PIC18F2510T-I/SO - 8-bit MCU, 32KB Flash, 40MHz, 28-SOIC
MPN: PIC18F2510T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.78 | $5.78 |
| 10 | $5.3 | $53.00 |
| 100 | $4.65 | $465.00 |
| 500 | $4.2 | $2,100.00 |
| 1,000 | $3.85 | $3,850.00 |
| 2,600 | $3.5 | $9,100.00 |
PIC18F2510T-I/SO Overview
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, RAM, non-volatile program memory (flash/ROM), data memory (EEPROM), and a configurable set of peripheral blocks behind a common bus. PIC microcontrollers from Microchip use a RISC Harvard architecture with a small, deterministic instruction set optimized for C compiler code generation, and they belong to the broader category of microcontrollers within the embedded integrated circuit family. nanoWatt Technology, an umbrella for Microchip's dynamic power-management modes, lets the device drop Idle current to roughly 5.8 uA typical and Sleep current down to 0.1 uA typical.
Key features include 25 digital I/O pins shared with peripheral functions, an internal oscillator block selectable from 31 kHz to 8 MHz, a Fail-Safe Clock Monitor that allows safe shutdown if the primary clock fails, a Watchdog Timer with a separate RC oscillator, and a 10-bit A/D converter with up to 10 input channels. Wide operating voltage ranges from 2.0 V to 5.5 V support both 3.3 V and 5 V system rails, and Run, Idle, and Sleep modes let designers trade throughput for current consumption.
The PIC18F2510 implements a C-compiler-optimized RISC core with an 8 x 8 single-cycle hardware multiplier, which accelerates 16-bit math used in control loops, sensor scaling, and communications stacks. Internal oscillator support removes the need for an external crystal in cost-sensitive designs, while the Fail-Safe Clock Monitor and dedicated Watchdog Timer oscillator guard against code lock-up. Together these blocks reduce external BOM and raise reliability in unattended installations.
Typical applications include industrial sensor conditioning, low-cost motor control loops, small appliance control boards, USB-to-UART bridges, and battery-powered instruments. With 32 KB of flash it can comfortably host real-time operating system kernels, bootloader stacks, and graphics libraries on character LCDs.
When designing with the PIC18F2510T-I/SO, choose decoupling per Microchip development board guidelines, program the configuration bits to enable the internal oscillator, and observe the flash endurance rating of 100K erase/write cycles minimum for EEPROM emulation strategies.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the bare manufacturer datasheet, providing a single reference for selection, BOM consolidation, and second sourcing.
Drop-in alternatives for PIC18F2510T-I/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 PIC18F2510T-I/SO (same form factor and footprint) — differing in Package, Operating Temperature, ADC, Program Memory (Flash), Watchdog Timer.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F2510-I/SO
✅ Drop-In✓ In Stock
$2.9 / Unit
View Datasheet →PIC18F2510-I/ML
✅ Drop-In✓ In Stock
$3.18 / Unit
View Datasheet →PIC18F2510T-I/ML
✅ Drop-In✓ In Stock
$2.1 / Unit
View Datasheet →PIC18F2520-I/SO
✅ Drop-In✓ In Stock
$4.65 / Unit
View Datasheet →PIC18F2420-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F2480-I/SO
✅ Drop-In✓ In Stock
$4.13 / Unit
View Datasheet →PIC18F2510T-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Program Memory (Flash) | 32 KB (16K x 16 words) |
| Data RAM | 1536 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 40 MHz (10 MIPS) |
| Supply Voltage Range | 2.0 V to 5.5 V |
| Operating Temperature Range | -40C to +85C (Industrial) |
| I/O Pins | 25 |
| A/D Converter | 10-bit, up to 10 channels |
| Internal Oscillator | 31 kHz to 8 MHz selectable |
| Fail-Safe Clock Monitor | Yes |
| Watchdog Timer | Yes, dedicated RC oscillator |
| Hardware Multiplier | 8 x 8 single-cycle |
| Idle Current (typical) | 5.8 uA |
| Sleep Current (typical) | 0.1 uA |
| Package | 28-pin SOIC (SO, 7.50 mm body) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 1 |
PIC18F2510T-I/SO Pin Configuration
| Pin 1 | RA2/AN2/VREF- — PORTA bit 2 / analog input 2 / DAC negative reference |
| Pin 2 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / DAC positive reference |
| Pin 3 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Pin 4 | RA5/AN4 — PORTA bit 5 / analog input 4 |
| Pin 5 | VSS — Ground reference |
| Pin 6 | OSC1/RA7 — Oscillator crystal input / PORTA bit 7 |
| Pin 7 | OSC2/RA6 — Oscillator crystal output / PORTA bit 6 |
| Pin 8 | RC0 — PORTC bit 0 |
| Pin 9 | RC1 — PORTC bit 1 |
| Pin 10 | RC2 — PORTC bit 2 |
| Pin 11 | RC3 — PORTC bit 3 |
| Pin 12 | RC4 — PORTC bit 4 |
| Pin 13 | RC5 — PORTC bit 5 |
| Pin 14 | RC6 — PORTC bit 6 |
| Pin 15 | RC7 — PORTC bit 7 |
| Pin 16 | VSS — Ground reference (second) |
| Pin 17 | VDD — Positive supply voltage |
| Pin 18 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| Pin 19 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| Pin 20 | RB2/INT2 — PORTB bit 2 / external interrupt 2 |
| Pin 21 | RB3 — PORTB bit 3 |
| Pin 22 | RB4 — PORTB bit 4 |
| Pin 23 | RB5 — PORTB bit 5 |
| Pin 24 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pin 25 | RB7/PGD — PORTB bit 7 / ICSP data |
| Pin 26 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Pin 27 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Pin 28 | VDD — Positive supply voltage (second) |
Typical Applications
PIC18F2510T-I/SO is suitable for 6 applications: Industrial Sensor Conditioning and Control, Small Appliance Control Boards, USB-to-UART Bridge and Protocol Converter, Battery-Powered Measurement Instruments, Low-Cost BLDC Motor Control, IoT Edge Sensor Nodes.
