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PIC18F84J11-I/PT - 8-Bit 40MHz 16KB Flash MCU | Microchip
PIC18F84J11-I/PT

PIC18F84J11-I/PT - 8-Bit 40MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F84J11-I/PT is an 8-bit PIC18J-series microcontroller providing 10 MIPS performance at 3V with an integrated 8 MHz internal oscillator and reduced sleep current versus the previous PIC18F87J10 family. The device integrates 16 KB (8K x 16) of Flash program memory, 70 I/O pins, and a 12-bit A/D converter, all housed in an 80-pin TQFP package measuring 12 x 12 mm with 1 mm height. It operates from a 2.0V to 3.6V supply with a maximum clock speed of 40 MHz. A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The PIC18 family uses an enhanced Harvard RISC architecture with separate program and data buses and a 16-bit instruction word optimized for C-compiled code. Within Microchip's hierarchy it sits above PIC16 and below PIC32, targeting cost-sensitive embedded applications where 8-bit deterministic behavior and low sleep current are decisive. Microcontrollers in this class are the control heart of products ranging from consumer appliances to industrial sensor nodes. Key features include 70 digital I/O pins, an internal 8 MHz RC oscillator, nanoWatt technology power management modes, multiple communication peripherals (UART, SPI, I2C), and a 12-bit A/D converter with up to 15 channels. The PIC18J family supports self-programmability of Flash, allowing field firmware updates via the application code. Enhanced PWM, capture/compare and a 16-bit timer block support motor and power-conversion control loops. The PIC18J architecture uses a two-stage pipeline with a wide 16-bit instruction path and dedicated hardware multiply, yielding 10 MIPS at 40 MHz core. The internal voltage regulator supports full-speed operation across 2.0V to 3.6V without external level shifters, and nanoWatt sleep modes drop quiescent current into the microamp range, suiting battery-powered designs that spend most of their life in standby. Typical applications include data loggers, industrial controllers, sensor interfaces, white goods / consumer appliances, and battery-powered instruments. The 70 I/O pins make it well-suited for large user-interface panels or systems that must drive several character LCDs, keypads and relays from a single chip. The part is adapted to cost-sensitive applications such as data loggers, controllers, sensors and consumer goods. When designing with this device, plan current budget carefully: 70 mA through 80 pins with 10 mA sink/source per pin can easily exceed the 200 mA package limit. Use the internal 8 MHz oscillator for low-EMI designs, and reserve the PLL only when 10 MIPS CPU throughput is mandatory. JTAG/ICSP programming requires dedicated RB6/RB7 pin sharing - keep these free for in-circuit programming in production. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC18F84J11T-I/PT - 16KB Flash 8-Bit MCU 80-TQFP | Microchip
PIC18F84J11T-I/PT

PIC18F84J11T-I/PT - 16KB Flash 8-Bit MCU 80-TQFP | Microchip

The Microchip Technology PIC18F84J11T-I/PT is a high-performance 8-bit PIC microcontroller from the PIC18 J-series family, delivering 10 MIPS throughput at 40 MHz core clock and integrating 16 KB (8K x 16) of Flash program memory with 1 KB of RAM in an 80-pin TQFP (12x12 mm) surface-mount package. The suffix 'T' designates Tape-and-Reel packaging for high-volume assembly lines, while 'I' indicates the industrial -40 °C to +85 °C operating temperature range required for factory-floor and outdoor embedded designs. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, on-chip Flash for program storage, RAM for runtime data, and a rich set of peripherals including timers, ADC, communication ports, and I/O. Within the broader taxonomy, the PIC18F84J11 belongs to the PIC18 family -> 8-bit PIC microcontrollers -> Microcontrollers (MCUs) -> Microcontrollers & Microprocessors -> Embedded Computing -> Semiconductors. The J-series variant targets cost-sensitive applications such as data loggers, control panels, and consumer devices by integrating an 8 MHz internal oscillator and offering lower sleep current than earlier 18F87J10 devices. Key features include 16 KB self-programmable Flash, 1 KB SRAM, 70 user I/O pins, an internal 8 MHz oscillator, an enhanced 10-bit ADC, multiple USART, SPI, and I²C peripherals, and the nanoWatt XLP (eXtreme Low Power) technology platform that enables battery-friendly sleep modes. The wide 2.5 V to 3.3 V core supply (with 5 V tolerant I/O on selected pins per datasheet) and 70 I/O make this device ideal for parallel-display, multi-key matrix, and segmented-LED or LCD human-machine-interface (HMI) front panels. Architecturally, the PIC18F84J11 uses a 16-bit modified Harvard RISC instruction set with an 8-bit data path, single-cycle instruction execution, and a hardware multiplier. Two 8-bit timer/counters, three 16-bit timer/counters, two capture/compare/PWM modules, an enhanced USART supporting LIN, and a 10-bit A/D converter with up to 12 input channels (device-dependent) deliver the signal-conditioning and control density required for sensor fusion and motor control. The integrated CTMU (Charge Time Measurement Unit) supports capacitive touch and precise time measurement. Typical applications include industrial data loggers, USB-to-UART bridges (with external transceiver), battery-powered sensor hubs, HMI/keypad controllers, white-goods appliance controllers, and embedded control for consumer electronics. The device is also commonly used in motor-control reference designs and lighting-control boards. Designers should plan for adequate decoupling (100 nF + 10 µF) near each VDD/AVDD pin and route the 80-TQFP land pattern carefully on a 4-layer PCB to maintain signal integrity on parallel ports. When migrating from the legacy PIC18F87J10 family, note that the 'J' core differs slightly in peripheral mapping and requires recompilation under MPLAB X IDE with the latest XC8 compiler toolchain. This page synthesizes distributor pricing, drop-in PIC18 family alternatives, and practical design notes that go beyond what the manufacturer datasheet alone provides.

