFP | Microchip
PIC18F85J10-I/PT

PIC18F85J10-I/PT - 8-bit 40MHz 32KB Flash MCU 80-TQFP | Microchip

The Microchip Technology PIC18F85J10-I/PT is an 8-bit PIC18J-series CMOS flash microcontroller featuring a 40 MHz maximum CPU clock (10 MIPS from a 4 FOSC/4 pipeline), 32 KB of Flash program memory organized as 16K x 16 words, and 2 KB of RAM, all integrated into a high-pin-count 80-pin TQFP package (12x12 mm body, -I industrial -40C to +85C temperature grade). The PIC18J family delivers enhanced 16-bit-wide instruction execution with an 8-bit data path, four serial ports (MSSP I2C/SPI plus two enhanced USART LIN-capable interfaces), 10-bit A/D conversion up to 12 channels, and NanoWatt power-management technology for cost-sensitive embedded applications. A PIC18 microcontroller is an 8-bit Reduced Instruction Set Computer (RISC) core that combines Harvard-architecture program/data buses with a rich register set and 16-bit opcodes, making it a member of the broader microcontroller family (MCU -> embedded controller -> system-on-chip lite -> semiconductor IC). It is one step above the PIC16 family in performance and memory, while still maintaining the classic PIC peripheral model, and is widely used in industrial control, automotive body electronics, and consumer white-goods applications where deterministic interrupt response and ease of programming outweigh the need for 32-bit performance. Key differentiating features include four simultaneous serial communication engines, programmable low-voltage detect (PLVD), a 10-bit ADC with up to 12 input channels, dual analog comparators, and NanoWatt sleep modes that drop quiescent current into the microampere range. The large 32 KB Flash and 2 KB RAM let designers run a real-time operating system or a USB stack, and 1024 bytes of EEPROM is provided for nonvolatile parameter storage. The wide operating voltage range of 2.0V to 3.6V accommodates both 3.3V battery-powered designs and industrial 3.3V regulated rails. Architecturally the PIC18F85J10 uses a 16-bit program memory bus with an 8-bit data path, allowing single-cycle instruction fetch and 16-bit-wide Flash reads. The enhanced instruction set adds hardware multiply, indexed addressing with offset, and bit manipulation instructions. The interrupt controller supports prioritized vectored interrupts, and the peripheral pin-select feature on most enhanced PIC18J devices simplifies PCB routing by remapping digital peripherals to alternate pins. Typical applications include industrial control panels with multiple serial sensor interfaces, automotive body and HVAC subsystems using LIN, smart energy meters with multiple ADC channels, white-goods user interfaces, and general-purpose embedded control boards with multiple asynchronous links. Designers also use this part in medical instrumentation front-ends and security/keypad systems where four serial ports reduce external multiplexer logic. When designing with the PIC18F85J10-I/PT, plan the VDD/VSS pair layout carefully - the 80-pin TQFP has multiple VDD/VSS pins that must each be bypassed with a 100 nF ceramic capacitor placed within 3 mm of each pin. Use a low-TCXO-grade crystal if the USB or LIN timing budget is tight, and verify ADC acquisition time against the source impedance of the analog front-end. This page synthesizes distributor pricing, drop-in compatible PIC18 same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, giving procurement and engineering teams a single source for part selection, lifecycle status, and pin-compatibility analysis.

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PIC18F85J10T-I/PT - 40MHz 8-bit MCU 32KB Flash 80-TQFP | Microchip
PIC18F85J10T-I/PT

PIC18F85J10T-I/PT - 40MHz 8-bit MCU 32KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F85J10T-I/PT is an 8-bit PIC18J-family microcontroller running at 40 MHz with 32 KB (16K x 16) of Flash program memory, 2 KB of RAM, and 66 I/O pins in a 12x12 mm 80-pin TQFP (PT) package. It targets cost-sensitive embedded designs that benefit from four serial communication ports: two synchronous (I2C and SPI) and two asynchronous (LIN-capable UARTs). The on-board 10-bit ADC, multiple timers, and PWM/capture/compare modules suit motor-control, sensor-hub, and HMI front-ends. An 8-bit microcontroller (MCU) is a programmable single-chip computer built around an 8-bit data path that typically executes one instruction per clock cycle. Within the wider semiconductor taxonomy, an MCU sits beneath microcontroller family -> embedded processor -> digital IC -> semiconductor. Microchip's PIC18 cores add hardware multiply and 16-bit instructions while remaining source-compatible with the legacy PIC16 instruction set, giving designers a balance of deterministic real-time behaviour and moderate code density. Key features of the PIC18F85J10T-I/PT include an operating voltage of 2.0 V to 5.5 V across the -40C to +85C industrial range, a high-current 25 mA/25 mA I/O sink/source, an internal 31 kHz to 8 MHz oscillator with PLL option, and enhanced Flash with 100K Erase/Write cycles. The device also integrates NanoWatt power-managed modes (Run, Idle, Sleep) and a configurable 16-level deep hardware stack. JTAG/ICSP in-circuit debugging is supported via the standard Microchip MPLAB Snap / PICkit toolchain. The 80-pin TQFP offers generous I/O headroom (66 pins) for parallel bus expansion, multiple SPI slaves, and PWM-heavy motor drive. Internal peripherals are routed to a Peripheral Pin Select (PPS) crossbar, allowing peripheral function re-mapping for layout flexibility. The 2.5 V/3.3 V core with 5 V-tolerant I/O simplifies mixed-voltage interfacing, and on-chip fail-safe clock + dual-speed start-up help designers meet functional-safety verification checklists. Typical applications include industrial PLC/HMI front panels, appliance control boards, automotive body and HVAC sub-modules (LIN slave nodes), building-automation sensor hubs, and consumer device controllers. The wide memory and pin count also make it a good fit for small-form-factor gateways that aggregate UART, SPI, and I2C peripherals. Design tip: when migrating from PIC18F85J10-I/PT (tray) to this tape-and-reel variant, the silicon is identical - only the shipping medium differs. Use Microchip's MPLAB Code Configurator (MCC) and the application note AN869 for LIN stack integration. This page synthesises distributor pricing, drop-in same-package alternatives from the PIC18F J and K families, and practical design notes that go beyond the standalone datasheet.

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PIC18F85J11-I/PT - 10 MIPS 8-bit MCU, 32KB Flash, 70 I/O | Microchip
PIC18F85J11-I/PT

PIC18F85J11-I/PT - 10 MIPS 8-bit MCU, 32KB Flash, 70 I/O | Microchip

The Microchip PIC18F85J11-I/PT is a high-performance 8-bit PIC18 J-series RISC microcontroller delivering 10 MIPS at 3V with 70 I/O pins, an integrated 8 MHz internal oscillator, and enhanced nanoWatt power management, housed in an 80-pin TQFP package (12 x 12 mm). The device provides 32 KB of Flash program memory, 4 KB of RAM, and operates across a 4.2V to 5.5V supply range while supporting an industrial -40C to +85C temperature grade, addressing cost-sensitive data logging, control panel, and security panel applications. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path that integrates a CPU core, program and data memory, and a rich set of on-chip peripherals (ADC, timers, communication controllers, and I/O). 8-bit MCUs sit at the foundation of the embedded hierarchy: MCU -> microcontroller -> embedded controller -> semiconductor IC, and remain the most power-efficient choice for deterministic control loops where headroom for a 32-bit core is unnecessary. The PIC18 family specifically adds a 16-bit-wide instruction set with 8-bit data paths, optimizing both code density and execution speed for the 8-bit class. Key features include a 40 MHz maximum operating clock (10 MIPS), Flash memory with self-programmability, four 16-bit timers, two Capture/Compare/PWM modules, two enhanced USART modules, two SPI/I2C-compatible MSSP ports, a 10-bit ADC with up to 16 channels, two analog comparators, and a 2.0V brown-out reset. The nanoWatt power management suite offers multiple idle and sleep modes that cut quiescent current well below that of the earlier PIC18F87J10 family. Architecturally, the PIC18F85J11 uses an enhanced RISC Harvard core with hardware multiply and 31-level interrupt priority, allowing deterministic real-time response in motor and sensor control loops. Peripherals are pin-mapped onto five I/O ports (RA, RB, RC, RD, RE, plus RF/RG on 80-pin variants) plus Parallel Slave Port and external memory interfaces for legacy expansion. The Flash is organized as 32 KB of program memory with an internal 8 MHz oscillator, eliminating external resonator components in space-constrained designs. Typical applications span industrial data loggers, HVAC control panels, home security panels, car alarm modules, and seat controller boards, where the 70 I/O channels drive keypads, LCDs, sensor arrays and relay drivers simultaneously. The wide I/O count makes the device especially attractive for human-machine interface (HMI) front-ends where many discrete signals must be scanned. When designing with this MCU, allocate careful attention to power-rail decoupling (10 uF bulk plus 0.1 uF ceramic on each VDD pin) and to in-application programming via ICSP, which the J-series supports through dedicated RB6/RB7 pins shared with general-purpose I/O. Watch the 4.2V minimum supply because most analog specifications are derived at 5V; below 4.5V reference voltages and ADC accuracies drift measurably. This page synthesizes XAIPART distributor pricing, J-series drop-in alternatives, and validated design notes that are not packaged in the manufacturer datasheet alone, providing a one-stop reference for engineers evaluating PIC18F85J11 production designs.

