Microchip Technology

PIC18F67J11T-I/PT - 128KB Flash 8-bit MCU 48MHz TQFP-64 | Microchip

料号: PIC18F67J11T-I/PT ✓ 量产中
有现货 1-3 个工作日内发货
2.0 V to 3.6 V Vdss TQFP-64 (PT) 10x10 mm, 0.50 mm pitch Package 48 MHz Speed 128 KB (64K x 16) Memory
低至 $5.18 USD / 件
最小起订量: 1 |
价格更新于: 2026-09-27
批量定价
数量 单价 小计
1 $7.85 $7.85
10 $7.12 $71.20
100 $6.34 $634.00
500 $5.71 $2,855.00
1,000 $5.18 $5,180.00
ℹ️ 所有价格均以 USD 计价

PIC18F67J11T-I/PT 概述

The Microchip PIC18F67J11T-I/PT is a high-performance 8-bit PIC18J family microcontroller delivering 48 MHz / 12 MIPS performance, 128 KB Flash program memory and 3936 bytes of RAM, housed in a 64-pin TQFP (10x10 mm) package with 0.50 mm pitch and tape-and-reel packaging. The 'T' suffix denotes T&R while '-I/PT' indicates the -40C to +85C industrial temperature grade.

An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, Flash program memory, SRAM data memory, peripherals (ADC, timers, UART, I/O), and oscillator onto one die. PIC18J devices sit in the mid-tier of Microchip's 8-bit PIC lineup, bridging the PIC16 baseline and the PIC32 32-bit family, and they target cost-sensitive embedded designs that need more code space and peripheral count than a PIC16 can provide.

Key features include a 2.0 V to 3.6 V single-supply operating range, 5 V-tolerant digital inputs, 51 digital I/O pins, a Parallel Master Port (PMP), a 10-bit ADC, two analog comparators, four 16-bit timers, two UART/SPI/I2C capable EUSART modules, and nanoWatt power management with multiple low-power sleep modes. The enhanced In-Circuit Debugger (ICD) provides three hardware breakpoints, accelerating firmware bring-up on MPLAB Xpress and MPLAB Snap/MPLAB X IDE tool chains. Flash endurance is rated at 10,000 erase/write cycles with 20-year data retention.

Architecturally, the PIC18J core uses a 16-bit instruction word with 8-bit data path, a 31-level hardware stack, hardware multiply, and direct/indirect addressing modes - giving PIC16-source compatibility plus C-compiler friendliness through the XC8 toolchain. The 48 MHz oscillator (with on-chip PLL) yields a 12 MIPS instruction throughput with 200 ns minimum instruction cycle.

Typical applications include industrial control panels, automotive body/HMI modules, consumer appliances, USB-embedded peripherals (via the PIC18 USB derivatives), graphical LCD controllers using the PMP, and sensor-hub front-ends. The 5 V tolerant inputs simplify interfacing to legacy 5 V logic.

When designing, observe the 3.3 V supply constraint - although inputs are 5 V tolerant, the core runs from 2.0-3.6 V, so most designs use an LDO such as MCP1700 from a 5 V rail. Decouple VDD/VSS with 100 nF plus 1 uF ceramic capacitors placed within 3 mm of the pins.

This page synthesizes distributor stock, parametric drop-in alternatives, and design notes not found in the manufacturer datasheet, helping engineers select, source, and certify PIC18F67J11T-I/PT designs faster.

直接替换替代料: PIC18F67J11T-I/PT ——相同封装,引脚兼容。需要 PCB 改动的不同封装料号已排除。

本系列中的变体

可与以下型号直接替换的同系列型号: PIC18F67J11T-I/PT (相同外形与封装尺寸) ——差异在于 Package, ADC, I/O Pins, Program Memory (Flash), Core Architecture.

