PIC18LF6627-I/PT - 8-Bit 40MHz MCU 96KB Flash 64-TQFP | Microchip
料号： PIC18LF6627-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $13.23 | $13.23 |
| 10 | $11.74 | $117.40 |
| 100 | $10.28 | $1,028.00 |
| 500 | $9.1 | $4,550.00 |
| 1,000 | $8.2 | $8,200.00 |
PIC18LF6627-I/PT 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals into one IC. Within the broader taxonomy, a microcontroller belongs to the integrated circuit family, sits alongside microprocessors, DSPs, and FPGAs, and is the lowest-power member of the programmable-logic hierarchy used for embedded control. The PIC18F sub-family adds hardware multipliers, multiple interrupt priority levels, and C-friendly architecture on top of the original PIC16 baseline.
Key differentiating specifications include 96 KB Flash with self-programmability, 1 KB of EEPROM data memory, 12 channels of 10-bit ADC, up to five 16-bit timers/counters, two enhanced USART modules, two MSSP (SPI/I2C) peripherals, an integrated ECAN controller, dual analog comparators, and nanoWatt XLP sleep currents below 100 nA. The 64-pin TQFP gives engineers enough GPIO and peripheral pin-out for medium-complexity human-interface, sensor-fusion, and CAN-connected designs.
The PIC18LF6627 uses Microchip's enhanced Harvard RISC core with a 16-bit instruction word, hardware multiply, and a 31-level hardware stack. The 'LF' suffix designates the low-voltage F-variant that supports 2.0 V operation, distinguishing it from the standard PIC18F6627 that runs from 4.2 V to 5.5 V. Code developed for the PIC18F6627 is generally portable to the LF version as long as VDD stays inside the LF mask window.
Typical applications include industrial CAN nodes, HVAC and building-automation controllers, automotive body-comfort modules, low-power sensor hubs, USB-to-CAN bridges, and portable instrumentation where extended battery life matters. Engineers frequently select this part for designs that need ECAN, multiple serial interfaces, and analog sensing in a single chip.
When designing with this part, reserve the MCLR pin for an external pull-up and decoupling, provide a bulk + 100 nF pair on VDD/VSS, and follow Microchip's emulator header pinout if in-circuit debug is required. Also ensure your firmware linker script matches the 48K-word Flash boundary to avoid placement errors during build.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to help procurement and firmware engineers evaluate the PIC18LF6627-I/PT for new designs and second-source programs.
直接替换替代料： PIC18LF6627-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： PIC18LF6627-I/PT （相同外形与封装尺寸） ——差异在于 Timers, Package, Program Memory (Flash), I/O Pins, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC18LF6627T-I/PT
✅ 直接替换✓ 有现货
$7.85 / 个
查看数据手册 →PIC18LF6622-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F6627-I/PT
✅ 直接替换✓ 有现货
$5.42 / 个
查看数据手册 →PIC18LF6527-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18LF6622T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.96 / 个
查看数据手册 →PIC18LF6627-I/PT 最大额定值与电气特性
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Family | PIC18F (PIC18 LF series) |
| Program Memory (Flash) | 96 KB (48K x 16 words) |
| Data Memory (RAM) | 4 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Frequency | 40 MHz |
| Operating Voltage (VDD) | 2.0 V to 5.5 V |
| I/O Pins | 70 (max) |
| ADC | 12-channel, 10-bit |
| Timers | 5 (16-bit / 8-bit mix) |
| UART / USART | 2x Enhanced USART |
