Microchip Technology

PIC18F65K22T-I/PT - 32KB Flash 8-bit MCU | Microchip | 64-TQFP

N.º da peça: PIC18F65K22T-I/PT ✓ Ativo
Em estoque Enviado em 1 a 3 dias úteis
1.8 V to 5.5 V (2.5 V / 3.3 V / 5 V typical) Vdss 64-pin TQFP (PT), 10 x 10 mm, tape & reel Package 64 MHz Speed 32 KB (16K x 16) Memory
A partir de $2.88 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-27
Preços por volume
Qtd. Preço unitário Total
1 $4.86 $4,86
10 $4.32 $43,20
100 $3.71 $371,00
500 $3.25 $1.625,00
1.000 $2.88 $2.880,00
ℹ️ Todos os preços estão em USD

PIC18F65K22T-I/PT Visão geral

The Microchip Technology PIC18F65K22T-I/PT is an 8-bit RISC PIC18 microcontroller running up to 64MHz, featuring 32KB (16K x 16) of Flash program memory, 2KB of SRAM, and 1KB of EEPROM in a 64-pin TQFP (10x10 mm) tape-and-reel package. The 'T' suffix indicates tape-and-reel packaging and the 'I' suffix denotes the industrial -40C to +85C operating temperature range, making it suitable for automotive, industrial, and consumer embedded systems. The PIC18F65K22 integrates the nanoWatt XLP extreme-low-power technology, dual I2C/SPI, two EUSARTs, up to 10 timers, multiple PWM channels, a 12-bit ADC, comparators, and a Charge Time Measurement Unit (CTMU) for capacitive-touch sensing.

An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control in cost-sensitive embedded applications. Within the broader taxonomy, the PIC18F65K22 belongs to the 8-bit MCU family -> microcontroller -> embedded processor -> semiconductor. It executes a RISC instruction set, meaning most instructions complete in one clock cycle, and uses a Harvard architecture with separate program and data buses. The 'K22' device family is Microchip's enhanced mid-range nanoWatt XLP line, balancing 3V-5V operation with extreme low sleep current.

Key features that distinguish this part include 64MHz operation with 16 MIPS throughput, 16-channel 12-bit ADC, 8 CCP/ECCP modules supporting PWM, dual I2C and dual SPI ports, two EUSART interfaces including LIN support, CTMU for touch sensing, and an operating voltage range of 1.8V to 5.5V (typical 2.5V/3.3V/5V). The 64-pin TQFP exposes up to 53 digital I/O pins, providing generous headroom for parallel interfaces, displays, and motor-control loops.

The PIC18F65K22's high pin count and rich peripheral mix make it well suited for applications such as HVAC controllers, white-goods user interfaces, automotive body and cluster modules, capacitive touch panels, industrial sensor hubs, and small graphical LCD or TFT displays. Its nanoWatt XLP idle currents below 1uA allow battery-powered designs to maintain RTC and external interrupts for years on a single cell. Real-time determinism and an automotive-qualified temperature option also suit LIN nodes and CAN-adjacent I/O expanders.

Alternativas drop-in para PIC18F65K22T-I/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Variantes desta série

Modelos da mesma série compatíveis como drop-in com PIC18F65K22T-I/PT (mesmo formato e footprint) — diferindo em Package, Core Architecture, Timers, I/O Pins, ADC.

Microchip Technology
Package: 64-pin TQFP (PT) 10x10 mm
Core Architecture: PIC18 (8-bit Harvard RISC)
Timers: 5 (8/16-bit)
Microchip Technology
Package: 64-pin TQFP (PT), 10x10 mm, 0.5 mm pitch
Timers: Multiple 8-bit and 16-bit timers (per family datasheet)
I/O Pins: 54
Microchip Technology
Package: 64-TQFP (10x10 mm, MS-026)
Core Architecture: PIC18 (8-bit Harvard)
Timers: 8-bit/16-bit, CCP, RTCC
Microchip Technology
Package: 64-pin TQFP (10x10 mm, "PT")
Timers: 10 (8/16-bit)
I/O Pins: Up to 53
Microchip Technology
Package: 64-TQFP (10x10 mm)
I/O Pins: 54
Microchip Technology
Package: TQFP-64 (10x10 mm, MS-026)
Core Architecture: PIC18 8-bit RISC
I/O Pins: 54
Microchip Technology
Package: 64-pin TQFP (10x10 mm)
Core Architecture: PIC18 8-bit RISC (Harvard)
Timers: 8-bit and 16-bit, multiple instances
Microchip Technology
Package: 64-pin TQFP (10x10 mm, 0.5 mm pitch)
Core Architecture: PIC 8-bit RISC (PIC18 enhanced)
Timers: 4 (16-bit/8-bit mix)
Microchip Technology
Package: 64-pin TQFP (PT) 10x10 mm
Timers: 7 (8/16-bit)
I/O Pins: 54
Microchip Technology
Package: TQFP-64 (PT) 10x10 mm, 0.50 mm pitch
Core Architecture: PIC18J (8-bit data, 16-bit instruction)
I/O Pins: 51
Microchip Technology
Package: TQFP-64 (PT), 10x10 mm
Core Architecture: 8-bit PIC RISC (16-bit instruction word)
I/O Pins: 54

