PIC18LF2510-I/SO - 40MHz 8-bit MCU 32KB Flash 28-SOIC | Microchip
부품 번호: PIC18LF2510-I/SO ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 10 | $5.18 | $51.80 |
| 100 | $4.42 | $442.00 |
| 500 | $3.81 | $1,905.00 |
| 1,000 | $3.34 | $3,340.00 |
PIC18LF2510-I/SO 개요
An 8-bit PIC microcontroller is a single-chip computer built around Microchip's RISC Harvard architecture. The PIC18 family sits between the legacy PIC16 mid-range parts and the 16-bit dsPIC DSC devices, offering 16-bit wide program words, 8-bit data, an 8x8 hardware multiplier, and a 31-level hardware stack. This class of MCU is a hypernym of 'microcontroller' into 'microcontroller IC' into '8-bit MCU' into 'PIC18' into 'PIC18F2x1x'; functionally it remains one of the simplest and lowest-power paths to deterministic embedded firmware. Compared to 32-bit MCUs, PIC18 parts trade raw throughput for predictable interrupt latency, very small code footprint, and decades of stable toolchain support.
The most differentiating electrical features are 32 KB self-programmable Flash, 1536 bytes of SRAM, 256 bytes of EEPROM, 25 mA sink/source per I/O, a 10-bit A/D converter, nanoWatt dynamic power management with multiple idle/sleep states, and on-chip In-Circuit Serial Programming (ICSP) plus In-Circuit Debug (ICD). The 40 MHz oscillator delivers 10 MIPS of throughput, which is sufficient for typical consumer, sensor, and motor-control loops.
The architecture combines a RISC CPU with separate program Flash and data EEPROM buses, an 8-level hardware multiplier for DSP-style operations, and a flexible interrupt controller supporting two priority levels. The advanced peripheral set on the SO-28 pinout exposes USART, MSSP, CCP/ECCP, and comparator modules that map cleanly to common mixed-signal interfaces.
Typical applications include consumer appliance control, HVAC thermostat and sensor interfaces, low-power remote sensor hubs, industrial control logic, USB/HID interface co-processors, and small motor-control boards. The wide 2.0 V-5.5 V range also makes the part well suited to battery-powered or 3.3 V regulated-rail designs.
When designing with the PIC18LF2510-I/SO, plan decoupling on VDD/AVDD/VSS and keep analog reference traces short; the 28-pin SOIC offers larger thermal copper area than SSOP, easing high-current I/O designs and simplifying hand-prototyping compared to QFN equivalents. Engineers evaluating migration paths from PIC16 mid-range parts should note the PIC18's extended instruction set, 16-bit program word, and increased interrupt priority capability.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are stated 'as of 2026-09-28' from current distributor listings and may vary by quantity break.
드롭인 대체품: PIC18LF2510-I/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC18LF2510-I/SO (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Operating Temperature, Core, I/O Pins.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC18F2510-I/SO
✅ 드롭인✓ 재고 있음
$2.9 / 개
데이터시트 보기 →PIC18LF2520-I/SO
✅ 드롭인✓ 재고 있음
$4.47 / 개
데이터시트 보기 →PIC18LF2510-I/ML
✅ 드롭인✓ 재고 있음
$1.85 / 개
데이터시트 보기 →PIC18F2520-I/SO
✅ 드롭인✓ 재고 있음
$4.65 / 개
데이터시트 보기 →PIC18LF2523-I/SO
✅ 드롭인✓ 재고 있음
$2.18 / 개
데이터시트 보기 →PIC18LF2510-I/SO 최대 정격 & 전기적 특성
| Core Architecture | PIC18 RISC 8-bit |
| Program Memory | 32 KB Flash (16K x 16 words) |
| Data SRAM | 1536 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 40 MHz (10 MIPS) |
| 공급 전압 | 2.0 V to 5.5 V |
| 동작 온도 | -40 C to +85 C (industrial) |
| I/O Pins | 25 (28-pin package: 25 digital I/O + 1 input-only) |
| ADC | 10-bit, up to 11 channels |
| Timers | Timer0/1/2/3 (16-bit + 8-bit mix) |
| Communication | USART (EUSART), MSSP (SPI/I2C) |
| PWM Modules | CCP + Enhanced CCP (ECCP) |
| Comparators | 2 on-chip analog comparators |
| Program Memory Type | Flash (self-programmable) |
| 패키지 | 28-pin SOIC (wide body, SO) |
| 실장 유형 | Surface Mount |
