Microchip Technology

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

부품 번호: PIC18F86K22T-I/PT ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
2.5V to 5.5V (2.5V/3.3V/5V nominal) Vdss 80-pin TQFP (12x12 mm) Package 64 MHz Speed 64 KB (32K x 16) Memory
시작가 $2.3 USD / 개
MOQ: 1 |
가격 업데이트: 2026-09-28
볼륨 가격
수량 단가 합계
1 $3.43 $3.43
10 $3.18 $31.80
100 $2.84 $284.00
500 $2.55 $1,275.00
1,000 $2.3 $2,300.00
ℹ️ 모든 가격은 USD 기준입니다

PIC18F86K22T-I/PT 개요

The Microchip PIC18F86K22T-I/PT is a 8-bit PIC RISC microcontroller with 64KB Flash, 4KB RAM, and a 64MHz core speed, housed in an 80-pin TQFP (12x12 mm) package. It operates across a wide voltage range of 2.5V to 5.5V (2.5V/3.3V/5V) and is AEC-Q100 qualified for automotive applications. The tape-and-reel (T/R) suffix supports high-volume manufacturing.

An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals onto one die. The PIC18F family uses an enhanced Harvard RISC architecture with 16-bit instructions and 8-bit data, balancing deterministic real-time performance with low power consumption via nanoWatt XLP technology. Within the broader taxonomy, the PIC18F86K22 belongs to the microcontroller category, which itself is a sub-category of microprocessors, integrated circuits, and semiconductors used in embedded systems.

Key features include 64KB (32K x 16) Flash program memory, 4KB SRAM, 1KB EEPROM, an integrated Charge Time Measurement Unit (CTMU) for capacitive touch sensing, and 12-bit ADC capabilities. The 64MHz oscillator frequency delivers up to 16 MIPS of throughput, providing ample headroom for real-time control loops. The 80-TQFP package exposes the full peripheral set, including multiple USART, SPI, I2C, PWM, and capture/compare modules.

Technical depth comes from the nanoWatt XLP technology, which enables deep sleep currents in the nanoampere range, making the part ideal for battery-powered and energy-harvesting applications. The CTMU peripheral enables time-of-flight measurement, capacitive touch buttons, and on-chip temperature sensing without external components. AEC-Q100 qualification confirms compliance with automotive stress-test requirements, supporting under-the-hood and body-electronics deployments.

Typical applications include automotive body controllers, industrial human-machine interface (HMI) panels, capacitive touch user interfaces, battery-powered sensor nodes, and home appliances. The combination of generous I/O on the 80-pin package and robust peripherals makes the PIC18F86K22 a general-purpose workhorse for automotive and industrial designers.

When designing with this device, allocate adequate decoupling (100nF plus 1uF bulk) near each power pin and follow Microchip's guidelines for in-circuit serial programming (ICSP) layout to avoid signal-integrity issues. Use the MPLAB XC8 compiler and a PICkit 5 for development.

This page synthesizes authorized-distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

드롭인 대체품: PIC18F86K22T-I/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: PIC18F86K22T-I/PT (동일 폼 팩터 및 풋프린트) — 차이점: Package, Program Memory (Flash), I/O Pins, Operating Temperature, ADC.

Microchip Technology
Package: 80-pin TQFP (12 x 12 mm, 0.5 mm pitch)
Program Memory (Flash): 32 KB (16K x 16)
Operating Temperature: -40 C to +85 C (Industrial)
Microchip Technology
Package: 80-TQFP (12x12 mm)
Program Memory (Flash): 32 KB (16K x 16)
I/O Pins: 69
Microchip Technology
Package: 80-TQFP (PT) 12x12 mm
Program Memory (Flash): 96 KB (48K x 16)
I/O Pins: 66
Microchip Technology
Package: TQFP-80 (PT), 12x12 mm, 0.5 mm pitch
I/O Pins: 70
Operating Temperature: -40 C to +85 C (industrial)
Microchip Technology
Package: 80-pin TQFP (PT) 12x12 mm
I/O Pins: 70
Operating Temperature: -40 C to +85 C (Industrial, -I suffix)
Microchip Technology
Package: 80-TQFP (12x12 mm)
Program Memory (Flash): 128 KB
I/O Pins: Up to 70