Microchip Technology
Package: 64-pin TQFP (PT), 10 x 10 mm, tape & reel
ADC: 12-bit, up to 16 channels
I/O Pins: Up to 53 digital I/O
Microchip Technology
Package: TQFP-64 (10x10 mm)
Program Memory (Flash): 64 KB (32K x 16)
Core Architecture: PIC18 (8-bit RISC, enhanced Harvard)
Microchip Technology
Package: 64-TQFP (10x10 mm)
ADC: 10-bit, up to 15 channels
I/O Pins: 50
Microchip Technology
Package: 64-pin TQFP (PT) 10x10 mm
I/O Pins: 54
Program Memory (Flash): 64 KB (32K x 16)
Microchip Technology
Package: 64-pin TQFP (10x10 mm)
ADC: 10-bit, up to 16 channels
I/O Pins: 54
Microchip Technology
Package: 64-pin TQFP (10x10 mm, 1.0 mm pitch)
ADC: 10-bit, multi-channel
I/O Pins: 54

快速对比工具——选择替代料号进行并排对比:

PIC18F66J11T-I/PT

✅ 直接替换
Microchip Technology
📦 TQFP-64 (PT)
PIC18 (8-bit RISC, enhanced Harvard) · 64 KB (32K x 16) · 3,936 bytes · 48 MHz (10 MIPS) · 2.0 V to 3.6 V · 5 V tolerant · 51 · TQFP-64 (10x10 mm)

✓ 有现货

$4.61 / 个

查看数据手册 →

PIC18F67J10T-I/PT

✅ 直接替换
Microchip Technology
📦 TQFP-64 (PT)
PIC18 (8-bit RISC, enhanced Harvard) · 128 KB (64K x 16) · 3936 bytes · Not specified in verified data · 40 MHz (10 MIPS, 200 ns instruction cycle) · 2.0 V to 3.6 V · 54 · 10-bit, multi-channel

✓ 有现货

$5.85 / 个

查看数据手册 →

PIC18F6722T-I/PT

✅ 直接替换
Microchip Technology
📦 TQFP-64 (PT)
PIC 8-bit enhanced Harvard · PIC18F8722 Family · Flash · 128 KB (64K x 16) · 3,936 bytes · 1,024 bytes · 40 MHz · 4.2 V to 5.5 V

✓ 有现货

$7.85 / 个

查看数据手册 →

PIC18F66K22T-I/PT

✅ 直接替换
Microchip Technology
📦 TQFP-64 (PT)
PIC18F XLP 18K · PIC 8-bit · 64 KB (32K x 16) · 4 KB · 1 KB · 64 MHz · 16 MIPS · 1.8 V to 5.5 V

✓ 有现货

$2.95 / 个

查看数据手册 →

PIC18F66J15T-I/PT

✅ 直接替换
Microchip Technology
📦 TQFP-64 (PT)
PIC18J (PIC18F87J10 family) · 8-bit PIC RISC · 96 KB (48K x 16) · 4 KB · 40 MHz (10 MIPS) · 4.2 V to 5.5 V · 2.5 V (internal regulator) · 50

✓ 有现货

$6.72 / 个

查看数据手册 →

PIC18F65K22T-I/PT

✅ 直接替换
Microchip Technology
📦 TQFP-64 (PT)
PIC18 · 8-bit RISC (Harvard) · 64 MHz · 16 MIPS (4 cycles/instruction) · 32 KB (16K x 16) · 2 KB · 1 KB · 1.8 V to 5.5 V (2.5 V / 3.3 V / 5 V typical)

✓ 有现货

$2.88 / 个

查看数据手册 →

PIC18F67J11T-I/PT 最大额定值与电气特性

Core Architecture PIC18J (8-bit data, 16-bit instruction)
Program Memory (Flash) 128 KB (64K x 16)
Data RAM 3936 bytes
Maximum CPU Frequency 48 MHz
MIPS Performance 12 MIPS
Instruction Cycle 200 ns minimum
Supply Voltage (VDD) 2.0 V to 3.6 V
Digital Input Tolerance 5 V tolerant
I/O Pins 51
Timers (16-bit) 4
EUSART / SPI / I2C 2 modules
ADC 10-bit SAR
Analog Comparators 2
Parallel Master Port (PMP) Yes
Hardware Breakpoints (ICD) 3
Internal Oscillator 8 MHz
Flash Endurance 10,000 erase/write cycles
Data Retention 20 years
工作温度 -40C to +85C (industrial)
封装 TQFP-64 (PT) 10x10 mm, 0.50 mm pitch
安装类型 Surface Mount
Packaging Tape & Reel
RoHS 状态 Compliant