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PIC18F85J50-I/PT - 8-bit USB MCU 32KB Flash 48MHz | Microchip
PIC18F85J50-I/PT

PIC18F85J50-I/PT - 8-bit USB MCU 32KB Flash 48MHz | Microchip

The Microchip Technology PIC18F85J50-I/PT is an 8-bit PIC18J-family microcontroller with integrated Full-Speed USB 2.0 (12 Mbit/s), 32 KB of Flash program memory and 3,936 bytes of RAM, delivered in a 80-pin TQFP (PT) package measuring 12x12 mm. It operates at up to 48 MHz system clock from a 4.2 V to 5.5 V supply, exposing 70 digital I/O pins. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and a rich set of on-chip peripherals such as timers, ADC, communication controllers, and general-purpose I/O. The PIC18F85J50 sits at the high-pin-count end of the PIC18 family - a Harvard-architecture 8-bit RISC core positioned above simpler PIC16 parts and below the PIC24/dsPIC 16-bit families. Within Microchip's broader taxonomy, it belongs to the PIC18 "J-series" low-voltage USB line that targets cost-sensitive embedded connectivity. Key differentiating features include a Full-Speed USB 2.0 device/embedded-host controller with on-chip transceiver, two Enhanced USART (EUSART, LIN-capable) ports, a Master I2C interface, an SPI peripheral rated up to 10 Mbit/s, a 10-bit ADC, and Microchip's nanoWatt power-management technology with multiple idle and sleep modes. The 80-pin TQFP package provides 70 I/O lines, which is well above the 28- and 40-pin PIC18F variants and is required when USB, multiple serial ports and a 10-bit ADC are used simultaneously. Architecturally, the PIC18F85J50 uses a 16-bit instruction word fetched over a separate program bus from the 8-bit data path, allowing single-cycle instruction execution except for program branches. The integrated USB SIE handles token sequencing, packet framing, and CRC in hardware, freeing the CPU for application code. The nanoWatt feature set provides selective peripheral clock gating and run/Idle/Sleep modes that drop quiescent current below 1 microampere in Sleep, enabling USB-connected peripherals that are powered from a bus or battery. Typical applications include Full-Speed USB peripherals such as custom HID-class devices, USB-to-UART bridges, USB data-acquisition front-ends, embedded host controllers for USB mass-storage or HID accessories, industrial control panels with multiple serial links, and low-power IoT edge nodes combining USB service-port connectivity with LIN, RS-232 and sensor I/O. The high pin count also makes it suitable for human-machine interface panels with LCD drive and key-scan matrices. When designing with this device, remember that the core supply voltage range is 4.2 V to 5.5 V - 3.3 V-only systems must use the PIC18F "LF" or "J" variant suffix. The 80-pin TQFP land pattern must be observed exactly; pin 1 orientation and exposed-pad handling follow standard TQFP PCB layout practice. Programming is performed via ICSP using the standard Microchip development toolchain (MPLAB X, XC8 compiler).

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PIC18F85J50T-I/PT - 48MHz 8-bit USB MCU, 32KB Flash, 80-TQFP | Microchip
PIC18F85J50T-I/PT

PIC18F85J50T-I/PT - 48MHz 8-bit USB MCU, 32KB Flash, 80-TQFP | Microchip

The Microchip Technology PIC18F85J50T-I/PT is an 8-bit RISC microcontroller from the PIC18J family clocked at 48 MHz, integrating 32 KB (16K x 16) of Flash program memory, 3.8 KB of RAM, and a Full-Speed USB 2.0 (12 Mbit/s) peripheral in an 80-pin TQFP (12 x 12 mm) package. It supplies 65 programmable digital I/O lines and operates from 2.0 V to 3.6 V, making it suitable for both battery-powered and USB-powered designs. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and integrated peripherals. Within the broader taxonomy, the PIC18F85J50 sits in the 8-bit microcontroller segment, which trades raw clock speed for deterministic instruction execution, low power consumption, and ease of use - positioning it between simple 4/8-bit timer MCUs and higher-end 16/32-bit ARM Cortex-M devices. The 'J' in PIC18J indicates the use of Microchip's nanoWatt Technology plus the Full-Speed USB on-chip transceiver, eliminating an external PHY in many designs. Key features of this part include 32 KB Flash organized as 16K x 16 words, 3.8 KB RAM, 12 channels of 10-bit ADC, four serial interfaces (FS-USB, MI2C, SPI up to 10 Mbit/s, and LIN-capable EUSART), and nanoWatt power management with multiple sleep modes. The 80-pin TQFP package exposes 65 I/O pins - far more than typical 28- or 40-pin MCUs - enabling direct connection to large graphic LCDs, keypads, and parallel peripherals without external glue logic. The PIC18J core uses a Harvard architecture with separate code and data buses, an 8-bit ALU, and a hardware multiplier. With a 48 MHz oscillator (12 MIPS instruction throughput) and single-cycle instruction execution, the device delivers adequate headroom for USB stack processing, while nanoWatt Technology provides deep sleep currents under 1 microamp for battery-backed USB applications. Typical applications include USB peripherals (HID, CDC, MSD class devices), low-power sensor hubs with USB connectivity, industrial control panels with graphical LCDs, and embedded data loggers. The combination of integrated USB and large I/O count also suits point-of-sale terminals, weighing scales, and instrumentation front-ends that need PC connectivity without an external bridge IC. When designing with the PIC18F85J50T-I/PT, allocate the VUSB pin to a regulated 3.3 V supply and route D+/D- as a 90-ohm differential pair per USB 2.0 specification. The 'T' suffix indicates Tape & Reel packaging for high-volume assembly, and the 'I' grade denotes the -40C to +85C industrial temperature range. This page synthesizes verified distributor pricing, validated drop-in alternatives, and PCB-layout guidance that complement - and extend beyond - the manufacturer datasheet, giving engineers a faster path from selection to production.

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PIC18F85J90-I/PT - 8-bit 40MHz 32KB Flash LCD MCU 80-TQFP | Microchip
PIC18F85J90-I/PT

PIC18F85J90-I/PT - 8-bit 40MHz 32KB Flash LCD MCU 80-TQFP | Microchip

The Microchip Technology PIC18F85J90-I/PT is an 8-bit PIC18 microcontroller with integrated LCD driver, 32KB of Flash program memory, 2KB of RAM, and up to 67 I/O pins, housed in an 80-pin TQFP (PT) package measuring 12x12 mm with 1 mm height. It operates up to 40 MHz delivering up to 10 MIPS performance and supports supply voltages from 2.0V to 5.5V across industrial temperature range -40C to +85C. An 8-bit PIC microcontroller is a RISC (Reduced Instruction Set Computer) device optimized for embedded control, providing deterministic interrupt latency and a rich peripheral set in compact packages. Within Microchip's hierarchy, the PIC18F family sits above the PIC16F baseline and below the PIC24/dsPIC 16-bit families, balancing code density, peripheral integration, and cost for human-machine interface (HMI) and metering applications. The PIC18F85J90 family specifically targets applications requiring an integrated segmented LCD driver, eliminating the need for an external LCD controller. Key features include an integrated LCD driver supporting up to 192 segments, nanoWatt Technology for power-managed sleep modes, an analog-to-digital converter (ADC), and multiple communication peripherals including I2C, SPI, and USART. The device uses a 16-bit instruction word architecture (24-bit Flash) with internal RC oscillator options, making it well suited for battery-backed designs. The PIC18F85J90 architecture employs a Harvard bus structure with separate program and data paths, enabling single-cycle instruction execution and predictable timing. The on-chip LCD charge pump supports contrast generation even when VDD is below the LCD threshold voltage, simplifying handheld meter designs that operate from a single cell. Typical applications include handheld utility meters (gas, water, electric), home security control panels, thermostats and HVAC interfaces, medical instrumentation displays, and industrial HMI panels. The integrated LCD driver makes the PIC18F85J90 particularly compelling when a segmented glass display is required alongside digital logic. When designing with this device, allocate sufficient PCB real estate for the 80-pin TQFP footprint (12x12 mm with 0.5 mm pitch) and ensure programming/debug interface access (PGC/PGD/PGM pins) is routed to an ICSP header. For low-power applications, leverage the nanoWatt idle/sleep modes and select the internal 31 kHz oscillator to minimize current draw below 1 uA in deep sleep. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the same Microchip PIC18 family, and practical design notes not found in the standalone manufacturer datasheet to accelerate component selection for embedded LCD designs.