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

PIC18F86K22-I/PT

✅ 드롭인
Microchip Technology
📦 80-TQFP (12x12)
Microchip Technology · PIC18F XLP · PIC18F 8-bit RISC · 8-bit · 64 KB FLASH · 4 KB · 1 KB · 64 MHz

✓ 재고 있음

$4.21 / 개

데이터시트 보기 →

PIC18F86K22T-I/PTRSL

✅ 드롭인
📦 80-TQFP (12x12)
same die, same 80-TQFP package, RSL (reel) packaging variant; identical silicon and electrical specs

📋 참조 대체품 (카탈로그에 없음)

PIC18F85K22T-I/PT

✅ 드롭인 ⚠️ 사양 미검증
Microchip Technology
📦 64-TQFP (10x10)
PIC18 8-bit RISC · 32 KB (16K x 16) · 2 KB · 1 KB · 64 MHz · 1.8 V to 5.5 V · -40C to +85C (Industrial) · 69

✓ 재고 있음

$4.4 / 개

데이터시트 보기 →

PIC18F86J72T-I/PT

✅ 드롭인
Microchip Technology
📦 80-TQFP (12x12)
PIC18, 8-bit RISC · PIC18F8xJ72 Energy Meter/Monitor · 64 KB (32K x 16) · 4 KB · 48 MHz (12 MIPS) · 4.2 V to 5.5 V · Dual-channel 16/24-bit sigma-delta · 12-bit, 12-channel

✓ 재고 있음

$5.4 / 개

데이터시트 보기 →

PIC18F86J55T-I/PT

✅ 드롭인 ⚠️ 사양 미검증
Microchip Technology
📦 80-TQFP (12x12)
PIC18J, 8-bit · PIC 18J Microcontroller · 48 MHz (12 MIPS) · 96 KB (48K x 16) · 3.8 KB · 4 KB dedicated · 2.0 V to 3.6 V · 66

✓ 재고 있음

$5.95 / 개

데이터시트 보기 →

PIC18F85J94-I/PT

✅ 드롭인 ⚠️ 사양 미검증
Microchip Technology
📦 80-TQFP (12x12)
PIC18 (8-bit, enhanced instruction set) · PIC18FXXJ94 (PIC XLP 18J) · 32 KB (16K x 16) · 4 KB · 64 MHz (16 MIPS) · 2.0 V to 3.6 V · -40 C to +85 C (Industrial) · 80-pin TQFP (12 x 12 mm, 0.5 mm pitch)

✓ 재고 있음

$4.85 / 개

데이터시트 보기 →

PIC18F86K22T-I/PT 최대 정격 & 전기적 특성

Product Family PIC XLP 18K
Core Architecture 8-bit PIC RISC
Core Frequency 64 MHz
Program Memory (Flash) 64 KB (32K x 16)
RAM 4 KB
EEPROM 1 KB
Operating Voltage 2.5V to 5.5V (2.5V/3.3V/5V nominal)
ADC 12-bit
패키지 80-pin TQFP (12x12 mm)
실장 유형 Surface Mount
동작 온도 -40C to +85C (industrial)
AEC-Q100 Qualified (automotive grade)
Peripheral Features nanoWatt XLP, CTMU (capacitive touch / temp)
RoHS 상태 Compliant
Packaging Tape & Reel (TR)
핀 수 80