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

PIC18F65K22-I/PT

✅ Drop-In
Microchip Technology
📦 64-TQFP (PT)
Flash (enhanced) · 32 KB (16K x 16) · 2 KB · 1 KB · PIC18 8-bit RISC · 64 MHz (16 MIPS) · 1.8 V to 5.5 V (4.2 V to 5.5 V typical for -I/PT) · Up to 53

✓ Em estoque

$3.45 / unidade

Ver ficha técnica →

PIC18F65K22T-E/PT

✅ Drop-In
📦 64-TQFP (PT)
Same die; extended temperature -40C to +125C (E suffix vs industrial -40C to +85C); pin-to-pin

📋 Alternativa de referência (fora do catálogo)

PIC18F65K22T-I/PTVAO

✅ Drop-In
📦 64-TQFP (PT)
Same silicon; VAO suffix = factory-tracked automotive variant, otherwise identical

📋 Alternativa de referência (fora do catálogo)

PIC18F65K22T-I/MRRSL

✅ Drop-In
📦 64-TQFP (PT)
Same die; MRRSL = 64-QFN tray, NOT 64-TQFP; flagged here for awareness only

📋 Alternativa de referência (fora do catálogo)

PIC18F65J10-I/PT

✅ Drop-In
Microchip Technology
📦 64-TQFP (PT)
PIC18 (8-bit Harvard RISC) · PIC18J-series · 32 KB (16K x 16) · 2 KB · 40 MHz · Up to 16 MIPS · 4.2 V to 5.5 V · 2.0 V to 3.6 V

✓ Em estoque

$4.4 / unidade

Ver ficha técnica →

PIC18F65J50T-I/PT

✅ Drop-In
Microchip Technology
📦 64-TQFP (PT)
PIC18 RISC, 8-bit data path, 16-bit instruction word · PIC18F "J" Series (PIC18F6xJ50 / 8xJ50) · 48 MHz (16 MIPS) · 32 KB (16K x 16) · 3.8 KB · USB 2.0 Full-Speed (12 Mbit/s), device mode · 54 · 4.2 V to 5.5 V (I/O); 2.0 V to 3.6 V (VDDCORE from internal regulator)

✓ Em estoque

$3.3 / unidade

Ver ficha técnica →

PIC18F65K22T-I/PT Classificações máximas e características elétricas

Core Processor PIC18
Core Architecture 8-bit RISC (Harvard)
Max CPU Clock 64 MHz
Instruction Throughput 16 MIPS (4 cycles/instruction)
Program Memory (Flash) 32 KB (16K x 16)
Data SRAM 2 KB
Data EEPROM 1 KB
Operating Voltage Range 1.8 V to 5.5 V (2.5 V / 3.3 V / 5 V typical)
Faixa de temperatura de operação -40 C to +85 C (Industrial, 'I' suffix)
Encapsulamento 64-pin TQFP (PT), 10 x 10 mm, tape & reel
I/O Pins Up to 53 digital I/O
ADC 12-bit, up to 16 channels
Timers Up to 10 (8-bit/16-bit mixed)
PWM Channels Up to 8 (via CCP/ECCP)
Communication 2x I2C, 2x SPI, 2x EUSART (LIN), PSP
Low-Power Technology nanoWatt XLP
Touch Interface CTMU (Charge Time Measurement Unit)
Tipo de montagem Surface Mount
Status RoHS Compliant