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PIC18F84J90-I/PT - 8-bit 40MHz MCU 16KB Flash 80-TQFP | Microchip
PIC18F84J90-I/PT

PIC18F84J90-I/PT - 8-bit 40MHz MCU 16KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F84J90-I/PT is an 8-bit PIC18 microcontroller featuring 16KB (8K x 16) of Flash program memory, 1024 bytes of RAM, and a 67-I/O pin count, housed in an 80-pin TQFP (12x12 mm) package. It executes instructions at up to 12 MIPS with a 40 MHz clock and is built around an enhanced RISC architecture optimized for the C compiler. An 8-bit MCU (microcontroller) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and a rich set of peripherals (ADC, timers, communication interfaces, I/O). The PIC18 family sits in Microchip's mainstream 8-bit line, which forms a sub-tree of microcontrollers > MCUs > microcomputers > embedded processors > semiconductors. The "F" prefix designates Flash-based in-circuit programmability, while the "J90" suffix identifies the LCD-driver variant aimed at low-power, segment-display applications. Key features of the PIC18F84J90 family include an integrated LCD controller with charge-pump support, a 10-bit ADC, nanoWatt power-managed modes for battery-operated designs, two USART modules, a 10-bit DAC output, and an I2C/SPI peripheral complement. The wide 2.0V-3.6V core voltage (driven from the PIC18 "J" low-voltage, high-performance process) and on-chip regulator simplify single-supply PCB designs for handheld meters and thermostats. From an architectural standpoint, the part uses a 16-bit instruction word with an 8-bit data path, 32-level hardware stack, and linear memory addressing that simplifies C code generation. The on-chip LCD driver can sink segments through 64 common/segment pins while the core stays in a low-current idle mode, enabling years of operation on a coin cell. Typical applications include handheld utility meters (gas, water, electricity), digital thermometers and thermostats, home-security control panels, point-of-sale terminals, and battery-powered consumer products with segmented LCDs. The combination of LCD driver, ADC, low-power modes, and 67 I/O makes it a strong fit when the system needs a single chip to handle user interface, sensing, and control. A key design consideration is whether the design needs 64-pin or 80-pin I/O: this -I/PT variant is the 80-pin TQFP, providing the maximum 67-I/O and 64-segment LCD capability. Designers targeting lower pin counts should choose the 64-pin PIC18F65J90 or PIC18F65K90 family members. This page synthesizes distributor pricing, drop-in and migration alternatives, and practical design notes not found in the manufacturer datasheet alone, helping procurement and engineering teams evaluate the PIC18F84J90-I/PT for embedded LCD designs.

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PIC18F84J90T-I/PT - 8-Bit 40MHz 16KB Flash MCU | Microchip
PIC18F84J90T-I/PT