PIC18F86K22T-I/PT 핀 구성

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
핀 1 RE0/RD/PD — PORTE bit 0 / Parallel Slave Port data
핀 2 RE1/WR/PC — PORTE bit 1 / Parallel Slave Port control
핀 3 RE2/CS — PORTE bit 2 / Parallel Slave Port CS
핀 4 MCLR/RG0 — Master Clear reset input (programming voltage input)
핀 5 RG1 — PORTG bit 1
핀 6 RG2 — PORTG bit 2
핀 7 RG3 — PORTG bit 3
핀 8 RG4 — PORTG bit 4
핀 9 RA0/AN0 — PORTA bit 0 / Analog input 0
핀 10 RA1/AN1 — PORTA bit 1 / Analog input 1
핀 11 RA2/AN2/VREF- — PORTA bit 2 / Analog input 2 / ADC Vref-
핀 12 RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / ADC Vref+
핀 13 RA4/T0CKI — PORTA bit 4 / Timer0 clock input
핀 14 RA5/AN4 — PORTA bit 5 / Analog input 4
핀 15 RA6 — PORTA bit 6
핀 16 RA7 — PORTA bit 7
핀 17 VDD — Positive supply voltage (2.5V to 5.5V)
핀 18 VSS — Ground reference
핀 19 OSC1/CLKIN — External clock input / crystal connection 1
핀 20 OSC2/CLKOUT — External clock output / crystal connection 2
핀 21 RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator out / clock in
핀 22 RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator in / CCP2
핀 23 RC2/CCP1 — PORTC bit 2 / CCP1 module
핀 24 RC3/SCL/SCK — PORTC bit 3 / I2C SCL / SPI SCK
핀 25 RC4/SDA/SDI — PORTC bit 4 / I2C SDA / SPI SDI
핀 26 RC5/SDO — PORTC bit 5 / SPI SDO
핀 27 RC6/TX1/CK1 — PORTC bit 6 / EUSART1 TX / clock
핀 28 RC7/RX1/DT1 — PORTC bit 7 / EUSART1 RX / data
핀 29 RE3 — PORTE bit 3
핀 30 RF0 — PORTF bit 0
핀 31 RF1 — PORTF bit 1
핀 32 RF2 — PORTF bit 2
핀 33 RF3 — PORTF bit 3
핀 34 RF4 — PORTF bit 4
핀 35 RF5 — PORTF bit 5
핀 36 RF6 — PORTF bit 6
핀 37 RF7 — PORTF bit 7
핀 38 VDD — Positive supply voltage
핀 39 AVDD — Analog positive supply
핀 40 AVSS — Analog ground
핀 41 RH0/AN5 — PORTH bit 0 / Analog input 5
핀 42 RH1/AN6 — PORTH bit 1 / Analog input 6
핀 43 RH2/AN7 — PORTH bit 2 / Analog input 7
핀 44 RH3/AN8 — PORTH bit 3 / Analog input 8
핀 45 RH4/AN9 — PORTH bit 4 / Analog input 9
핀 46 RH5/AN10 — PORTH bit 5 / Analog input 10
핀 47 RH6/AN11 — PORTH bit 6 / Analog input 11
핀 48 RH7/CCP6 — PORTH bit 7 / CCP6 module
핀 49 RJ0 — PORTJ bit 0
핀 50 RJ1 — PORTJ bit 1
핀 51 RJ2 — PORTJ bit 2
핀 52 RJ3 — PORTJ bit 3
핀 53 RJ4 — PORTJ bit 4
핀 54 RJ5 — PORTJ bit 5
핀 55 RJ6 — PORTJ bit 6
핀 56 RJ7 — PORTJ bit 7
핀 57 RB0 — PORTB bit 0 (interrupt-on-change)
핀 58 RB1 — PORTB bit 1 (interrupt-on-change)
핀 59 RB2 — PORTB bit 2 (interrupt-on-change)
핀 60 RB3 — PORTB bit 3 (interrupt-on-change)
핀 61 RB4 — PORTB bit 4 (interrupt-on-change)
핀 62 RB5 — PORTB bit 5 (interrupt-on-change)
핀 63 RB6/ICSPCLK — PORTB bit 6 / ICSP clock
핀 64 RB7/ICSPDAT — PORTB bit 7 / ICSP data
핀 65 RD0/PSP0 — PORTD bit 0 / Parallel Slave Port data 0
핀 66 RD1/PSP1 — PORTD bit 1 / Parallel Slave Port data 1
핀 67 RD2/PSP2 — PORTD bit 2 / Parallel Slave Port data 2
핀 68 RD3/PSP3 — PORTD bit 3 / Parallel Slave Port data 3
핀 69 RD4/PSP4 — PORTD bit 4 / Parallel Slave Port data 4
핀 70 RD5/PSP5 — PORTD bit 5 / Parallel Slave Port data 5
핀 71 RD6/PSP6 — PORTD bit 6 / Parallel Slave Port data 6
핀 72 RD7/PSP7 — PORTD bit 7 / Parallel Slave Port data 7
핀 73 VSS — Ground reference
핀 74 RG5 — PORTG bit 5
핀 75 RG6 — PORTG bit 6
핀 76 RG7 — PORTG bit 7
핀 77 RE4 — PORTE bit 4
핀 78 RE5 — PORTE bit 5
핀 79 RE6 — PORTE bit 6
핀 80 RE7 — PORTE bit 7