Configuração de pinos do PIC18F65K22T-I/PT

TQFP-64 Package Pinout Diagram TQFP-64 10x10mm, P0.5mm, JEDEC MS-026. 1 16 TQFP-64
Pino 1 RE3/MCLR/VPP — Digital input RE3 / Master Clear (reset) / Programming voltage
Pino 2 RA0/AN0/C1IN+/ULPWU — PORTA bit 0 / Analog input 0 / Comparator 1 non-inverting / ultra-low-power wake-up
Pino 3 RA1/AN1/C2IN+/C1IN-/CTDIN — PORTA bit 1 / Analog input 1 / Comparator inputs / CTMU digital input
Pino 4 RA2/AN2/C2IN-/VREF- — PORTA bit 2 / Analog input 2 / Comparator / negative voltage reference
Pino 5 RA3/AN3/C1IN+/VREF+ — PORTA bit 3 / Analog input 3 / Comparator / positive voltage reference
Pino 6 RA4/T0CKI/C1OUT — PORTA bit 4 / Timer0 clock input / Comparator 1 output
Pino 7 RA5/AN4/C2OUT — PORTA bit 5 / Analog input 4 / Comparator 2 output
Pino 8 RE0/RD — PORTE bit 0 / Parallel Slave Port read
Pino 9 RE1/WR — PORTE bit 1 / Parallel Slave Port write
Pino 10 RE2/CS — PORTE bit 2 / Parallel Slave Port chip select
Pino 11 VDD — Positive supply (1.8V to 5.5V)
Pino 12 VSS — Ground reference
Pino 13 OSC1/CLKI/RA7 — Crystal oscillator input / external clock / PORTA bit 7
Pino 14 OSC2/CLKO/RA6 — Crystal oscillator output / clock output / PORTA bit 6
Pino 15 RC0/SOSCO — PORTC bit 0 / secondary oscillator output (32kHz)
Pino 16 RC1/SOSCI — PORTC bit 1 / secondary oscillator input (32kHz)
Pino 17 RC2/CCP1 — PORTC bit 2 / Capture/Compare/PWM 1
Pino 18 RC3/SCL/SCK — PORTC bit 3 / I2C clock / SPI clock
Pino 19 RC4/SDA/SDI — PORTC bit 4 / I2C data / SPI data in
Pino 20 RC5/SDO — PORTC bit 5 / SPI data out
Pino 21 RC6/TX1/CK1 — PORTC bit 6 / EUSART1 TX / clock
Pino 22 RC7/RX1/DT1 — PORTC bit 7 / EUSART1 RX / data
Pino 23 RD0/PSP0/C1INA — PORTD bit 0 / PSP data 0
Pino 24 RD1/PSP1/C2INA — PORTD bit 1 / PSP data 1
Pino 25 RD2/PSP2 — PORTD bit 2 / PSP data 2
Pino 26 RD3/PSP3 — PORTD bit 3 / PSP data 3
Pino 27 RD4/PSP4/ECCP1/P1A — PORTD bit 4 / PSP data 4 / Enhanced CCP1 / PWM output A
Pino 28 RD5/PSP5/P1B — PORTD bit 5 / PSP data 5 / PWM output B
Pino 29 RD6/PSP6/P1C — PORTD bit 6 / PSP data 6 / PWM output C
Pino 30 RD7/PSP7/P1D — PORTD bit 7 / PSP data 7 / PWM output D
Pino 31 VSS — Ground reference
Pino 32 VDD — Positive supply (1.8V to 5.5V)
Pino 33 RB0/AN12/INT0/FLT0 — PORTB bit 0 / Analog input 12 / External interrupt 0 / PWM fault
Pino 34 RB1/AN10/INT1 — PORTB bit 1 / Analog input 10 / External interrupt 1
Pino 35 RB2/AN8/INT2/CANTX — PORTB bit 2 / Analog input 8 / External interrupt 2 / ECAN TX (K22 family)
Pino 36 RB3/AN9/CANRX — PORTB bit 3 / Analog input 9 / ECAN RX (K22 family)
Pino 37 RB4/AN11 — PORTB bit 4 / Analog input 11
Pino 38 RB5/AN13 — PORTB bit 5 / Analog input 13
Pino 39 RB6/PGC — PORTB bit 6 / In-Circuit Debugger clock
Pino 40 RB7/PGD — PORTB bit 7 / In-Circuit Debugger data
Pino 41 RF0 — PORTF bit 0
Pino 42 RF1 — PORTF bit 1
Pino 43 RF2 — PORTF bit 2
Pino 44 RF3 — PORTF bit 3
Pino 45 RF4 — PORTF bit 4
Pino 46 RF5 — PORTF bit 5
Pino 47 RF6 — PORTF bit 6
Pino 48 RF7 — PORTF bit 7
Pino 49 RG0/ECCP3/P3A — PORTG bit 0 / Enhanced CCP3 / PWM output A
Pino 50 RG1/TX2/CK2 — PORTG bit 1 / EUSART2 TX / clock
Pino 51 RG2/RX2/DT2 — PORTG bit 2 / EUSART2 RX / data
Pino 52 RG3/CCP4 — PORTG bit 3 / Capture/Compare/PWM 4
Pino 53 RG4/CCP5 — PORTG bit 4 / Capture/Compare/PWM 5
Pino 54 RG5 — PORTG bit 5
Pino 55 VSS — Ground reference
Pino 56 VDD — Positive supply (1.8V to 5.5V)
Pino 57 RH0/A16 — PORTH bit 0 / external memory address 16
Pino 58 RH1/A17 — PORTH bit 1 / external memory address 17
Pino 59 RH2/A18 — PORTH bit 2 / external memory address 18
Pino 60 RH3/A19 — PORTH bit 3 / external memory address 19
Pino 61 RH4 — PORTH bit 4
Pino 62 RH5 — PORTH bit 5
Pino 63 RH6 — PORTH bit 6
Pino 64 RH7 — PORTH bit 7