| Lead-Free / RoHS | Lead-free, RoHS compliant |
| ICSP / ICD | Yes (In-Circuit Serial Programming + Debug) |
PIC18LF2510-I/SO 핀 구성
| 핀 1 | MCLR/Vpp/RE3 — Master Clear (reset) input / programming voltage / RE3 input-only |
| 핀 2 | RA0/AN0/CVREF — PORTA bit 0 / analog input 0 / comparator voltage reference output |
| 핀 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| 핀 4 | RA2/AN2/VREF- — PORTA bit 2 / analog input 2 / ADC VREF- |
| 핀 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / ADC VREF+ |
| 핀 6 | RA4/T0CKI/C1OUT — PORTA bit 4 / Timer0 clock input / comparator 1 output |
| 핀 7 | RA5/AN4/C2OUT — PORTA bit 5 / analog input 4 / comparator 2 output |
| 핀 8 | Vss — Ground reference |
| 핀 9 | OSC1/CLKI/RA7 — Oscillator input / external clock input / PORTA bit 7 |
| 핀 10 | OSC2/CLKO/RA6 — Oscillator output / clock output / PORTA bit 6 |
| 핀 11 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| 핀 12 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 I/O |
| 핀 13 | RC2/CCP1 — PORTC bit 2 / ECCP1 PWM output |
| 핀 14 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| 핀 15 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| 핀 16 | RC5/SDO — PORTC bit 5 / SPI data out |
| 핀 17 | RC6/TX/CK — PORTC bit 6 / USART async transmit / USART sync clock |
| 핀 18 | RC7/RX/DT — PORTC bit 7 / USART async receive / USART sync data |
| 핀 19 | Vss — Ground reference |
| 핀 20 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| 핀 21 | RB0/INT0/FLT0 — PORTB bit 0 / external interrupt 0 / PWM fault input |
| 핀 22 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| 핀 23 | RB2/INT2 — PORTB bit 2 / external interrupt 2 |
| 핀 24 | RB3/CCP2 — PORTB bit 3 / CCP2 I/O |
| 핀 25 | RB4 — PORTB bit 4 |
| 핀 26 | RB5/PGM — PORTB bit 5 / low-voltage ICSP programming input |
| 핀 27 | RB6/PGC — PORTB bit 6 / ICSP clock input |
| 핀 28 | RB7/PGD — PORTB bit 7 / ICSP data I/O |
일반적인 애플리케이션
PIC18LF2510-I/SO 적합 용도: 6 애플리케이션s: Consumer Appliance Control, HVAC Thermostat & Sensor Interface, Low-Power Remote Sensor Hub, Industrial Control Logic Module, Small Motor-Control Board, USB / HID Interface Co-Processor.
Consumer Appliance Control
The PIC18LF2510-I/SO is well suited to washing-machine, dishwasher, microwave, and small-appliance control boards that need deterministic firmware response and long-term supply stability. Its 10 MIPS of throughput at 40 MHz is sufficient for keypad scanning, LED/LCD multiplexing, relay and triac sequencing, and rotary encoder inputs, while the 32 KB program space absorbs full-feature appliance firmware with margin. The 2.0 V-5.5 V supply range lets the same firmware run on both 3.3 V and 5 V rails, simplifying BOM across product variants. nanoWatt power-management modes reduce standby current when the appliance is idle, helping meet energy-star requirements. Compared to 32-bit MCUs, the PIC18F2x1x family offers a lower cost, longer product-lifecycle commitment, and a much smaller code footprint - all decisive in cost-sensitive consumer designs.
추천
HVAC Thermostat & Sensor Interface
The PIC18LF2510-I/SO integrates 10-bit ADC, analog references, and comparator modules that are well suited to HVAC thermostat and environmental-sensor interface boards. Its 25 digital I/O pins drive LCDs, keypads, relay coils, and triac interfaces without external expanders, while the 11-channel ADC handles temperature, humidity, and pressure sensors with simultaneous sampling. The wide 2.0-5.5 V supply allows direct battery or 24 V rectified-rail operation with simple regulators. nanoWatt idle modes cut standby draw below 1 uA, meeting thermostat battery-life targets. The industrial -40 C to +85 C operating range covers indoor HVAC equipment and unconditioned-space sensor nodes. Compared with newer Cortex-M0 parts, the PIC18 architecture offers simpler toolchain, mature firmware libraries, and lower BOM cost.
