PIC16LF88-I/P - 8-Bit 10MHz 7KB Flash MCU 18-PDIP | Microchip
부품 번호: PIC16LF88-I/P ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $4.12 | $4.12 |
| 10 | $3.74 | $37.40 |
| 100 | $3.2 | $320.00 |
| 500 | $2.78 | $1,390.00 |
| 1,000 | $2.41 | $2,410.00 |
PIC16LF88-I/P 개요
What is a PIC16 microcontroller? The PIC16F family is a class of 8-bit RISC microcontrollers from Microchip Technology based on the Harvard architecture. PIC MCUs execute instructions in a single cycle (200 ns at 10 MHz) using a reduced instruction set of only 35 single-word instructions, which makes them deterministic, easy to program, and well suited for embedded control. PIC MCUs are categorized within the broader hierarchy: microcontroller -> 8-bit MCU -> RISC MCU -> embedded processor -> semiconductor. The PIC16LF88 sits in the enhanced mid-range sub-family with a 14-bit instruction word and 8-bit data path.
Key features of the PIC16LF88 include nanoWatt Technology for power-managed sleep modes, a 10-channel 10-bit Analog-to-Digital Converter (ADC), two analog comparators, a USART module for serial communication, an MSSP module for SPI and I2C, a capture/compare/PWM (CCP) module, an enhanced CCP (ECCP) module, and 16 digital I/O pins with individual direction control. Internal oscillator options support operation without external crystals, and the device is in-circuit serial programmable (ICSP) for field firmware updates.
The PIC16LF88 uses CMOS Flash technology with a 14-bit instruction word, 8-bit data bus, and a two-stage pipeline that overlaps fetch and execute to achieve single-cycle throughput for most instructions. The integrated nanoWatt power management provides multiple idle and sleep modes, a watchdog timer with on-chip RC oscillator, and a fail-safe clock monitor for industrial-grade reliability. The 256-byte data EEPROM allows non-volatile storage of calibration data, settings, and run-time parameters separate from the main Flash program memory.
Typical applications include industrial sensor interfaces, low-power remote control units, battery-powered instrumentation, HVAC control nodes, small appliances with user interface, automotive body electronics subsystems (non-safety), home automation endpoints, and educational/hobbyist embedded platforms. The wide operating voltage and low-power nanoWatt modes also make it suitable for solar or energy-harvesting edge devices. Designers also use this MCU as an upgrade path from older PIC16C5X, PIC16C62xA, PIC16C7x, and PIC12CXXX designs because the PIC16LF88 maintains upward source-code compatibility.
When designing with the PIC16LF88, ensure the Vdd decoupling capacitor (typically 0.1 uF ceramic) is placed within 5 mm of the Vdd pin, and that MCLR is pulled high through a 10 kohm resistor for normal operation. Program the configuration bits explicitly to select the desired oscillator source and watchdog behavior, because the ICSP programming tool cannot override configuration bit settings after they are written to the device.
This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes for the PIC16LF88-I/P that go beyond what the manufacturer datasheet alone provides, helping embedded engineers evaluate sourcing options and accelerate board bring-up.
드롭인 대체품: PIC16LF88-I/P — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16LF88-I/P (동일 폼 팩터 및 풋프린트) — 차이점: Package, Timers, Core Architecture, Internal Oscillator, ADC.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F88-I/P
✅ 드롭인✓ 재고 있음
$2.61 / 개
데이터시트 보기 →PIC16LF87-I/P
✅ 드롭인✓ 재고 있음
$4.78 / 개
데이터시트 보기 →PIC16LF88-I/P 최대 정격 & 전기적 특성
| Core Processor | PIC16F |
| Core Size | 8-Bit |
| Max CPU Speed | 20 MHz (10 MIPS) |
| Instruction Set | 35 single-word instructions (14-bit) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 368 bytes |
| Data EEPROM | 256 bytes |
| I/O Pins | 16 |
| ADC | 10-bit, 7 channels |
| Supply Voltage (Vdd) | 2.0 V to 5.5 V |
| 동작 온도 | -40 C to +85 C (industrial) |
| 패키지 | 18-PDIP (0.300 inch, 7.62 mm) |
| 실장 유형 | Through Hole |
| Communication Interfaces | USART, SPI, I2C (MSSP) |
| PWM Modules | 1 CCP + 1 ECCP |
| Comparators | 2 analog comparators |
