PIC18F6527T-I/PT - 48KB Flash 8-bit MCU 40MHz TQFP-64 | Microchip
MPN: PIC18F6527T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $13.2 | $13.20 |
| 10 | $12.18 | $121.80 |
| 100 | $10.85 | $1,085.00 |
| 500 | $9.62 | $4,810.00 |
| 1,000 | $8.75 | $8,750.00 |
PIC18F6527T-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and a rich set of programmable peripherals such as timers, communication interfaces, and analog blocks. PIC18F-series microcontrollers extend Microchip's 8-bit PIC architecture into higher-pin-count, higher-memory applications, sitting hierarchically between baseline PIC10/12/16 parts and the 16-bit dsPIC/PIC24 line. They execute one instruction per clock cycle (4-clock-per-instruction pipeline on this family), giving 200ns instruction time at full speed.
Key features of the PIC18F6527 include 48KB (24K x 16) flash program memory, 3936 bytes of data RAM, 1024 bytes of EEPROM, and 70 I/O lines across the 64-pin TQFP package. The device supports a 4.2V to 5.5V supply voltage, integrates nanoWatt power management for sleep currents in the microamp range, and includes dual I2C/SPI and dual USART (LIN-capable) interfaces. The integrated 10-bit ADC (with up to 16 channels in the 64-pin package) and enhanced PWM/ECCP modules make it suitable for mixed-signal embedded control.
Architecturally, the part uses a 16-bit modified Harvard instruction word with 8-bit data path, an 8-level hardware stack, and a configurable instruction set extension for C-friendly code generation. Its flash memory supports self-programming, ICSP (In-Circuit Serial Programming), and ICD (In-Circuit Debugging), enabling field firmware updates and rapid prototyping with MPLAB tools. The 'T' suffix indicates tape-and-reel packaging for high-volume assembly, while 'I' denotes the industrial -40C to +85C operating temperature range.
Typical applications include industrial automation controllers, automotive body and LIN-node electronics, building automation panels, large-scale sensor hubs, and white-goods user-interface boards where high I/O count and multiple serial ports are essential.
Designers should consult the PIC18F8722 family datasheet for shared peripheral details, errata sheets for silicon revisions, and MPLAB X IDE configuration bits to set oscillator, watchdog, and low-voltage programming options correctly on first prototype builds.
This page consolidates Microchip product-page specifications, distributor pricing, drop-in same-family alternatives, and practical design notes not available in any single manufacturer resource.
Drop-in alternatives for PIC18F6527T-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 PIC18F6527T-I/PT (same form factor and footprint) — differing in Package, ADC, Core Architecture, Serial Interfaces, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F6527-I/PT
✅ Drop-In✓ In Stock
$5.62 / Unit
View Datasheet →PIC18LF6527T-I/PT
✅ Drop-In✓ In Stock
$6.1 / Unit
View Datasheet →PIC18F6627T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.42 / Unit
View Datasheet →PIC18F6722T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.85 / Unit
View Datasheet →PIC18F6527T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC18 (8-bit) |
| Instruction Set | 16-bit modified Harvard |
| Program Memory (Flash) | 48 KB (24K x 16) |
| Data RAM | 3936 bytes |
| Data EEPROM | 1024 bytes |
| Maximum Clock Speed | 40 MHz |
| Instruction Cycle Time | 200 ns (at 40 MHz) |
| Operating Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 70 (in TQFP-64 package) |
| ADC | 10-bit, up to 16 channels (per family datasheet) |
| Timers | Multiple 8-bit and 16-bit timers |
| Serial Interfaces | 2x I2C, 2x SPI, 2x USART (LIN-capable) |
| Package | TQFP-64 (10 x 10 x 1 mm), MS-026 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial, 'I' suffix) |
| Packaging Form | Tape & Reel ('T' suffix) |
| Power-Saving Modes | nanoWatt (sleep, idle, RC-oscillator run) |