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PIC18F85J94-I/PT - 8-bit 64MHz MCU 32KB Flash USB LCD 80-TQFP | Microchip
PIC18F85J94-I/PT

PIC18F85J94-I/PT - 8-bit 64MHz MCU 32KB Flash USB LCD 80-TQFP | Microchip

The Microchip Technology PIC18F85J94-I/PT is an 8-bit PIC microcontroller from the PIC18FXXJ94 family that integrates a full-speed USB 2.0 peripheral and a segmented LCD driver (up to 368 segments) on a single die. The device features 32KB (16K x 16) of flash program memory, 4KB of RAM, and runs the PIC18 enhanced instruction set at up to 64 MHz (16 MIPS) from a 2.0V to 3.6V supply, all packaged in an 80-pin TQFP (12 x 12 mm). The -I suffix denotes an industrial temperature grade of -40C to +85C, and the /PT suffix specifies the 80-lead TQFP surface-mount land pattern. An 8-bit PIC microcontroller (MCU) is a Harvard-architecture CMOS processor widely used for embedded control, combining a deterministic instruction set, rich on-chip peripherals, and extremely low power consumption. The PIC18F family extends the base PIC16 architecture with 16-bit instructions, a hardware multiplier, and larger memory addressing, while the J94 sub-family specifically adds integrated LCD segment drivers, hardware USB, and nanoWatt XLP sleep modes, making it a single-chip solution for human-interface products. Key differentiating features of the PIC18F85J94-I/PT include 12-bit ADC with up to 24 channels, hardware real-time clock and calendar (RTCC) with Vbat battery backup domain, charge time measurement unit (CTMU) for capacitive touch sensing, multiple UART/SPI/I2C peripherals, and nanoWatt XLP technology with sub-uA sleep currents. The integrated LCD controller supports static to 1/4 duty multiplexed displays with software-contrast control. The 80-pin TQFP package provides up to 69 general-purpose I/O pins with individual weak pull-ups, peripheral pin select mapping, and five 16-bit timer/counters. The architecture also provides two comparators, a 12-bit ADC, and a CTMU block for capacitive touch buttons or sliders without an external analog front end. Typical applications for the PIC18F85J94-I/PT include battery-powered medical monitors with segment LCDs, USB-connected industrial gauges, e-metering and smart thermostats, automotive accessory dashboards, capacitive touch human-machine interfaces, and portable point-of-sale terminals. The combination of USB, LCD, RTCC, and capacitive touch in a single chip eliminates several external components and reduces both BOM cost and PCB area. When designing with this part, ensure the Vbat pin is connected to a backup battery or supercapacitor if you need RTCC retention during main power loss. The 80-pin TQFP requires a 12x12 mm footprint with thermal pad routing - allocate at least 4-layer PCB construction to fan out the center GND paddle and maintain signal integrity on the USB DP/DM pair. This page synthesizes distributor pricing across Mouser, DigiKey, LCSC, and XAIPART stock data, plus drop-in PIC18FXXJ94 family alternatives and practical design notes that go beyond the manufacturer datasheet summary.

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PIC18F85K22-E/PT - 8-bit PIC MCU, 32KB Flash, 80-TQFP | Microchip
PIC18F85K22-E/PT

PIC18F85K22-E/PT - 8-bit PIC MCU, 32KB Flash, 80-TQFP | Microchip

The Microchip Technology PIC18F85K22-E/PT is an 8-bit PIC18 microcontroller delivering 64 MIPS performance at 64 MHz, integrated with 32 KB of Flash program memory, 2 KB of SRAM, and a 12-bit A/D converter with nanoWatt XLP Technology, all housed in an 80-pin TQFP package. The -E/PT suffix denotes the extended (-40C to +125C) industrial temperature range and a tray packaging option for the 80-pin TQFP (PT) form factor. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor that combines a CPU core, non-volatile program memory (Flash), data SRAM, and a rich peripheral set on a single die. PIC microcontrollers sit within the microcontroller hierarchy (MCU > 8-bit MCU > PIC > PIC18 family > PIC18FxxK22 sub-family) and are widely deployed in embedded control applications requiring deterministic real-time performance, low power consumption, and small code footprint. The PIC18F85K22 belongs to the enhanced mid-range family and adds nanoWatt XLP Technology, giving it sub-microamp sleep currents suitable for battery-powered designs. Key features include 70 digital I/O pins, 12 channels of 12-bit A/D conversion, multiple communication peripherals (2x UART, 2x SPI, 2x I2C), 5 CCP/ECCP modules, a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, an internal 16 MHz oscillator, and an operating voltage range of 1.8V to 5.5V (with extended operation to 4.2V-5.5V per the provided data). The integrated nanoWatt XLP Technology enables sleep currents as low as 20 nA, making the device well suited for power-constrained applications. From an architectural perspective, the PIC18F85K22 uses a 16-bit instruction word (8-bit data path) and a 31-level hardware stack, providing high code density and predictable interrupt latency. The CTMU peripheral converts capacitance changes into timing measurements, supporting buttons, sliders, and proximity sensors without external components. The 12-bit ADC provides 12 channels of analog input with automatic acquisition, simplifying sensor interfacing. Typical applications include industrial control panels, capacitive touch user interfaces, battery-powered remote sensors, automotive body controllers, and home appliances. The wide operating voltage range and high pin count also make it suitable for IoT edge nodes and human-machine interface (HMI) systems. When designing with the PIC18F85K22-E/PT, ensure that decoupling capacitors (100 nF ceramic plus bulk) are placed close to the VDD/VSS pins, and that the MCLR reset pin is pulled high through a 10 kohm resistor. Programming is supported by MPLAB X IDE, MPLAB XC8 compiler, and the PICkit/SNAP/MPLAB ICD debuggers. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F85K22T-I/PT - 8-Bit XLP MCU, 32KB Flash, 80-TQFP | Microchip
PIC18F85K22T-I/PT