PIC18F84J90T-I/PT - 8-Bit 40MHz 16KB Flash MCU | Microchip

The Microchip Technology PIC18F84J90T-I/PT is an 8-bit PIC18 microcontroller from the PIC18J family, integrating 16 KB of Flash program memory (8K x 16 words), 1 KB of SRAM, and a 16-bit-wide instruction path running at up to 40 MHz. Housed in an 80-pin TQFP (12x12 mm) package with 70 user I/O, it operates from a 4.2 V to 5.5 V supply and is rated for the industrial -40C to +85C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and a rich set of peripherals such as timers, ADC, communication interfaces, and I/O pins. The PIC18 family is built on an enhanced Harvard RISC architecture, where the 8-bit data bus is paired with a separate, wider program-memory bus for instructions. Within the PIC18 hierarchy, the J-series parts add large I/O counts and LCD drive capability, positioning the PIC18F84J90 in the LCD PIC18F subfamily intended for human-interface designs. Key features include 16 KB self-programmable Flash, 1 KB RAM, 70 I/O pins, hardware LCD driver, 10-bit ADC channels, multiple USART/SPI/I2C peripherals, and nanoWatt power management. The 16-bit instruction word (8K x 16) enables compact C code and larger constant tables. The wide I/O count (70 pins) and large pin-count package make the part suitable for color TFT or segment LCD panels. Architecturally the part combines an 8-bit RISC core with a 16-bit program path and hardware multiplier, supporting C-optimized instruction set including multiply and hardware divide assist. The LCD module, ADC, and PWM peripherals share DMA-capable I/O allowing deterministic refresh of large graphical displays without CPU intervention. Typical applications include handheld meters, thermostats, home security panels, and power/gas/water metering. The integrated LCD controller with dedicated charge-pump makes the PIC18F84J90 ideal for battery-powered utility metering with graphical or segment displays. When designing, verify that the 4.2 V minimum supply (J-series constraint) is compatible with your power rail; K-series parts accept 1.8-5.5 V. Decouple VDD/VSS with 100 nF ceramic placed within 3 mm of each supply pin group. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes curated for the PIC18F84J90 family - a synthesis not found in the manufacturer datasheet alone.

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PIC18F8520-E/PT - 8-bit 25MHz 32KB Flash MCU 80-TQFP | Microchip
PIC18F8520-E/PT

PIC18F8520-E/PT - 8-bit 25MHz 32KB Flash MCU 80-TQFP | Microchip

The Microchip Technology PIC18F8520-E/PT is an 8-bit PIC18F-series microcontroller (MCU) based on an enhanced RISC architecture, delivering 25 MIPS performance from a 25 MHz oscillator while integrating 32 KB (16K x 16) of Flash program memory, 2 KB of SRAM, and 256 bytes of EEPROM in a 80-pin TQFP (12x12 mm) package. The -E suffix designates the Extended industrial temperature grade (-40C to +125C), and the /PT suffix denotes the 80-lead TQFP surface-mount package. What is a PIC18F microcontroller? The PIC18F family is a family of 8-bit Harvard-architecture microcontrollers from Microchip Technology that sit between the baseline PIC10/12/16 families and the 16-bit dsPIC/PIC24 families in the company's product hierarchy. PIC18F parts add a 16-bit instruction word, linear memory addressing, C-friendly architecture, hardware multiply, and richer peripherals (USB, CAN, Ethernet, ADC) compared to baseline PICs. As a microcontroller (MCU), the PIC18F8520 integrates CPU, Flash, SRAM, EEPROM, timers, ADC, communication peripherals, and I/O on a single die, eliminating the need for external memory in many embedded designs. Key features of the PIC18F8520 include 68 digital I/O lines, two USART modules, one MSSP (SPI/I2C) module, two CCP modules plus one enhanced ECCP, five 8/16-bit timers, a 10-bit ADC with up to 16 channels, two analog comparators, and a 10-bit DAC reference module. The PIC18 instruction set provides 77 instructions with hardware multiply, allowing efficient C compilation and deterministic real-time response for control loops. Code protection, low-voltage programming, and ICSP (In-Circuit Serial Programming) support simplify prototyping and field updates. The PIC18F8520 architecture exposes the same peripheral set as the smaller PIC18F452 but adds more RAM, more I/O, and a second USART, making it suitable for high-pin-count designs that still fit within an 8-bit instruction budget. Its 80-pin TQFP exposes 68 I/O with flexible peripheral remapping via PPS-like alternate pin functions on most lines, plus separate analog and digital power pins for noise isolation. Typical applications for the PIC18F8520-E/PT include industrial control panels, HVAC controllers, automotive body and comfort modules, multi-sensor data loggers, and human-machine interface (HMI) boards where a low-cost 8-bit MCU with abundant I/O and two serial ports is preferred. Its 32 KB Flash supports GUI stacks or motor-control libraries, while the 10-bit ADC serves transducer monitoring. Designers should pay attention to the 80-TQFP's thermal pad (EP) connection to ground for EMI suppression, and route AVSS/AVDD separately from digital supply when using ADC channels. Programming uses Microchip's MPLAB X IDE with the free MPLAB XC8 compiler, and ICSP requires dedicated PGC/PGD pins that must not be reassigned by the application. This page synthesizes distributor pricing, drop-in alternatives from the PIC18F85xx family, and practical design notes not found in the standalone datasheet.