| Programming/Debug | ICSP and ICD via MPLAB tools |
| RoHS Status | Compliant |
PIC18F6527T-I/PT Pin Configuration
| Pin 1 | RC0/T1OSO/T1CKI — I/O port C bit 0 / Timer1 oscillator output / Timer1 clock input |
| Pin 2 | RC1/T1OSI/CCP2 — I/O port C bit 1 / Timer1 oscillator input / CCP2 output |
| Pin 3 | RC2/CCP1 — I/O port C bit 2 / CCP1 output |
| Pin 4 | RC3/SCK1/SCL1 — I/O port C bit 3 / MSSP1 SPI clock / I2C1 clock |
| Pin 5 | RC4/SDI1/SDA1 — I/O port C bit 4 / MSSP1 SPI data in / I2C1 data |
| Pin 6 | RC5/SDO1 — I/O port C bit 5 / MSSP1 SPI data out |
| Pin 7 | RC6/TX1/CK1 — I/O port C bit 6 / USART1 transmit / USART1 clock |
| Pin 8 | RC7/RX1/DT1 — I/O port C bit 7 / USART1 receive / USART1 data |
| Pin 9 | RE0/RD/AD8 — I/O port E bit 0 / parallel-port read strobe / address bit 8 |
| Pin 10 | RE1/WR/AD9 — I/O port E bit 1 / parallel-port write strobe / address bit 9 |
| Pin 11 | RE2/CS/AD10 — I/O port E bit 2 / parallel-port chip select / address bit 10 |
| Pin 12 | VDD — Positive supply (4.2V to 5.5V) |
| Pin 13 | VSS — Ground reference |
| Pin 14 | RB0/INT0/FLT0 — I/O port B bit 0 / external interrupt 0 / PWM fault input |
| Pin 15 | RB1/INT1 — I/O port B bit 1 / external interrupt 1 |
| Pin 16 | RB2/INT2 — I/O port B bit 2 / external interrupt 2 |
| Pin 17 | RB3/INT3/CCP2A — I/O port B bit 3 / external interrupt 3 / CCP2 alternate |
| Pin 18 | RB4/KBI0 — I/O port B bit 4 / keyboard interrupt 0 |
| Pin 19 | RB5/KBI1 — I/O port B bit 5 / keyboard interrupt 1 |
| Pin 20 | RB6/KBI2/PGC — I/O port B bit 6 / keyboard interrupt 2 / ICSP clock |
| Pin 21 | RB7/KBI3/PGD — I/O port B bit 7 / keyboard interrupt 3 / ICSP data |
| Pin 22 | VSS — Ground reference |
| Pin 23 | VDD — Positive supply (4.2V to 5.5V) |
| Pin 24 | RF7/SS2 — I/O port F bit 7 / MSSP2 slave select |
| Pin 25 | RF6/SS1 — I/O port F bit 6 / MSSP1 slave select |
| Pin 26 | RF5 — I/O port F bit 5 |
| Pin 27 | RF4 — I/O port F bit 4 |
| Pin 28 | RF3/AN11 — I/O port F bit 3 / analog input 11 |
| Pin 29 | RF2/AN10/C2OUT — I/O port F bit 2 / analog input 10 / comparator 2 output |
| Pin 30 | RF1/AN9/C1OUT — I/O port F bit 1 / analog input 9 / comparator 1 output |
| Pin 31 | RF0/AN8 — I/O port F bit 0 / analog input 8 |
| Pin 32 | RD7/AD15/PSP7 — I/O port D bit 7 / external memory address 15 / parallel slave port |
| Pin 33 | RD6/AD14/PSP6 — I/O port D bit 6 / external memory address 14 / parallel slave port |
| Pin 34 | RD5/AD13/PSP5 — I/O port D bit 5 / external memory address 13 / parallel slave port |
| Pin 35 | RD4/AD12/PSP4 — I/O port D bit 4 / external memory address 12 / parallel slave port |
| Pin 36 | RD3/AD11/PSP3 — I/O port D bit 3 / external memory address 11 / parallel slave port |
| Pin 37 | RD2/AD10/PSP2 — I/O port D bit 2 / external memory address 10 / parallel slave port |
| Pin 38 | RD1/AD9/PSP1 — I/O port D bit 1 / external memory address 9 / parallel slave port |
| Pin 39 | RD0/AD8/PSP0 — I/O port D bit 0 / external memory address 8 / parallel slave port |
| Pin 40 | AVDD — Analog supply voltage (tie to VDD) |
| Pin 41 | AVSS — Analog ground (tie to VSS) |
| Pin 42 | RA0/AN0 — I/O port A bit 0 / analog input 0 |
| Pin 43 | RA1/AN1 — I/O port A bit 1 / analog input 1 |
| Pin 44 | RA2/AN2/VREF- — I/O port A bit 2 / analog input 2 / ADC reference minus |
| Pin 45 | RA3/AN3/VREF+ — I/O port A bit 3 / analog input 3 / ADC reference plus |
| Pin 46 | RA4/T0CKI/C1OUT — I/O port A bit 4 / Timer0 clock / comparator 1 output |
| Pin 47 | RA5/AN4/SS1/HLVDIN — I/O port A bit 5 / analog input 4 / MSSP1 slave select / HLVD input |
| Pin 48 | RG0/ECCP3 — I/O port G bit 0 / Enhanced CCP3 output |
| Pin 49 | RG1/TX2/CK2 — I/O port G bit 1 / USART2 transmit / USART2 clock |
| Pin 50 | RG2/RX2/DT2 — I/O port G bit 2 / USART2 receive / USART2 data |
| Pin 51 | RG3/CCP4 — I/O port G bit 3 / CCP4 output |
| Pin 52 | RG4/CCP5 — I/O port G bit 4 / CCP5 output |