| SPI | 2x MSSP (SPI / I2C) |
| I2C | 2x MSSP (SPI / I2C) |
| CAN | 1x ECAN (Enhanced CAN) |
| Analog Comparators | 2 |
| 封装 | 64-pin TQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| 工作温度范围 | -40 C to +85 C (Industrial, -I suffix) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC18LF6627-I/PT 引脚配置
| 引脚 1 | RE3/MCLR — Digital input RE3 or Master Clear (reset) |
| 引脚 2 | RA0/AN0 — Digital I/O RA0 or analog input AN0 |
| 引脚 3 | RA1/AN1 — Digital I/O RA1 or analog input AN1 |
| 引脚 4 | RA2/AN2/VREF- — Digital I/O RA2, AN2, or VREF- |
| 引脚 5 | RA3/AN3/VREF+ — Digital I/O RA3, AN3, or VREF+ |
| 引脚 6 | RA4/T0CKI — Digital I/O RA4 or Timer0 clock input |
| 引脚 7 | RA5/AN4 — Digital I/O RA5 or analog input AN4 |
| 引脚 8 | AVDD — Analog supply voltage |
| 引脚 9 | AVSS — Analog ground |
| 引脚 10 | RB0/INT0 — Digital I/O RB0 or external interrupt 0 |
| 引脚 11 | RB1/INT1 — Digital I/O RB1 or external interrupt 1 |
| 引脚 12 | RB2/INT2 — Digital I/O RB2 or external interrupt 2 |
| 引脚 13 | RB3/INT3 — Digital I/O RB3 or external interrupt 3 |
| 引脚 14 | RB4/KBI0 — Digital I/O RB4 or keyboard interrupt 0 |
| 引脚 15 | RB5/KBI1 — Digital I/O RB5 or keyboard interrupt 1 |
| 引脚 16 | RB6/KBI2/PGC — Digital I/O RB6, KBI2, or ICSP clock |
| 引脚 17 | RB7/KBI3/PGD — Digital I/O RB7, KBI3, or ICSP data |
| 引脚 18 | VSS — Digital ground |
| 引脚 19 | VDD — Digital supply voltage |
| 引脚 20 | RC0 — Digital I/O RC0 |
| 引脚 21 | RC1 — Digital I/O RC1 |
| 引脚 22 | RC2 — Digital I/O RC2 |
| 引脚 23 | RC3 — Digital I/O RC3 |
| 引脚 24 | RC4 — Digital I/O RC4 |
| 引脚 25 | RC5 — Digital I/O RC5 |
| 引脚 26 | RC6/TX1 — Digital I/O RC6 or EUSART1 transmit |
| 引脚 27 | RC7/RX1 — Digital I/O RC7 or EUSART1 receive |
| 引脚 28 | RD0 — Digital I/O RD0 |
| 引脚 29 | RD1 — Digital I/O RD1 |
| 引脚 30 | RD2 — Digital I/O RD2 |
| 引脚 31 | RD3 — Digital I/O RD3 |
| 引脚 32 | RD4 — Digital I/O RD4 |
| 引脚 33 | RD5 — Digital I/O RD5 |
| 引脚 34 | RD6 — Digital I/O RD6 |
| 引脚 35 | RD7 — Digital I/O RD7 |
| 引脚 36 | VSS — Digital ground |
| 引脚 37 | VDD — Digital supply voltage |
| 引脚 38 | RE0/RD — Digital I/O RE0 or parallel port read strobe |
| 引脚 39 | RE1/WR — Digital I/O RE1 or parallel port write strobe |
| 引脚 40 | RE2/CS — Digital I/O RE2 or parallel port chip select |
| 引脚 41 | RF0 — Digital I/O RF0 |
| 引脚 42 | RF1 — Digital I/O RF1 |
| 引脚 43 | RF2 — Digital I/O RF2 |
| 引脚 44 | RF3 — Digital I/O RF3 |
| 引脚 45 | RF4 — Digital I/O RF4 |
| 引脚 46 | RF5 — Digital I/O RF5 |
| 引脚 47 | RF6 — Digital I/O RF6 |
| 引脚 48 | RF7 — Digital I/O RF7 |
| 引脚 49 | RG0 — Digital I/O RG0 |
| 引脚 50 | RG1 — Digital I/O RG1 |
| 引脚 51 | RG2 — Digital I/O RG2 |
| 引脚 52 | RG3 — Digital I/O RG3 |
| 引脚 53 | RG4 — Digital I/O RG4 |
| 引脚 54 | MCLR/RE3 — Master Clear / RE3 (alt pin 1) |
| 引脚 55 | VSS — Digital ground |
| 引脚 56 | VDD — Digital supply voltage |
| 引脚 57 | OSC1/CLKIN — Crystal oscillator input / external clock |
| 引脚 58 | OSC2/CLKOUT — Crystal oscillator output |
| 引脚 59 | SOSCO — Secondary oscillator (Timer1) crystal output |
| 引脚 60 | SOSCI — Secondary oscillator (Timer1) crystal input |
| 引脚 61 | NC — Not connected (per datasheet) |
| 引脚 62 | NC — Not connected (per datasheet) |
| 引脚 63 | NC — Not connected (per datasheet) |
| 引脚 64 | NC — Not connected (per datasheet) |
典型应用
PIC18LF6627-I/PT 适用于 6 应用s: Industrial CAN Nodes, HVAC and Building Automation Controllers, Automotive Body Comfort Modules, Low-Power Sensor Hubs, USB-to-CAN Bridge Modules, Portable Instrumentation and Data Loggers.
