PIC18LF2410-I/ML - 8-bit 40MHz 16KB Flash MCU 28-QFN | Microchip
MPN: PIC18LF2410-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.85 | $3.85 |
| 10 | $3.47 | $34.70 |
| 100 | $2.91 | $291.00 |
| 500 | $2.46 | $1,230.00 |
| 1,000 | $2.13 | $2,130.00 |
PIC18LF2410-I/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and configurable I/O peripherals. The PIC18F family from Microchip uses an enhanced Harvard RISC architecture with a C-compiler-optimized instruction set, single-cycle hardware multiply, and internal oscillator support from 31 kHz to 8 MHz. Within the broader semiconductor taxonomy, an MCU sits between a microprocessor (no on-chip memory or peripherals) and a system-on-chip (SoC, which adds radios and graphics). MCUs are the workhorse of embedded electronics wherever deterministic real-time control is needed at low cost.
Key features of the PIC18LF2410 include up to 10 MIPS CPU throughput, an internal oscillator block selectable across 31 kHz to 8 MHz, a fail-safe clock monitor that permits safe shutdown if the primary clock is lost, a watchdog timer with its own dedicated RC oscillator, and nanoWatt Technology for sleep currents below 1 uA in typical applications. Twenty-five general-purpose I/O pins are brought out on the QFN-28, and the device supports in-circuit serial programming (ICSP) via two pins, eliminating the need for a pre-programmed boot loader.
The device is well suited to industrial sensing nodes, low-cost sensor signal conditioning, USB-less consumer peripherals, and general-purpose logic replacement where a small PIC18 footprint, low-voltage operation, and 16 KB of code space are sufficient. The 28-QFN exposed pad provides a low thermal resistance path to the PCB copper pour, which helps dissipate heat when the MCU is clocked at the full 40 MHz rate and multiple peripherals are active simultaneously.
When designing with this part, ensure the exposed pad is soldered to a continuous ground copper pour to meet the 31 C/W (typical) thermal resistance claim and to provide the lowest-inductance return path for the high-speed internal oscillator. Industrial temperature parts (the 'I' suffix) are rated -40C to +85C, suitable for non-automotive indoor and outdoor industrial enclosures. This page synthesizes distributor inventory, parametric alternatives, and practical layout guidance not collected in the original datasheet.
This page integrates distributor pricing, drop-in alternatives, and PCB-level design notes that go beyond the manufacturer datasheet, giving engineers a single reference for BOM selection, second sourcing, and layout review of the PIC18LF2410-I/ML.
Drop-in alternatives for PIC18LF2410-I/ML — 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 PIC18LF2410-I/ML (same form factor and footprint) — differing in Package, Operating Temperature, Timers, Core, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F2410-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18LF2510-I/ML
✅ Drop-In✓ In Stock
$1.85 / Unit
View Datasheet →PIC18F2510-I/ML
✅ Drop-In✓ In Stock
$3.18 / Unit
View Datasheet →PIC18LF2410-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18LF2410T-I/ML
✅ Drop-In✓ In Stock
$2.3 / Unit
View Datasheet →PIC18LF2410-I/ML Maximum Ratings & Electrical Characteristics
| Core | PIC18F, 8-bit RISC |
| CPU Speed | Up to 40 MHz (10 MIPS) |
| Program Memory (Flash) | 16 KB (8K x 16) |
| RAM | 768 bytes |
| EEPROM | 256 bytes |
| Supply Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 25 |
| A/D Converter | 10-bit |
| Timers | Multiple 8-bit and 16-bit |
| Communication | USART, MSSP (SPI/I2C) |
| Internal Oscillator | 31 kHz to 8 MHz |
| Watchdog Timer | Yes, with dedicated RC oscillator |
| Fail-Safe Clock Monitor | Yes |
| Operating Temperature | -40C to +85C (Industrial, 'I' suffix) |
| Package | 28-QFN (6x6 mm) with exposed thermal pad |
| Mounting Type | Surface Mount |
| ICSP Programming | Yes (2-wire) |
| RoHS Status | Compliant |
PIC18LF2410-I/ML Pin Configuration
| Pin 1 | MCLR — Master Clear (reset) input, active low |
| Pin 2 | RA0/AN0 — GPIO / analog channel 0 |
| Pin 3 | RA1/AN1 — GPIO / analog channel 1 |
| Pin 4 | RA2/AN2/VREF- — GPIO / analog channel 2 / A/D VREF- |
| Pin 5 | RA3/AN3/VREF+ — GPIO / analog channel 3 / A/D VREF+ |
| Pin 6 | RA4/T0CKI — GPIO / Timer0 clock input |
| Pin 7 | RA5/AN4 — GPIO / analog channel 4 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/RA7 — Crystal oscillator input / external clock / GPIO |
| Pin 10 | OSC2/CLKO/RA6 — Crystal oscillator output / clock out / GPIO |