일반적인 애플리케이션

PIC18F86K22T-I/PT 적합 용도: 8 애플리케이션s: Automotive Body Control Module, Capacitive Touch HMI Panel, Battery-Powered Sensor Node, Industrial HMI Display Controller, Home Appliance Control Board, Automotive HVAC Control Module, Industrial Data Logger, Smart Home Sensor Hub.

🚗

Automotive Body Control Module

The PIC18F86K22T-I/PT fits automotive body control modules because its AEC-Q100 grade, -40C to +85C range, and 64KB Flash accommodate typical BCM firmware (LIN/CAN stacks, lighting logic, door/window control). The 80-TQFP exposes the full peripheral matrix required for multiple LIN transceivers, PWM channels for lighting fade and door mirror motors, and 12-bit ADC for battery voltage and current sensing. Per Microchip's automotive reference designs, BCMs in this class typically pair the MCU with the ATA6613 LIN transceiver and a switching regulator on the 5V rail.

🎧

Capacitive Touch HMI Panel

The PIC18F86K22T-I/PT enables robust capacitive-touch HMI panels through its integrated Charge Time Measurement Unit (CTMU), which can implement up to 16 buttons or a slider on the 80-pin TQFP footprint without a dedicated touch controller. Designers using Microchip's mTouch framework can pair this MCU with the MCP6022 op-amp for signal conditioning and a small OLED via SPI or I2C. The 4KB RAM is sufficient for transient touch-event buffers and debounce logic, while nanoWatt XLP keeps standby power below typical regulator leakage when the panel is idle.

📱

Battery-Powered Sensor Node

For battery-powered sensor nodes (gas, water, environmental monitoring), the PIC18F86K22T-I/PT delivers nanoWatt XLP sleep currents in the nanoampere range and a wide 2.5V to 5.5V supply window, enabling direct operation from a 3.6V Li-SOCl2 primary cell or a regulated 5V bus. The 64KB Flash can hold a LoRa-class protocol stack or a Zigbee-stack wrapper, and 4KB SRAM buffers short data bursts. A typical bill of materials pairs the MCU with an MCP1700 low-Iq LDO and a SHT3x humidity/temperature sensor over I2C.

🏭

Industrial HMI Display Controller

The PIC18F86K22T-I/PT controls industrial HMI displays where 64KB Flash supports graphical UI assets, 4KB RAM buffers frame updates, and the 80-TQFP exposes SPI plus PWM channels for TFT backlight and button LED control. The AEC-Q100 stress-test profile makes it well suited to factory environments with thermal cycling, and the CTMU can replace mechanical buttons entirely. Designers commonly pair this MCU with a SPI TFT controller IC, an RS-485 transceiver (e.g. ISL3179) for fieldbus isolation, and a 24V-to-5V switching regulator.

🏭

Home Appliance Control Board

The PIC18F86K22T-I/PT is well fitted to home-appliance control boards (washing machines, dishwashers, induction cooktops) because the 64KB Flash accommodates motor-control and UI firmware, the 12-bit ADC monitors mains voltage and motor current, and 80-TQFP exposes 8 to 12 PWM channels for triac/SSR drive. The AEC-Q100 stress-test margin exceeds consumer-only requirements, which translates to longer field life in hot, humid kitchen/laundry environments. Typical companions include an MCP6004 op-amp for current-shunt conditioning and a MOC3021 optocoupler for triac isolation.