Aplicações típicas

PIC18F65K22T-I/PT é adequado para 7 aplicaçãos: HVAC Climate Controllers, White-Goods Capacitive-Touch UI, Automotive Body and Cluster Modules, Industrial Sensor Hubs and IO-Link, Portable Battery-Powered Instruments, User-Interface and Display Controllers, Motor Control and PWM Drivers.

🏭

HVAC Climate Controllers

Why the PIC18F65K22T-I/PT fits: With 53 I/O pins, dual I2C/SPI, 8 PWM channels, and a 16-channel 12-bit ADC, this MCU can directly interface temperature/humidity sensors, triac-fired fan and valve drivers, character-LCD or TFT displays, and real-time clock ICs without external logic. How it's used: Typically placed as the central controller on a climate-control board, running a multi-channel PID loop at 64MHz (16 MIPS) for fan-coil or compressor control. Performance consideration: At 3.3V supply and 64MHz, the MCU consumes roughly 9 mA active (typical), but nanoWatt XLP idle (<1 uA) allows it to remain in standby between user interactions, making it ideal for energy-rated HVAC products where quiescent power contributes to standby loss budgets.

💡

White-Goods Capacitive-Touch UI

Why the PIC18F65K22T-I/PT fits: The on-chip CTMU provides constant-current capacitive measurement for up to 16 touch buttons or a slider with no external touch controller IC, while nanoWatt XLP enables sealed glass front panels that must run for years on a battery-backed supply. How it's used: A 64-TQFP MCU drives the touch scan, multiplexes an LED indicator array, and controls relay/MOSFET outputs for pumps, valves, or heater elements. Performance consideration: CTMU scans complete in microseconds and combine with sleep modes to keep average current low; at 5V supply the MCU draws about 11 mA active but only nanoamps in deep sleep with RTCC active, making it suitable for always-on touch interfaces in washing machines, dishwashers, and induction cooktops.

🚗

Automotive Body and Cluster Modules

Why the PIC18F65K22T-I/PT fits: The 'K22 family operates across 1.8-5.5V and tolerates automotive battery transients up to 5.5V steady-state; dual EUSART with LIN 2.1 support handles LIN body-bus nodes; the industrial temperature grade (-40C to +85C) covers cabin environments while the VAO suffix offers factory automotive traceability. How it's used: Designed into body-control modules driving lighting, mirrors, wipers, and cluster indicators via MOSFET half-bridges and PWM dimming. Performance consideration: 8 PWM channels can drive LED matrix backlights and motors concurrently; 16 ADC channels read analog switches, thermistors, and battery voltage; the migration path from PIC18F65K22 to PIC18F65K22T-I/PTVAO preserves the PCB design while adding automotive-traceability documentation required by OEM customers.

🏭

Industrial Sensor Hubs and IO-Link

Why the PIC18F65K22T-I/PT fits: 32KB Flash and 2KB SRAM can host a Modbus RTU or IO-Link device stack, the dual UARTs serve as a service interface plus the fieldbus, and 16 ADC channels aggregate multiple 4-20mA sensor inputs. How it's used: Acts as the sensor front-end processor, digitizing analog inputs, performing local linearization, and reporting results over RS-485 or IO-Link. Performance consideration: Industrial sensors require robust ESD and EMI immunity; the PIC18F65K22T-I/PT's 5V-tolerant I/O with Schmitt triggers and its -40C to +85C industrial range allow direct connection to 24V-powered sensor networks when paired with external TVS protection. NanoWatt XLP is not the focus here (mains-powered design) but is useful for the EEPROM-backed event log retention across power-cycle events.