PIC18F85K22T-I/PT - 8-Bit XLP MCU, 32KB Flash, 80-TQFP | Microchip

The Microchip Technology PIC18F85K22T-I/PT is an 8-bit PIC18 microcontroller featuring nanoWatt XLP extreme low-power technology, 32KB (16K x 16) of Flash program memory, and a 64MHz maximum operating frequency in a 80-pin TQFP (12x12mm) package supplied on Tape and Reel. The device operates from 1.8V to 5.5V across industrial -40C to +85C temperature range and supports AEC-Q100 automotive-grade qualification for harsh-environment deployments. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and programmable peripheral interfaces. The PIC18F85K22 belongs to the 8-bit RISC microcontroller hierarchy - 8-bit -> microcontroller -> embedded processor -> semiconductor IC - and is optimized for power-constrained and battery-powered applications thanks to nanoWatt XLP technology and integrated Charge Time Measurement Unit (CTMU) peripherals that simplify capacitive-touch and sensing designs. Key features include 32KB Flash, 2KB SRAM, 1KB EEPROM, 12-bit ADC with up to 16 channels, multiple PWM modules, EUSART, I2C, SPI, and USB-capable peripherals. The CTMU peripheral enables touch sensing and precise time measurement, while the 80-pin TQFP package exposes 69 I/O pins for flexible peripheral expansion in industrial, automotive, and consumer embedded systems. The PIC18F85K22 architecture pairs an enhanced RISC Harvard-bus core with peripheral modules that operate independently via DMA and interrupt-driven I/O, allowing deterministic real-time performance for motor control, sensor fusion, and human-machine interface (HMI) applications. The wide 1.8V-5.5V operating range permits direct Li-Ion battery connection and simplifies integration with both 3.3V and 5V system rails. Typical applications include automotive body controllers, HVAC control panels, capacitive touch keypads, industrial sensor hubs, USB peripherals, low-power IoT edge nodes, and battery-powered instrumentation. The CTMU makes the PIC18F85K22 particularly well suited to capacitive user-interface designs where mechanical buttons must be replaced with sealed touch surfaces. When designing with the PIC18F85K22T-I/PT, note the industrial -40C to +85C temperature range versus the E-grade -40C to +125C variant. The 'T' suffix indicates Tape-and-Reel packaging for high-volume assembly, and the device supports Microchip's MPLAB X IDE, XC8 compiler, and MPLAB Snap / PICkit programmers for fast prototype development. This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes not consolidated on the manufacturer datasheet, giving engineers a single reference for the PIC18F85K22T-I/PT selection and sourcing decision.

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PIC18F85K22T-I/PTRSL - 8-bit 32KB Flash MCU, 80-pin TQFP | Microchip
PIC18F85K22T-I/PTRSL

PIC18F85K22T-I/PTRSL - 8-bit 32KB Flash MCU, 80-pin TQFP | Microchip

The Microchip Technology PIC18F85K22T-I/PTRSL is an 8-bit RISC microcontroller from the PIC18 family, featuring 32KB of Flash program memory, 2KB of RAM, and 1KB of EEPROM in an 80-pin TQFP surface-mount package supplied on tape and reel. It operates from 1.8V to 5.5V with a maximum clock speed of 64 MHz (instruction throughput up to 16 MIPS), integrating nanoWatt XLP technology for power-constrained designs, a 12-bit A/D converter with up to 24 channels, and a Charge Time Measurement Unit (CTMU) for capacitive touch sensing. The part is also offered in the same 80-pin TQFP pinout as the rest of the PIC18F87K22 family (65K22, 66K22, 67K22, 86K22, 87K22), enabling PCB reuse and upward migration to higher memory variants without board rework. An 8-bit microcontroller (MCU) is a compact, single-chip computer that combines a CPU, non-volatile program memory, volatile data memory, peripherals, and I/O in a single IC. PIC18 microcontrollers extend Microchip's baseline 8-bit PIC16 architecture with a 16-bit instruction word, 31-level hardware stack, linear memory addressing, and C-optimized instruction set, making them well suited for embedded control, sensor interfacing, and low-power IoT applications. Key features include 70 general-purpose I/O pins, three 16-bit timers, four 8-bit timers, two CCP modules, three enhanced CCP (ECCP) modules for motor-control PWM, two MSSP ports for SPI/I2C, two EUSART modules for LIN/IrDA/RS-232, a 12-bit ADC with auto-acquisition, a 5-bit DAC, hardware multiplier, and CTMU for capacitive touch. With XLP, quiescent current drops to roughly 20 nA in sleep mode, supporting battery-powered products with multi-year lifetimes. The PIC18F85K22 is implemented on Microchip's enhanced FLASH process and uses a Harvard bus with separate program and data paths. The 12-bit ADC includes auto-conversion and self-calibration, simplifying firmware. The CTMU converts a capacitance into a timing measurement, allowing capacitive buttons, sliders, and proximity sensors without external components. Typical applications include industrial control panels, capacitive touch keypads, battery-powered sensor nodes, HVAC thermostats, and automotive body modules. The wide 1.8V-5.5V supply range and XLP low-power modes make it appropriate for portable instrumentation and remote monitoring. The part is also widely used in white goods and consumer appliances that need USB-free, robust, multi-channel analog and PWM I/O. When designing with the PIC18F85K22T-I/PTRSL, ensure the Vcap pin has a 1uF-10uF decoupling capacitor, leave the 80-pin TQFP thermal pad floating or connected to ground per application note AN1079, and use MPLAB X IDE with the XC8 compiler for C development. Programming/debugging is performed through ICSP (2-wire or 4-wire) or via the ICD/PICkit tool family. This page consolidates pricing, drop-in alternatives, and engineering notes beyond the manufacturer datasheet, helping procurement and design teams make faster, more informed decisions.

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PIC18F85K90-E/PT - 32KB Flash 8-bit MCU w/ LCD & CTMU | Microchip
PIC18F85K90-E/PT

PIC18F85K90-E/PT - 32KB Flash 8-bit MCU w/ LCD & CTMU | Microchip

The Microchip Technology PIC18F85K90-E/PT is an 8-bit PIC microcontroller built on the PIC18F87K90 family silicon, integrating 32 KB of Flash program memory, 2 KB of RAM, and 1 KB of EEPROM in an 80-pin TQFP (PT) package. It executes instructions at up to 64 MHz (16 MIPS), operates from 1.8 V to 5.5 V via the nanoWatt XLP ultra-low-power architecture, and provides up to 70 general-purpose I/O lines with high-current sink/source capability. The /PT package suffix denotes an industrial/extended temperature grade rated from -40 °C to +125 °C. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, program memory, data memory, peripherals, and I/O on one die. PIC18F devices belong to the enhanced 8-bit family of PIC microcontrollers, sitting inside the broader category of microcontrollers -> microprocessors -> semiconductors -> integrated circuits. The 'K90' series specifically targets battery-powered LCD applications, integrating a segmented LCD driver, a Charge Time Measurement Unit (CTMU) for capacitive touch, and nanoWatt XLP sleep modes to extend battery life in always-on products. Key features of the PIC18F85K90-E/PT include the integrated LCD driver capable of up to 192 segments across 4 common lines, the CTMU peripheral with 24 channels supporting capacitive-touch sensing, the nanoWatt XLP idle/sleep modes that draw microamp-level current, and dual 5-bit DAC reference trim that lets the LCD bias tracks supply changes. Communications peripherals include UART, SPI, I2C, and USB 2.0 full-speed on select family members. The device also integrates 12-bit ADC, comparators, PWM, and a hardware RTCC with calendar mode. Typical applications for the PIC18F85K90-E/PT include medical devices such as glucose meters and infusion pumps, industrial control HMIs and metering, consumer white goods with LCD user interfaces, portable instrumentation, automotive clusters, and battery-powered metering. The combination of LCD + CTMU + low-power modes lets designers build touch-key panels with segmented displays that run for years on coin-cell or two-AA batteries. When designing with the PIC18F85K90-E/PT, ensure the PCB layout keeps the analog AVSS/AVDD pair cleanly isolated from digital switching currents and reserve one or two pins as dedicated CTMU reference for touch-key calibration across PCB manufacturing variation.

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PIC18F85K90-I/PTRSL - 8-bit 64MHz 32KB Flash MCU | Microchip
PIC18F85K90-I/PTRSL