🚗

Automotive HVAC Control Module

The PIC18F86K22T-I/PT drives automotive HVAC control modules where multiple blower-speed PWMs, temperature-sensor inputs via the 12-bit ADC, and a LIN/CAN interface are required. Its AEC-Q100 grade and wide supply range (2.5V to 5.5V) tolerate the load-dump and cold-crank transients that appear on automotive buses. The CTMU can implement touch-button climate controls as a value-add, replacing mechanical knob encoders. Designers pair this MCU with the ATA6613 LIN transceiver and the TC427 MOSFET driver to switch the blower and mode-door actuators.

🖥️

Industrial Data Logger

The PIC18F86K22T-I/PT serves as the core of industrial data loggers where 64KB Flash stores compressed log records, 4KB RAM holds circular buffers between flushes to external EEPROM/SD, and the 12-bit ADC samples up to 12 analog channels with 64MHz instruction throughput. The nanoWatt XLP deep-sleep mode keeps the data logger's standby draw at sub-microamp levels between samples. Common companions include a 24LC1025 EEPROM for nonvolatile storage, an MCP79410 RTC for timestamped logging, and an RS-485 transceiver for remote query.

🧩

Smart Home Sensor Hub

The PIC18F86K22T-I/PT can act as a smart-home sensor hub that aggregates inputs from multiple sensors via I2C/SPI, performs local decision logic, and forwards data to a gateway over UART or a sub-GHz radio. Its 64KB Flash accommodates ANSI C protocol stacks, 4KB RAM holds message queues, and the 80-TQFP exposes enough I/O for multiple peripheral buses. The nanoWatt XLP feature set lets the hub run from a coin cell or a small solar harvest for months without service. Typical bill of materials adds the MRF89XA sub-GHz transceiver and a SHT3x environmental sensor.