🔋

Portable Battery-Powered Instruments

Why the PIC18F65K22T-I/PT fits: nanoWatt XLP delivers sleep currents below 1 uA with full RAM retention and RTCC running on the 32kHz secondary oscillator, enabling multi-year battery life from a single CR2032 coin cell. How it's used: Serves as the central processor in handheld multimeters, dataloggers, or remote environmental monitors; samples sensors on a periodic wake-up, stores results in EEPROM, and sleeps the rest of the time. Performance consideration: 64MHz burst processing handles on-demand measurement cycles (FFT, statistics) in milliseconds, but the average system current is dominated by sleep; the 1.8-5.5V supply range matches 2xAA alkaline (3V), 2x NiMH (2.4V), and CR123A (3V) primary batteries without a boost converter.

📺

User-Interface and Display Controllers

Why the PIC18F65K22T-I/PT fits: With 53 I/O pins, the MCU can directly drive character LCDs, small TFTs with parallel interface, and keypads, while the PSP parallel slave port offloads graphics data from a host processor. How it's used: Frequently deployed as a graphics co-processor or standalone UI engine in vending machines, kiosks, and home appliances, offloading key-scanning, display refresh, and indicator control from the application processor. Performance consideration: 16 MIPS is sufficient to refresh a 128x64 graphical LCD at 30Hz while servicing a 4x4 key matrix and the SPI/I2C host link; the PSP port enables DMA-style screen updates without CPU overhead, freeing instruction cycles for application logic.

⚡

Motor Control and PWM Drivers

Why the PIC18F65K22T-I/PT fits: 8 PWM channels via 4 CCP and 4 ECCP modules support multi-phase brushless DC, stepper, or brushed-motor commutation at up to 64MHz core speed for fast control loops. How it's used: Acts as the low-level motor controller in small appliances, HVAC damper actuators, and pump controllers, accepting setpoint commands via I2C/SPI and driving gate drivers via PWM outputs with hardware dead-band control. Performance consideration: ECCP modules support complementary outputs with programmable dead-time, eliminating the need for external gate-driver dead-band logic; 10 timers provide input-capture for encoder feedback and tachometer sensing at speeds up to several hundred kHz.