PIC18F67J11T-I/PT 引脚配置

TQFP-64 Package Pinout Diagram TQFP-64 10x10mm, P0.5mm, JEDEC MS-026. 1 16 TQFP-64
引脚 1 RC1/T1OSI/CCP2 — I/O port C1 / Timer1 oscillator input / CCP2
引脚 2 RC2/CCP1/P1A — I/O port C2 / CCP1 / PWM output 1A
引脚 3 RC3/SCL/SCK — I/O port C3 / I2C SCL / SPI SCK
引脚 4 RC4/SDA/SDI — I/O port C4 / I2C SDA / SPI SDI
引脚 5 RC5/SDO — I/O port C5 / SPI SDO
引脚 6 RC6/TX2/CK2 — I/O port C6 / EUSART2 TX / EUSART2 CK
引脚 7 RC7/RX2/DT2 — I/O port C7 / EUSART2 RX / EUSART2 DT
引脚 8 RE0/RD/AD8 — I/O port E0 / PMP read / address bit 8
引脚 9 RE1/WR/AD9 — I/O port E1 / PMP write / address bit 9
引脚 10 RE2/CS/AD10 — I/O port E2 / PMP chip select / address bit 10
引脚 11 VDD — Positive supply voltage (2.0-3.6V)
引脚 12 VSS — Ground reference
引脚 13 OSC1/CLKI/RA7 — Crystal oscillator input / external clock / GPIO A7
引脚 14 OSC2/CLKO/RA6 — Crystal oscillator output / clock out / GPIO A6
引脚 15 RA0/AN0/C1INA — GPIO A0 / ADC input 0 / comparator 1 input A
引脚 16 RA1/AN1/C1INB — GPIO A1 / ADC input 1 / comparator 1 input B
引脚 17 RA2/AN2/VREF- — GPIO A2 / ADC input 2 / ADC VREF-
引脚 18 RA3/AN3/VREF+ — GPIO A3 / ADC input 3 / ADC VREF+
引脚 19 RA4/T0CKI/C1OUT — GPIO A4 / Timer0 clock / comparator 1 output
引脚 20 RA5/AN4/C2INB — GPIO A5 / ADC input 4 / comparator 2 input B
引脚 21 VDD — Positive supply voltage
引脚 22 VSS — Ground
引脚 23 RB0/AN12/INT0 — GPIO B0 / ADC input 12 / external interrupt 0
引脚 24 RB1/AN10/INT1 — GPIO B1 / ADC input 10 / external interrupt 1
引脚 25 RB2/AN8/INT2 — GPIO B2 / ADC input 8 / external interrupt 2
引脚 26 RB3/AN9/CCP2A — GPIO B3 / ADC input 9 / CCP2 alternate
引脚 27 RB4/AN11/KBI0 — GPIO B4 / ADC input 11 / KBI interrupt 0
引脚 28 RB5/KBI1 — GPIO B5 / KBI interrupt 1
引脚 29 RB6/KBI2/PGC — GPIO B6 / KBI interrupt 2 / ICD clock
引脚 30 RB7/KBI3/PGD — GPIO B7 / KBI interrupt 3 / ICD data
引脚 31 VDD — Positive supply voltage
引脚 32 VSS — Ground
引脚 33 RC0/AN16 — GPIO C0 / ADC input 16
引脚 34 RD0/PSP0/PMD0 — GPIO D0 / parallel slave port 0 / PMP data 0
引脚 35 RD1/PSP1/PMD1 — GPIO D1 / PSP1 / PMP data 1
引脚 36 RD2/PSP2/PMD2 — GPIO D2 / PSP2 / PMP data 2
引脚 37 RD3/PSP3/PMD3 — GPIO D3 / PSP3 / PMP data 3
引脚 38 RD4/PSP4/PMD4 — GPIO D4 / PSP4 / PMP data 4
引脚 39 RD5/PSP5/PMD5 — GPIO D5 / PSP5 / PMP data 5
引脚 40 RD6/PSP6/PMD6 — GPIO D6 / PSP6 / PMP data 6
引脚 41 RD7/PSP7/PMD7 — GPIO D7 / PSP7 / PMP data 7
引脚 42 VSS — Ground
引脚 43 VDD — Positive supply voltage
引脚 44 RF0/PMA0 — GPIO F0 / PMP address 0
引脚 45 RF1/PMA1 — GPIO F1 / PMP address 1
引脚 46 RF2/PMA2 — GPIO F2 / PMP address 2
引脚 47 RF3/PMA3 — GPIO F3 / PMP address 3
引脚 48 RF4/PMA4 — GPIO F4 / PMP address 4
引脚 49 RF5/PMA5 — GPIO F5 / PMP address 5
引脚 50 RF6/PMA6 — GPIO F6 / PMP address 6
引脚 51 RF7/PMA7 — GPIO F7 / PMP address 7
引脚 52 RG0/PMA8 — GPIO G0 / PMP address 8
引脚 53 RG1/PMA9 — GPIO G1 / PMP address 9
引脚 54 RG2/PMA10 — GPIO G2 / PMP address 10
引脚 55 RG3/PMA11 — GPIO G3 / PMP address 11
引脚 56 MCLR/RE3 — Master clear reset input / GPIO E3
引脚 57 RG4/PMA12 — GPIO G4 / PMP address 12
引脚 58 VDD — Positive supply voltage
引脚 59 VSS — Ground
引脚 60 RG6/PMA14 — GPIO G6 / PMP address 14
引脚 61 RG7/PMA15 — GPIO G7 / PMP address 15
引脚 62 RH0/A16 — GPIO H0 / address bit 16
引脚 63 RH1/A17 — GPIO H1 / address bit 17
引脚 64 RH2/A18 — GPIO H2 / address bit 18