추천
Low-Power Remote Sensor Hub
The PIC18LF2510-I/SO's nanoWatt technology and 2.0 V-5.5 V operating range suit battery-powered remote sensor hubs that wake periodically, read a measurement, transmit over UART or SPI, and return to deep sleep. The 1536 bytes of SRAM is enough to buffer a Modbus or LoRaWAN frame without external memory, while the 256-byte EEPROM stores calibration constants across power cycles. The 10-bit ADC, two comparators, and a hardware multiplier let the MCU run sensor linearization and FFT-style pre-processing on chip, offloading the radio co-processor. Industrial temperature rating supports outdoor enclosures and unheated cabinets. Compared with low-power Cortex-M0+ parts, the PIC18 delivers shorter wake latency, smaller code footprint, and Microchip's mature XLP toolchain.
추천
Industrial Control Logic Module
The PIC18LF2510-I/SO's 40 MHz core, USART, MSSP (SPI/I2C) and Enhanced CCP modules suit industrial control logic modules - PLC-style digital input/output expanders, isolated RS-485 gateways, and small motor-driver co-processors. The 32 KB Flash holds typical ladder-logic interpreter firmware, while 1536 bytes of SRAM handles Modbus RTU frame buffering and PID control loop variables. Hardware-capable to ignore transient noise on 24 V industrial inputs via on-chip comparators and timers. The 25-mA sink/source per pin directly drives opto-isolated inputs and small relays without buffers. The wide SOIC-28 footprint simplifies hand-soldering for prototype and low-volume industrial builds, and the industrial -40 C to +85 C temperature grade covers factory-floor environments.
추천
Small Motor-Control Board
The PIC18LF2510-I/SO is appropriate for small brushed-DC and stepper motor-control boards where its Enhanced CCP (ECCP) module generates complementary PWM with programmable dead-band, dead-time control, and fault-input shutdown. The 40 MHz core closes a 10 kHz current-control loop with margin to spare for communication and housekeeping tasks. On-chip comparators support back-EMF sensing for sensorless trapezoidal commutation of small fans and pumps. The 25-mA I/O source/sink directly drives small gate drivers and discrete half-bridges. The industrial temperature rating and 5.5 V supply tolerance cover automotive under-hood and industrial pump applications. Compared with dedicated motor-control MCUs, the PIC18F2x1x offers a lower cost path and a familiar firmware platform for engineers already using MPLAB X.
추천
USB / HID Interface Co-Processor
The PIC18LF2510-I/SO is appropriate as a USB/HID interface co-processor in legacy equipment where a host-side firmware upgrade is undesirable but USB connectivity is mandatory. Its USART and CCP modules implement USB-serial bridges, USB-HID game controllers, or hid-class indicator panels with on-chip ICSP/ICD for field re-flashing. The 32 KB Flash holds full USB stack plus application logic, while 1536 bytes of SRAM supports HID report buffers and CDC-ACM line state machines. The 2.0-5.5 V range lets the part run directly from USB VBUS or 3.3 V regulated rails. Industrial temperature grade and Microchip's mature USB framework shorten time-to-market for retrofit designs. Compared with newer USB-capable Cortex-M0 parts, the PIC18F2x1x offers Microchip's stable USB stack and decades of HID reference code.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC18LF2510-I/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC18F2510-I/SO | PIC18LF2520-I/SO | PIC18LF2510-I/ML | PIC18F2520-I/SO | PIC18LF2523-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC (wide-body SO) | 28-SOIC (wide-body SO) - same | 28-SOIC (wide-body SO) - same | 28-QFN (ML) - same die | 28-SOIC (wide-body SO) - same | 28-SOIC (wide-body SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | PIC18 8-bit RISC | PIC18 8-bit RISC | PIC18 8-bit RISC | PIC18 8-bit RISC | PIC18 8-bit RISC | PIC18 8-bit RISC |
