PIC18F8627-I/PT - 8-Bit 40MHz 96KB Flash MCU | Microchip
MPN: PIC18F8627-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.58 | $14.58 |
| 10 | $13.25 | $132.50 |
| 100 | $11.42 | $1,142.00 |
| 500 | $10.18 | $5,090.00 |
| 1,000 | $9.05 | $9,050.00 |
PIC18F8627-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), non-volatile data storage (EEPROM), and a rich set of peripherals onto one silicon die. PIC18 microcontrollers belong to the 8-bit reduced instruction set computing (RISC) class; they execute one instruction per clock cycle (4-clock instruction fetch plus 1-cycle execute at 40 MHz) and use a Harvard architecture with separate program and data buses. The PIC18F8627 is the top-of-family "enhanced flash" part, sitting one tier above the PIC18F6627 in flash density and feature set.
Key features of the PIC18F8627-I/PT include nanoWatt power-management technology with multiple idle and sleep modes, a hardware 8x8 multiplier, a 16-bit wide instruction word, ICD/ICSP in-circuit debugging, and industrial temperature grade operation (-40C to +85C). The wide 2.0V to 5.5V Vdd range and low-power sleep modes make it attractive for both line-powered and battery-backed designs. The internal oscillator block provides configurable 8 MHz to 32 MHz operation, reducing external component count.
Architecturally, the PIC18F8627-I/PT uses an enhanced flash memory cell that supports >10k erase/write cycles and >40-year data retention, with self-programmability under firmware control for bootloader-style field updates. The 10-bit ADC delivers up to 16 channels of conversion with a 100K samples/second aggregate rate, and the CTMU (Charge Time Measurement Unit) enables touch sensing and precise time-of-flight measurements.
Typical applications include industrial automation controllers, HVAC and building-management systems, automotive body and instrument-cluster ECUs, embedded CAN-node interfaces, motor-control front-ends, and consumer white-goods main controllers. The combination of CAN + multiple serial ports + abundant I/O positions it well for distributed control networks. Design consideration: at 80 pins the TQFP footprint requires a 4-layer PCB for clean signal routing, and unused I/O must be configured as outputs or pulled to defined states to minimize current draw.
Drop-in alternatives for PIC18F8627-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC18F8627-I/PT (same form factor and footprint) — differing in Package, Timers, Program Memory (Flash), MSL Level, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F8527-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F86K90-I/PT
✅ Drop-In✓ In Stock
$4.32 / Unit
View Datasheet →PIC18F8722-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F6627-I/PT
✅ Drop-In✓ In Stock
$5.42 / Unit
View Datasheet →PIC18F85K22-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F85J94-I/PT
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →PIC18F8585-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F8627-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC18F (8-bit RISC, Harvard) |