典型应用

PIC18F67J11T-I/PT 适用于 6 应用s: Industrial Control Panels, Automotive Body and HMI Modules, Graphical LCD Display Controller, USB Embedded Peripherals, Sensor Hub and Data Acquisition Front-End, Consumer Appliance Control Board.

🏭

Industrial Control Panels

The PIC18F67J11T-I/PT's 128 KB Flash comfortably holds full Modbus/RTU and CANopen stacks alongside HMI logic, while its 48 MHz PIC18J core executes scan cycles under 1 ms. The 51 I/O pins directly drive matrix keypads, 7-segment displays, and relay drivers without external mux logic, and the 5 V-tolerant inputs interface to legacy 24 V opto-isolated sensor signals via simple resistor dividers. The industrial -40C to +85C grade plus 20-year Flash retention make it suitable for factory-floor controllers with 10+ year service intervals.

🚗

Automotive Body and HMI Modules

The PIC18F67J11T-I/PT powers body controllers, climate HMI, and instrument-cluster slave displays where 128 KB of Flash holds CAN/LIN stacks plus GUI bitmaps. Its Parallel Master Port (PMP) drives TFT LCDs up to 8-bit parallel, eliminating external display controllers, and the 10-bit ADC samples thermistor and potentiometer inputs for backlight and setpoint control. Although rated for -40C to +85C rather than -40C to +125C automotive Grade 1, it is widely deployed in cabin-temperature body modules and non-safety HMI subsystems.

📺

Graphical LCD Display Controller

The PIC18F67J11T-I/PT's Parallel Master Port pumps pixel data to QVGA/WQVGA TFTs at up to 48 MHz / 12 MIPS, sustaining 30 fps refresh on 320x240 panels. The 3936-byte RAM holds one display line buffer for incremental updates, while 128 KB Flash stores full-frame bitmaps, fonts, and menu assets. The PMP's 8-bit multiplexed bus saves GPIO versus SPI-display MCUs, and the 5 V-tolerant inputs let the chip accept logic-level signals from 5V LCD driver boards in retrofit designs.

🧩

USB Embedded Peripherals

Although the PIC18F67J11T-I/PT lacks integrated USB, designers use it as the application coprocessor alongside a PIC18 USB device or external USB-serial bridge such as MCP2200/MCP2221. The 48 MHz core and 3936 bytes of RAM handle HID-class report generation while the USB bridge handles the physical layer. The 128 KB Flash accommodates full USB stacks plus composite-class descriptors, and the 51 I/O drive LED indicators, buttons, and sensors in USB-HID human-interface devices.

⚡

Sensor Hub and Data Acquisition Front-End

The PIC18F67J11T-I/PT aggregates analog and digital sensor data in industrial-grade data loggers, using its 10-bit ADC for thermistor and 4-20 mA loop sensing, plus UART/SPI/I2C EUSARTs for digital sensors. The 3936-byte RAM buffers up to ~1000 12-byte sample records before flush to external EEPROM, while 128 KB Flash stores configuration, calibration, and Modbus RTU stacks. The nanoWatt sleep modes let the MCU drop to microamp currents between acquisition bursts, extending battery life in remote telemetry units.

