PIC18F26Q10-E/SO - 8-Bit 64MHz 64KB Flash MCU | Microchip
MPN: PIC18F26Q10-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.57 | $25.70 |
| 100 | $2.28 | $228.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.85 | $1,850.00 |
PIC18F26Q10-E/SO Overview
A microcontroller (MCU) is a single-chip computer that contains a CPU, RAM, non-volatile program memory, and peripherals such as ADCs, timers, and communication interfaces. MCUs form the lowest tier of embedded computing hierarchy: microcontroller -> embedded processor -> SoC -> computing platform. PIC18 MCUs use a modified Harvard architecture with separate program and data buses, enabling single-cycle instruction execution while accessing both Flash and SRAM in the same cycle.
Key features of the PIC18F26Q10 include 64 KB (64K x 8) of self-programmable Flash, 4 KB of SRAM, 256 bytes of EEPROM, and a 10-bit ADC with up to 24 channels. The device also integrates a 5-bit DAC, complementary waveform generator (CWG), hardware limit timer (HLT), windowed watchdog timer (WWDT), and CRC/SCAN hardware for functional safety. Its extended voltage range of 1.8V to 5.5V supports both battery and 5V regulated rails, and the Functional Safety (FuSa) classification simplifies IEC 61508 SIL-aware designs.
Architecturally, the PIC18F26Q10 employs Microchip's enhanced mid-range core with a 16-bit instruction word and 8-bit data path, achieving 16 MIPS at 64 MHz. Configurable Logic Cells (CLCs) allow on-chip inter-peripheral routing without external glue logic, while the Peripheral Pin Select (PPS) enables flexible signal mapping to I/O pins. This combination reduces BOM count, PCB area, and firmware complexity for sensor nodes and motor control loops.
Typical applications include industrial sensor nodes, IoT edge devices, low-power remote controls, home appliances, and automotive body controllers. The 5V tolerance and integrated op amps suit analog front-end designs where signal conditioning must coexist with digital control.
Designers should enable the on-chip voltage regulator for 5V operation and use the CLCs to implement simple state machines that would otherwise require a CPLD. The PIC18F26Q10-E variant carries the extended operating temperature range of -40C to +125C suitable for industrial environments.
This page synthesizes XAIPART distributor pricing, pin-compatible drop-in alternatives from the PIC18F family, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC18F26Q10-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 PIC18F26Q10-E/SO (same form factor and footprint) — differing in ADC, DAC, I/O Pins, Operating Temperature, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F26Q10-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F26Q10T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F26Q10-E/SOVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F25Q10-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F26K40-E/SO
✅ Drop-In✓ In Stock
$1.52 / Unit
View Datasheet →PIC18F26Q10-E/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC18 enhanced 8-bit |
| Maximum CPU Speed | 64 MHz (16 MIPS) |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data SRAM | 4 KB |
| Data EEPROM | 256 bytes |
| ADC | 10-bit, up to 24 channels |
| DAC | 5-bit, 1 channel |
| Operating Voltage | 1.8 V to 5.5 V |
| I/O Pins | 25 (approximate) |
| Operating Temperature | -40 C to +125 C (E suffix) |
| Package | 28-SOIC (7.50 mm width) |
| Mounting Type | Surface Mount |
| Timers | Multiple 8-bit and 16-bit |
| Communication | UART, SPI, I2C |
| Special Features | CLC, CWG, HLT, WWDT, CRC/SCAN, XLP |
| RoHS Status | Compliant |
| MSL Level | 3 (168 hours) |
PIC18F26Q10-E/SO Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / analog input |
| Pin 2 | RA1 — Port A bit 1 / analog input |
| Pin 3 | RA2 — Port A bit 2 / analog input |
| Pin 4 | RA3 — Port A bit 3 / analog input |
| Pin 5 | RA4 — Port A bit 4 |
| Pin 6 | RA5 — Port A bit 5 |
| Pin 7 | RA6 — Port A bit 6 / OSC2 |
| Pin 8 | RA7 — Port A bit 7 / OSC1 |
| Pin 9 | VSS — Ground |
| Pin 10 | RB0 — Port B bit 0 / interrupt-on-change |
| Pin 11 | RB1 — Port B bit 1 / interrupt-on-change |
| Pin 12 | RB2 — Port B bit 2 / interrupt-on-change |
| Pin 13 | RB3 — Port B bit 3 / interrupt-on-change |
| Pin 14 | RB4 — Port B bit 4 / interrupt-on-change |
| Pin 15 | RB5 — Port B bit 5 / interrupt-on-change |
| Pin 16 | RB6 — Port B bit 6 / ICSCLK |
| Pin 17 | RB7 — Port B bit 7 / ICSDAT |
| Pin 18 | VSS — Ground (second) |
| Pin 19 | VDD — Positive supply voltage |
| Pin 20 | VDD — Positive supply voltage (second) |
| Pin 21 | RC0 — Port C bit 0 |
| Pin 22 | RC1 — Port C bit 1 |
| Pin 23 | RC2 — Port C bit 2 |
| Pin 24 | RC3 — Port C bit 3 / SCL |
| Pin 25 | RC4 — Port C bit 4 / SDA |
| Pin 26 | RC5 — Port C bit 5 |
| Pin 27 | RC6 — Port C bit 6 / TX |
| Pin 28 | RC7 — Port C bit 7 / RX |
Typical Applications
PIC18F26Q10-E/SO is suitable for 7 applications: Industrial Sensor Node, Home Appliance Control Board, IoT Edge Device with Functional Safety, Automotive Body Controller, Low-Power Remote Control, Motor Control with CWG, Smart Sensor Hub for HVAC.
