Product Summary

DESCRIPTIONThe MSM82C55A-2 is a programmable universal I/O interface device which operates as highspeed and on low power consumption due to 3m silicon gate CMOS technology. It is the bestfit as an I/O port in a system which employs the 8-bit parallel processing MSM80C85AH CPU.This device has 24-bit I/O pins equivalent to three 8-bit I/O ports and all inputs/outputs areTTL interface compatible

Features

High speed and low power consumption due to 3m silicon gate CMOS technology? 3 V to 6 V single power supply? Full static operation? Programmable 24-bit I/O ports? Bidirectional bus operation (Port A)? Bit set/reset function (Port C)? TTL compatible? Compatible with 8255A-5? 40-pin Plastic DIP (DIP40-P-600-2.54): (Product name: MSM82C55A-2RS)? 44-pin Plastic QFJ (QFJ44-P-S650-1.27): (Product name: MSM82C55A-2VJS)? 44-pin Plastic QFP (QFP44-P-910-0.80-2K): (Product name: MSM82C55A-2GS-2K)