PIC18F85K90-I/PTRSL - 8-bit 64MHz 32KB Flash MCU | Microchip

The Microchip Technology PIC18F85K90-I/PTRSL is an 8-bit PIC microcontroller from the PIC18F87K90 family operating at up to 64 MHz with 32 KB (16K x 16) of Flash program memory, housed in an 80-pin TQFP (12x12 mm) surface-mount package supplied in tray packaging. The part integrates 2 KB of RAM, 1 KB of EEPROM, and 69 digital I/O pins, plus an integrated LCD driver, nanoWatt XLP low-power technology, and a Charge Time Measurement Unit (CTMU) peripheral. What is a PIC18 8-bit microcontroller? PIC18 is Microchip's enhanced 8-bit RISC architecture family built on a modified Harvard bus, sitting between the PIC16 baseline line and the 16-bit dsPIC/PIC24 families in the company's 8-bit/16-bit MCU portfolio. PIC18F devices add a wider instruction set, hardware multiply, priority levels for interrupts, and richer peripherals (USB, CAN, LCD, CTMU, mTouch capacitive touch) while remaining code-compatible with PIC16 projects through a unified MPLAB X toolchain. Key features of the PIC18F85K90-I/PTRSL include nanoWatt XLP technology for ultra-low sleep current, an on-chip LCD driver with up to 192 segments, 12-bit ADC, multiple Enhanced Capture/Compare/PWM (ECCP) modules, and standard serial interfaces (I2C, SPI, UART/USART). The CTMU module enables capacitive touch sensing and precision time measurement, while the integrated LCD controller removes external display driver ICs from low-power meter designs. The internal oscillator block supports operation from 31 kHz to 16 MHz, with a 4x PLL option that reaches 64 MHz system clock. Brown-out Reset (BOR), Power-On Reset (POR), and Watchdog Timer (WDT) provide robust fault recovery. The wide 1.8V to 5.5V operating range covers both 3.3V and 5V supply rails used in industrial and consumer LCD products. Typical applications include battery-powered e-meter and utility metering front-ends, white-goods and appliance HMI panels with LCD, capacitive touch button interfaces, medical infusion pumps with segment displays, and handheld industrial terminals. The combination of low-power sleep, on-chip LCD bias generation, and mTouch capacitive sensing makes it a strong fit for battery-form-factor products that need a display and touch without an external touch controller. Design consideration: when migrating from a PIC18F87K90 sibling to this 32 KB Flash variant, confirm application code fits within 32 KB and that EEPROM usage is within the 1 KB budget. For tighter BOM cost, the PIC18F65K90 family shares peripherals in a smaller 64-pin TQFP. This page synthesizes distributor pricing, drop-in alternatives within the same TQFP-80 package, and practical design notes that augment the manufacturer datasheet with selection guidance.

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PIC18F85K90T-I/PT - 8-bit 64MHz 32KB Flash LCD MCU | Microchip
PIC18F85K90T-I/PT

PIC18F85K90T-I/PT - 8-bit 64MHz 32KB Flash LCD MCU | Microchip

The Microchip Technology PIC18F85K90T-I/PT is an 8-bit PIC18 microcontroller built on nanoWatt XLP technology, integrating 32KB (16K x 16) of Flash program memory and targeting 64/80-pin high-performance applications with on-chip LCD drivers. The device runs at up to 64 MHz and is housed in an 80-pin TQFP (PT) 12x12 mm package. It belongs to the PIC18F85K90 family, which also includes the 80-pin PIC18F86K90 and PIC18F87K90 variants with progressively larger memory footprints. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and programmable peripherals. The PIC18F85K90 is a Harvard-architecture 8-bit RISC device, meaning the program and data buses are physically separate and a single instruction executes per clock cycle (except for branches). The '85K90 family' designation indicates an LCD-segment driver family with nanoWatt XLP extreme-low-power technology, while the wider PIC18F family hierarchy spans PIC10/12/16/18 8-bit cores upward into PIC24/dsPIC 16-bit cores and PIC32 32-bit MIPS cores. Key features of the PIC18F85K90T-I/PT include 2KB of RAM, 1KB of EEPROM data memory, an integrated LCD driver supporting up to 384 segments (with on-chip charge pump), a 12-bit ADC with up to 24 channels, and the Charge Time Measurement Unit (CTMU) module for capacitive touch sensing. Additional peripherals include multiple Enhanced USART, SPI, I2C, PWM, and a Real-Time Clock Calendar (RTCC). The 'T' suffix indicates Tape & Reel packaging, the 'I' denotes the industrial -40C to +85C temperature range, and the '/PT' suffix specifies the 80-pin TQFP package. The device's nanoWatt XLP technology delivers sleep currents as low as 20 nA, making the family well-suited to battery-powered products. The CTMU peripheral uses a constant-current source plus analog I/O to measure capacitance, enabling up to 24 channels of capacitive touch buttons, sliders, or proximity sensors without an external touch controller. The combination of large segmented LCD, capacitive touch, ultra-low-power sleep, and high-pin-count packages is the central reason this family exists. Typical applications include battery-powered medical instruments (glucose meters, blood-pressure monitors), home and industrial thermostats, white-goods user interfaces (washing machines, ovens), fitness wearables with LCD readouts, metering equipment (utility, gas, water), and any human-machine interface that combines a segmented LCD with capacitive touch buttons. The wide operating voltage range (typically 1.8V-3.6V with full-speed operation down to 2.0V, depending on configuration) supports single-cell Li-ion or two-coin-cell battery chemistries. When designing with this part, note that the 'T' suffix is a packaging code only - functionally the PIC18F85K90T-I/PT is identical to PIC18F85K90-I/PT. Also, code written for the PIC18F85K90 will run unchanged on the PIC18F86K90 / PIC18F87K90 (more Flash, same peripherals) and vice versa, which simplifies in-family migration. The CTMU pinout overlaps with standard ADC channels, so capacitive-touch design must be coordinated with the analog channel allocation in the pin manager.

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PIC18F85K90T-I/PTRSL - 64MHz 8-bit MCU 32KB Flash XLP 80-TQFP | Microchip
PIC18F85K90T-I/PTRSL

PIC18F85K90T-I/PTRSL - 64MHz 8-bit MCU 32KB Flash XLP 80-TQFP | Microchip

The Microchip Technology PIC18F85K90T-I/PTRSL is an 8-bit PIC18 microcontroller from the PIC18F87K90 family featuring nanoWatt XLP technology, a 32KB Flash program memory, 2KB RAM, and a 64MHz internal CPU clock, packaged in an 80-pin TQFP (12x12 mm). The "T" suffix indicates tape-and-reel packaging while "I" denotes the industrial -40C to +85C operating temperature range, and "PTRSL" denotes the 80-pin TQFP industrial-grade variant on tape and reel. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, peripherals, and I/O into one device. An 8-bit MCU processes data in 8-bit chunks and is widely used in cost-sensitive, deterministic embedded designs where low power, simple peripherals, and long product lifecycles are valued over raw computational throughput. PIC18F-series MCUs sit in Microchip's mid-range 8-bit portfolio, positioned above baseline PIC16 and below 16-bit dsPIC/PIC24 families. Key features of the PIC18F85K90T-I/PTRSL include nanoWatt XLP low-power technology for battery applications, an integrated LCD driver with up to 192 segments, an on-chip 12-bit A/D converter, the Charge Time Measurement Unit (CTMU) module for capacitive touch sensing (up to 24 channels), and multiple serial interfaces including I2C, SPI, and EUSART. The 80-pin TQFP footprint exposes 69 I/O pins to the PCB. Architecturally, the device uses a RISC-based PIC18 core with a hardware multiplier, 31-level stack, and a modified Harvard bus for simultaneous instruction fetch plus data access. nanoWatt XLP supports multiple sleep modes down to sub-microamp currents, enabling battery lifetimes of years on a single cell when used with low-duty-cycle sensing. Typical applications include battery-powered portable medical devices, thermostats, security systems, utility metering, small appliances, electronic door locks, and any LCD-segmented user-interface product that benefits from capacitive touch keys. The wide peripheral mix also suits general industrial control. When designing in this part, ensure your PCB layout reserves adequate copper for thermal dissipation because TQFP packages are more thermally limited than QFN variants. Always validate RTCC drift against system timing requirements and confirm the CTMU touch-scan firmware matches the sensor PCB geometry. This page synthesizes distributor pricing, drop-in alternatives drawn from the same PIC18F family, and practical design considerations not found in the manufacturer datasheet alone.