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PIC18F8520-I/PT - 8-Bit 40MHz MCU 32KB Flash 80-TQFP | Microchip
PIC18F8520-I/PT

PIC18F8520-I/PT - 8-Bit 40MHz MCU 32KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F8520-I/PT is an 8-bit PIC microcontroller IC running up to 40MHz, integrating 32KB (16K x 16) of Flash program memory, 2048 bytes of RAM, and 1024 bytes of EEPROM in an 80-pin TQFP package (12x12 mm body, 1 mm height). It belongs to the PIC18F85xx series and is described by Microchip as the natural extension of the PIC18F452, adding more RAM, more I/Os, a second serial communication port, additional timers and CCP modules while remaining software-compatible with earlier PIC18 families. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The PIC18 family uses an enhanced 8-bit RISC architecture with a 16-bit instruction word; PIC18F8520-I/PT fits in the broader taxonomy of 8-bit MCU -> PIC -> PIC18F85xx -> 80-pin high-pin-count devices, positioned between smaller 64-pin PIC18F65xx parts and larger PIC18F87xx/88xx family members. Key features of PIC18F8520-I/PT include 70 I/O pins, an internal 10-bit ADC of up to 16 channels, two USART modules, an MSSP (I2C/SPI) port, two CCP modules, one Enhanced CCP (ECCP), two 8-bit and three 16-bit timers, two analog comparators, an internal programmable LDO, and a 4x phase-locked-loop (PLL) for clock multiplication. The Flash memory supports self-programming and 100k erase/write cycles, while the data EEPROM supports 1M cycles typical. Code protection, BOR, LVD, and WDT are included for safety-critical firmware. Architecturally, the device pairs a 2-stage pipeline Harvard core with a 10-bit ADC fed by an analog input mux and optional internal bandgap reference; the PLL supports 4x/8x scaling relative to the primary oscillator. Operating voltage spans 4.2V to 5.5V (industrial), with an extended 2.0V-5.5V variant available in the same family. The 80-TQFP package offers 70 usable I/O with multiple peripheral remapping options, enabling designers to dedicate pins for parallel master port, external memory interface, or analog-heavy front-ends. Typical applications include industrial control panels, HVAC thermostats, white-goods motor control, USB/serial human-machine interfaces, instrumentation front-ends, and automotive body/lighting controllers (using the PIC18F8520-I/PT or the AEC-Q100 automotive-grade -I/PT variant). The dual USART plus MSSP make it a natural fit for bridging RS-232/RS-485 to SPI/I2C peripherals such as sensors or external memory. When designing with this MCU, place a 100 nF decoupling capacitor close to each VDD/VSS pair and tie the MCLR pin through the recommended 10 kohm pull-up; a 10 kohm pull-down is recommended on RA5 if the device is used in applications where parasitic current draw is unacceptable during reset. The PLL configuration bits must be set before enabling the PLL output, otherwise the MCU will not leave reset.

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PIC18F8520T-E/PT - 25MHz 8-bit MCU 32KB Flash 80-TQFP | Microchip
PIC18F8520T-E/PT

PIC18F8520T-E/PT - 25MHz 8-bit MCU 32KB Flash 80-TQFP | Microchip

The Microchip Technology PIC18F8520T-E/PT is a 25 MHz 8-bit flash microcontroller from the PIC18F family, delivering 32 KB (16K x 16) of on-chip program memory and 2 KB of RAM in a 80-pin TQFP (PT) package measuring 12x12 mm. It features 70 I/O ports, a 16-bit data bus, and operates from a 4.2 V to 5.5 V single supply. The 'T' suffix denotes tape-and-reel packaging and the 'E' suffix indicates the extended industrial temperature grade of -40 °C to +125 °C. An 8-bit microcontroller (MCU) is a self-contained programmable processor that integrates CPU, non-volatile program memory, volatile data RAM, and peripheral subsystems (timers, ADC, communication ports, I/O) onto a single silicon die. PIC18F-series MCUs use an enhanced Harvard RISC architecture with a 16-bit instruction word and 8-bit data path, achieving up to 10 MIPS at 40 MHz while retaining upward source compatibility with PIC16/PIC17 devices. Key features of the PIC18F8520 include a second USART/serial port beyond the PIC18F452 baseline, multiple capture/compare/PWM modules, an on-chip 10-bit ADC, and code-protection fuses for secure firmware. The 70 I/O pins support extensive parallel expansion, making the device suitable for human-machine-interface panels, instrumentation, and motor-control front-ends. The flash program memory supports in-circuit serial programming (ICSP) and in-application reprogramming. Architecturally the PIC18F8520 separates code (16-bit wide flash) and data (8-bit SRAM) buses for predictable real-time response. Power-management features include multiple oscillator modes (HS, XT, LP, RC), a power-on reset, brown-out reset, watchdog timer with separate on-chip oscillator, and an ultra-low-power SLEEP mode drawing microampere-level current. Typical applications span industrial control panels, automotive instrument clusters, white-goods user interfaces, and embedded sensor hubs that require >64 I/O equivalents. Compared with smaller-package PIC18F variants, the 80-TQFP version exposes additional ports for character-LCD bus, keypad matrix, and analog front-end connectivity. When designing with this device, ensure the supply rail sits between 4.2 V and 5.5 V and reserve a pair of pins for ICSP clock/data to maintain field-reprogramming capability. The 'E' temperature grade makes the part suitable for under-hood automotive or outdoor industrial enclosures where commercial-grade parts would drift outside spec. This page synthesizes XAIPART distributor pricing, Microchip same-family drop-in alternatives, pin-compatibility analysis, and design guidance not aggregated on a single distributor product page.