| Timers | 3 (Timer0, Timer1, Timer2) |
| Oscillator | Internal 8 MHz + external crystal support |
| Programming | ICSP (In-Circuit Serial Programming) |
| RoHS 상태 | Compliant |
PIC16LF88-I/P 핀 구성
| 핀 1 | MCLR/Vpp/RA5 — Master Clear (reset) input / ICSP programming voltage / PORTA bit 5 |
| 핀 2 | RA0/AN0 — PORTA bit 0 / Analog input channel 0 |
| 핀 3 | RA1/AN1 — PORTA bit 1 / Analog input channel 1 |
| 핀 4 | RA2/AN2/Vref- — PORTA bit 2 / Analog input channel 2 / ADC negative reference |
| 핀 5 | RA3/AN3/Vref+ — PORTA bit 3 / Analog input channel 3 / ADC positive reference |
| 핀 6 | RA4/AN4/T0CKI — PORTA bit 4 / Analog input channel 4 / Timer0 clock input |
| 핀 7 | RA5/SS/AN5 — PORTA bit 5 / SPI slave select / Analog input channel 5 |
| 핀 8 | OSC2/CLKO/RA6 — Oscillator output / Clock output / PORTA bit 6 |
| 핀 9 | OSC1/CLKI/RA7 — Oscillator input / Clock input / PORTA bit 7 |
| 핀 10 | Vss — Ground reference |
| 핀 11 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| 핀 12 | RB0/INT — PORTB bit 0 / External interrupt input |
| 핀 13 | RB1 — PORTB bit 1 |
| 핀 14 | RB2 — PORTB bit 2 |
| 핀 15 | RB3/PGM — PORTB bit 3 / Low-voltage ICSP programming entry |
| 핀 16 | RB4 — PORTB bit 4 (interrupt-on-change) |
| 핀 17 | RB5 — PORTB bit 5 (interrupt-on-change) |
| 핀 18 | RB6/PGC — PORTB bit 6 / ICSP clock input (interrupt-on-change) |
일반적인 애플리케이션
PIC16LF88-I/P 적합 용도: 6 애플리케이션s: Industrial Sensor Interface Node, Battery-Powered Remote Control Unit, HVAC Control Module, Home Automation Endpoint, Small Appliance User Interface, Educational and Hobbyist Embedded Platform.
Industrial Sensor Interface Node
The PIC16LF88-I/P is well-suited as an industrial sensor interface node because its 2.0 V-5.5 V operating range accommodates both 3.3 V and 5 V sensor rails while its 7-channel 10-bit ADC captures analog signals from temperature, pressure, or flow transducers. Its nanoWatt Technology provides sub-microamp sleep current for battery or energy-harvest powered wireless sensor nodes. The USART and MSSP modules handle RS-485 or I2C sensor networks, and the 16 I/O pins drive status LEDs and control relays. Operate the MCU at 4 MHz from the internal 8 MHz oscillator to balance throughput with power budget.
추천
Battery-Powered Remote Control Unit
In a battery-powered remote control, the PIC16LF88-I/P delivers long battery life through nanoWatt sleep modes drawing under 1 uA while idle, plus its wide 2.0 V-5.5 V operation lets it run directly from two AA cells down to 2.0 V without boost conversion. The ECCP module generates IR carrier PWM for consumer-electronics control, while the USART supports bidirectional feedback channels. Wake-on-change interrupts on PORTB pins provide instant response to user button presses. Program the configuration bits for internal LF oscillator to minimize external component count and BOM cost in a compact handheld enclosure.
추천
HVAC Control Module
The PIC16LF88-I/P functions as a low-cost HVAC zone controller where its industrial -40 C to +85 C temperature range handles equipment-room environments. The 7-channel 10-bit ADC reads thermistor temperature sensors and pressure transducers, and the comparator module directly monitors line-voltage zero-crossing signals without extra components. The ECCP PWM module drives TRIAC phase-angle control for fan motor speed regulation. RS-485 via the USART links the controller to a central building automation network, while ICSP programming allows field firmware updates during commissioning.
추천
Home Automation Endpoint
For smart-home endpoints (light controllers, door sensors, smart thermostats), the PIC16LF88-I/P offers enough Flash (7 KB) to run Z-Wave, LoRa, or proprietary RF stacks on small node firmware, while its nanoWatt modes keep quiescent current below 5 uA for multi-year coin-cell operation. The MSSP module interfaces SPI-based sub-GHz transceivers or I2C sensors like accelerometers and ambient light sensors. The internal 8 MHz oscillator eliminates external crystals, reducing BOM cost for high-volume consumer products. The 256-byte EEPROM stores calibration data and last-state settings across power cycles.
