PIC18F8410-I/PT - 8-Bit MCU, 40MHz, 16KB Flash, 70 I/O TQFP-80 | Microchip
MPN: PIC18F8410-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $10.42 | $10.42 |
| 10 | $9.55 | $95.50 |
| 100 | $8.3 | $830.00 |
| 500 | $7.4 | $3,700.00 |
| 1,000 | $6.85 | $6,850.00 |
PIC18F8410-I/PT Overview
A PIC microcontroller (Programmable Interface Controller) is a compact CMOS integrated circuit that combines a CPU, program memory (Flash/ROM), data memory (RAM), and on-chip peripherals such as ADC, timers, and communication interfaces. PIC microcontrollers sit within the broader hierarchy: microcontroller -> embedded processor -> semiconductor device, and they are widely used as the main control element in industrial, automotive, and consumer electronics. The PIC18 family specifically targets high-performance 8-bit applications with enhanced instruction sets and C-optimized architecture.
Key features include 16 KB self-programmable Flash memory, 768 bytes of RAM, 256 bytes of EEPROM data memory, hardware multiplier for faster arithmetic, and Microchip's nanoWatt power management for sleep and low-power modes. The 80-pin TQFP package exposes up to 70 I/O lines, making this device particularly suited to parallel-bus interfaces and high-pin-density applications where smaller PIC18 devices lack sufficient I/O count.
The PIC18F8410 is built on an enhanced Harvard architecture with a 16-bit instruction word and an 8-bit data path, supporting 77 instructions and direct, indirect, and relative addressing. The integrated 10-bit A/D converter with up to 16 channels, combined with multiple USART, SPI, and I2C peripherals, allows direct sensor interfacing without external glue logic. An enhanced capture/compare/PWM (ECCP) module simplifies motor-control and power-conversion designs.
Typical applications include manufacturing equipment, instrumentation and monitoring, data acquisition systems, power conditioning, environmental monitoring, telecom control boards, and consumer appliance controllers. The 70 I/O count supports direct drive of LED matrices, character LCDs, keypads, and parallel-bus peripherals, while the 10-bit ADC supports sensor readout.
When designing with this device, ensure adequate decoupling with 100 nF ceramic capacitors placed close to every VDD/VSS pair and a bulk 10 uF tantalum or ceramic on the main rail. Program the configuration bits carefully to set the oscillator mode and disable unused peripherals to minimize current draw. For brown-out robustness in industrial environments, enable the on-chip brown-out reset (BOR) and the watchdog timer (WDT).
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC18F8410-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 PIC18F8410-I/PT (same form factor and footprint) — differing in Package, Operating Temperature, Core, ADC, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F8310-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F8525-I/PT
✅ Drop-In✓ In Stock
$8.45 / Unit
View Datasheet →PIC18F8627-I/PT
✅ Drop-In✓ In Stock
$9.05 / Unit
View Datasheet →PIC18F8410-E/PT
✅ Drop-In✓ In Stock
$2.15 / Unit
View Datasheet →PIC18F8410T-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F8410-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC18 enhanced Harvard |
| Program Memory Type | Flash (self-programmable) |
| Program Memory Size | 16 KB (8K x 16) |
| RAM Size | 768 bytes |
| EEPROM Size | 256 bytes |
| Maximum CPU Speed | 40 MHz |