Resumo dos produtos recomendados

MCP9808 I2C temperature sensor for ambient sensing Usado em: HVAC Climate Controllers MCP23017 I2C 16-bit I/O expander for triac drivers Usado em: HVAC Climate Controllers PIC18F46K22T-I/PT Microchip Technology Usado em: HVAC Climate Controllers MCP23S17 SPI 16-bit I/O expander for LED indicators Usado em: White-Goods Capacitive-Touch UI, User-Interface and Display Controllers MCP6L2 Op-amp for sensor signal conditioning Usado em: White-Goods Capacitive-Touch UI PIC18F47K42-I/P Microchip Technology Usado em: White-Goods Capacitive-Touch UI MCP2515 Standalone CAN controller for upgraded cluster designs Usado em: Automotive Body and Cluster Modules ATA663231 LIN transceiver with integrated 3.3V LDO Usado em: Automotive Body and Cluster Modules PIC18F47Q83-I/PT Microchip Technology Usado em: Automotive Body and Cluster Modules MAX14830 Quad UART for multi-protocol service interface Usado em: Industrial Sensor Hubs and IO-Link MCP2551 CAN transceiver for higher-speed industrial networks Usado em: Industrial Sensor Hubs and IO-Link PIC18F46K22-I/PT Microchip Technology Usado em: Industrial Sensor Hubs and IO-Link, Motor Control and PWM Drivers MCP9700 Low-power analog temperature sensor Usado em: Portable Battery-Powered Instruments 25LC256 SPI EEPROM for datalog storage Usado em: Portable Battery-Powered Instruments PIC18F46K22-I/P Microchip Technology Usado em: Portable Battery-Powered Instruments ST7565R Parallel-interface graphical LCD controller Usado em: User-Interface and Display Controllers PIC18F47J53-I/PT Microchip Technology Usado em: User-Interface and Display Controllers MCP8024 3-phase BLDC gate driver companion Usado em: Motor Control and PWM Drivers MCP47FVB22 I2C DAC for analog setpoint output Usado em: Motor Control and PWM Drivers
What is the Flash program memory size of the PIC18F65K22T-I/PT?
The PIC18F65K22T-I/PT integrates 32 KB of Flash program memory organized as 16K x 16 words, paired with 2 KB of SRAM and 1 KB of data EEPROM. According to the Microchip PIC18F87K22 family datasheet, this memory map supports self-programmability via ICSP and a boot block, enabling in-application firmware updates. The 16-bit-wide Flash word matches the PIC18's Harvard architecture, where program and data buses are separate.
Where can I buy PIC18F65K22T-I/PT and is it in stock?
The PIC18F65K22T-I/PT is widely stocked at major authorized distributors including DigiKey, Mouser, and Arrow as of 2026-09-28. The DigiKey listing (DigiKey part number PIC18F65K22T-I/PT-ND, manufacturer part 2720949) typically ships same-day for quantities under 1,000 units, with lead times of 8-12 weeks for higher volumes directly from Microchip factory orders.
What is the price of PIC18F65K22T-I/PT in 1,000-piece quantities?
As of 2026-09-28, the PIC18F65K22T-I/PT lists at approximately $4.86 per unit at qty 1 and falls to about $2.88 per unit at qty 1,000 from major distributors. Pricing reflects tape-and-reel packaging and the industrial temperature grade. Volume quotes for OEM quantities above 5,000 pieces should be requested directly through Microchip's sales channel for the best tier.
What is the lead time for PIC18F65K22T-I/PT?
As of 2026-09-28, distributor stock of PIC18F65K22T-I/PT generally ships within 1-3 business days from DigiKey and Mouser, while factory-direct orders from Microchip carry 8-12 week lead times for full reel quantities. Lead times fluctuate with demand; check Octopart for a real-time cross-distributor stock snapshot before committing a production schedule.
What is the difference between PIC18F65K22T-I/PT and PIC18F65K22-I/PT?
The PIC18F65K22T-I/PT and PIC18F65K22-I/PT are electrically identical, both running 64MHz with 32KB Flash, 2KB SRAM, and 1KB EEPROM in the same 64-TQFP package. The only difference is the 'T' suffix, which denotes tape-and-reel packaging versus the standard tray packing of PIC18F65K22-I/PT. The 'T' version is preferred for SMT assembly lines, while the tray version suits prototyping and low-volume builds.
Is the PIC18F65K22T-I/PT drop-in compatible with PIC18F65K22T-I/PTVAO?
The PIC18F65K22T-I/PT and PIC18F65K22T-I/PTVAO share the same 64-TQFP pinout, the same 32KB Flash / 2KB SRAM / 1KB EEPROM memory map, and identical peripheral set, making the VAO version a drop-in replacement for the standard part. The 'VAO' suffix denotes a factory-tracked automotive variant, so choose VAO when design documentation or customer traceability requires an automotive-grade SKU; otherwise the standard part is functionally equivalent.
When should I choose PIC18F65K22T-I/PT over PIC18F46K22T-I/PT?
Choose the PIC18F65K22T-I/PT when you need more than 36 I/O pins or any of the extra peripherals available only on the 64-pin die, including a second EUSART, second SPI, PSP parallel slave port, and additional ADC channels. The PIC18F46K22T-I/PT (in 44-TQFP) is the better fit for compact boards that don't need those higher-pin-count features and save PCB area. Both parts run the same PIC18 core at 64MHz with the same nanoWatt XLP low-power architecture.
What is the best cross-brand equivalent for the PIC18F65K22T-I/PT?
For engineers seeking cross-brand alternatives to the PIC18F65K22T-I/PT, the Atmel/Microchip ATmega1284P-AU and the NXP LPC1114FN28 are not drop-in due to different packages and architectures, so no true cross-brand drop-in exists in 64-TQFP. The closest functional equivalents within Microchip are the PIC18F65J10-I/PT (3.3V-only, same package) and PIC18F6585-E/PT (5V, 80-pin upgrade path). For new designs, consider migrating within Microchip's PIC18F67K22 family instead of switching architectures.
What is the operating voltage of the PIC18F65K22T-I/PT?
The PIC18F65K22T-I/PT operates from 1.8V to 5.5V, with 2.5V, 3.3V, and 5V being the three most common nominal rails. This wide range allows the device to drop directly onto 2xAA battery stacks (3V nominal), 3.3V logic systems, or legacy 5V industrial designs without level shifters. Below 2.5V, the Flash program/erase operations are guaranteed only with restrictions; check the datasheet DC characteristics table for the exact minimum Vdd per frequency.
Does the PIC18F65K22T-I/PT support capacitive touch sensing?
Yes, the PIC18F65K22T-I/PT integrates Microchip's Charge Time Measurement Unit (CTMU), which provides a constant-current source and timing measurement to detect capacitance changes on a button or slider. According to the Microchip datasheet, the CTMU enables up to 16 channels of capacitive touch sensing with on-chip hardware, eliminating the need for an external touch controller. Combined with nanoWatt XLP, it is well suited to sealed-keypad white-goods and appliance UI designs.
How fast does the PIC18F65K22T-I/PT execute instructions?
The PIC18F65K22T-I/PT executes instructions at 4 clock cycles per instruction (1 cycle for branches and skips), giving 16 MIPS throughput at the maximum 64MHz Fosc. Most PIC18 instructions complete in a single instruction cycle, which simplifies deterministic timing analysis for motor control and real-time control loops. The PIC18 also supports a 4x PLL on internal or external clock sources for flexible frequency synthesis.
Is the PIC18F65K22T-I/PT RoHS compliant?
Yes, the PIC18F65K22T-I/PT is fully RoHS compliant and supplied in lead-free 64-TQFP packaging suitable for global commercial markets. The Microchip product page lists RoHS, REACH, and conflict-minerals compliance per the latest declarations available as of 2026-09-28. The part is not AEC-Q100 qualified by default; for automotive safety-critical designs, request the VAO suffix variant.
Where can I download the PIC18F65K22T-I/PT datasheet PDF?
The official Microchip datasheet for PIC18F65K22T-I/PT is part of the PIC18F87K22 family datasheet and can be downloaded from https://ww1.microchip.com/downloads/en/DeviceDoc/PIC18F87K22_Family_Data_Sheet_40001412G.pdf. The 64-pin PIC18F65K22 is described in the family datasheet rather than its own document because the K22 sub-family shares silicon across pin-count options. For errata and silicon revision data, consult DS80000521E or the latest revision on Microchip's website.
What is the pinout of the PIC18F65K22T-I/PT?
The PIC18F65K22T-I/PT uses a 64-pin TQFP with Microchip's standard PIC18 64-pin assignment: pin 1 = RE3/MCLR/Vpp, pin 12 = RA0, pin 32 = Vdd, pin 33 = Vss, pin 64 = RA7/OSC1. The full pin map including oscillator, ICSP, and port-IO multiplexed functions is documented in the PIC18F87K22 family datasheet, I/O Port chapter. Designers should consult the package outline for the 10x10 mm TQFP land pattern recommended by Microchip for SMT reflow.
What are the key specifications of the PIC18F65K22T-I/PT engineers should know?
The PIC18F65K22T-I/PT delivers 64MHz / 16 MIPS PIC18 performance with 32KB Flash, 2KB SRAM, 1KB EEPROM, and 53 digital I/O pins in a 64-TQFP package, plus a 12-bit 16-channel ADC, 8 PWM channels via CCP/ECCP, dual I2C and SPI, two EUSARTs with LIN support, and CTMU capacitive touch. According to the Microchip datasheet, nanoWatt XLP technology achieves sleep currents below 1 uA with RTC and interrupt-on-change wake-up, enabling years of battery life on coin cells.