| Pin 11 | RC0/T1OSO/T13CKI — GPIO / Timer1 oscillator output / Timer1 clock input |
| Pin 12 | RC1/T1OSI — GPIO / Timer1 oscillator input |
| Pin 13 | RC2/CCP1 — GPIO / Capture/Compare/PWM 1 |
| Pin 14 | RC3/SCK/SCL — GPIO / MSSP SPI clock / I2C clock |
| Pin 15 | RC4/SDI/SDA — GPIO / MSSP SPI data in / I2C data |
| Pin 16 | RC5/SDO — GPIO / MSSP SPI data out |
| Pin 17 | RC6/TX/CK — GPIO / USART TX / USART clock |
| Pin 18 | RC7/RX/DT — GPIO / USART RX / USART data |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RB0/INT0 — GPIO / external interrupt 0 |
| Pin 22 | RB1/INT1 — GPIO / external interrupt 1 |
| Pin 23 | RB2 — GPIO |
| Pin 24 | RB3/PGM — GPIO / ICSP low-voltage programming entry |
| Pin 25 | RB4 — GPIO |
| Pin 26 | RB5/PGM — GPIO / ICSP programming |
| Pin 27 | RB6/PGC — GPIO / ICSP clock |
| Pin 28 | RB7/PGD — GPIO / ICSP data |
| Pin PAD | EP (VSS) — Exposed thermal pad, internally bonded to VSS, must be soldered to PCB ground pour |
Typical Applications
PIC18LF2410-I/ML is suitable for 6 applications: Industrial Sensor Signal Conditioning, Battery-Powered Wireless Sensor Node (Sub-MCU), Consumer Appliance Control Board, Automotive Aftermarket Accessory Controller, Hobby and Educational Development Platform, Low-Cost Logic Replacement / Sequencer.
Industrial Sensor Signal Conditioning
The PIC18LF2410-I/ML is a strong fit for industrial sensor signal conditioning front-ends because of its 10-bit A/D converter, internal 31 kHz to 8 MHz oscillator that removes the need for an external crystal, and a wide 2.0 V to 5.5 V supply window that supports 3.3 V and 5 V sensor bridges. The 28-QFN package lets the MCU sit directly behind the sensor footprint, minimizing analog trace length and improving A/D noise performance. With 768 B of RAM and 16 KB flash the part handles local linearization, calibration constants, and Modbus RTU framing without an external RTOS. The fail-safe clock monitor is particularly useful in noisy industrial environments where the oscillator may be briefly disturbed; the MCU can continue executing from the internal RC while alerting the host. Reference companion parts: MCP6002 op-amp, MCP9700A temperature sensor, MAX31865 RTD digitizer.
Recommended
Battery-Powered Wireless Sensor Node (Sub-MCU)
In a battery-powered wireless sensor node the PIC18LF2410-I/ML typically serves as the application processor that wakes a sub-GHz radio such as a Microchip MRF89XA only when a sample is ready, sleeping the rest of the time. NanoWatt Technology brings quiescent current below 1 uA in sleep mode and the 2.0 V minimum supply lets the node run directly from a CR2032 coin cell down to end-of-life. The 16 KB flash comfortably fits a state machine, sensor drivers, and AES-128 encryption library for secure payloads. USART and MSSP peripherals provide the SPI connection to the radio and the I2C connection to a sensor IC. Reference companion parts: MRF89XA sub-GHz transceiver, MCP1700 LDO, AT24CS01 EEPROM.
Recommended
Consumer Appliance Control Board
The PIC18LF2410-I/ML is widely used as the main control MCU in white-goods and small consumer appliances such as coffee makers, bread machines, blenders, and air purifiers. Its 25 I/O pins easily drive the keypad scan matrix, triac controls, segment LCD bias, and buzzer. The internal oscillator eliminates the external crystal and saves BOM cost, while 16 KB of flash fits typical state-machine firmware with built-in self-test routines. The exposed-pad 28-QFN footprint provides the low thermal resistance required when driving relays or triacs at high ambient temperature, and the -40C to +85C industrial rating covers appliance environments. Reference companion parts: MOC3021 triac driver, ULN2003A Darlington array, 1N4148 diode clamp.
Recommended
Automotive Aftermarket Accessory Controller
The PIC18LF2410-I/ML is used in automotive aftermarket accessory controllers (lighting, alarm, central locking retrofits) where original-equipment AEC-Q100 parts are not required and cost dominates. The 28-QFN package's small footprint and 16 KB flash handle LED PWM sequencing, RF remote decoding, and relay timing. The MSSP peripheral can drive an SPI-controlled CAN-transceiver such as the MCP2515 if CAN connectivity is desired, while the USART handles diagnostics over a K-line or LIN physical layer. Industrial -40C to +85C operation covers most passenger cabin environments, though under-hood applications require a higher-grade part. Reference companion parts: MCP2515 CAN controller, MCP2551 CAN transceiver, TJA1027 LIN transceiver.