| Program Flash | 32 KB (16K x 16) | 32 KB (16K x 16) - same | 32 KB (16K x 16) - same | 32 KB (16K x 16) - same | 32 KB (16K x 16) - same | 32 KB - same family |
| Maximum CPU Speed | 40 MHz (10 MIPS) | 40 MHz - same | 40 MHz - same | 40 MHz - same | 40 MHz - same | 40 MHz - same |
| Supply Voltage | 2.0 V to 5.5 V | 4.2 V to 5.5 V (standard F) | 2.0 V to 5.5 V - same | 2.0 V to 5.5 V - same | 4.2 V to 5.5 V (standard F) | 2.0 V to 5.5 V - similar |
| I/O Pins | 25 | 25 - same | 25 - same | 25 - same | 25 - same | 25 - same |
| ADC | 10-bit, 11 channels | 10-bit, 11 channels - same | 10-bit, 11 channels - same | 10-bit, 11 channels - same | 10-bit, 11 channels - same | 10-bit, 12 channels - enhanced |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
주요 차별점
- Low-voltage 2.0 V to 5.5 V operation across full 40 MHz range (vs PIC18F2510-I/SO)
- Same 32 KB Flash and 1536 SRAM as PIC18F2510 in low-voltage envelope (vs PIC18F2520-I/SO)
- Wide-body SOIC package simplifies hand-prototyping (vs PIC18LF2510-I/ML (QFN-28))
- 10 MIPS throughput with deterministic interrupt latency (vs 32-bit Cortex-M0 MCUs in the same price tier)
설계 노트
Decouple each VDD pin (pin 20) with a 100 nF ceramic capacitor placed as close to the IC as possible; add a bulk 10 uF tantalum or aluminum-polymer capacitor at the supply entry point for transient load handling. The PIC18LF2510 also requires a clean analog supply if the ADC is in use - place a separate 100 nF cap on the AVdd-equivalent rail and consider a small ferrite bead between digital and analog VDD to suppress MCU switching noise. nanoWatt modes (Sleep, Idle) reduce quiescent current but require the on-chip voltage regulator's bulk capacitor to retain enough charge for clean wake-up; verify that the bulk capacitor meets the datasheet's minimum ESR specification.
Route the ICSP/ICD pins (RB6/PGC, RB7/PGD, MCLR/Vpp) to a dedicated 5-pin header or test pad pattern so the board can be programmed and debugged in-circuit; Microchip's MPLAB ICD 4 and PICkit 5 both expect these pins accessible. Keep the MCLR pull-up (typically 10 kOhm) close to the MCU, and route the ICSP signals away from analog signals and high-current switching traces to avoid noise coupling into the programming interface. The 28-SOIC package has adequate thermal copper area for hand-prototyping; ensure the SOIC land pattern uses the standard 1.27 mm pitch recommended by Microchip.
Do not assume the PIC18LF2510 and PIC18F2510 share the same Vdd/clock envelope - the LF variant operates from 2.0 V across the full 40 MHz range, while the F variant requires at least 4.2 V for full speed. When migrating firmware between LF and F parts, verify the CONFIG words (oscillator, brown-out, watchdog) match the target part or the MCU may fail to start. The 28-pin SOIC variant omits some analog channels available on the 40-pin PIC18F2510 - confirm pin count requirements before substituting the SOIC-28 for a 40-pin DIP/PLCC design. Lastly, the LF2510 does not include a USB peripheral; designs that need USB connectivity should select the PIC18LF14K50 or PIC18F4550 family instead.
The PIC18LF2510's 10-bit ADC is sensitive to digital switching noise on VDD - keep the analog reference pins (RA3/VREF+, RA2/VREF-) short and bypassed with 100 nF capacitors. When using the on-chip comparators for sensor interfaces, route the comparator input pins (RA0-RA5) away from PWM outputs (RC1/CCP2, RC2/CCP1) to minimize capacitive coupling. For SPI or I2C bus runs longer than 50 mm, add 4.7 kOhm pull-ups on SCL/SDA and series resistors near the MCU to dampen reflections. The MSSP module supports both 100 kHz Standard and 400 kHz Fast I2C modes - verify the chosen pull-up resistor values can meet the rise-time specification for the selected bus speed.
규정 준수 정보
RoHS compliant per Microchip product environmental compliance information. Not AEC-Q100 qualified - automotive applications should select AEC-Q100 qualified variants from the PIC18 K-family. Lead-free and halogen-free per Microchip material declaration.
