PIC18F26K80T-E/SO - 8-bit 64MHz 64KB Flash MCU w/ ECAN | Microchip
MPN: PIC18F26K80T-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.36 | $43.60 |
| 100 | $3.78 | $378.00 |
| 500 | $3.42 | $1,710.00 |
| 1,000 | $3.05 | $3,050.00 |
PIC18F26K80T-E/SO Overview
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 (ADC, timers, communication interfaces) onto one silicon die. Within the broader taxonomy, the PIC18F26K80 sits in the 8-bit MCU class, under the PIC18 family of Microchip's PIC microcontrollers, which itself falls under the embedded microcontroller branch of microcontrollers and finally under the integrated-circuit and semiconductor hierarchies. XLP nanoWatt technology adds a deep-sleep idle current figure that enables battery-powered nodes to live for years on a single cell.
Key features include 64KB (32K x 16) of self-programmable Flash, 3.6KB of SRAM, 1KB of EEPROM, a 12-bit A/D converter with up to 11 channels, and an on-chip CTMU (Charge Time Measurement Unit) for capacitive touch or precise time measurement. The integrated ECAN module (CAN 2.0B active) plus two EUSART, I2C, and SPI ports provide multi-protocol connectivity, making this device a true system-on-chip for networked embedded designs.
The PIC18F26K80 architecture employs an enhanced Harvard bus with separate instruction and data paths, an 8-bit ALU widened by hardware multiply, and a vectored interrupt controller. The CTMU and 12-bit ADC together enable cost-effective touch sensing and precision analog measurement without external components. The "-E" suffix denotes the Extended temperature grade (-40C to +125C) and the "T" suffix indicates Tape & Reel packaging for high-volume assembly.
Typical applications include automotive body and comfort networks (CAN nodes), industrial control and sensor hubs, building automation controllers, HVAC fan/blower drives, elevator control panels, and battery-powered IoT edge nodes where XLP sleep currents extend service life. The combination of ECAN and dual EUSART also makes it attractive for protocol bridges converting CAN to RS-485/232.
Designers should consider the 28-pin SOIC footprint when migrating between PIC18F25K80, PIC18F26K80, and PIC18F46K80 family members, as pin assignments are largely consistent across the 28/40/44/64-pin options. Sufficient decoupling (100nF plus 10uF bulk) at VDD is critical at 64MHz operation; for ECAN applications the bus termination (120 ohm) and common-mode choke selection strongly influence EMC compliance.
This page consolidates distributor pricing, pin-compatible alternatives, parametric comparisons, and application notes not aggregated in the manufacturer datasheet, giving procurement and engineering teams a single decision-ready reference.
Drop-in alternatives for PIC18F26K80T-E/SO — 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 PIC18F26K80T-E/SO (same form factor and footprint) — differing in Package, Core Architecture, Mounting Type, ADC, CTMU.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F26K80T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F26K80-I/SO
✅ Drop-In✓ In Stock
$2.87 / Unit
View Datasheet →PIC18F26K80-E/SO
✅ Drop-In✓ In Stock
$4.25 / Unit
View Datasheet →PIC18F25K80T-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.78 / Unit
View Datasheet →PIC18F26K80T-E/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC18, 8-bit |
| CPU Speed (Max) | 64 MHz |
| MIPS | 16 MIPS |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data SRAM | 3.6 KB |
| Data EEPROM | 1 KB |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (Extended, "-E" grade) |
| A/D Converter | 12-bit, up to 11 channels |
| CTMU | Yes (Charge Time Measurement Unit) |
| ECAN | CAN 2.0B Active |
| EUSART | 2 |
| I2C / SPI | 1 / 1 |
| Package | 28-SOIC (SO, 7.50 mm body) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel ("T" suffix) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC18F26K80T-E/SO Pin Configuration
| Pin 1 | RA5 — Digital I/O / analog input |
| Pin 2 | RA4 — Digital I/O |
| Pin 3 | RA3 — Digital I/O / analog input |
| Pin 4 | RA2 — Digital I/O / analog input |
| Pin 5 | RA1 — Digital I/O / analog input |
| Pin 6 | RA0 — Digital I/O / analog input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | VDD — Positive supply voltage (1.8V to 5.5V) |
| Pin 9 | OSC1 — Crystal/clock input |
| Pin 10 | OSC2 — Crystal/clock output |
| Pin 11 | RC0 — Digital I/O / analog input |
| Pin 12 | RC1 — Digital I/O / analog input |
| Pin 13 | RC2 — Digital I/O / analog input |
| Pin 14 | RC3 — Digital I/O / analog input |
| Pin 15 | RC4 — Digital I/O |
| Pin 16 | RC5 — Digital I/O |
| Pin 17 | RC6 — Digital I/O / EUSART TX |
| Pin 18 | RC7 — Digital I/O / EUSART RX |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RB0 — Digital I/O / INT interrupt |
| Pin 22 | RB1 — Digital I/O |
| Pin 23 | RB2 — Digital I/O |
| Pin 24 | RB3 — Digital I/O |
| Pin 25 | RB4 — Digital I/O |
| Pin 26 | RB5 — Digital I/O |
| Pin 27 | RB6 — Digital I/O / ICS PGC |
| Pin 28 | RB7 — Digital I/O / ICS PGD |
Typical Applications
PIC18F26K80T-E/SO is suitable for 6 applications: Automotive CAN Body-Control Nodes, Industrial Building Automation, Battery-Powered Sensor Hubs and IoT Edge Nodes, Elevator Control Panel MCU, HVAC Fan and Blower Motor Controllers, CAN-to-RS485 Protocol Bridge Gateway.