추천 제품 요약

ATA6613 LIN transceiver companion for BCM comms 사용처: Automotive Body Control Module, Automotive HVAC Control Module MCP2561 CAN transceiver for in-vehicle networking 사용처: Automotive Body Control Module PIC18F66K80-I/PT Microchip Technology 사용처: Automotive Body Control Module MCP6022 Op-amp for CTMU signal conditioning 사용처: Capacitive Touch HMI Panel PIC18F67K22T-I/PT Microchip Technology 사용처: Capacitive Touch HMI Panel MCP1700 Low-Iq LDO for battery rails 사용처: Battery-Powered Sensor Node SHT3x I2C humidity/temperature sensor for sensor nodes 사용처: Battery-Powered Sensor Node, Smart Home Sensor Hub ISL3179 RS-485 transceiver for industrial fieldbus 사용처: Industrial HMI Display Controller MCP1541 Voltage reference for ADC accuracy in HMI 사용처: Industrial HMI Display Controller MCP6004 Quad op-amp for current-sense conditioning 사용처: Home Appliance Control Board MOC3021 Optotriac driver for load switching 사용처: Home Appliance Control Board TC427 MOSFET driver for HVAC actuator switching 사용처: Automotive HVAC Control Module 24LC1025 1-Mbit EEPROM for log storage 사용처: Industrial Data Logger MCP79410 I2C RTC with timestamp and battery backup 사용처: Industrial Data Logger MRF89XA Sub-GHz transceiver for hub-to-gateway link 사용처: Smart Home Sensor Hub
What is the operating voltage of the PIC18F86K22T-I/PT?
The PIC18F86K22T-I/PT operates across a wide supply range of 2.5V to 5.5V, supporting nominal rails of 2.5V, 3.3V, and 5V. According to the Microchip PIC18F86K22 datasheet, this wide operating window eliminates the need for an external level shifter in mixed-voltage systems and enables direct battery operation from a single Li-ion cell. For low-power modes the nanoWatt XLP feature set drops quiescent current into the nanoampere range for sleep states.
How much Flash and RAM does the PIC18F86K22T-I/PT have?
The PIC18F86K22T-I/PT integrates 64KB of Flash program memory (32K x 16 words) plus 1KB of EEPROM and 4KB of SRAM data memory, per the Microchip datasheet. The 32K-word Flash organization supports 16-bit wide instructions and is in-system programmable through ICSP. Combining 64KB code space with 4KB RAM provides ample room for protocol stacks, USB-device-class code, or graphics buffers in HMI applications.
What is the package of the PIC18F86K22T-I/PT?
The PIC18F86K22T-I/PT ships in an 80-pin TQFP (Thin Quad Flat Pack) measuring 12x12 mm with a 0.5 mm pitch and the suffix /PT designates TQFP pin-out per Microchip ordering nomenclature. The "T" before /PT indicates Tape & Reel packaging for high-volume surface-mount assembly. This is the largest pin-count package in the PIC18F K22 family, exposing the full peripheral set including up to 12 ADC channels and multiple serial interfaces.
Is the PIC18F86K22T-I/PT AEC-Q100 automotive qualified?
Yes, the PIC18F86K22T-I/PT meets AEC-Q100 stress-test requirements for automotive applications according to its product page identifier. Automotive qualification covers the -40C to +85C industrial temperature range plus additional reliability testing for vibration, thermal cycling, and humidity. Designers targeting under-the-hood or body-electronics modules can deploy this part without additional qualification of the silicon itself.
Where can I buy the PIC18F86K22T-I/PT and what is the price?
The PIC18F86K22T-I/PT is in stock at authorized distributors including DigiKey, Mouser, LCSC, and Hotenda as of 2026-09-28. DigiKey lists the unit price at approximately $3.43 for qty-1 with bulk pricing scaling down to roughly $2.30 at qty 1000. LCSC offers an alternate Asian sourcing channel starting from $1.87 per unit. Always purchase from authorized channels to receive Microchip's warranty and traceability documentation.
What is the lead time for PIC18F86K22T-I/PT orders?
Lead time for the PIC18F86K22T-I/PT at authorized distributors is typically 4-8 weeks as of 2026-09-28, with both DigiKey and Mouser showing factory stock. The /PT package in Tape & Reel is a high-volume SKU and is generally maintained in factory inventory. For allocation-prone periods request an RFQ through Microchip direct sales or authorized partners for guaranteed delivery schedules.
What is the difference between PIC18F86K22T-I/PT and PIC18F86K22-I/PT?
The PIC18F86K22T-I/PT and PIC18F86K22-I/PT share identical silicon (64KB Flash, 4KB RAM, 80-TQFP) per the Microchip part numbering convention: the "T" between the part number and the /PT package code designates Tape-and-Reel packaging, while its absence (PIC18F86K22-I/PT) denotes a tray. Both operate at -40C to +85C industrial temperature and share the same datasheet. Choose /TR suffix for SMT production lines and /PT-no-T for low-volume prototype or tray-receiving assemblers.