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PIC18F8620-E/PT - 8-bit 25MHz 64KB Flash MCU | Microchip | 80-TQFP
PIC18F8620-E/PT

PIC18F8620-E/PT - 8-bit 25MHz 64KB Flash MCU | Microchip | 80-TQFP

The Microchip Technology PIC18F8620-E/PT is a high-performance 8-bit PIC18 family microcontroller based on RISC architecture, delivering up to 10 MIPS at 25 MHz, with 64 KB of Enhanced Flash program memory (32K x 16), 3840 bytes of RAM, and 1024 bytes of EEPROM, housed in an 80-pin TQFP (12x12 mm) surface-mount package. What is a PIC18 Microcontroller? PIC18F microcontrollers are 8-bit CMOS flash-based MCUs from Microchip built on an enhanced RISC Harvard architecture. They sit in the hierarchy: microcontroller -> embedded controller -> 8-bit MCU -> PIC18 family -> PIC18F sub-family -> flash-programmable MCU. PIC18F parts are positioned between baseline PIC10/12/16 and 16-bit dsPIC/PIC24 devices, optimized for C-compiler-friendly development with linear memory maps, hardware multiply, and self-programming support. Key features include 16 channels of 10-bit Analog-to-Digital conversion, two analog comparators, five capture/compare/PWM modules, two MSSP ports configurable as SPI or I2C, an additional timer, external memory bus addressing up to 2 MB, self-programming flash, ICD (In-Circuit Debug), and 68 digital I/O pins. Operating voltage spans 4.2 V to 5.5 V with the extended -40C to +125C temperature grade. The PIC18F8620 uses an enhanced Harvard architecture with separate program and data buses, a 16-bit instruction word, hardware 8x8 multiplier, and a 32-level hardware stack. Self-programming allows field firmware upgrades via bootloader code, while the ICD interface permits in-circuit debug with breakpoints and watchpoints. The 80-TQFP package exposes extensive I/O and peripheral pin functions for high-pin-count embedded designs. Typical applications include industrial automation controllers, HVAC and building control, automotive body and instrument cluster electronics (extended temp), consumer appliance interfaces, security and alarm panels, and USB/HID-class embedded peripherals using the MSSP ports. When designing with this part, ensure decoupling on VDD/VSS pairs and follow Microchip AN869 application note guidelines for analog and digital supply layout. The 'E' suffix denotes the extended -40C to +125C operating range, suitable for harsh industrial and automotive under-hood environments. This page synthesizes distributor pricing, drop-in same-package alternatives from the same PIC18F family, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F8620T-E/PT - 8-Bit 25MHz 64KB Flash MCU 80-TQFP | Microchip
PIC18F8620T-E/PT

PIC18F8620T-E/PT - 8-Bit 25MHz 64KB Flash MCU 80-TQFP | Microchip

The Microchip Technology PIC18F8620T-E/PT is an 8-bit PIC® 18F microcontroller running at 25MHz (40MHz clock input) with 64KB of FLASH program memory (32K x 16 words) and 1024 bytes of EEPROM, housed in an 80-pin TQFP (12x12 mm) surface-mount package. The 'T' suffix indicates tape-and-reel packaging and the 'E' suffix denotes the extended automotive temperature grade (-40°C to +125°C), making this device well suited for industrial and automotive embedded applications. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path that executes instructions in one to four clock cycles. The PIC18F family extends Microchip's mid-range architecture with a RISC-based CPU, integrated peripherals, and Harvard bus organization that separates program and data memory to allow simultaneous fetch and execute operations. PIC microcontrollers sit in the broader hierarchy of microcontrollers -> microcomputers -> embedded processors -> semiconductors. Key features include 70 I/O pins, 16 channels of 10-bit Analog-to-Digital conversion, 5 capture/compare/PWM modules, two analog comparators, two USART modules, a synchronous serial port configurable as SPI or I2C, an additional timer, external memory addressing up to 2MB, and self-programming support with In-Circuit Debug (ICD). The C-compiler-friendly instruction set and peripheral-rich architecture allow designers to implement complex control loops in a single chip. The PIC18F8620 uses an enhanced Harvard architecture with separate program and data buses plus a 16-bit instruction word. Flash program memory supports self-write, enabling non-volatile parameter storage and bootloader operation without external EEPROM. An ICD interface allows in-system debugging through dedicated pins, simplifying firmware development and field updates. Typical applications include automotive body and HVAC controllers, industrial automation PLCs, white-goods and appliance controls, and home-automation gateways. The 70 I/O and large package pin count enable direct connection to keypads, display panels, sensor arrays, and motor drivers without external glue logic. When designing with the PIC18F8620T-E/PT, verify the power supply decoupling network (typically 100nF plus 10uF bulk) is placed within 5mm of VDD pins, and add a 10kΩ pull-up on MCLR to ensure a clean reset during power-up. The automotive temperature grade permits continuous operation across -40°C to +125°C without derating. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes from real-time distributor data not found on any single manufacturer page.

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PIC18F8621-I/PT - 8-bit 40MHz 64KB Flash MCU 80-TQFP | Microchip
PIC18F8621-I/PT

PIC18F8621-I/PT - 8-bit 40MHz 64KB Flash MCU 80-TQFP | Microchip

The Microchip PIC18F8621-I/PT is an 8-bit high-performance RISC microcontroller from the PIC18F family, delivering up to 10 MIPS at a 40 MHz clock speed. The device integrates 64 KB of enhanced Flash program memory (32K x 16), 3,840 bytes of RAM, and 1,024 bytes of EEPROM in a 80-pin TQFP (PT) package measuring 12x12 mm. It targets embedded control applications requiring abundant I/O and rich peripherals. What is an 8-bit PIC microcontroller? It is a Harvard-architecture CMOS microcontroller built around an enhanced RISC instruction set, designed for deterministic real-time control with low power consumption. Within Microchip's taxonomy, PIC18F belongs to the mid-range performance tier, sitting above PIC16F (baseline) and below dsPIC (16-bit DSC). It is part of the broader embedded microcontroller family used across automotive, industrial, and consumer designs. Key features of the PIC18F8621 include 68 digital I/O pins arranged across multiple ports, a 10-bit ADC with up to 16 analog input channels, two analog comparators, two CCP/ECCP modules, two USART modules, an MSSP (SPI/I2C) peripheral, and a 16-bit timer/counter pair. The integrated nanoWatt power-managed modes reduce quiescent current in sleep, idle, and run states, making it suitable for battery-aware designs. The PIC18F8621's enhanced Flash supports self-programmability under software control via ICSP (In-Circuit Serial Programming), enabling bootloader-style field updates. The 16-bit instruction path and 8-bit data path, combined with hardware multiply, accelerate loop math and DSP-style filters, distinguishing it from earlier PIC16 architectures. Typical applications include industrial automation controllers, HVAC fan and pump controls, medical instrumentation front-ends, automotive body and lighting modules, and home appliance user-interface boards. The wide I/O count and 16-channel ADC suit multi-sensor systems. When designing, ensure VDD decoupling is placed within 5 mm of every supply pin and that MCLR is pulled high through 10 kohm to avoid spurious resets. Use Microchip's MPLAB X IDE with the XC8 compiler for development; PICkit 5 supports in-circuit debugging on the ICSP pins. This page synthesizes distributor pricing, same-brand drop-in alternatives (including automotive-grade and E-temperature variants), and practical design notes not found in the standalone manufacturer datasheet.

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PIC18F8622-E/PT - 8-Bit 25MHz MCU 64KB Flash 80-TQFP | Microchip
PIC18F8622-E/PT

PIC18F8622-E/PT - 8-Bit 25MHz MCU 64KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F8622-E/PT is an 8-bit PIC18 enhanced flash microcontroller delivering 25 MIPS (25 MHz) performance with 64 KB on-chip Flash program memory (32K x 16 words), 4 KB RAM and 1 KB EEPROM, all packaged in an 80-pin TQFP (12x12 mm) form factor. It targets low-power (nanoWatt) and connectivity-rich designs that benefit from four serial ports: two synchronous (I2C/SPI) plus two asynchronous (USART, LIN-capable), making it suitable for bridging UART/I2C/SPI peripherals in industrial control panels. The PIC18 family belongs to the 8-bit microcontroller hierarchy that includes microcontroller unit (MCU) -> embedded controller -> microprocessor -> semiconductor. Within this hierarchy, PIC18FX522 parts are high-pin-count variants optimized for human-machine interface (HMI), motor control, and bridging applications. PIC18F8622 specifically is the 80-pin member of the PIC18F8722 family, sharing the same peripheral set across smaller-pin variants. Key features include a 10-bit ADC with up to 16 channels, 4 enhanced CCP/ECCP modules, a parallel slave port for external memory-style bus expansion, and the PIC18 nanoWatt power management suite. The architecture is built around an enhanced Harvard RISC core with a hardware multiplier, single-cycle 200 ns instruction execution, and on-chip ICD (in-circuit debugger) support. Typical applications include industrial automation controllers, automotive body/comfort modules, large-format graphical LCD control, sensor hub aggregation nodes, and embedded connectivity gateways. The high I/O count (70 user I/Os) is particularly useful when many digital control lines must be addressed without external bus expanders. When designing, note that the '-E' suffix denotes the extended (-40C to +125C) industrial operating temperature range; the PIC18F8622 variant (no suffix) is the 0C to +70C commercial grade. Code written for PIC18F8722 (128 KB) can typically be ported down to PIC18F8622 (64 KB) by trimming data tables and lookup arrays. The PIC18F8622 is recommended for automotive design by Microchip; special ordering codes apply for full AEC-Q100 grades.