Automotive CAN Body-Control Nodes
The PIC18F26K80T-E/SO's integrated ECAN controller plus Extended -40C to +125C temperature grade make it a strong fit for automotive body-control modules (door modules, seat controllers, HVAC actuators). At 64MHz the device delivers 16 MIPS, easily handling CAN message scheduling, debounced switch input handling, and PWM-driven body loads simultaneously. The 12-bit ADC with up to 11 channels reads sensor inputs such as thermistors and position pots without external muxes, while the XLP nanoampere sleep current keeps quiescent battery draw under 100uA on parked vehicles. Compared with a 5V-only PIC20, the 1.8V to 5.5V range lets the same firmware run on 3.3V sensor hubs or 5V actuator drivers with no redesign.
Recommended
Industrial Building Automation
Building automation controllers for elevators, HVAC fan/blower drives, and access-control panels benefit from the PIC18F26K80T-E/SO's combination of ECAN, dual EUSART, and 12-bit ADC. The 28-SOIC surface-mount package supports high-density controller PCB layouts where dual EUSART can bridge RS-485 sensor networks to a CAN backbone. The 16 MIPS throughput allows real-time PID loops on BLDC fans and PWM-driven damper actuators with cycle times under 1ms. The 64KB Flash accommodates full Modbus/CANopen protocol stacks plus bootloader, while the 1KB EEPROM stores calibration and configuration without external memory. XLP deep-sleep currents around 20nA allow battery-backed thermostats to survive multi-year deployments on a single CR2032.
Recommended
Battery-Powered Sensor Hubs and IoT Edge Nodes
Wireless sensor hubs running on coin cells or energy-harvesting sources leverage the PIC18F26K80T-E/SO's nanoWatt XLP technology, where deep-sleep current drops to roughly 20nA with RTCC and watchdog enabled. The integrated CTMU and 12-bit ADC together enable capacitive touch sensing and high-resolution analog measurement on a single chip, eliminating external touch ICs and lowering BoM cost. The 28-SOIC footprint simplifies reflow assembly on small sensor PCBs, while the wide 1.8V-5.5V supply tolerates LiSOCl2, Li-ion, and 5V USB power. The 16 MIPS core supports lightweight LoRa/Sigfox drivers alongside sensor fusion without offloading to a wireless co-processor. Compared with bare 8-bit MCUs without XLP, the part can extend battery service life by 5-10x in duty-cycled deployments.
Recommended
Elevator Control Panel MCU
Elevator control panels demand deterministic response, robust EMC immunity, and long product lifecycles - all of which the PIC18F26K80T-E/SO addresses. The integrated ECAN connects to the elevator group's CAN backbone for floor-level signaling, while the dual EUSART can bridge legacy RS-485 to CAN or drive indicator displays. The 12-bit ADC with up to 11 channels reads button and door-switch inputs with hardware debouncing, and the ECCP modules generate PWM for indicator LEDs without external driver ICs. The Extended -40C to +125C grade handles machine-room temperatures, and the 64KB Flash accommodates the full CANopen CiA 417 profile plus bootloader. Compared with discrete 8051 designs, this part reduces PCB area by roughly 40% while adding nanoWatt XLP sleep for power-fail recovery.
Recommended
HVAC Fan and Blower Motor Controllers
Variable-speed HVAC fan and blower controllers benefit from the PIC18F26K80T-E/SO's ECCP PWM modules, 12-bit ADC, and ECAN interface. The device can drive a 3-phase BLDC or brushed DC blower with software-defined commutation while reading back tachometer, current, and temperature via the 12-bit ADC. At 16 MIPS the PID loop runs in under 100us, leaving headroom for CAN communication with the building-management system. The 28-SOIC package supports compact IPM-style PCB layouts, while the Extended temperature grade tolerates attic or rooftop HVAC enclosures. Compared with a discrete 8051 + gate-driver design, this part reduces component count by ~30% while delivering deterministic real-time control and remote diagnostics.