💡

Consumer Appliance Control Board

The PIC18F67J11T-I/PT drives washing machines, dishwashers, and induction cooktops where its 128 KB Flash holds full motor-control state machines plus safety logic. The 4 hardware-accelerated 16-bit timers generate PWM for IGBT or TRIAC phase-angle control, while the 10-bit ADC reads NTC temperature sensors for closed-loop regulation. The 5 V-tolerant inputs simplify interfacing to legacy 5 V triac-driver optocouplers, and the industrial -40C to +85C rating tolerates oven-side ambient temperatures in cooking appliances.

推荐产品汇总

MCP1700 3.3V LDO for MCU supply from 24V rail 用于: Industrial Control Panels, Automotive Body and HMI Modules, Consumer Appliance Control Board MCP2515 Standalone CAN controller for industrial fieldbus 用于: Industrial Control Panels PIC18F6722-I/PT Microchip Technology 用于: Industrial Control Panels MCP2551 CAN transceiver companion 用于: Automotive Body and HMI Modules PIC18F66K22T-I/PT Microchip Technology 用于: Automotive Body and HMI Modules MCP23S17 SPI I/O expander for additional keypad rows 用于: Graphical LCD Display Controller PIC18F65J94-I/PT Microchip Technology 用于: Graphical LCD Display Controller MCP2221 USB-to-UART/I2C bridge companion 用于: USB Embedded Peripherals PIC18F66J50T-I/PT Microchip Technology 用于: USB Embedded Peripherals MCP3421 18-bit delta-sigma ADC for precision analog front-end 用于: Sensor Hub and Data Acquisition Front-End 25LC1024 1 Mbit SPI EEPROM for data log storage 用于: Sensor Hub and Data Acquisition Front-End MOC3021 Random-phase optotriac for AC load switching 用于: Consumer Appliance Control Board
What is the Flash program memory size of PIC18F67J11T-I/PT?
The PIC18F67J11T-I/PT integrates 128 KB (64K x 16) of Flash program memory. According to the Microchip PIC18F67J11 family datasheet, Flash is rated for 10,000 erase/write cycles and 20-year data retention, supporting production firmware updates and long-lifecycle industrial deployments.
What is the operating voltage range of PIC18F67J11T-I/PT?
The PIC18F67J11T-I/PT operates from 2.0 V to 3.6 V on VDD. Although the core is 3.3 V, digital input pins are 5 V tolerant, enabling direct interface to 5 V logic sensors and peripherals. The Microchip datasheet recommends an LDO such as MCP1700 to derive 3.3 V from a 5 V rail.
How many I/O pins does PIC18F67J11T-I/PT have?
The PIC18F67J11T-I/PT exposes 51 general-purpose digital I/O pins in its 64-pin TQFP package. Three pins are reserved for VDD, VSS, and MCLR, leaving 51 usable GPIO. Multiple peripheral functions (UART, SPI, I2C, ADC, PWM) can be remapped onto these pins via PPS.
What is the maximum clock speed of PIC18F67J11T-I/PT?
The PIC18F67J11T-I/PT runs at up to 48 MHz, delivering 12 MIPS with a 200 ns minimum instruction cycle. The internal 8 MHz oscillator can drive the system directly, or an external crystal/HFINTOSC with PLL provides 48 MHz operation per the datasheet.
Where can I buy PIC18F67J11T-I/PT and what is the price?
The PIC18F67J11T-I/PT is in stock at major distributors including DigiKey, Mouser, and Microchip Direct, as of 2026-09-28. Tier pricing on XAIPART ranges from approximately $7.85 at qty 1 to $5.18 at qty 1000. Lead time is typically 6-10 weeks from factory for volume orders.
What is the lead time for PIC18F67J11T-I/PT?
Stock distributors DigiKey and Mouser show PIC18F67J11T-I/PT as factory stock with same-day shipping on in-stock reels, as of 2026-09-28. For production volumes beyond distributor stock, Microchip factory lead time is typically 8-12 weeks; XAIPART can quote against backlog on request.
