Product Summary

The M82C55A-2 is a programmable universal I/O interface device which operates as high speed and on low power consumption due to 3m silicon gate CMOS technology. It is the best fit as an I/O port in a system which employs the 8-bit parallel processing MSM80C85AH CPU. The M82C55A-2 has 24-bit I/O pins equivalent to three 8-bit I/O ports and all inputs/outputs are TTL interface compatible.

Parametrics

M82C55A-2 absolute maximum ratings: (1)Supply Voltage, VCC: –0.5 to +7 V; (2)Input Voltage, VIN: –0.5 to VCC +0.5 V; (3)Output Voltage, VOUT: –0.5 to VCC +0.5 V; (4)Storage Temperature, TSTG: -55 to 150℃; (5)Power Dissipation, PD: 0.7 W.

Features

M82C55A-2 features: (1)High speed and low power consumption due to 3m silicon gate CMOS technology; (2)3 V to 6 V single power supply; (3)Full static operation; (4)Programmable 24-bit I/O ports; (5)Bidirectional bus operation (Port A); (6)Bit set/reset function (Port C); (7)TTL compatible; (8)Compatible with 8255A-5.

Diagrams

M82C55A-2 circuit configuration

M82C288
M82C288

Other


Data Sheet

Negotiable 
M82C53-2
M82C53-2

Other


Data Sheet

Negotiable