Recommended
CAN-to-RS485 Protocol Bridge Gateway
Industrial gateways bridging legacy RS-485 sensor networks to a CAN backbone are a natural fit for the PIC18F26K80T-E/SO, which integrates both an ECAN controller and two EUSART modules on a single die. The 64KB Flash holds the full Modbus RTU and CANopen protocol stacks plus a bootloader for field updates. The 16 MIPS core converts messages at rates above 1k frames per second without buffer overflow, and the 12-bit ADC monitors bridge supply voltage for diagnostics. The 28-SOIC footprint allows compact DIN-rail gateway enclosures, and the Extended temperature grade supports outdoor cabinet installations. Compared with a two-chip solution (CAN MCU + UART bridge), this single-chip approach saves PCB area and simplifies EMC compliance.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F26K80T-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F26K80T-I/SO | PIC18F26K80-I/SO | PIC18F26K80-E/SO | PIC18F25K80T-I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) |
| Brand | Microchip Technology | Microchip Technology (same) | Microchip Technology (same) | Microchip Technology (same) | Microchip Technology (same) |
| Temperature Grade | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| Flash | 64 KB | 64 KB (same) | 64 KB (same) | 64 KB (same) | 32 KB (-50%) |
| SRAM | 3.6 KB | 3.6 KB (same) | 3.6 KB (same) | 3.6 KB (same) | 3.6 KB (same) |
| EEPROM | 1 KB | 1 KB (same) | 1 KB (same) | 1 KB (same) | 1 KB (same) |
| ECAN | Yes (CAN 2.0B Active) | Yes (same) | Yes (same) | Yes (same) | Yes (same) |
| CPU Speed | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS (same) | 64 MHz / 16 MIPS (same) | 64 MHz / 16 MIPS (same) | 64 MHz / 16 MIPS (same) |
| A/D Converter | 12-bit, 11 ch | 12-bit, 11 ch (same) | 12-bit, 11 ch (same) | 12-bit, 11 ch (same) | 12-bit, 11 ch (same) |
| Packaging Code | Tape & Reel (T) | Tape & Reel (T) | Tray (no T) | Tray (no T) | Tape & Reel (T) |
Key Differentiators
- Extended -40C to +125C operating temperature grade with Tape & Reel packaging (vs PIC18F26K80T-I/SO)
- Twice the Flash of the 25K80 family member in the same 28-SOIC footprint (vs PIC18F25K80T-I/SO)
- Integrated ECAN controller with nanoWatt XLP deep-sleep currents (vs PIC18F26K22T-I/SO)
- Tape & Reel packaging for high-volume SMT production (vs PIC18F26K80-E/SO)
Design Notes
Decouple VDD with a 100nF ceramic capacitor as close as possible to pins 8 and 20, plus a 4.7uF-10uF bulk capacitor at the PCB input. At 64MHz operation the PIC18F26K80T-E/SO draws up to ~10mA active, and high-frequency current transients on VDD can cause code-execution errors without adequate decoupling. For ECAN applications, also add 100nF on the transceiver VCC rail to suppress bus-induced noise from coupling back into the MCU supply.
Route the ECAN TX/RX traces as a differential pair with characteristic impedance near 120 ohms, keeping the pair length-matched within 5mm and away from switching converter or relay traces. Per Microchip application note AN228, a common-mode choke and 120 ohm termination at each end of the bus dramatically improve EMC compliance. Place the CAN transceiver (e.g., MCP2551) within 20mm of the MCU to minimize stub length and ringing.
Estimated: At 64MHz, 5V VDD, 100% CPU load, and typical 8mA active current, the device dissipates ~40mW (P = V x I = 5V x 8mA). With SOIC theta_JA around 80 C/W, the junction rises roughly 3C above ambient, so thermal management is rarely a concern. However, in sealed enclosures above +85C ambient, derate the CPU clock or move to a QFN-packaged PIC18F family member for better thermal coupling to the PCB copper pour.
Do not leave the MCLR pin floating - tie it to VDD through a 10k resistor or directly drive it from an external supervisor. Floating MCLR can cause spurious resets and corrupted Flash writes. Also, ensure the configuration bits (CONFIG1L-2L) are set explicitly in source code rather than relying on default values, especially the WDT, BOR, and oscillator settings, otherwise the device may fail to start or run at an unexpected frequency. Finally, when migrating from PIC18F26K22 code, remember that the K80 family adds an ECAN module which must be disabled if unused, otherwise the device consumes an additional ~1mA.
Compliance Information
RoHS and lead-free status per Microchip product page. AEC-Q100 automotive qualification status is not explicitly stated on the public product page - consult Microchip for Q-graded part numbers if AEC-Q100 is required. REACH and conflict-minerals compliance assumed for mainstream Microchip PIC18 line.