| Program Flash | 96 KB (48K x 16 words) |
| Data RAM | 4 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Frequency | 40 MHz (10 MIPS) |
| Instruction Word Width | 16-bit |
| Supply Voltage (Vdd) | 2.0 V to 5.5 V |
| Operating Temperature Range | -40C to +85C (Industrial) |
| I/O Pins | 70 |
| Analog-to-Digital Converter | 10-bit, up to 16 channels |
| Analog Comparators | 2 |
| USART Modules | 2 |
| MSSP (SPI/I2C) Modules | 2 |
| CCP / ECCP Modules | 2 CCP + 1 ECCP |
| CAN Module | 1 (ECAN) |
| CTMU | Yes (Charge Time Measurement Unit) |
| Package | 80-pin TQFP (PT) 12x12 mm |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC18F8627-I/PT Pin Configuration
| Pin 1 | RG0 — PORTG bit 0 / CCP3 / PWM output |
| Pin 2 | RG1 — PORTG bit 1 / C3OUT / TX2 |
| Pin 3 | RG2 — PORTG bit 2 / C3INA / RX2 |
| Pin 4 | RG3 — PORTG bit 3 / CCP4 |
| Pin 5 | RG4 — PORTG bit 4 / CCP5 |
| Pin 6 | MCLR — Master Clear / Reset input (active low) |
| Pin 7 | OSC1 — Oscillator input / external clock |
| Pin 8 | OSC2 — Oscillator output / clock out |
| Pin 9 | RA0 — PORTA bit 0 / AN0 |
| Pin 10 | RA1 — PORTA bit 1 / AN1 |
| Pin 11 | RA2 — PORTA bit 2 / AN2 / VREF- |
| Pin 12 | RA3 — PORTA bit 3 / AN3 / VREF+ |
| Pin 13 | RA4 — PORTA bit 4 / AN4 / TOCKI |
| Pin 14 | RA5 — PORTA bit 5 / AN5 / LVDIN |
| Pin 15 | RE0 — PORTE bit 0 / AN6 / RD |
| Pin 16 | RE1 — PORTE bit 1 / AN7 / WR |
| Pin 17 | RE2 — PORTE bit 2 / AN8 / CS |
| Pin 18 | RE3 — PORTE bit 3 / AN9 / VPP |
| Pin 19 | AVDD — Analog supply voltage |
| Pin 20 | AVSS — Analog ground |
| Pin 21 | VDD — Digital supply voltage |
| Pin 22 | VSS — Digital ground |
| Pin 23 | RB0 — PORTB bit 0 / INT0 / AN12 |
| Pin 24 | RB1 — PORTB bit 1 / INT1 / AN10 |
| Pin 25 | RB2 — PORTB bit 2 / INT2 / AN8 |
| Pin 26 | RB3 — PORTB bit 3 / INT3 / CCP2 |
| Pin 27 | RB4 — PORTB bit 4 / KBI0 |
| Pin 28 | RB5 — PORTB bit 5 / KBI1 / PGM |
| Pin 29 | RB6 — PORTB bit 6 / KBI2 / PGC (ICSP clock) |
| Pin 30 | RB7 — PORTB bit 7 / KBI3 / PGD (ICSP data) |
| Pin 31 | VDD — Digital supply voltage |
| Pin 32 | VSS — Digital ground |
| Pin 33 | RC0 — PORTC bit 0 / T1OSO / T1CKI |
| Pin 34 | RC1 — PORTC bit 1 / T1OSI / CCP2 |
| Pin 35 | RC2 — PORTC bit 2 / CCP1 |
| Pin 36 | RC3 — PORTC bit 3 / SCL1 / SCK1 |
| Pin 37 | RC4 — PORTC bit 4 / SDA1 / SDI1 |
| Pin 38 | RC5 — PORTC bit 5 / SDO1 |
| Pin 39 | RC6 — PORTC bit 6 / TX1 / CK1 |
| Pin 40 | RC7 — PORTC bit 7 / RX1 / DT1 |
| Pin 41 | RD0 — PORTD bit 0 / PSP0 / SDA2 |
| Pin 42 | RD1 — PORTD bit 1 / PSP1 / SCL2 |
| Pin 43 | RD2 — PORTD bit 2 / PSP2 |
| Pin 44 | RD3 — PORTD bit 3 / PSP3 |
| Pin 45 | RD4 — PORTD bit 4 / PSP4 / ECANRX |
| Pin 46 | RD5 — PORTD bit 5 / PSP5 / ECANTX |
| Pin 47 | RD6 — PORTD bit 6 / PSP6 / TX2 |
| Pin 48 | RD7 — PORTD bit 7 / PSP7 / RX2 |
| Pin 49 | VSS — Digital ground |
| Pin 50 | VDD — Digital supply voltage |
| Pin 51 | RF0 — PORTF bit 0 / AN5 |
| Pin 52 | RF1 — PORTF bit 1 / AN6 / C2OUT |
| Pin 53 | RF2 — PORTF bit 2 / AN7 / C1OUT |
| Pin 54 | RF3 — PORTF bit 3 / AN8 |
| Pin 55 | RF4 — PORTF bit 4 / AN9 |
| Pin 56 | RF5 — PORTF bit 5 / AN10 / C2INB |
