This document describes the features and characteristics of Microchip Technology Inc.'s PIC16F627A/628A/648A 8-bit CMOS flash microcontrollers with NanoWatt Technology.
The PIC16F627A/628A/648A series are 18‑pin 8‑bit CMOS flash microcontrollers offering low cost, low power and high performance. They feature a RISC core, 8‑level hardware stack, multiple oscillator options and a rich set of peripherals such as timers, comparators, USART and PWM.
The document provides detailed specifications, pin diagrams, memory organization, electrical characteristics and development support information for the three device variants, helping designers select the right part and implement it in battery‑powered or sensor applications. This manual is written in Chinese.
| Maximum clock frequency | 20 MHz |
|---|---|
| Flash program memory (words) | 1024 / 2048 / 4096 |
| Operating voltage range | 2.0 V – 5.5 V (3.0 V – 5.5 V for some devices) |
| Standby current at 2.0 V | 100 nA (typical) |
The devices operate up to 20 MHz.
Each variant has 16 I/O pins.
Typical standby current is 100 nA when VDD is 2.0 V.