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PIC18F8525-I/PT - 8-bit MCU, 48KB Flash, 40MHz, 80-TQFP | Microchip
PIC18F8525-I/PT

PIC18F8525-I/PT - 8-bit MCU, 48KB Flash, 40MHz, 80-TQFP | Microchip

The Microchip Technology PIC18F8525-I/PT is a high-performance 8-bit PIC18 microcontroller IC running up to 40 MHz, integrating 48 KB of Enhanced Flash program memory (24K x 16), 3840 bytes of RAM, and a 16-channel 10-bit ADC, packaged in an 80-pin TQFP (12 x 12 mm). It is part of the 64/80-pin PIC18F6525/6621/8525/8621 family that targets data-intensive embedded control applications where the smaller PIC18F parts run out of I/O. What is a PIC18 8-bit microcontroller? PIC18 is Microchip's high-end 8-bit MCU family, sitting above the PIC16 baseline and below the PIC24/dsPIC 16-bit families. It uses an enhanced Harvard architecture with 16-bit instructions and 8-bit data path, supports linear addressing up to 2 MB, and is C-friendly thanks to hardware multiply, hardware FSRs, and a deterministic interrupt controller. Within the PIC18 family, the 'F8525' is a high-pin-count (>64 pins) member, a step up from the 40/44/64-pin mainstream parts. Key features include 70 I/O pins, a 16-channel 10-bit ADC, multiple UART/SPI/I2C peripherals, two Capture/Compare/PWM modules, and a self-programmable Flash that supports bootloading via the ICSP interface. The device operates from 4.2 V to 5.5 V, has 25 source/sink I/O capable of 25 mA each, and integrates a 10 MIPS CPU core at 40 MHz. Architecturally, the '8525 uses the classic PIC18 pipeline with an 8-bit ALU, 31-level hardware stack, and a peripheral set tuned for industrial and consumer embedded designs. Code is executed from internal Flash with optional external memory expansion through the parallel port. The analog chain uses a 10-bit successive-approximation ADC shared across 16 channels. Typical applications include industrial control panels, HVAC fan/coil controllers, UPS and power-conversion front-ends, automotive body/comfort modules, medical instrumentation, and large graphical user-interface boards (segment LCD, TFT with external controller). The 70 I/O lines give designers enough headroom for keypads, multiple LEDs, parallel peripherals, and a rich analog sensor mix on a single chip. When designing with the PIC18F8525-I/PT, ensure your firmware uses the MPLAB XC8 compiler and the latest MPLAB X IDE for full register-view support. Plan decoupling with 100 nF per VDD pair plus a 10 uF bulk; the 'I' suffix specifies the industrial -40C to +85C temperature range, which is appropriate for most outdoor and factory-floor products.

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PIC18F8525T-I/PT - 8-Bit 40MHz 48KB Flash MCU | Microchip
PIC18F8525T-I/PT

