Product Summary

The P8255A-5 is a general purpose programmable I/O device designed for use with intel microprocessors. It has 24 I/O pins which may be individually programmed in 2 groups of 12 and used in 3 major modes of operation.

Parametrics

P8255A-5 absolute maximum ratings: (1)ambient temperature under bias: 0 to 70℃; (2)storage tempeature: -65 to 150℃; (3)voltage on any pin with respect to ground: -0.5 to 7V; (4)power dissipation: 1Watt.

Features

P8255A-5 features: (1)MCS-85 compatible; (2)24 programmable I/O pins; (3)completely TTL compatible; (4)fully compatible with intel microprocessor families; (5)improved timing characteristics; (6)direct bit set/reset capability easing control application interface; (7)reduces system package count; (8)improved DC driving capability; (9)available in EXPRESS; (10)40 pin DIP package.

Diagrams

P8255A-5 block diagram