Industrial Sensor Node
The PIC18F26Q10-E/SO fits industrial sensor hubs where 5V tolerance and integrated analog peripherals eliminate external components. Its 10-bit ADC with up to 24 channels accepts thermocouple, RTD, and 4-20mA conditioned signals through on-chip op amps. The 64 KB Flash accommodates Modbus RTU or IO-Link protocol stacks plus calibration tables. With XLP nanoWatt technology drawing sub-microamp sleep currents, battery-backed sensor nodes can run years between maintenance cycles.
Recommended
Home Appliance Control Board
Washing machines, dishwashers, and induction cooktops benefit from the PIC18F26Q10's deterministic 16 MIPS throughput for real-time motor and user-interface management. The CWG generates complementary PWM outputs driving IGBT or MOSFET half-bridges without external glue logic. Hardware limit timers (HLT) provide fail-safe shutdown on overcurrent events with sub-microsecond response. Wide 5V tolerance ensures operation alongside noisy triac-dimmed AC supplies.
Recommended
IoT Edge Device with Functional Safety
FuSa-classified MCUs like the PIC18F26Q10 serve safety-critical IoT nodes requiring IEC 61508 documentation packages. Built-in CRC/SCAN hardware continuously validates Flash and SRAM integrity, while the WWDT detects software lockups. The CLCs implement fail-safe logic without software polling, reducing reaction time. Combined with Microchip's safety manual and FMEDA reports, designers can pursue SIL-2 capable systems with minimal external supervision.
Recommended
Automotive Body Controller
Body electronics modules for lighting, mirror control, and seat adjustment use the PIC18F26Q10's LIN-compatible UART and PWM peripherals. Its -40C to +125C operating range suits under-dash environments with wide thermal swings. CIPs (Core Independent Peripherals) like CLC and CWG offload tasks from the CPU, freeing cycles for LIN stack handling. The Q10 family's AEC-Q100 qualification status supports automotive supply chain requirements.
Recommended
Low-Power Remote Control
Battery-powered remote controls leverage the PIC18F26Q10's XLP technology for years of operation from a coin cell. Sleep currents below 1 microamp extend battery life while the 16 MIPS core wakes to handle RF transmissions in milliseconds. On-chip op amps condition sensor inputs without external active components. The 5V tolerance allows direct connection to multi-cell battery stacks without level shifters.
Recommended
Motor Control with CWG
The Complementary Waveform Generator (CWG) on the PIC18F26Q10 produces dead-time-controlled complementary outputs ideal for driving three-phase inverter or full-bridge motor stages. Hardware PWM handles timing deterministically without CPU jitter. The 64 MHz clock rate enables high switching frequencies above 100 kHz for quiet, efficient drive. With CIP-based protection, fault shutdowns happen in nanoseconds without software intervention.
Recommended
Smart Sensor Hub for HVAC
HVAC controllers use the PIC18F26Q10 to aggregate temperature, humidity, and pressure sensor data through its 24-channel ADC. The 5-bit DAC controls analog actuator setpoints directly while PWM channels drive triac-based heater elements. CLCs implement custom filter logic for sensor debouncing without CPU cycles. The wide operating voltage range accepts 24V HVAC bus power through simple resistive dividers.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F26Q10-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F26Q10-I/SO | PIC18F25Q10-I/SO | PIC18F26K40-E/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Flash Memory | 64 KB | 64 KB | 32 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 2 KB | 3.5 KB |
| Maximum Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) |
| Configurable Logic Cells (CLC) | 4 | 4 | 4 | 0 |
| Complementary Waveform Generator (CWG) | Yes | Yes | Yes | No |
| CRC/SCAN Hardware | Yes (FuSa) | Yes (FuSa) | Yes (FuSa) | No |
Key Differentiators
- Functional Safety (FuSa) hardware features (vs PIC18F26K40-E/SO)
- More Flash memory than 32 KB baseline (vs PIC18F25Q10-I/SO)
- Configurable Logic Cells (CLC) reduce BOM (vs PIC18F26K40-E/SO)
Design Notes
The PIC18F26Q10 includes an internal voltage regulator selectable for 3.3V or 5V operation. When operating from 5V, set the REG Configuration bit to enable the internal LDO, reducing external component count. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of each VDD pin and a 10 uF bulk capacitor. For battery applications, use Sleep mode with peripheral clock gating to achieve sub-1 uA quiescent current.
Place the ICSP programming header (PGC, PGD, MCLR) on a 0.1 inch 5-pin header near the MCU for in-circuit programming access. The MCLR pin requires a 10 kohm pull-up to VDD. For high-noise environments, add a 100 nF capacitor between MCLR and ground. Keep crystal traces short and symmetric, surrounded by ground pours, to minimize EMI and ensure stable oscillation up to 64 MHz.
Enable the Peripheral Pin Select (PPS) feature to remap digital peripherals to optimal physical pins, reducing PCB routing complexity. For analog signals, group analog I/O on adjacent pins to share a clean analog ground island, separated from digital ground with a single-point connection. Use PPS to keep high-speed signals (SPI, PWM) on the same side of the package to minimize trace crossings.
Do not leave unused I/O pins floating - configure them as outputs driving low or as inputs with internal weak pull-ups enabled. Floating inputs can cause shoot-through current in CMOS input stages and unpredictable behavior. When migrating from PIC18F26K22 or K40, verify Configuration Word settings since the Q10 family introduced new bits for CLC, CWG, and CRC/SCAN control.
Compliance Information
RoHS and REACH compliance per Microchip product page. AEC-Q100 not qualified for standard E suffix; check -Q VAO variants for automotive applications requiring qualification.