| Supply Voltage Range | 4.2 V to 5.5 V |
| I/O Pins | 70 |
| ADC | 10-bit, up to 16 channels |
| Timers | Multiple 8-bit and 16-bit |
| ECCP Module | Enhanced Capture/Compare/PWM |
| Serial Interfaces | USART, SPI, I2C (MSSP) |
| Package | 80-pin TQFP (12 x 12 mm, 1.0 mm height) |
| Operating Temperature | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount |
| Lead-Free / RoHS | Lead-free, RoHS compliant |
| MSL Level | 3 |
PIC18F8410-I/PT Pin Configuration
| Pin 1 | MCLR/VPP/RE3 — Master Clear (reset) input / programming voltage / digital input |
| Pin 2 | RA0/AN0 — PORTA bit 0 / analog input channel 0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / analog input channel 1 |
| Pin 4 | RA2/AN2/VREF- — PORTA bit 2 / analog input channel 2 / ADC VREF- |
| Pin 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input channel 3 / ADC VREF+ |
| Pin 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Pin 7 | RA5/AN4/SS — PORTA bit 5 / analog input channel 4 / SPI slave select |
| Pin 8 | RA6/OSC2/CLKO — PORTA bit 6 / crystal oscillator output / clock output |
| Pin 9 | RA7/OSC1/CLKI — PORTA bit 7 / crystal oscillator input / clock input |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 12 | RB0/INT0/FLT0 — PORTB bit 0 / external interrupt 0 / PWM fault input |
| Pin 13 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| Pin 14 | RB2/INT2 — PORTB bit 2 / external interrupt 2 |
| Pin 15 | RB3/INT3 — PORTB bit 3 / external interrupt 3 |
| Pin 16 | RB4/KBI0 — PORTB bit 4 / keyboard interrupt 0 |
| Pin 17 | RB5/KBI1 — PORTB bit 5 / keyboard interrupt 1 |
| Pin 18 | RB6/KBI2/PGC — PORTB bit 6 / keyboard interrupt 2 / ICSP clock |
| Pin 19 | RB7/KBI3/PGD — PORTB bit 7 / keyboard interrupt 3 / ICSP data |
| Pin 20 | VSS — Ground reference |
| Pin 21 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 22 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| Pin 23 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 output |
| Pin 24 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| Pin 25 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Pin 26 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Pin 27 | RC5/SDO — PORTC bit 5 / SPI data out |
| Pin 28 | RC6/TX1/CK1 — PORTC bit 6 / USART1 transmit / USART1 clock |
| Pin 29 | RC7/RX1/DT1 — PORTC bit 7 / USART1 receive / USART1 data |
| Pin 30 | VSS — Ground reference |
| Pin 31 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 32 | RD0 — PORTD bit 0 |
| Pin 33 | RD1 — PORTD bit 1 |
| Pin 34 | RD2 — PORTD bit 2 |
| Pin 35 | RD3 — PORTD bit 3 |
| Pin 36 | RD4 — PORTD bit 4 |
| Pin 37 | RD5 — PORTD bit 5 |
| Pin 38 | RD6 — PORTD bit 6 |
| Pin 39 | RD7 — PORTD bit 7 |
| Pin 40 | VSS — Ground reference |
| Pin 41 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 42 | RE0/RD — PORTE bit 0 / parallel-bus read strobe |
| Pin 43 | RE1/WR — PORTE bit 1 / parallel-bus write strobe |
| Pin 44 | RE2/CS — PORTE bit 2 / parallel-bus chip select |
| Pin 45 | VSS — Ground reference |
| Pin 46 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 47 | RF0 — PORTF bit 0 |
| Pin 48 | RF1 — PORTF bit 1 |
| Pin 49 | RF2 — PORTF bit 2 |
| Pin 50 | RF3 — PORTF bit 3 |
| Pin 51 | RF4 — PORTF bit 4 |
| Pin 52 | RF5 — PORTF bit 5 |
| Pin 53 | RF6 — PORTF bit 6 |
| Pin 54 | RF7 — PORTF bit 7 |
| Pin 55 | VSS — Ground reference |
| Pin 56 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 57 | RG0 — PORTG bit 0 |
| Pin 58 | RG1 — PORTG bit 1 |