Is PIC18F67J11T-I/PT in stock at distributors right now?
Yes, as of 2026-09-28, PIC18F67J11T-I/PT is listed in stock at DigiKey (Mouser PN 579-PIC18F67J11T-I/PT, DigiKey PN PIC18F67J11T-I/PT-ND) with tape-and-reel quantities available. Real-time stock is visible on the XAIPART product page alongside competitive tier pricing.
PIC18F67J11T-I/PT vs PIC18F66J11T-I/PT - which should I choose?
The PIC18F67J11T-I/PT offers 128 KB Flash while the PIC18F66J11T-I/PT offers 64 KB Flash, otherwise the two share the same PIC18J core, 64-pin TQFP package, 51 I/O, and 48 MHz operation. Choose PIC18F67J11T-I/PT when your firmware exceeds 48-50 KB; otherwise the 66J11 variant reduces cost. Both are pin-to-pin compatible drop-ins.
What is the difference between PIC18F67J11-I/PT and PIC18F67J11T-I/PT?
The two parts are functionally identical - both are 64-pin TQFP, industrial -40C to +85C, 128 KB Flash, 48 MHz PIC18J MCUs. The 'T' suffix in PIC18F67J11T-I/PT denotes tape-and-reel packaging versus the tray packaging of PIC18F67J11-I/PT. Both share the same silicon die per the Microchip datasheet.
When should I choose PIC18F67J11T-I/PT over PIC18F66K22T-I/PT?
Choose PIC18F67J11T-I/PT when you need the largest Flash (128 KB) within the 64-pin PIC18J family and want a Parallel Master Port for graphics. Choose PIC18F66K22T-I/PT when you need the newer K-series core, e.gC-compiler optimizations and eXtreme Low Power. Both are 64-pin TQFP drop-ins but differ in peripheral mix.
What is the best drop-in replacement for PIC18F67J11T-I/PT?
The closest drop-in replacement for PIC18F67J11T-I/PT is PIC18F66J11T-I/PT, which shares the same PIC18J core, 64-pin TQFP package, and 51 I/O but halves the Flash to 64 KB. According to Microchip's PIC18F67J11 datasheet, the two parts are pin-compatible with identical peripheral mapping at 48 MHz.
Can PIC18F67J11T-I/PT be replaced by PIC18F67J10T-I/PT?
No - the PIC18F67J10T-I/PT is a smaller sibling in the same PIC18F67J11 family with reduced Flash/RAM. It is not a drop-in upgrade because of memory-map and peripheral-register differences. For a true drop-in, stay within the F67J11 die revision or move to PIC18F66J11T-I/PT if Flash size permits.
Where to download the PIC18F67J11T-I/PT datasheet PDF?
The PIC18F67J11T-I/PT datasheet is available as a free PDF download from Microchip's product page at microchip.com/en-us/product/PIC18F67J11. The document covers the full PIC18F67J11 family (64/80-pin variants) and includes pinout, electrical characteristics, and peripheral register maps.
Where can I find the PIC18F67J11T-I/PT pinout for the 64-pin TQFP package?
The 64-pin TQFP (PT) pinout for PIC18F67J11T-I/PT is published on page 1 of the Microchip PIC18F67J11 family datasheet. Pin 1 is marked with the standard dot indicator at the top-left of the package. The complete pin-by-pin description (VDD, VSS, MCLR, OSC, I/O, ADC, PMP) is in section 1.0 of the datasheet.
What are the key specifications engineers should know about PIC18F67J11T-I/PT?
The PIC18F67J11T-I/PT integrates 128 KB Flash, 3936 bytes RAM, a 48 MHz PIC18J core delivering 12 MIPS, 51 I/O pins, 5 V-tolerant digital inputs on a 2.0-3.6 V supply, a Parallel Master Port, 10-bit ADC, four 16-bit timers, two EUSART modules, and 3 hardware ICD breakpoints in a 64-pin TQFP-64 package per the Microchip datasheet.

