Part Number : 82C55A


Package : 40-pin DIP and 44-pin type

Maker : Intel

Pinouts :
82C55A datasheet

Description :

The Intel 82C55A is a high-performance, CHMOS version of the industry standard 8255A general purpose programmable I/O device which is designed for use with all Intel and most other microprocessors. It provides 24 I/O pins which may be individually programmed in 2 groups of 12 and used in 3 major modes of operation. The 82C55A is pin compatible with the NMOS 8255A and 8255A-5.

The device is available in 40-pin DIP and 44-pin plastic leaded chip carrier (PLCC) packages.

Block Diagram

Features : 

1. Compatible with all Intel and Most Other Microprocessors

2. 24 Programmable I/O Pins

3. Low Power CHMOS

4. Completely TTL Compatible

5. Control Word Read-Back Capability

Datasheet PDF Download :
82C55A pdf

Others datasheet of same file : 82C55


2021/05/21 21:30 2021/05/21 21:30