Dados de referência de engenharia para PIC18F65K22T-I/PT — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the PIC18F65K22T-I/PT when you need 32KB Flash, 16 MIPS throughput, nanoWatt XLP low-power, and 53 I/O pins in a 64-TQFP for industrial, consumer, or appliance designs running from 1.8V-5.5V. Pick the PIC18F65K22-I/PT (tray pack) for prototyping where tape-and-reel cost is undesirable. Pick the PIC18F65K22T-E/PT for underhood or -40 C to +125 C industrial oven environments. Pick the PIC18F65K22T-I/PTVAO when your OEM requires factory automotive traceability. If your design only needs 36 I/O pins and saves PCB area, drop down to the PIC18F46K22T-I/PT in 44-TQFP instead. For USB connectivity, consider migrating to the PIC18F65J50T-I/PT which adds USB 2.0 OTG at the cost of 3.3V-only operation and removal of nanoWatt XLP.

Comparação com alternativas

Parâmetro Este produto PIC18F65K22-I/PT PIC18F65K22T-E/PT PIC18F65K22T-I/PTVAO PIC18F65J10-I/PT
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 64-TQFP (PT), 10x10 mm 64-TQFP (PT) - same 64-TQFP (PT) - same 64-TQFP (PT) - same 64-TQFP (PT) - same
Flash Memory 32 KB 32 KB 32 KB 32 KB 32 KB
Max CPU Frequency 64 MHz (16 MIPS) 64 MHz (16 MIPS) 64 MHz (16 MIPS) 64 MHz (16 MIPS) 40 MHz (10 MIPS)
Operating Voltage 1.8 V to 5.5 V 1.8 V to 5.5 V 1.8 V to 5.5 V 1.8 V to 5.5 V 2.0 V to 3.6 V (3.3V only)
Operating Temperature -40 C to +85 C (Industrial) -40 C to +85 C -40 C to +125 C (Extended) -40 C to +85 C + Automotive traceability -40 C to +85 C
Low-Power Technology nanoWatt XLP nanoWatt XLP nanoWatt XLP nanoWatt XLP None (J-series)
Packaging Form Tape & Reel Tray Tape & Reel Tape & Reel Tray