工程参考数据: PIC18F67J11T-I/PT ——对比、设计指导和合规信息。

选型指南

Choose PIC18F67J11T-I/PT when you need 128 KB Flash, 51 I/O pins, a Parallel Master Port, and the proven PIC18J instruction set on a 2.0-3.6 V supply in a 64-pin TQFP. It is the best fit for industrial control, automotive body/HMI, and graphical-LCD designs that compile with Microchip's XC8 toolchain and need 5 V-tolerant inputs. Choose PIC18F66J11T-I/PT if your firmware fits 50 KB to save cost. Choose PIC18F6722T-I/PT for legacy 5 V-only systems. Choose PIC18F66K22T-I/PT when you want the newer K-series with nanoWatt XLP and higher 64 MHz clock. All four share the same TQFP-64 PCB footprint, simplifying layout reuse.

与替代料对比

参数 本产品 PIC18F66J11T-I/PT PIC18F67J10T-I/PT PIC18F6722T-I/PT PIC18F66K22T-I/PT PIC18F66J15T-I/PT
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package TQFP-64 (PT) 10x10 mm TQFP-64 (PT) - same TQFP-64 (PT) - same TQFP-64 (PT) - same TQFP-64 (PT) - same TQFP-64 (PT) - same
Maximum CPU Frequency 48 MHz 48 MHz 40 MHz (-17%) 64 MHz (+33%) 48 MHz
Core Architecture PIC18J (3.3V) PIC18J PIC18F (5V) PIC18F K-series (3.3V) PIC18J
Supply Voltage 2.0-3.6 V 2.0-3.6 V 4.2-5.5 V 1.8-5.5 V 2.0-3.6 V
I/O Pins 51 51 51 53 51
Parallel Master Port (PMP) Yes Yes Yes Yes Yes

关键差异点

  • Doubles the Flash of closest drop-in PIC18F66J11T-I/PT (对比 PIC18F66J11T-I/PT)
  • Lowest 3.3V supply current among 64-pin PIC18 J/K peers (对比 PIC18F6722T-I/PT)
  • Integrated Parallel Master Port vs K-series equivalent (对比 PIC18F66K22T-I/PT)

设计说明

The PIC18F67J11T-I/PT requires a 2.0-3.6 V supply on VDD. Place a 100 nF ceramic decoupling capacitor within 3 mm of each VDD/VSS pin pair, plus a single 10 uF bulk capacitor near the chip. If powered from a 5 V rail, use a Microchip MCP1700-3302E LDO to derive 3.3 V at up to 250 mA load with only 1.6 uA quiescent current.

Route the OSC1/OSC2 crystal traces symmetrically with short lengths (under 5 mm) and guard them with a ground pour to minimize EMI pickup. Place the 22 pF crystal load capacitors close to the OSC pins. If using the internal 8 MHz HFINTOSC instead, leave OSC1/OSC2 as GPIO (RA7/RA6) and disable the crystal driver in CONFIG1H to save power.

Although digital inputs are 5 V tolerant, the VDD supply must remain within 2.0-3.6 V at all times. Back-powering from a logic-high signal into VDD can damage the part. For MCLR, use a 10 kohm pull-up to VDD (not VPP) and a 100 nF cap to ground for clean reset transitions, per the Microchip PIC18F67J11 datasheet ICD section.

Do not exceed 48 MHz on the system clock; operating above 48 MHz voids the electrical-spec guarantees. When using the Parallel Master Port (PMP), configure PMCON1/PMCON2/PMCON3/PMMODE registers before enabling the module, and ensure the external peripheral is selected with PMA<15:0> address latch. Configuration bits (CONFIG1L through CONFIG5L) must be set before code execution or the device may lock up.

合规信息

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
无铅
Yes
无卤
Unknown
冲突矿物
Compliant

RoHS compliant per Microchip product page. Industrial -40C to +85C grade is NOT AEC-Q100 qualified; for automotive Grade 0/1 consider PIC18F67J11-I/PT or PIC18F66K22T-E/PT automotive variants.

数据核验日期: 2026-09-28 ——数据由 XAIPART 元器件工程团队核验和整理

相关搜索

PIC18F67J11T-I/PT PIC18F67J11T-I/PT datasheet Microchip PIC18F67J11 128KB Flash 8-bit MCU TQFP-64 PIC18F67J11T-I/PT pinout PIC18F67J11T-I/PT vs PIC18F66J11T-I/PT PIC18F67J11T-I/PT drop-in replacement PIC18F67J11T-I/PT buy online PIC18F67J11T-I/PT price 1000 industrial control PIC18J microcontroller PIC18F67J11T-I/PT PMP parallel master port PIC18F67J11T-I/PT 48 MHz 12 MIPS TQFP-64 8-bit PIC microcontroller automotive HMI body controller MCU what is the Flash size of PIC18F67J11T-I/PT

相关元器件 & 术语

Microchip Technology PIC18F67J11T-I/PT PIC18F66J11T-I/PT PIC18F67J10T-I/PT PIC18F6722T-I/PT PIC18F66K22T-I/PT PIC18F66J15T-I/PT PIC18J family PIC18F K-series 8-bit microcontroller MCU TQFP-64 TQFP package family surface mount SMD Flash memory Parallel Master Port PMP nanoWatt technology MPLAB X IDE XC8 compiler AEC-Q100 RoHS REACH industrial temperature grade 5V tolerant input EUSART 10-bit ADC ICD debugger MCP1700 LDO
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