PIC18F8525T-I/PT - 8-Bit 40MHz 48KB Flash MCU | Microchip

The Microchip Technology PIC18F8525T-I/PT is an 8-bit PIC18 microcontroller IC running at up to 40 MHz with 48 KB (24K x 16) of enhanced flash program memory, housed in an 80-pin TQFP (12x12 mm) surface-mount package. It integrates 3840 bytes of RAM, 1024 bytes of EEPROM, and 70 general-purpose I/O pins to support complex embedded applications requiring significant peripheral integration. A microcontroller (MCU) is a single-chip computer that contains a CPU, non-volatile program memory, volatile data memory, and peripheral interfaces such as timers, ADC, UART, I2C, and SPI on one die. PIC18 microcontrollers use Microchip's enhanced RISC Harvard architecture with 16-bit opcodes and 8-bit data path, positioning them in the 8-bit MCU family that also includes PIC16 and PIC10/12/14 families, occupying the middle performance tier above baseline PIC16 devices. Key features include a 10-bit analog-to-digital converter with up to 16 channels, two USART modules, an MSSP (Master Synchronous Serial Port) configurable for SPI or I2C, a CAN 2.0B module, multiple capture/compare/PWM modules, and a 16-bit wide data path for high-throughput memory access. The -I suffix indicates the industrial operating temperature range from -40°C to +85°C, while the TQFP-80 (PT) package suits industrial and commercial designs that demand high pin counts. The device operates from 4.2 V to 5.5 V and supports in-circuit serial programming (ICSP) plus in-circuit debugger (ICD) interfaces, enabling field firmware updates and accelerated development cycles. Its enhanced flash memory supports endurance of 100K cycles minimum and retention of more than 40 years, reducing field maintenance for long-life industrial installations. Typical applications include industrial automation controllers, building automation, HVAC control panels, automotive body and comfort modules, point-of-sale terminals, and embedded human-machine interface (HMI) controllers. The wide I/O count and rich peripheral set suit designs that aggregate many discrete functions onto a single MCU. When designing with this part, allocate a 4.7 µF bulk capacitor plus a 0.1 µF decoupling capacitor for each VDD/VSS pair and follow Microchip's recommended layout for MCLR reset to ensure reliable in-circuit programming. Plan voltage rails within the 4.2 V to 5.5 V window and reserve RA4/RB0 for low-voltage ICD if debugging tools are required. This page synthesizes distributor pricing, drop-in alternatives, and practical engineering notes not found in the manufacturer datasheet, giving engineers a faster route from specification to purchase order.

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PIC18F8527-I/PT - 48KB Flash 8-bit MCU 70 I/O | Microchip
PIC18F8527-I/PT

PIC18F8527-I/PT - 48KB Flash 8-bit MCU 70 I/O | Microchip

The Microchip PIC18F8527-I/PT is an 8-bit PIC18 family CMOS flash microcontroller (MCU) with 48KB (24K x 16) of on-chip program flash, 4KB RAM, and 1KB EEPROM, housed in an 80-pin TQFP (PT) 12x12-millimeter surface-mount package. It executes instructions at up to 40MHz (10MIPS), operates from 4.2V to 5.5V, and offers 70 general-purpose I/O lines for high-pin-count embedded designs. An 8-bit MCU is a microcontroller built around an 8-bit arithmetic logic unit and data bus, optimized for cost-sensitive, deterministic control tasks. The PIC18 family extends this with an enhanced RISC instruction set, hardware multiplier, and a 16-bit-wide instruction word; in the broader taxonomy it sits between 8-bit MCUs and higher-performance 16/32-bit controllers, and within the power-management hierarchy it functions as an embedded compute node that drives sensors, user interfaces, and communication peripherals. The PIC18F8527 specifically targets large low-power (nanoWatt) and connectivity applications that benefit from four serial ports (two MSSP for I2C/SPI plus two enhanced USARTs LIN-capable). Key features include a 10-bit ADC with up to 16 channels, two analog comparators, two capture/compare/PWM modules, a parallel slave port, and nanoWatt power-saving modes (idle, sleep, deep sleep, run-time IDLE). The PIC18F8527 also integrates a CTMU module for capacitive touch sensing, an LCD driver option on related family members, and an on-chip 32kHz auxiliary oscillator for low-power timer operation. The wide operating range and rich peripheral set make it suitable for industrial control, automotive body and HMI modules, and consumer appliances. The architecture uses a 16-bit modified Harvard structure with separate program and data paths, supporting 75 instructions including hardware multiply. Internal data EEPROM supports 1 million erase/write cycles typical, while flash endurance is rated 10k erase/write per row typical. The TQFP-80 package supports a -40C to +85C industrial temperature range and is qualified to standard commercial/industrial reliability expectations. Typical applications include industrial control panels and PLCs, automotive body/HMI controllers, large-format user-interface boards with LCDs and keypads, point-of-sale terminals, and connected sensor hubs requiring multi-serial-port connectivity. The 70 I/O pins permit driving display rows, scanning key matrices, and bridging multiple serial buses without external expanders. When designing with this MCU, allocate sufficient decoupling (100nF plus 10uF bulk near each VDD/VSS pair), ensure the MCLR reset network includes the recommended 10k pull-up and decoupling, and plan ISP/ICSP header access for in-circuit programming. Bootloader and self-programming flows require configuration-bit discipline; consult the device datasheet memory-mapped configuration registers before committing a layout. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F8585-E/PT - 8-Bit 25MHz 48KB Flash MCU 80-TQFP | Microchip
PIC18F8585-E/PT