| Pin 57 | RF6 — PORTF bit 6 / AN11 / C1INB |
| Pin 58 | RF7 — PORTF bit 7 / AN12 / SS1 |
| Pin 59 | AVDD — Analog supply voltage |
| Pin 60 | AVSS — Analog ground |
| Pin 61 | RH0 — PORTH bit 0 / A16 |
| Pin 62 | RH1 — PORTH bit 1 / A17 |
| Pin 63 | RH2 — PORTH bit 2 / A18 |
| Pin 64 | RH3 — PORTH bit 3 / A19 |
| Pin 65 | RH4 — PORTH bit 4 / AN12 |
| Pin 66 | RH5 — PORTH bit 5 / AN13 |
| Pin 67 | RH6 — PORTH bit 6 / AN14 |
| Pin 68 | RH7 — PORTH bit 7 / AN15 |
| Pin 69 | RJ0 — PORTJ bit 0 |
| Pin 70 | RJ1 — PORTJ bit 1 |
| Pin 71 | RJ2 — PORTJ bit 2 |
| Pin 72 | RJ3 — PORTJ bit 3 |
| Pin 74 | RJ4 — PORTJ bit 4 |
| Pin 75 | RJ5 — PORTJ bit 5 |
| Pin 76 | RJ6 — PORTJ bit 6 |
| Pin 77 | RJ7 — PORTJ bit 7 |
| Pin 78 | VSS — Digital ground |
| Pin 79 | VDD — Digital supply voltage |
| Pin 80 | NC — Not connected (no bond) |
Typical Applications
PIC18F8627-I/PT is suitable for 6 applications: Industrial CAN-Bus Node Controller, HVAC and Building Management Controller, Automotive Body Electronics ECU, Color TFT LCD Graphics Controller, Three-Phase Motor Drive Front-End, Medical Device Sensor Aggregator.
Industrial CAN-Bus Node Controller
The PIC18F8627-I/PT is well suited to industrial CAN-bus nodes because of its integrated Enhanced CAN (ECAN) module with 2.0B active support and 8 acceptance filter/mask pairs, combined with 96 KB flash for protocol stacks such as CANopen or DeviceNet. At 5V Vdd and 40 MHz Fosc, the part sustains the standard 1 Mbps CAN bit rate without CPU bottleneck. Engineers typically pair the ECAN TX/RX pins with an MCP2551 or TJA1050 transceiver; the 70 GPIO handle additional digital I/O for sensors and actuator drives.
Recommended
HVAC and Building Management Controller
The 16-channel 10-bit ADC and 4 KB RAM make the PIC18F8627-I/PT a strong fit for HVAC controllers that read multiple temperature, humidity, and pressure sensors while driving triacs for fan and damper actuators. With nanoWatt sleep modes, the MCU drops below 1 uA in deep sleep between sensor scans, extending battery life in wireless thermostats. The 2.0V to 5.5V Vdd range allows operation directly from a 3.3V backup rail during power-loss conditions.
Recommended
Automotive Body Electronics ECU
The PIC18F8627-I/PT integrates the ECAN module and abundant I/O (70 pins) needed for body-control modules that manage lighting, door locks, wipers, and mirror control over a CAN bus. Although the I (industrial) temperature grade suits under-dash mounting, design teams must add external ESD protection (e.g. PESD1CAN) on bus lines. The 10-bit ADC is sufficient for battery voltage monitoring and thermistor-based temperature sensing.
Recommended
Color TFT LCD Graphics Controller
The PIC18F8627-I/PT's 70 GPIO pins and 96 KB flash accommodate a TFT-LCD graphics library with touch handling, suitable for HMI panels up to 320x240 QVGA. The two MSSP peripherals provide SPI master operation to the LCD controller (e.g. ILI9341) and I2C to the capacitive touch controller. CTMU support enables resistive touch screen digitisation without an external ADC.