Industrial CAN Nodes
The PIC18LF6627-I/PT's on-chip Enhanced CAN (ECAN) controller makes it well-suited for industrial CAN bus nodes such as motor controllers, valve actuators, and distributed I/O modules. With 96 KB Flash, 4 KB RAM, and 70 I/O pins, the device can host a complete CANopen or DeviceNet slave stack while still leaving room for application-specific logic. The 2.0-5.5 V supply range allows the part to be powered directly from 24 V industrial buses after regulation, simplifying bill of materials. Pairing it with an external MCP2562 CAN transceiver creates a robust, isolated-capable node with deterministic CAN 2.0B communication at 1 Mbit/s.
推荐
HVAC and Building Automation Controllers
The PIC18LF6627-I/PT fits building automation controllers that need to aggregate temperature, humidity, and air-quality sensors through its 12-channel 10-bit ADC, then communicate over RS-485 or CAN to a central BMS. Its 96 KB Flash can host a complete BACnet MS/TP or Modbus slave stack, while the 4 KB RAM supports real-time scheduling tables. nanoWatt XLP sleep currents below 1 uA in deep sleep enable battery-backed thermostats that run for years on a single CR2032. The dual MSSP peripherals allow simultaneous SPI sensor and I2C RTC connectivity without an external multiplexer.
推荐
Automotive Body Comfort Modules
The PIC18LF6627-I/PT is used in body-comfort automotive subsystems such as seat controllers, mirror adjusters, and lighting modules where moderate Flash and CAN connectivity are required. The integrated ECAN controller connects directly to vehicle body networks, while the 12-bit ADC and dual analog comparators handle window-current sensing and lamp-bulb health monitoring. The industrial -40 C to +85 C temperature rating covers most cabin environments. For under-hood applications, however, designers should migrate to AEC-Q100-qualified PIC18 variants such as the PIC18F46K80-I/PT family to meet automotive reliability targets.
推荐
Low-Power Sensor Hubs
Battery-powered sensor hubs leverage the PIC18LF6627-I/PT's nanoWatt XLP technology and 2.0 V minimum supply to run years on a single AA cell. The 12-channel ADC can read multiple analog sensors simultaneously while the dual MSSP handles SPI environmental sensors and I2C displays. Sleep currents below 100 nA with RAM retention allow wake-on-interrupt from sensor triggers without external RTC chips. The 96 KB Flash stores sensor calibration tables and edge-processing algorithms on-device, reducing wireless traffic and cloud-billing costs.
推荐
USB-to-CAN Bridge Modules
Engineers building USB-to-CAN bridges, automotive diagnostic dongles, or industrial protocol converters benefit from the PIC18LF6627-I/PT's combination of ECAN and dual enhanced USART. The 96 KB Flash can host USB CDC plus CANopen, J1939, or DeviceNet stack layers, while the 4 KB RAM provides buffer headroom for high-throughput packet forwarding. Industrial temperature rating allows the module to operate reliably in enclosure-mounted installations. For lower-cost bridges, the smaller-pin PIC18LF46K80T-I/PT family may be evaluated.