PIC18F8585-E/PT - 8-Bit 25MHz 48KB Flash MCU 80-TQFP | Microchip

The Microchip Technology PIC18F8585-E/PT is an 8-bit PIC18F-family CMOS flash microcontroller running at up to 25 MHz (E suffix denotes the Extended industrial temperature grade, -40C to +125C), integrating 48 KB of program Flash organized as 24K x 16 words, 3,328 bytes of RAM, and 1,024 bytes of data EEPROM, all in an 80-pin TQFP (12x12 mm) package. The 'E' in the part number denotes the Extended temperature range, and '/PT' is the 80-lead TQFP packaging designator. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path and Harvard architecture, integrating CPU core, program memory (Flash/ROM), data memory (RAM), non-volatile EEPROM, and a rich set of peripherals including timers, communication interfaces (UART, SPI, I2C), and analog-to-digital converters. PIC18F-series microcontrollers specifically sit in the hierarchy 8-bit MCU -> PIC micro -> microcontroller -> embedded computing -> semiconductor, and use Microchip's enhanced instruction set to deliver up to 10 MIPS at 40 MHz with 16-bit-wide instructions and single-cycle multiply. Key features of the PIC18F8585-E/PT include a 12-channel 10-bit Analog-to-Digital Converter (ADC) with input multiplexing across up to 68 I/O pins, two Capture/Compare/PWM (CCP) modules plus an Enhanced CCP (ECCP), two USART modules with LIN support, an MSSP port configurable as SPI or I2C (master/slave), a CAN 2.0B module, four 8-bit timers and three 16-bit timers/watchdogs, two analog comparators, and a 16-bit Parallel Slave Port. It supports in-circuit serial programming (ICSP) and in-circuit debug (ICD) via two pins, and operates from 4.2 V to 5.5 V with industrial-grade ESD and latch-up performance. Architecturally, the device uses an enhanced RISC core with 32-level hardware stack, 8x8 hardware multiplier, and a 16-bit instruction word optimized for deterministic interrupt response and C-compiler code density. The 80-pin TQFP exposes 68 digital I/O lines plus dedicated oscillator, programming, and analog reference pins. Power-managed modes include Run, Idle, and Sleep with multiple wake-up sources, enabling battery-friendly operation. Typical applications include industrial control with CAN networking, automotive body and chassis ECUs, HVAC and building automation, motor control (BLDC and stepper), instrumentation front-ends, and any embedded design requiring abundant I/O plus on-chip CAN, ADC, and PWM peripherals. Compared with switching regulator solutions, the on-chip ADC and analog comparators avoid external analog front-end ICs in many designs. When designing with the PIC18F8585-E/PT, use the MPLAB X IDE with the free XC8 compiler and MPLAB Code Configurator (MCC) for peripheral setup. Reserve dedicated pins for MCLR, OSC1/OSC2, AVSS/AVDD, and ensure decoupling capacitors are placed close to the supply pins. The '-E' temperature grade qualifies the part for -40C to +125C operation, distinguishing it from the standard 'I' grade. This page synthesizes distributor stock and lead-time intelligence, drop-in and pin-compatible alternatives within the same 80-TQFP footprint, and engineering design notes that complement the manufacturer's datasheet to accelerate BOM selection and PCB redesign.

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PIC18F8585-I/PT - 8-bit 40MHz 48KB Flash MCU 80-TQFP | Microchip
PIC18F8585-I/PT