| Pin 53 | SCK2/SCL2/RG5 — MSSP2 SPI clock / I2C2 clock / port G bit 5 |
| Pin 54 | SDI2/SDA2/RG6 — MSSP2 SPI data in / I2C2 data / port G bit 6 |
| Pin 55 | SDO2/RG7 — MSSP2 SPI data out / port G bit 7 |
| Pin 56 | RH0/A16 — I/O port H bit 0 / external memory address 16 |
| Pin 57 | RH1/A17 — I/O port H bit 1 / external memory address 17 |
| Pin 58 | RH2/A18 — I/O port H bit 2 / external memory address 18 |
| Pin 59 | RH3/A19 — I/O port H bit 3 / external memory address 19 |
| Pin 60 | OSC1/CLKIN/RA7 — Crystal oscillator input / external clock in / port A bit 7 |
| Pin 61 | OSC2/CLKOUT/RA6 — Crystal oscillator output / clock out / port A bit 6 |
| Pin 62 | MCLR — Master clear reset input (active low) |
| Pin 63 | RJ0 — I/O port J bit 0 |
| Pin 64 | RJ1 — I/O port J bit 1 |
Typical Applications
PIC18F6527T-I/PT is suitable for 6 applications: Industrial Automation Controllers, Automotive LIN Bus Body Electronics, Building Automation Panels, White-Goods User Interface Boards, Multi-Sensor Data Acquisition Hubs, Medical Monitoring Accessories.
Industrial Automation Controllers
The PIC18F6527T-I/PT fits industrial automation controllers because its 48KB flash accommodates full Modbus RTU/ASCII state machines plus PID loop libraries, and its dual MSSP (I2C/SPI) and dual USART allow simultaneous connection to HMI displays, RS-485 sensor strings, and I2C IO expanders. With 70 GPIO and the TQFP-64 footprint, the part can drive stepper enable lines and opto-isolated inputs directly. nanoWatt sleep currents below 1uA make it practical for always-on field controllers that spend most of the time in idle, waking on interrupt to poll sensors. Per the Microchip PIC18F8722 family datasheet, the 40 MHz core handles 200ns instruction cycles, so 1 kHz control loops have plenty of margin.
Recommended
Automotive LIN Bus Body Electronics
The PIC18F6527T-I/PT is widely deployed in LIN-connected automotive body modules (mirror controllers, seat controllers, ambient lighting, rain-light sensors) because its enhanced USART modules are LIN-capable and the -40C to +85C industrial range covers cabin electronics. The 48KB flash fits a full LIN 2.x slave stack with diagnostics, while 4KB RAM holds message buffers for multiple LIN frames. Per Microchip's PIC18F8722 family datasheet, the integrated 10-bit ADC supports up to 16 channels, allowing direct connection to thermistors, photodiodes, and Hall sensors without external ADC ICs. nanoWatt sleep below 1uA meets stringent quiescent-current budgets required by automakers.
Recommended
Building Automation Panels
The PIC18F6527T-I/PT suits building automation panels (HVAC zone controllers, lighting keypads, access control I/O boards) where 70 GPIO drive multiple relays, key-matrix scanners, and 7-segment or character LCDs. Dual I2C ports allow one bus to talk to a sensor array while the other handles a real-time clock or EEPROM, and dual SPI supports driving RGB LED drivers or graphical displays. Per the Microchip datasheet, the 40 MHz core plus ECCP (Enhanced Capture/Compare/PWM) modules generate precise triac-firing signals for dimmer circuits and proportional valve control, with 200ns instruction time allowing software PID at sub-10 ms loop periods.
Recommended
White-Goods User Interface Boards
The PIC18F6527T-I/PT powers user-interface boards in washing machines, dishwashers, and ovens, where 70 GPIO drive 7-segment displays, capacitive-touch sensing via the CTMU, multiple rotary encoders, and buzzer PWM. The 48KB flash holds capacitive-touch firmware plus IEC 60730 safety class-B self-test routines required for household appliance certification. Per Microchip's PIC18F8722 family datasheet, the 4KB RAM supports display buffers and fault-log history without external memory. The -40C to +85C industrial range survives the oven-door and dryer thermal environments, and nanoWatt sleep keeps standby power under 0.5W to meet EU eco-design directives.