Industrial Sensor Conditioning and Control
The PIC18F2510T-I/SO suits industrial sensor conditioning boards where its 10-bit A/D converter with up to 10 channels handles thermocouple, RTD, and 4-20 mA loop inputs simultaneously. Its wide 2.0V to 5.5V supply range tolerates the regulated 24V industrial bus after buck conversion, while the 25 digital I/O pins drive relays, optocouplers, and status LEDs without external logic. nanoWatt Sleep mode at 0.1 uA typical allows battery-backed remote sensors to log for months between maintenance. According to the Microchip datasheet, the Fail-Safe Clock Monitor ensures the MCU can detect primary crystal failures and reset safely, critical for unattended process installations. The 32 KB flash comfortably fits PID control firmware, calibration tables, and Modbus RTU stacks.
Recommended
Small Appliance Control Boards
Household appliances such as coffee machines, washing machines, and microwave ovens rely on the PIC18F2510T-I/SO for user-interface handling and motor timing. The hardware 8x8 single-cycle multiplier accelerates RPM calculation for BLDC commutation algorithms, while 1536 bytes of RAM support small display buffers for character LCDs and seven-segment drivers. Operating reliably across -40C to +85C industrial temperature range, the device survives kitchen and laundry-room thermal stress. Per Microchip's datasheet, the C-compiler-optimized RISC architecture lets engineers maintain tight C code without assembly tricks, shortening product firmware development cycles. The 25 I/O pins accommodate keypad scanning, encoder inputs, and triac drive optos simultaneously.
Recommended
USB-to-UART Bridge and Protocol Converter
Engineers building USB-to-UART bridges frequently select the PIC18F2510T-I/SO for its 32 KB flash which easily holds CDC-class firmware plus command parsers, and 1536 bytes of RAM buffers UART traffic at typical baud rates. The internal 31 kHz to 8 MHz oscillator block eliminates the need for an external crystal on low-cost bridges, reducing BOM by one component. With 25 I/O pins, the MCU simultaneously handles USB signalling via an external controller, UART TX/RX, and status LEDs. The Watchdog Timer with separate RC oscillator protects against firmware lock-up in field-deployed bridges. According to Microchip documentation, the nanoWatt power modes enable bus-powered designs that stay within USB suspend current limits.
Recommended
Battery-Powered Measurement Instruments
Handheld multimeters, environmental loggers, and portable medical monitors benefit from the PIC18F2510T-I/SO's nanoWatt Sleep current of 0.1 uA typical, extending battery life into the multi-year range. Its 2.0V to 5.5V supply range supports direct operation from two AA cells or a single Li-ion cell, eliminating boost converters. The 10-bit A/D converter digitizes sensor signals with adequate resolution for field-grade accuracy, while 256 bytes of EEPROM stores calibration constants without external memory. According to the datasheet, Idle mode currents down to 5.8 uA typical keep the MCU responsive to user button presses without draining primary cells. The internal oscillator eliminates quiescent current draw from external crystal circuits.