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PIC18F8622-I/PT - 8-Bit MCU 40MHz 64KB Flash 70 I/O TQFP-80 | Microchip
PIC18F8622-I/PT

PIC18F8622-I/PT - 8-Bit MCU 40MHz 64KB Flash 70 I/O TQFP-80 | Microchip

The Microchip Technology PIC18F8622-I/PT is a high-pin-count 8-bit PIC18F-family CMOS flash microcontroller delivering up to 10 MIPS of processing throughput at 40 MHz, packaged in an 80-pin TQFP (12x12 mm). It integrates 64 KB of program flash organized as 32K x 16 words, 4 KB of RAM, 1 KB of EEPROM, and 70 general-purpose I/O pins, making it one of the highest-pin-count members of the legacy PIC18F family used in industrial and embedded control systems. What is an 8-bit Flash Microcontroller? A microcontroller (MCU) is a single-chip computer integrating a CPU core, program memory, data RAM, peripheral set (timers, ADC, communication interfaces), and I/O on one die. An 8-bit MCU has a CPU data path eight bits wide; flash memory holds user code, can be reprogrammed in-circuit, and retains data without power. MCUs sit hierarchically under embedded processors, semiconductors, and integrated circuits, and serve as the decision-making element in nearly every modern electronic product from appliances to automotive ECUs to industrial control systems. Key features of the PIC18F8622-I/PT include a 10-bit ADC with up to 16 input channels, two I2C/SPI synchronous serial ports, two USART (LIN-capable) asynchronous serial ports, two CCP modules plus an Enhanced CCP, two 8-bit and three 16-bit timers, and nanoWatt power-management technology for low-power operation. The instruction cycle of 200 ns at 40 MHz supports deterministic real-time control, and 100,000 erase/write-cycle flash endurance targets long-lifecycle industrial designs requiring decades of in-field operation. The PIC18F8622 implements an enhanced Harvard architecture with separate program and data buses, a hardware multiply instruction, and prioritized interrupts. Its peripheral set supports parallel-slave port operation, enabling connection to external 8/16-bit bus masters for system expansion. nanoWatt Technology allows peripheral clock gating and multiple idle/sleep modes, reducing active current in duty-cycled applications such as battery-backed sensor hubs and remote monitoring nodes. Typical applications include industrial control and HMI panels, automotive body and instrument-cluster ECUs, large low-power connectivity gateways with four serial ports, and embedded consumer devices requiring many digital I/O. The four integrated serial ports (2x I2C/SPI, 2x LIN-capable USART) are particularly valuable for node aggregation in sensor-hub and bridge designs where multiple buses converge on a single supervisory controller. When designing with the PIC18F8622-I/PT, ensure the ICSP programming header is accessible for field firmware updates. Decouple VDD/VSS pairs with 100 nF X7R ceramics placed within 5 mm of each pin pair, and keep the 40 MHz crystal traces short and ground-guarded. The wide I/O count allows direct LCD bus multiplexing, but unused pins should be configured as outputs low to minimize current draw. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet - giving procurement and engineering teams a single reference for qualification, sourcing, and design-in decisions.

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PIC18F8622T-I/PT - 64KB Flash 8-bit MCU, 80-TQFP | Microchip
PIC18F8622T-I/PT

PIC18F8622T-I/PT - 64KB Flash 8-bit MCU, 80-TQFP | Microchip

The Microchip Technology PIC18F8622T-I/PT is a high-performance 8-bit PIC18F microcontroller with 64KB of Flash program memory and 4KB of RAM, operating at up to 40 MHz (10 MIPS) in an 80-pin TQFP (12x12 mm) package. It features 70 digital I/O pins, dual synchronous serial ports (I2C and SPI capable), and dual asynchronous (USART, LIN-capable) serial ports for connectivity-rich designs. An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU core, Flash program memory, RAM, peripherals, and I/O. The PIC18F family uses a RISC Harvard architecture with 200 ns instruction cycle at 10 MIPS, sitting within the broader hierarchy: 8-bit microcontroller -> PIC18F series -> Flash MCU -> microcontroller -> embedded processor -> semiconductor. PIC18F parts are widely used in industrial, automotive (LIN), and consumer applications where deterministic performance, robust peripherals, and mature toolchains (MPLAB X, XC8) are required. Key features include nanoWatt power management with multiple low-power modes (Sleep, Idle, Run), 10-bit ADC with up to 16 channels, dual analog comparators, hardware multiplier, and CTMU (Charge Time Measurement Unit) for capacitive touch. The 70 I/O pins and four serial ports make the PIC18F8622T-I/PT ideal for bridging sensors, displays, and communication buses simultaneously, while on-chip Flash enables in-circuit serial programming (ICSP) and self-programmability. The architecture combines an enhanced 16-bit instruction word with an 8-bit data path, delivering 200 ns instruction execution and a 16-bit wide Flash bus for fast code fetches. Code is organized as 32K x 16 words (64KB), and peripheral operation is highly deterministic thanks to the linear program memory map and shadow register banks for fast context saves during interrupts. The device operates from 4.2V to 5.5V across the industrial -40C to +85C temperature range (the I suffix). Typical applications include large low-power and connectivity-rich embedded systems such as industrial control panels, automotive LIN slave nodes, home appliance user interfaces, sensor hubs with multiple serial buses, and graphics/display controllers. The wide peripheral set (CCP/ECCP, MSSP, USART, ADC, comparators) supports simultaneous motor signaling, sensor sampling, and host communication. When designing with the PIC18F8622T-I/PT, ensure the decoupling strategy places one 100 nF ceramic capacitor near each power pin pair, plus a bulk 10 uF tantalum or aluminum-polymer capacitor on the main VDD rail. Avoid long traces on the 40 MHz oscillator pins and place the crystal within 10 mm of the OSC1/OSC2 pads. The T suffix indicates Tape & Reel packaging, and the I suffix denotes industrial temperature grade. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping procurement and engineering teams make informed sourcing decisions for legacy and active PIC18F8622 designs.

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PIC18F8627-E/PT - 96KB Flash 8-bit MCU 80-Pin TQFP | Microchip
PIC18F8627-E/PT

PIC18F8627-E/PT - 96KB Flash 8-bit MCU 80-Pin TQFP | Microchip

The Microchip PIC18F8627-E/PT is a high-performance 8-bit CMOS flash microcontroller built on the PIC18 enhanced RISC architecture, delivering up to 10 MIPS at 40 MHz with 96 KB of on-chip flash program memory and 3,936 bytes of SRAM, housed in an 80-pin TQFP package. The PIC18F8627 family is engineered for embedded designs that demand high I/O count, large code space, and robust peripheral integration, with 70 digital I/O pins, a 16-bit data bus, and supply voltage range of 4.2 V to 5.5 V. Key features include nanoWatt power management with multiple idle/sleep modes, a 10-bit ADC with up to 16 channels, multiple PWM modules, two USART modules, an I2C/SPI capable MSSP peripheral, and an enhanced CAN 2.0B module, all integrated on-chip. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (program flash + SRAM), non-volatile EEPROM, and configurable peripherals onto one silicon die. The 8-bit data path executes arithmetic and logic on bytes, and modern enhanced 8-bit cores such as the PIC18 family add a 16-bit instruction word and hardware multiply to deliver near-16-bit performance for control-loop, sensor-interface, and human-machine-interface applications. Within the broader taxonomy, the PIC18F8627 belongs to the 8-bit MCU category, which sits under microcontroller -> microprocessor -> semiconductor device. This part is the extended-temperature ("-E") variant rated for -40 C to +125 C operation, making it suitable for industrial and harsh-environment deployments. Compared with the PIC18F8525/8622 predecessors, the PIC18F8627 doubles the flash to 96 KB and adds the enhanced CAN peripheral plus USB-ready oscillator blocks. The 80-pin TQFP exposes four 8-bit ports plus extra analog and timer pins, enabling direct drive of graphical LCDs, keypads, and motor-driver stages. Typical applications include industrial control panels, automotive body and HVAC modules, building-automation gateways, medical instrument controllers, and consumer appliances requiring graphical user interfaces or networked sensor aggregation. Its CAN 2.0B peripheral is particularly attractive for in-vehicle networks and industrial fieldbus bridges. When designing with this part, ensure the configured oscillator (HS, EC, or PLL) matches the chosen 25 MHz or 40 MHz operation mode, and follow Microchip AN822 (flash programming) and the PIC18 configuration bits reference for in-circuit serial programming.