Recommended
Multi-Sensor Data Acquisition Hubs
The PIC18F6527T-I/PT is well-matched to multi-sensor hub designs that aggregate thermocouples, RTDs, 4-20 mA loops, and digital flow meters into a Modbus or Ethernet gateway. The integrated 10-bit ADC with up to 16 channels handles analog sensors directly, while dual USARTs bridge to RS-485 Modbus and a debug console simultaneously. Per the Microchip datasheet, the 3936-byte RAM holds circular buffers for log-and-forward over 8-hour windows at 1-Hz sampling on 8 channels. The dual MSSP block can drive a high-speed SPI ADC or FRAM for extended logging beyond the internal 1KB EEPROM.
Recommended
Medical Monitoring Accessories
The PIC18F6527T-I/PT supports medical device accessories such as patient-bedside controllers, infusion-pump user interfaces, and portable pulse-oximeter docking stations where multiple serial channels connect to sensors and a host processor. Its 70 GPIO drive TFT backlights, keypads, and audio buzzers; the dual USARTs simultaneously link to a Bluetooth module and a wired host. Per Microchip's PIC18F8722 family datasheet, the 48KB flash accommodates medical protocol stacks (HL7-light or vendor-proprietary), and the -40C to +85C industrial range meets IEC 60601-1 accessory-environment profiles. nanoWatt sleep under 1uA extends battery life on rechargeable devices.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F6527T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F6527-I/PT | PIC18LF6527T-I/PT | PIC18F6627T-I/PT | PIC18F6722T-I/PT | PIC18F8527-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10mm) | TQFP-64 (10x10mm) - same | TQFP-64 (10x10mm) - same | TQFP-64 (10x10mm) - same | TQFP-64 (10x10mm) - same | TQFP-80 - different footprint |
| Program Memory (Flash) | 48 KB | 48 KB | 48 KB | 96 KB | 128 KB | 48 KB |
| Data RAM | 3936 bytes | 3936 bytes | 3936 bytes | 4 KB | 3936 bytes | 3936 bytes |
| Operating Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V |
| Maximum Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| I/O Pins | 70 | 70 | 70 | 70 | 70 | 70 |
| Operating Temperature | -40 C to +85 C (industrial) | -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 |
Key Differentiators
- Dual I2C + dual SPI + dual USART (LIN-capable) on a single 64-pin TQFP part (vs PIC18F4520-I/PT (40-pin PIC18 with only 1 I2C + 1 SPI + 1 USART))
- 70 GPIO lines on TQFP-64 package without expanding to TQFP-80 (vs PIC18F8527-I/PT (TQFP-80 with similar RAM/Flash))
- nanoWatt power management with deep sleep below 1uA (vs Older PIC18F458-I/P without nanoWatt extensions)
Design Notes
The PIC18F6527T-I/PT requires a stable 4.2V to 5.5V supply with bulk decoupling of at least 10uF near the VDD pin and a 0.1uF ceramic capacitor within 5mm of each VDD/VSS pair. Per the Microchip PIC18F8722 family datasheet, the nanoWatt feature relies on clean power; noisy rails cause false wake-ups from sleep. Tie AVDD to VDD and AVSS to VSS through ferrite beads if analog inputs share the same rail to reduce ADC switching noise.
Always configure the MCLR pin with a proper pull-up (typically 10kohm) and place a 100nF decoupling capacitor close to the pin to avoid spurious resets in noisy industrial environments. Per Microchip guidance, leaving MCLR floating will cause intermittent brown-out behavior. Also confirm configuration bits for the oscillator (HS vs EC vs RC) match the chosen crystal or external clock, otherwise the device will fail to start at full 40 MHz speed.
Route the ICSP/ICD pins (RB6/PGC and RB7/PGD) away from switching signals and high-current traces to keep programming reliable. The PIC18F6527T-I/PT TQFP-64 has no internal row of GND between analog and digital; place a guard ring around analog inputs (RA0-RA5, RF0-RF3) connected to AVSS to minimize digital-coupling noise into ADC measurements. Reference Microchip AN248 ('Interfacing PIC18 to Sensors') for the recommended analog ground layout.
Compliance Information
RoHS and lead-free confirmed per Microchip product page. Not AEC-Q100 qualified (industrial grade only); use AEC-Q100 parts such as PIC18F46K80 for automotive applications. Halogen-free status not stated in verified data - marked unknown.