推荐
Portable Instrumentation and Data Loggers
Portable data loggers and field-instrumentation devices use the PIC18LF6627-I/PT because it integrates ADC, multiple serial interfaces, and large Flash in a single chip. The 1 KB EEPROM is ideal for non-volatile configuration storage that survives battery swaps, while the 96 KB Flash supports weeks of buffered measurement data. The industrial temperature range allows operation in outdoor enclosures, and the 2.0 V minimum VDD supports direct lithium primary-cell operation. CTMU-based capacitive touch support enables rugged front-panel buttons without mechanical switches.
推荐
推荐产品汇总
工程参考数据： PIC18LF6627-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC18LF6627T-I/PT | PIC18LF6622-I/PT | PIC18F6627-I/PT | PIC18LF6527-I/PT | PIC18LF6622T-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 96 KB | 96 KB | 64 KB (-33%) | 96 KB | 48 KB (-50%, drop-in floor) | 64 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Maximum CPU Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Operating Voltage (VDD) | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| ADC Channels | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit |
| ECAN | Yes | Yes | Yes | Yes | Yes | Yes |
| Industrial Temperature Grade | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
关键差异点
- Industry-leading low-voltage PIC18F family with ECAN and nanoWatt XLP （对比 PIC18F6627-I/PT)
- 96 KB Flash for full CANopen or DeviceNet stacks plus application code （对比 PIC18LF6622-I/PT)
- 12-channel 10-bit ADC and dual analog comparators on-chip （对比 PIC18LF6527-I/PT)
- 70 I/O pins on the 64-pin TQFP package （对比 PIC18LF55K42-I/PT)
设计说明
Estimated: at 5 V VDD, 40 MHz CPU, full peripheral activity, the PIC18LF6627-I/PT draws approximately 15 mA, giving power dissipation of about 75 mW. The 64-pin TQFP exposes the thermal pad (pin 64 area) for board-level cooling, but at this power level a 4-layer PCB with a ground plane is more than adequate. Designers targeting nanoWatt XLP deep-sleep should configure the part in Sleep mode with peripherals disabled; typical deep-sleep current is below 100 nA per Microchip datasheet. Decouple each VDD/VSS pair with 100 nF X7R placed within 5 mm of the pins.
Place the MCLR pull-up (typically 10 kohm) close to the pin and route the ICSP PGC/PGD traces together without stubs to maintain signal integrity during programming. Keep the crystal traces short and surround them with a ground guard ring to avoid injecting oscillator noise into the analog inputs. Use a 4-layer PCB with a continuous ground plane for designs that rely on the 12-bit ADC performance, and place the AVSS pin directly to the analog ground plane if separating analog and digital grounds.
Do not confuse the LF (2.0-5.5 V) variant with the standard F (4.2-5.5 V) variant when designing at 3.3 V - only LF parts operate reliably across the full 2.0-5.5 V range. When migrating from PIC18F6627 to PIC18LF6627 firmware, verify that the configuration bits for oscillator mode and brown-out voltage remain within the LF datasheet limits. Also confirm the linker script places code within the 48K-word Flash boundary; firmware built for a 64 KB device will not run on this 96 KB part without verification of the linker memmap.
The ECAN controller on the PIC18LF6627-I/PT requires a high-speed CAN transceiver on the bus side such as the MCP2551 or MCP2562. Without a transceiver, the ECAN pins cannot drive the differential bus directly. For systems exposed to ESD or surge events (industrial and automotive), add TVS protection such as the PESD1CAN on the bus lines and common-mode chokes to meet IEC 61000-4-2 transient immunity requirements. Configure the ECAN baud rate and propagation segment timing per the CiA 601 CAN bit-time recommendations for reliable 1 Mbit/s operation.
合规信息
RoHS compliant per Microchip product page. The -I suffix indicates industrial temperature grade (-40 C to +85 C) but is not AEC-Q100 qualified; choose a Q1-suffix variant for automotive applications requiring AEC-Q100. Lead-free packaging confirmed by Microchip documentation.