Recommended
Low-Cost BLDC Motor Control
Brushless DC motor control boards for fans, pumps, and small drones fit within the PIC18F2510T-I/SO's 32 KB flash budget and benefit from its 8x8 hardware multiplier for fast commutation math. The 25 I/O pins drive three-phase inverter gate drivers, hall-effect sensor inputs, and tachometer outputs without external logic. Its 40 MHz clock yields 10 MIPS, which is sufficient for sensorless BEMF zero-crossing detection algorithms. The 2.0V to 5.5V supply supports direct 3.3V MCU rails from a buck converter on 12V or 24V motor buses. Per Microchip documentation, the Fail-Safe Clock Monitor detects crystal failures and shuts the inverter down to prevent motor runaway.
Recommended
IoT Edge Sensor Nodes
IoT edge sensor nodes for building automation and smart agriculture leverage the PIC18F2510T-I/SO's low Sleep current of 0.1 uA typical to support years of battery operation while periodically waking to transmit via paired radio modules. Its 32 KB flash accommodates TLS-style stacks for secure MQTT publishing on resource-constrained devices, and 1536 bytes of RAM is sufficient for buffering sensor bursts before radio transmission. The 10-bit A/D converter with up to 10 channels handles multi-sensor payloads such as soil moisture, temperature, and light level. According to Microchip documentation, the internal 31 kHz to 8 MHz oscillator allows wake-on-timer interrupts without external components. The wide -40C to +85C range survives outdoor deployment.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F2510T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F2510-I/SO | PIC18F2510-I/ML | PIC18F2520-I/SO | PIC18F2420-I/SO | PIC18F2480-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (SO, 7.50 mm) | 28-SOIC (SO, 7.50 mm) - same | 28-SOIC (SO, 7.50 mm) - same family | 28-SOIC (SO, 7.50 mm) - same | 28-SOIC (SO, 7.50 mm) - same | 28-SOIC (SO, 7.50 mm) - same |
| Program Memory (Flash) | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB (-50%) | 16 KB (-50%) |
| Data RAM | 1536 bytes | 1536 bytes | 1536 bytes | 1536 bytes (+0% spec) | 768 bytes (-50%) | 768 bytes (-50%) |
| Maximum Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| I/O Pins | 25 | 25 | 25 | 25 | 25 | 25 |
| A/D Converter | 10-bit, 10 channels | 10-bit, 10 channels | 10-bit, 10 channels | 10-bit, 10 channels | 10-bit, 10 channels | 10-bit, 8 channels |
| Special Peripherals | Standard PIC18F peripherals | Standard PIC18F peripherals | Standard PIC18F peripherals | Standard PIC18F peripherals | Standard PIC18F peripherals | Adds CAN bus peripheral |
Key Differentiators
- Tube vs Tape-and-Reel packaging variants share the same die (vs PIC18F2510-I/SO)
- QFN package option for space-constrained designs (vs PIC18F2510-I/ML)
- Same flash density with identical pinout in PIC18F2520 family (vs PIC18F2520-I/SO)
- CAN bus integration available in PIC18F2480 family (vs PIC18F2480-I/SO)
Design Notes
Estimated: at 40 MHz active current from VDD is approximately 15-20 mA typical, so use a 100 nF ceramic decoupling capacitor as close as practical to each VDD pin (pins 17 and 28) plus a bulk 10 uF tantalum or ceramic at the supply rail. For battery-powered designs, switching from HS to internal LF oscillator drops active current below 5 mA and Sleep current to 0.1 uA typical, enabling multi-year battery life on two AA cells.
The PIC18F2510T-I/SO is rated for industrial -40C to +85C operation, but the 28-SOIC package thermal resistance is approximately 80 C/W junction-to-ambient. Estimated: at 5V VDD and 40 MHz continuous operation, self-heating in a sealed enclosure can reach 15-20C above ambient, so derate by 5C in poorly ventilated enclosures. The device has no overtemperature shutdown; firmware must monitor VDD and reduce clock speed if junction temperature rises unexpectedly.
Route the ICSP clock and data lines (RB6/PGC and RB7/PGD) directly to the programming header without series resistors in the path, as Microchip ICD debuggers drive these pins bidirectionally. Place a 4.7 kohm pull-up on MCLR if not driven by a dedicated supervisor. Keep analog traces (AN0-AN4, VREF+, VREF-) short and away from switching traces to preserve the 10-bit A/D accuracy, and add a 100 nF bypass on AVREF+ when using the internal voltage reference.
Configuration bits must be set before first code execution - leaving the oscillator on default HS mode with an absent crystal will cause the MCU to fail to start. The internal oscillator block defaults to 31 kHz LF after Reset Brown-out at 8 MHz HF, so unused clock modes must be explicitly disabled. The 256-byte EEPROM endurance of 100K write cycles minimum requires firmware to spread writes across pages rather than write the same byte in tight loops.
Compliance Information
RoHS compliant per Microchip product environmental compliance page. Not AEC-Q100 qualified - not intended for automotive safety-critical applications. Lead-free and halogen-free per package materials declaration.