This document is a data sheet for the PIC16F631/677/685/687/689/690 20-pin 8-bit CMOS flash microcontroller produced by Microchip Technology Inc. The data sheet provides technical specifications and application information for the product.
This document is a datasheet for the PIC16F631/677/685/687/689/690 series of 20-pin 8-bit CMOS Flash microcontrollers manufactured by Microchip Technology Inc. It details the device features, including a high-performance RISC CPU, various peripherals such as timers, comparators, and analog-to-digital converters, and specific memory configurations for each model in the series.
The datasheet covers electrical characteristics, pin descriptions, and functional blocks. It specifies that the devices operate with a wide voltage range of 2.0V to 5.5V and feature a high-durability Flash memory with a write endurance of up to 100,000 cycles and data retention greater than 40 years. This manual is written in Chinese.
| Operating Voltage Range | 2.0V-5.5V |
|---|---|
| Flash Memory Write Endurance | 100,000 次 |
| EEPROM Write Endurance | 1,000,000 次 |
| Data Retention | > 40年 |
| Number of I/O Pins | 17 |
The devices support a wide operating voltage range from 2.0V to 5.5V.
The Flash memory has a write endurance of up to 100,000 cycles.
The data retention period for both Flash and EEPROM is greater than 40 years.