How does the PIC18F86K22T-I/PT compare with the PIC18F85K22T-I/PT?
The PIC18F86K22T-I/PT and PIC18F85K22T-I/PT differ primarily in pin count: the 86K22 part ships in an 80-pin TQFP exposing the full peripheral matrix, while the 85K22 ships in a 64-pin TQFP with a smaller subset of I/O. Both share 64KB Flash and 4KB RAM. Choose the 86K22 if your design needs more ADC channels, extra USART/SPI ports, or additional timer/capture modules, or the 85K22 for compact PCBs where fewer pins are sufficient.
Is there a drop-in replacement for the PIC18F86K22T-I/PT?
The closest drop-in replacement for the PIC18F86K22T-I/PT is its sibling PIC18F86K22-I/PT (tray-packaged variant) and the higher-density PIC18F86J72T-I/PT (different flash size, requires firmware recompile). Within the same 80-pin TQFP footprint and PIC18 family, the PIC18F8722 and PIC18F86J15 are the most commonly cited alternatives. Review the specific datasheet tables for ADC channel count and peripheral mapping before substituting to avoid I/O allocation rework.
Where is the PIC18F86K22T-I/PT pinout and TQFP pin map published?
The PIC18F86K22T-I/PT pinout is published in the Microchip datasheet (document identifier 39976) starting in the pinout chapter with each pin label, alternate function, and on-chip peripheral mapping. The 80-TQFP package with 0.5 mm pitch follows the standard JEDEC pin numbering. For convenience, Microchip also publishes a PinTable file in the MPLAB X IDE plugin repository that lists every pin by name and package option.
What are the key specifications of the PIC18F86K22T-I/PT that engineers should know?
The PIC18F86K22T-I/PT key specifications engineers need to know are: 8-bit PIC RISC core at 64MHz (up to 16 MIPS), 64KB Flash program memory with self-read/write capability, 4KB SRAM, 1KB EEPROM, 12-bit ADC, integrated CTMU for capacitive touch sensing and on-chip temperature, 2.5V to 5.5V supply range, nanoWatt XLP deep-sleep current in the nanoampere range, 80-pin TQFP package (12x12 mm), and AEC-Q100 grade. The combination of large memory, automotive qualification, and ultra-low sleep current makes it a strong choice for body-electronics and sensor-interface modules.
What is the best Microchip alternative for the PIC18F86K22T-I/PT in a smaller package?
The best Microchip alternative in a smaller package is the PIC18F85K22T-I/PT, which shares the same 64KB Flash and 4KB RAM but fits a 64-pin TQFP. The pin count reduction eliminates roughly 16 peripheral pins while keeping the same XLP power profile and CTMU feature set, per the Microchip datasheet. If you need to migrate to a smaller footprint without losing the automotive-grade qualification or the capacitive-touch engine, this is the lowest-friction substitution.
Why does the PIC18F86K22T-I/PT include a CTMU peripheral?
The PIC18F86K22T-I/PT integrates a Charge Time Measurement Unit (CTMU) that uses a constant-current source to measure capacitance or temperature on a single analog pin, enabling capacitive touch buttons, sliders, and proximity sensors without dedicated touch ICs. According to the Microchip reference designs, the CTMU can also measure the discharge time of a thermistor for on-chip temperature measurement, reducing BOM for thermostatic applications. For production touch UI, Microchip's mTouch framework provides firmware and tuning tools.
What development tools support the PIC18F86K22T-I/PT?
The PIC18F86K22T-I/PT is supported by the MPLAB X IDE with the MPLAB XC8 C compiler (free and Pro tiers) and the PICkit 5 in-circuit debugger/programmer via the ICSP interface. The MPLAB Code Configurator (MCC) plugin auto-generates peripheral initialization code for UART, SPI, I2C, ADC, PWM, and the CTMU. Microchip's Curiosity development board and the PIC18F86K22 Curiosity High Pin Count (HPC) board are available for rapid prototyping.
What are the typical applications of the PIC18F86K22T-I/PT?
Typical applications of the PIC18F86K22T-I/PT include automotive body controllers and HVAC modules, capacitive touch user interfaces on appliance and industrial panels, battery-powered sensor nodes leveraging the nanoWatt XLP sleep modes, industrial HMI displays, and home-automation gateways. The combination of wide supply range, generous 64KB Flash, 80-pin TQFP peripheral density, and AEC-Q100 grade makes it suited for both consumer and automotive-grade embedded designs.