| Pin 59 | RG2 — PORTG bit 2 |
| Pin 60 | RG3 — PORTG bit 3 |
| Pin 61 | RG4 — PORTG bit 4 |
| Pin 62 | RG5 — PORTG bit 5 |
| Pin 63 | RG6 — PORTG bit 6 |
| Pin 64 | RG7 — PORTG bit 7 |
| Pin 65 | VSS — Ground reference |
| Pin 66 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 67 | RH0 — PORTH bit 0 |
| Pin 68 | RH1 — PORTH bit 1 |
| Pin 69 | RH2 — PORTH bit 2 |
| Pin 70 | RH3 — PORTH bit 3 |
| Pin 71 | RH4 — PORTH bit 4 |
| Pin 72 | RH5 — PORTH bit 5 |
| Pin 73 | RH6 — PORTH bit 6 |
| Pin 74 | RH7 — PORTH bit 7 |
| Pin 75 | VSS — Ground reference |
| Pin 76 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 77 | RJ0 — PORTJ bit 0 |
| Pin 78 | RJ1 — PORTJ bit 1 |
| Pin 79 | RJ2 — PORTJ bit 2 |
| Pin 80 | RJ3 — PORTJ bit 3 |
Typical Applications
PIC18F8410-I/PT is suitable for 6 applications: Industrial Manufacturing Equipment, Data Acquisition Systems, Power Conditioning and Monitoring, Environmental Monitoring Sensors, Telecom Control Boards, Consumer Appliance Controllers.
Industrial Manufacturing Equipment
The PIC18F8410-I/PT suits PLC-style manufacturing controllers because its 70 I/O lines directly drive relay banks, 7-segment LED arrays, and motor-direction contactors without external I/O expanders. With 16 KB Flash it fits ladder-logic firmware plus HMI state machines, and the 40 MHz CPU delivers deterministic scan loops under 10 ms. According to Microchip's PIC18F8410 family brief, this series targets 'manufacturing equipment, instrumentation and monitoring, data acquisition, power conditioning, environmental monitoring, telecom and consumer applications.' Pair this MCU with the PIC18F67K90-I/PT (same family, larger Flash) for higher-tier machines.
Recommended
Data Acquisition Systems
The PIC18F8410-I/PT is well suited for multi-channel data loggers because its integrated 10-bit ADC with up to 16 input channels samples thermocouples, pressure transducers, and 4-20 mA loop sensors without an external ADC. The 16 KB Flash accommodates calibration tables and SD-card file-system code, while the 768-byte RAM buffers acquisition bursts between storage writes. Place 100 nF decoupling caps at every VDD/VSS pair to keep ADC readings stable; use the on-chip EEPROM (256 bytes) to store nonvolatile calibration constants that survive power cycles.
Recommended
Power Conditioning and Monitoring
The PIC18F8410-I/PT works as the supervisory controller in UPS, inverter, and PFC front-ends because its ECCP module generates precise PWM waveforms and its 70 I/O lines read current/voltage sensors plus status LEDs. The 4.2-5.5 V supply range is compatible with 5 V housekeeping rails typically derived from the power-stage bias winding. Enable the on-chip brown-out reset (BOR) and watchdog timer (WDT) to recover from voltage sags. For higher-power designs with CAN communication, the PIC18F8525-I/PT is a near drop-in upgrade that adds a CAN peripheral.
Recommended
Environmental Monitoring Sensors
The PIC18F8410-I/PT handles multi-sensor environmental nodes - air-quality, humidity, temperature, and gas - because its 10-bit ADC reads analog sensors, its USART drives RS-485 transceivers for Modbus RTU networking, and nanoWatt sleep modes drop quiescent current below typical battery drain rates. The 16 KB Flash holds sensor linearization curves plus networking stack fragments, while 768 bytes RAM buffers Modbus frames. Use the on-chip ECCP module for low-frequency PWM fan or heater control in HVAC applications.