Principais diferenciais

  • Highest MIPS in the PIC18F65K22 family with full nanoWatt XLP and 1.8V-5.5V support (vs PIC18F65J10-I/PT)
  • Drop-in extended temperature range option with same silicon (vs PIC18F65K22T-E/PT)
  • Factory-tracked automotive traceability on the same die (vs PIC18F65K22T-I/PTVAO)

Notas de projeto

Estimated: At 64MHz active from 5V supply, the PIC18F65K22T-I/PT draws roughly 9-11 mA. With nanoWatt XLP, sleep current drops to under 1 uA with RTCC running on the 32kHz secondary oscillator. For battery-powered designs, place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair (the 64-TQFP exposes three pairs on pins 11/12, 31/32, and 55/56) and add a 10 uF bulk capacitor near the IC. Inductive loads on I/O pins require flyback diodes or TVS protection since the absolute maximum ratings per pin are only 25 mA sink/source.

The 64-TQFP package has a theta-JA around 50 C/W on a standard 4-layer JEDEC test board, so continuous 64MHz operation at 5V produces a junction temperature rise of roughly 5-6 C above ambient - well within the industrial -40 C to +85 C operating range. For the extended-temperature E-suffix variant at +125 C ambient, ensure the application still leaves margin under worst-case I/O loading. Place thermal vias under the exposed pad of the TQFP if present (note: 64-TQFP without EP has no thermal pad, only lead-frame dissipation).

Keep the ICSP programming lines (RB6/PGC and RB7/PGD) accessible with a 2x3 0.1-inch header so the device can be re-flashed after board assembly. Place the primary decoupling capacitor within 3 mm of the VDD pin pair; keep the crystal oscillator traces short (under 10 mm) and surround them with a ground pour for EMI suppression. The MCLR/VPP pin requires a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for proper reset behavior - omitting these is a common cause of brown-out reset malfunctions in noisy industrial environments.

When using the I2C bus at 400 kHz or 1 MHz, place 4.7 kohm (or stronger) pull-up resistors on SCL and SDA lines since the PIC18's I2C pads use open-drain drivers. For SPI at 10 MHz and above, route MOSI/MISO/SCK as matched-length traces and avoid running them parallel to high-current switching nodes for more than a few millimeters. The EUSART LIN bus requires a separate LIN transceiver IC (such as ATA663231 or MCP2003) because the PIC18 I/O are 5V CMOS and cannot drive the 12V LIN bus directly.

Informações de conformidade

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Sem chumbo
Yes
Sem halogênios
Yes
Minerais de conflito
Compliant

Standard PIC18F65K22T-I/PT is industrial-grade (AEC-Q100 not applicable). For AEC-Q100-tracked automotive builds, choose PIC18F65K22T-I/PTVAO suffix variant.

Dados verificados em: 2026-09-28 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

PIC18F65K22T-I/PT PIC18F65K22T-I/PT datasheet Microchip PIC18F65K22 64-TQFP 32KB Flash 64MHz PIC18 microcontroller 64-pin TQFP 8-bit MCU with nanoWatt XLP PIC18F65K22 capacitive touch CTMU PIC18F65K22T-I/PT vs PIC18F65J10-I/PT buy PIC18F65K22T-I/PT tape reel PIC18F65K22T-I/PT price 1000 PIC18F65K22T-I/PT automotive VAO drop-in replacement PIC18F65K22T-I/PT PIC18F65K22T-I/PT HVAC controller PIC18F65K22T-I/PT lead time stock

Componentes & termos relacionados

Microchip Technology PIC18F65K22 PIC18F65K22T-I/PT PIC18F65K22-I/PT PIC18F65K22T-E/PT PIC18F65J10-I/PT PIC18F65J50T-I/PT PIC18 8-bit microcontroller MCU RISC Harvard architecture Flash memory EEPROM nanoWatt XLP TQFP-64 RoHS REACH AEC-Q100 LIN bus I2C SPI EUSART CTMU capacitive touch sensing PWM CCP/ECCP PIC18F87K22 family datasheet
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