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PIC18F8627-I/PT - 8-Bit 40MHz 96KB Flash MCU | Microchip
PIC18F8627-I/PT

PIC18F8627-I/PT - 8-Bit 40MHz 96KB Flash MCU | Microchip

The Microchip Technology PIC18F8627-I/PT is an 8-bit PIC18F-family enhanced flash microcontroller with 96 KB of program Flash, 4 KB of RAM, and a 1 KB data EEPROM, operating at up to 40 MHz (10 MIPS) in an 80-pin TQFP (PT) 12x12 mm package. It integrates 70 general-purpose I/O pins, a 12-channel 10-bit analog-to-digital converter (ADC), two analog comparators, two USART modules, two MSSP (SPI/I2C) modules, two CCP/ECCP modules, and an enhanced CAN module, making it one of the most feature-dense PIC18 devices of its generation. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile data storage (EEPROM), and a rich set of peripherals onto one silicon die. PIC18 microcontrollers belong to the 8-bit reduced instruction set computing (RISC) class; they execute one instruction per clock cycle (4-clock instruction fetch plus 1-cycle execute at 40 MHz) and use a Harvard architecture with separate program and data buses. The PIC18F8627 is the top-of-family "enhanced flash" part, sitting one tier above the PIC18F6627 in flash density and feature set. Key features of the PIC18F8627-I/PT include nanoWatt power-management technology with multiple idle and sleep modes, a hardware 8x8 multiplier, a 16-bit wide instruction word, ICD/ICSP in-circuit debugging, and industrial temperature grade operation (-40C to +85C). The wide 2.0V to 5.5V Vdd range and low-power sleep modes make it attractive for both line-powered and battery-backed designs. The internal oscillator block provides configurable 8 MHz to 32 MHz operation, reducing external component count. Architecturally, the PIC18F8627-I/PT uses an enhanced flash memory cell that supports >10k erase/write cycles and >40-year data retention, with self-programmability under firmware control for bootloader-style field updates. The 10-bit ADC delivers up to 16 channels of conversion with a 100K samples/second aggregate rate, and the CTMU (Charge Time Measurement Unit) enables touch sensing and precise time-of-flight measurements. Typical applications include industrial automation controllers, HVAC and building-management systems, automotive body and instrument-cluster ECUs, embedded CAN-node interfaces, motor-control front-ends, and consumer white-goods main controllers. The combination of CAN + multiple serial ports + abundant I/O positions it well for distributed control networks. Design consideration: at 80 pins the TQFP footprint requires a 4-layer PCB for clean signal routing, and unused I/O must be configured as outputs or pulled to defined states to minimize current draw.

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PIC18F8627T-E/PT - 8-Bit MCU, 96KB Flash, 25MHz, TQFP-80
PIC18F8627T-E/PT

PIC18F8627T-E/PT - 8-Bit MCU, 96KB Flash, 25MHz, TQFP-80

The Microchip Technology PIC18F8627T-E/PT is an 8-bit PIC18 RISC microcontroller with 96 KB of Flash program memory and 3936 bytes of RAM, housed in an 80-pin TQFP (12x12 mm) package with 25 MHz operation. The extended-temperature grade (-40C to +125C) and on-chip peripherals make it suitable for industrial and automotive-grade embedded control. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and a range of peripherals (ADC, timers, communication interfaces, GPIO) into a single device. The PIC18 family is Microchip's 8-bit enhanced RISC architecture with 16-bit instruction width, Harvard memory structure, and an instruction set optimized for compiled C code. MCUs sit at the foundation of embedded systems: sensor -> MCU -> actuator, forming the decision-making core of every smart device from a washing machine controller to a CAN-connected automotive body controller. Key features of the PIC18F8627 include 1024 bytes of EEPROM data memory, two Master Synchronous Serial Port (MSSP) modules supporting SPI and I2C, two Capture/Compare/PWM (CCP) modules plus three Enhanced CCP (ECCP) modules with programmable dead time and auto-shutdown, a 10-bit ADC with multiple channels, two USART modules, an LCD driver, and an enhanced Flash program memory controller supporting self-programming. The instruction set runs at a 4:1 ratio versus oscillator frequency, delivering effective 6.25 MIPS performance at 25 MHz. Architecturally, the PIC18F8627 uses Microchip's enhanced Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The device integrates nanoWatt technology for low-power operation with multiple idle and sleep modes, plus a wide operating voltage range of 2.0V to 5.5V, enabling both 3.3V and 5V system designs without external level shifting. Typical applications include industrial automation controllers, automotive body and HVAC modules, point-of-sale terminals, medical instrumentation user interfaces, LCD-display-driven appliance controls, and CAN/LIN-connected sensor nodes. The 70+ GPIO pins provide ample headroom for keypad scan, display driving, and parallel sensor expansion. When designing with the PIC18F8627T-E/PT, ensure that decoupling is placed within 5 mm of each power pin pair. Use MPLAB X IDE with the XC8 compiler for C development; Microchip's Code Configurator plug-in generates peripheral initialization code from a graphical interface. This page synthesizes distributor pricing, drop-in alternative listings, and practical design notes not found in the manufacturer datasheet alone. The PIC18F8627 family has been superseded by the PIC18F87J11/PIC18F87K22 series for new designs.

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PIC18F8627T-I/PT - 8-Bit 40MHz MCU, 96KB Flash, 70 I/O | Microchip
PIC18F8627T-I/PT

PIC18F8627T-I/PT - 8-Bit 40MHz MCU, 96KB Flash, 70 I/O | Microchip

The Microchip Technology PIC18F8627T-I/PT is an 8-bit PIC18F-series CMOS flash microcontroller (MCU) delivering 40 MHz (10 MIPS) performance with 96 KB of program memory and 3,936 bytes of RAM, housed in an 80-pin TQFP (12x12 mm) package. The "T" suffix denotes tape-and-reel packaging, "I" indicates the industrial -40C to +85C temperature grade, and "/PT" identifies the TQFP surface-mount package. The PIC18F-series 8-bit microcontroller family uses Microchip's enhanced RISC Harvard architecture with a 16-bit instruction word and an 8-bit data path, optimized for deterministic real-time control. PIC18F MCUs sit above the PIC16F family in Microchip's taxonomy (PIC10/12/16/18/24/32) and below the 16-bit dsPIC and 32-bit PIC32 families, balancing code density, peripheral integration, and ultra-low-cost development toolchains (MPLAB X, XC8) for high-volume embedded designs. Key features of the PIC18F8627 include 70 general-purpose I/O pins, multiple communication peripherals (EUSART, I2C, SPI, parallel port), a 10-bit ADC, PWM outputs, and Enhanced Capture/Compare/PWM modules. The wide operating voltage range of 2.0V to 5.5V, internal oscillator, and self-programmable flash support field updates and BOM simplification. The 40 MHz instruction execution yields ~200 ns per instruction (10 MIPS), making this MCU competitive for motor control, industrial automation, automotive body electronics, and HMI applications. The 80-pin TQFP package supports the large I/O count needed for parallel LCD driving, multi-channel sensor aggregation, and complex user-interface designs. Typical applications include industrial control panels, HVAC controllers, automotive instrument clusters, point-of-sale terminals, and consumer white-goods user interfaces. The combination of 96 KB flash and ample RAM makes it suitable for USB stacks, graphics libraries, and bootloader-based firmware-over-the-air (FOTA) systems. When designing with the PIC18F8627, ensure the 2.0V-5.5V supply is well-decoupled with 100 nF ceramic capacitors near each VDD/VSS pair, and respect the 40 MHz maximum clock to avoid timing violations. For cost-sensitive designs, leverage the internal 8 MHz oscillator to reduce the BOM. This page synthesizes distributor pricing, drop-in alternatives from the PIC18F family, and practical design notes not found in the manufacturer datasheet, helping engineers make faster sourcing and design decisions.

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