Recommended
Telecom Control Boards
The PIC18F8410-I/PT fits telecom line-card housekeeping boards where its 70 I/O lines scan front-panel pushbuttons, drive status LEDs, and read alarm-input optocouplers. The integrated USART (async), MSSP (SPI/I2C), and a second USART option allow direct connection to management buses and supervisory EEPROMs. At 40 MHz the firmware can service alarm scans within tight latency budgets. Its 4.2-5.5 V range matches standard 5 V telecom rail, and the industrial temperature grade covers outdoor cabinet environments.
Recommended
Consumer Appliance Controllers
The PIC18F8410-I/PT runs white-goods controllers (washing machines, dishwashers, induction cooktops) because its 70 I/O drive triac-fired loads and read Hall sensors, its ECCP generates zero-crossing-switched PWM for variable power, and its 40 MHz throughput executes motor-vector algorithms in real time. The 16 KB Flash holds application code and safety-state machines, while 768 B RAM supports PID control loops. Enable the WDT and BOR for Class II appliance safety compliance; industrial -40C to +85C operation covers under-cabinet thermal environments.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F8410-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F8310-I/PT | PIC18F8525-I/PT | PIC18F8627-I/PT | PIC18F8410-E/PT | PIC18F8410T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-80 (12x12 mm) | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same |
| Flash Program Memory | 16 KB | 8 KB | 48 KB | 96 KB | 16 KB | 16 KB |
| RAM Size | 768 bytes | 768 bytes | 3.8 KB | 3.8 KB | 768 bytes | 768 bytes |
| EEPROM Size | 256 bytes | 256 bytes | 1 KB | 1 KB | 256 bytes | 256 bytes |
| I/O Pins | 70 | 70 | 70 | 70 | 70 | 70 |
| Maximum Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
Key Differentiators
- Balanced cost-to-IO ratio in TQFP-80 (vs PIC18F8525-I/PT)
- Drop-in extended-temperature upgrade path (vs PIC18F8410-E/PT)
- Higher memory headroom than 8310 (vs PIC18F8310-I/PT)
Design Notes
The PIC18F8410-I/PT has six VDD/VSS pairs across the TQFP-80 package to provide low-inductance power distribution. Place a 100 nF ceramic decoupling capacitor adjacent to each VDD/VSS pair, plus a single 10 uF bulk tantalum or ceramic capacitor on the main 5 V rail. Estimated: power dissipation is below 100 mW in active mode and under 1 uA in sleep, so no heatsinking is required.
Route the crystal/oscillator traces (OSC1/OSC2, pins 9 and 8) short and symmetric, with a ground guard ring around the crystal to suppress coupling from adjacent switching signals. Keep RC oscillator traces away from PWM outputs to prevent jitter on Timer0/Timer1 captures. Place the MCLR pull-up resistor (typically 10 kohm) close to the IC and add a 100 nF cap on MCLR for noise immunity.
Always configure the brown-out reset (BOR) and watchdog timer (WDT) in the CONFIG registers for industrial deployments. Leaving them disabled creates a risk of lockup under supply transients. Also remember that PORTG, PORTH, and PORTJ lack internal weak pull-ups; add external 10-100 kohm resistors if those pins are used as inputs. Configuration bits must be set explicitly in source code rather than relying on factory defaults.
When using the MSSP peripheral in SPI master mode with high-speed peripherals above 5 MHz, route SCK/SDO/SDI traces as a controlled-impedance bus with matched lengths. Add 33 ohm series resistors near the source to dampen ringing. For I2C, select 4.7 kohm pull-ups on SCL/SDA for 100 kHz Fast-mode and 3.3 kohm for 400 kHz Fast-mode-plus, accounting for total bus capacitance below 400 pF.
Compliance Information
Lead-free and RoHS compliant per DigiKey product listing and FindIC package data. No AEC-Q100 automotive qualification - the standard 8410 is industrial-grade; -E variants remain industrial-grade with extended temperature range but are not AEC-Q100 qualified. For automotive applications, choose a PIC18 K-series part with AEC-Q100 certification.