PIC18F8585-I/PT - 8-bit 40MHz 48KB Flash MCU 80-TQFP | Microchip

The Microchip Technology PIC18F8585-I/PT is a high-performance 8-bit CMOS flash-based microcontroller in the PIC18F family, delivering up to 10 MIPS at 40 MHz, with 48 KB of program flash and 3328 bytes of RAM, housed in an 80-pin TQFP (12x12 mm) package. It is part of the PIC18F8585/6680/8680 family of 64/68/80-pin enhanced flash microcontrollers with an integrated ECAN module, targeting applications that need CAN connectivity, ample I/O, and large memory in a single chip. The industrial-grade -I temperature range and integrated peripherals make it a strong fit for embedded designs that bridge 8-bit simplicity with automotive-bus and human-machine-interface requirements. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (flash/ROM), data memory (RAM), and integrated peripherals such as timers, ADC, communication controllers, and I/O. The PIC18F series is Microchip's enhanced 8-bit architecture, offering up to 16-bit wide instruction execution, hardware multiplier, C-friendly architecture, and rich peripheral integration. Positioned in the product hierarchy, this part sits as: PIC18F8585 -> PIC18F family -> PIC18 series -> 8-bit MCU -> microcontroller -> embedded IC. The integrated ECAN module places it above basic 8-bit MCUs that require an external CAN controller, reducing BOM cost and PCB area in networked embedded systems. Key features include 48 KB (24K x 16) of flash program memory, 3328 bytes of data RAM, up to 70 I/O pins depending on package variant, hardware ECAN module supporting CAN 2.0B, multiple USART, MSSP (SPI/I2C), 10-bit ADC, capture/compare/PWM modules, and nanoWatt power management with multiple low-power modes. The 80-pin TQFP package exposes a wide pinout suitable for graphical displays, keypads, and parallel buses. Industrial-grade -I variant supports -40C to +85C operation, suitable for non-automotive harsh environments. The PIC18F8585 uses Microchip's enhanced Harvard architecture with separate program and data buses, allowing simultaneous fetch and read/write in a single instruction cycle. The 8-bit datapath with 16-bit instruction word delivers compact code density while keeping firmware portable across the PIC18 family. Integrated ECAN with maskable filters reduces host-CPU load in CAN networks, and the 10-bit ADC with up to 12 channels supports sensor interfacing without an external ADC. Typical applications include industrial CAN-node controllers, HVAC control panels, building automation gateways, instrumentation front panels, and embedded operator-interface modules. In each of these, the combination of large flash, rich I/O, ECAN, and a stable 8-bit toolchain makes the PIC18F8585 a balanced choice where 32-bit MCUs are overkill but bare 8-bit MCUs lack CAN or memory. Designers should evaluate whether the PIC18F8585 family status of Not Recommended for new designs (per Microchip product page) fits the project lifecycle. For new designs, Microchip typically directs users to the PIC18F K-series or similar modern parts; the PIC18F8585 remains useful for maintenance, repair, and legacy designs with established firmware. This page synthesizes distributor pricing, parametric comparison, and design notes not found in a single manufacturer datasheet, providing engineering context for sourcing, replacement, and lifecycle decisions.

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PIC18F8585T-I/PT - 48KB Flash 8-bit MCU, TQFP-80 | Microchip
PIC18F8585T-I/PT

PIC18F8585T-I/PT - 48KB Flash 8-bit MCU, TQFP-80 | Microchip

The Microchip Technology PIC18F8585T-I/PT is an 8-bit PIC microcontroller built on the enhanced PIC18 RISC architecture, offering 48KB (24K x 16) of Flash program memory and 3.25KB (3328 bytes) of RAM in a 12x12 mm 80-pin TQFP package. It operates up to 40 MHz (10 MIPS) from a 4.2V to 5.5V supply, with 70 digital I/O pins and an integrated 10-bit ADC, multiple USART, SPI, I2C, CAN, and parallel ports for mixed-signal embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. The 8-bit MCU class uses an 8-bit data path and instruction word widths of 16 bits (PIC18). Microcontrollers sit within the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC. PIC18 devices target applications requiring deterministic real-time control, low power, and rich peripheral integration at low cost. Key features include: 48KB self-programmable Flash, 3328 bytes SRAM, 1024 bytes EEPROM, hardware multiplier, 16-bit timers, 10-bit ADC with up to 16 channels, two USARTs, MSSP (SPI/I2C), CAN module, parallel slave port, and a 5-bit/8-bit parallel port. The wide operating range supports automotive (-40C to +125C) and industrial environments. Five 8-bit I/O ports (PORTA-PORTE) plus PORTF/PORTG provide 70 general-purpose I/O lines. Two capture/compare/PWM modules and enhanced CCP add flexible motor-control capability. Internally, the PIC18F8585 uses a 16-bit Harvard architecture with pipelined instruction fetch and an 8-bit ALU plus hardware multiply. The enhanced instruction set includes C-optimized constructs and bit manipulation. A 10-channel, 10-bit ADC supports both single-ended and differential conversions for sensor acquisition. An integrated CAN 2.0B controller and parallel port make the device suited to industrial networking and instrumentation. Typical applications include industrial control panels, automotive body and HVAC modules, security and access systems, medical instrumentation, and HVAC controllers. The high pin count (80 TQFP) accommodates parallel LCD interfaces, multiple UART links, and large I/O expansion, while the 5V-tolerant I/O simplifies interfacing to legacy 5V peripherals. A key design consideration: at 40 MHz, the supply current draw requires proper decoupling - place a 100nF ceramic capacitor on each VDD/VSS pair close to the pins, plus a bulk 10uF tantalum or ceramic capacitor near the IC. In-Circuit Serial Programming (ICSP) requires dedicated ICSPCLK/ICSPDAT pins routed with short traces to the programming header to prevent signal integrity issues. This page synthesizes distributor pricing, drop-in 80-pin TQFP alternatives, and practical design notes not found in the manufacturer datasheet, enabling faster component selection for engineers and procurement teams.

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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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