Recommended
Three-Phase Motor Drive Front-End
The PIC18F8627-I/PT can serve as the supervisory MCU in a three-phase inverter front-end, using its 3 CCP/ECCP modules for PWM generation to MOSFET drivers, and 16 ADC channels for back-EMF and current sensing. The 4 KB RAM supports space-vector modulation lookup tables and field-oriented control state variables. At 40 MHz the part delivers sufficient computational headroom for sensorless FOC on small BLDC motors up to several kW.
Recommended
Medical Device Sensor Aggregator
Although the PIC18F8627-I/PT is not medical-grade certified, its industrial temperature range and reliable flash retention support non-critical medical peripherals such as patient-room environmental sensors, infusion pump user interfaces, and bedside monitoring aggregators. The 16-channel ADC with CTMU accurately digitises resistive bridge sensors (pressure, force) used in hospital equipment. Engineers should add external watchdog (e.g. MCP130T) for fail-safe reset behaviour.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F8627-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F8527-I/PT | PIC18F86K90-I/PT | PIC18F8722-I/PT | PIC18F6627-I/PT | PIC18F85K22-I/PT |
|---|---|---|---|---|---|---|
| Package | 80-pin TQFP (PT) 12x12 mm | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 96 KB | 48 KB | 96 KB | 128 KB | 96 KB | 32 KB |
| Data RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB |
| Maximum CPU Frequency | 40 MHz | 40 MHz | 64 MHz | 40 MHz | 40 MHz | 64 MHz |
| ECAN Module | Yes (ECAN 2.0B) | Yes | Yes | Yes | Yes | Yes |
| Supply Voltage | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V |
| Lifecycle | Active | Active | Active | NRND | Active | Active |
| Power Architecture | nanoWatt | nanoWatt | nanoWatt XLP | nanoWatt | nanoWatt | nanoWatt XLP |
Key Differentiators
- Only Microchip 80-pin TQFP PIC18 with 96 KB flash and active lifecycle in 2026 (vs PIC18F8722-I/PT)
- Integrated ECAN 2.0B module with 8 filter/mask pairs (vs PIC18F8585-I/PT)
- Dual nanoWatt sleep modes with deep-sleep under 1 uA typical (vs PIC18F8527-I/PT)
Design Notes
The 80-pin TQFP (PT) 12x12 mm package has 0.5 mm pitch and benefits from a 4-layer PCB with dedicated ground and power planes to minimize EMI and provide stable Vdd to the high-pin-count die. Decouple each Vdd/Vss pair with a 100 nF ceramic cap placed within 3 mm of the pin pair, plus a single 10 uF bulk tantalum or ceramic at the board-level Vdd entry point. The TQFP thermal pad is not present on this package; rely on copper pours on the top layer connected to Vdd/Vss to dissipate the moderate heat generated at 40 MHz / 5V.
Always configure unused I/O pins as outputs driving low to minimize current consumption in sleep mode - floating inputs can draw 100 uA or more per pin through the CMOS input buffer. Configure the MCLR pin with the recommended 10 kohm pull-up and direct connection to the ICSP connector for in-circuit debugging. Brown-out reset (BOR) should be enabled in the configuration bits to prevent code execution at unsafe Vdd levels during power-up; the PIC18F8627-I/PT supports BOR at 2.0V, 2.7V, 4.2V, or 4.5V thresholds.
For the ECAN module the TX and RX traces to the CAN transceiver must be routed as a differential pair with 120 ohm characteristic impedance and matched lengths within 5 mm; place a 4.7 nF split-termination across the bus as close to the transceiver as possible. The ICSP/ICD pins (PGC/PGD on RB6/RB7) should have series 4.7 kohm resistors to isolate the debugger from the application circuit during production, otherwise debug sessions can disturb sensitive analog measurements on adjacent PORTB pins.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - for automotive safety-critical applications consider PIC18F4585 or dsPIC33EP variants. MSL-3 moisture sensitivity rating per JEDEC J-STD-020.