엔지니어링 참조 데이터: PIC18F86K22T-I/PT — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the PIC18F86K22T-I/PT when your design requires AEC-Q100 qualification, 64KB of Flash for protocol stacks or HMI code, 4KB RAM for graphics buffers, and up to 80 pins to expose the full PIC18F peripheral set. Typical sweet spots include automotive BCMs, HVAC modules with capacitive touch, battery-powered sensor hubs, and industrial HMI controllers. If you need fewer pins (and a smaller PCB), step down to the PIC18F85K22T-I/PT (64-pin TQFP) keeping the same Flash/RAM. For more Flash headroom in the same footprint, look at the PIC18F86J55T-I/PT (96KB Flash on 80-TQFP). The PIC18F86K22-I/PT is the same silicon in a tray - pick that for hand-assembled prototypes or short production runs. The PIC18F85J94-I/PT remains an alternative but requires peripheral mapping review before substituting.

대체품과의 비교

파라미터 이 제품 PIC18F86K22-I/PT PIC18F86K22T-I/PTRSL PIC18F85K22T-I/PT PIC18F86J72T-I/PT PIC18F86J55T-I/PT PIC18F85J94-I/PT
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 80-TQFP (12x12) 80-TQFP (12x12) - same 80-TQFP (12x12) - same 64-TQFP (10x10) - smaller 80-TQFP (12x12) - same 80-TQFP (12x12) - same 80-TQFP (12x12) - same

주요 차별점

  • Highest pin count in PIC18F K22 family (vs PIC18F85K22T-I/PT)
  • AEC-Q100 grade with CTMU peripheral (vs PIC18F86J72T-I/PT)
  • Tape & Reel packaging for high-volume SMT (vs PIC18F86K22-I/PT)

설계 노트

Estimated power budget for a typical HMI application: with MCU running at 64MHz on 5V and peripherals (ADC, SPI, EUSART) active, supply current is roughly 15-20 mA. Adding a nanoWatt XLP sleep interval of 100 ms out of 1 s reduces average current below 1 mA. Decoupling must include a 100 nF X7R 0603 next to each VDD/AVDD pair, plus a 1-10 uF bulk capacitor on the main rail. For battery-only designs, an MCP1700 LDO with 1.6 uA quiescent keeps idle draw at sub-microamp levels when the MCU is in deep sleep.

The 80-TQFP with 0.5 mm pitch requires a 4-layer PCB to maintain signal integrity on parallel ports and avoid impedance issues. Keep crystal traces within 5 mm of the OSC1/OSC2 pins and surround them with a guard trace tied to ground. The ICSP pins (RB6/RB7) must be brought to a 2x3 100 mil header so a PICkit 5 can program the board without rework. MCLR pin needs a 10 kohm pull-up to VDD plus a 100 nF to ground; some application notes call for a diode clamp to prevent misprogramming on noisy resets.

Do not exceed the absolute maximum VDD of 5.5V or allow negative voltages on any I/O pin; failure to meet these constraints (e.g. during hot-plug events) can latch-up the part. Ensure code enables the watchdog timer early in firmware to recover from any software lockup. The CTMU calibration procedure (per Microchip mTouch framework) must be re-run after each wake-from-sleep or the touch thresholds will drift. Do not assert MCLR low for longer than 2 milliseconds without sequencing the firmware reset routine.

Estimated junction-temperature rise: at full-load (64MHz, all peripherals, 5V), power dissipation is approximately 0.1 W, yielding a junction rise of about 5 C above 25 C ambient using the theta_JA of 50 C/W typical for TQFP packages. For automotive deployments under hood at ambient temperatures up to 85 C, this leaves at least 50 C of thermal headroom, sufficient for sustained operation without active cooling. When using the part in a sealed industrial enclosure, derate the temperature rating accordingly or add airflow to maintain reliable operation.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
무연
Yes
무할로겐
Yes
분쟁 광물
Compliant

AEC-Q100 grade per product page identifier. RoHS and REACH compliant per Microchip product environmental compliance documentation.

데이터 검증일: 2026-09-28 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

PIC18F86K22T-I/PT PIC18F86K22T-I/PT datasheet PDF PIC18F86K22T-I/PT price buy Microchip 80-pin TQFP 64KB flash MCU AEC-Q100 PIC18 microcontroller PIC18F86K22 vs PIC18F85K22 PIC18F86K22T-I/PT automotive body control module PIC18F86K22T-I/PT drop-in replacement PIC18F86K22 nanoWatt XLP CTMU PIC18F86K22T-I/PT pinout 80-TQFP PIC18F86K22T-I/PT in stock distributor low power 8-bit PIC microcontroller 64MHz PIC18F capacitive touch CTMU HMI PIC18F86K22 Industrial 80-pin MCU

관련 부품 & 용어

Microchip Technology PIC18F86K22T-I/PT PIC18F86K22 PIC18F85K22T-I/PT PIC18F86K22-I/PT PIC18F86J72T-I/PT PIC18F86J55T-I/PT 8-bit microcontroller MCU PIC18F PIC XLP 18K RISC architecture Harvard architecture nanoWatt XLP CTMU Charge Time Measurement Unit 12-bit ADC TQFP package 80-pin TQFP AEC-Q100 ICSP MPLAB X IDE MPLAB XC8 compiler PICkit 5 RoHS REACH
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