Recommended
Hobby and Educational Development Platform
The PIC18LF2410-I/ML is a popular target on hobbyist and educational development boards because its 16 KB flash fits typical student projects, ICSP lets it be programmed without a bootloader, and the PIC18F instruction set is well documented in textbooks. The internal oscillator means a breadboard design only needs power, decoupling caps, and an ICSP header, with no crystal required. Its 10-bit A/D, MSSP (SPI/I2C), and USART teach students the three most important MCU peripherals in one part. The 28-QFN footprint is challenging for hand-soldering but easy on a reflow board, making it a useful stepping stone to SMD designs. Reference companion parts: PICkit 3 programmer, MCP2221 USB-to-UART bridge, MCP1702 LDO.
Recommended
Low-Cost Logic Replacement / Sequencer
The PIC18LF2410-I/ML is used in many designs as a low-cost replacement for discrete 74HC logic, GALs, or small PLAs where firmware-based sequencing is cheaper than hardware glue logic. The 25 I/O pins can emulate dozens of gates and timers in a 6x6 mm QFN footprint, while the 16 KB flash lets designers update sequencing rules in the field without board rework. Industrial -40C to +85C operation covers most factory floor and outdoor enclosure environments, and nanoWatt sleep modes let battery-backed sequencers coast for years. Reference companion parts: SN74HC595 shift register, ULN2003A driver, MCP1700 LDO.
Recommended
Recommended Products Summary
Engineering reference data for PIC18LF2410-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F2410-I/ML | PIC18LF2510-I/ML | PIC18F2510-I/ML | PIC18LF2410-E/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm, ML) | 28-QFN (6x6 mm, ML) - same | 28-QFN (6x6 mm, ML) - same | 28-QFN (6x6 mm, ML) - same | 28-QFN (6x6 mm, ML) - same |
| Core / Speed | PIC18F 8-bit, 40 MHz / 10 MIPS | PIC18F 8-bit, 40 MHz / 10 MIPS | PIC18F 8-bit, 40 MHz / 10 MIPS | PIC18F 8-bit, 40 MHz / 10 MIPS | PIC18F 8-bit, 40 MHz / 10 MIPS |
| Program Memory (Flash) | 16 KB | 16 KB | 24 KB | 24 KB | 16 KB |
| RAM | 768 B | 768 B | 1536 B | 1536 B | 768 B |
| Supply Voltage Range | 2.0 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 | 2.0 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| I/O Pins | 25 | 25 | 25 | 25 | 25 |
Key Differentiators
- Lowest-cost LF variant in the PIC18F2X1X/4X1X 28-pin family (vs PIC18LF2510-I/ML)
- Wide 2.0 V to 5.5 V supply enables 3.3 V and 2.5 V operation (vs PIC18F2410-I/ML)
- Industrial -40C to +85C rating with extended-temperature upgrade path (vs PIC18LF2410-E/ML)
- Internal 31 kHz to 8 MHz oscillator eliminates external crystal (vs PIC18F26K22-I/SP)
Design Notes
Estimated: the 28-QFN exposed pad provides a thermal resistance path of approximately 31 C/W (typical, 4-layer JEDEC EIA/JESD51-7 board) to the PCB copper pour. At 40 MHz full-speed operation with all peripherals active the dissipation is well under 100 mW; however the part must still have the exposed pad soldered to a continuous ground pour to achieve this figure. Per Microchip application note AN233 the EP is internally bonded to VSS and must not float; a 4x4 thermal via array under the pad is recommended for production layouts.
Place a 0.1 uF decoupling capacitor within 2 mm of every VDD pin (pins 20) and a bulk 10 uF tantalum or ceramic on the supply trace. Keep the ICSP PGD/PGC pair (RB7/RB6) away from switching traces because ICSP programming can fail if the lines pick up more than ~5 ns of ringing. According to Microchip ICSP specification the PGC pin should be pulled to ground through a 10 kohm resistor if not in use to prevent spurious programming entry.
The 10-bit A/D converter benefits from short analog traces and a quiet analog ground plane. Per the PIC18F2X1X/4X1X datasheet the A/D VREF+ and VREF- pins should each be bypassed with 0.1 uF and 10 uF capacitors in parallel, and the VREF trace should not share copper with digital switching nodes. When reading ratiometric sensors (such as a resistive bridge) tie VREF+ to VDD and the A/D reading becomes independent of supply tolerance. The internal 4 MHz oscillator gives approximately +/- 2% frequency accuracy across temperature; designs that need tighter timing should use an external crystal on OSC1/OSC2.
Do not confuse the LF (low-voltage) suffix with the F (full-voltage) variant: PIC18LF2410 operates down to 2.0 V while PIC18F2410 requires 4.2 V minimum supply. Substituting one for the other in a 3.3 V system will not start. Also do not leave the MCLR pin floating - per the datasheet a 10 kohm pull-up to VDD is required. Finally, the analog channels AN0..AN7 are multiplexed onto PORTA pins and must be configured as inputs (TRISA = 1) before reading; a common bug is to read floating digital inputs that the part interprets as analog channels by mistake.
Compliance Information
RoHS compliant per Microchip product page. Industrial -40C to +85C temperature rating (not automotive AEC-Q100). Lead-free finish confirmed. Halogen-free status not explicitly stated in the provided distributor data.