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Small Appliance User Interface
Coffee makers, toaster ovens, and small kitchen appliances benefit from the PIC16LF88-I/P's combination of 16 I/O pins to drive 7-segment LED displays, button matrices, and buzzer feedback. The ECCP module provides dimming control for indicator LEDs, while the ADC reads temperature probes and humidity sensors. The wide 2.0 V-5.5 V range lets designers power the MCU directly from a 5 V rectified supply without a separate regulator. The 7 KB Flash holds user-interface state machines and safety monitoring code while leaving headroom for product feature differentiation.
추천
Educational and Hobbyist Embedded Platform
The PIC16LF88-I/P is a strong choice for educational labs and hobbyist projects because its 18-pin PDIP form factor fits standard breadboards and IC sockets, and its ICSP programming interface allows firmware updates without removing the chip. The 35-instruction RISC architecture is teachable in a single lab session, and the generous 7 KB Flash accommodates non-trivial student projects including PID motor control, I2C peripheral drivers, and interrupt-driven state machines. The internal oscillator and on-chip peripherals (USART, ADC, PWM) eliminate external components, letting learners focus on software rather than hardware bring-up.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16LF88-I/P — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F88-I/P | PIC16LF87-I/P | PIC16LF88-I/SO |
|---|---|---|---|---|
| Package | 18-PDIP | 18-PDIP (same) | 18-PDIP (same) | SOIC-18 (different package, same die) |
| Brand | Microchip Technology | Microchip Technology (same) | Microchip Technology (same) | Microchip Technology (same) |
| Operating Voltage (Vdd) | 2.0 V to 5.5 V | 4.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Program Memory (Flash) | 7 KB | 7 KB | 4 KB | 7 KB |
| Data SRAM | 368 B | 368 B | 368 B | 368 B |
| Data EEPROM | 256 B | 256 B | 256 B | 256 B |
| I/O Pins | 16 | 16 | 16 | 16 |
| ADC Channels | 7 x 10-bit | 7 x 10-bit | 5 x 10-bit | 7 x 10-bit |
| Max CPU Speed | 20 MHz / 10 MIPS | 20 MHz / 10 MIPS | 20 MHz / 10 MIPS | 20 MHz / 10 MIPS |
| Industrial Temp Range | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
주요 차별점
- Lower minimum operating voltage than PIC16F88-I/P (vs PIC16F88-I/P)
- More Flash memory than PIC16LF87-I/P (vs PIC16LF87-I/P)
- Through-hole PDIP form factor for prototyping (vs PIC16LF88-I/SO)
설계 노트
Place a 0.1 uF ceramic decoupling capacitor within 5 mm of the Vdd pin (pin 11) and another 0.1 uF near Vss (pin 10) to suppress digital switching noise. For battery applications, the PIC16LF88's nanoWatt sleep modes drop current to under 1 uA with the watchdog disabled, but adding a 10 uF bulk capacitor on Vdd helps sustain voltage during high-current ADC acquisition bursts. Estimated: at 20 MHz and 5 V Vdd the active current is approximately 7 mA; at 32 kHz from Timer1 it falls below 20 uA.
Route the ICSP signals PGD2 (pin 18) and PGC2 (pin 17) away from high-current switching traces and analog sensor traces to avoid coupling noise into the programming interface. Keep MCLR (pin 1) trace short and connect it through a 10 kohm pull-up resistor to Vdd; if MCLR is left floating the device can intermittently reset in noisy environments. Use a ground pour on the bottom layer stitched with vias at regular intervals around the MCU to provide a low-impedance return path.
Do not forget to program the CONFIG1 and CONFIG2 configuration bits explicitly during ICSP programming; if left at default, the watchdog timer may be enabled and cause unexpected resets, or the oscillator may default to a configuration that does not match your hardware. Always specify the oscillator mode (HS, XT, LP, INTRC) and disable code protection unless your production process requires it. When migrating from PIC16F88 to PIC16LF88, verify Vdd stays above 4.0 V for full-speed 20 MHz operation, as the LF variant's lower Vdd limit reduces guaranteed performance at lower voltages.
When using the analog ADC inputs (AN0-AN5), add a 100 ohm series resistor and 10 nF capacitor on each analog trace to form a low-pass filter that rejects RF noise above the ADC's Nyquist bandwidth. Source impedance above 10 kohm degrades ADC accuracy, so use op-amp buffers (such as MCP6002) for high-impedance sensors. Estimated: with a 10 kohm source impedance and the internal 5 pS sample-and-hold capacitor, expect approximately 0.5 LSB of additional error if no buffer is used.
규정 준수 정보
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive applications use PIC16F88-I/P automotive-grade variants. Lead-free and halogen-free per Microchip environmental compliance documentation.
