MD82C55A-5 Datasheet (Harris) - CMOS Programmable Peripheral Interface

MD82C55A-5, CMOS Programmable Peripheral Interface

The Harris 82C55A is a high performance CMOS version of the industry standard 8255A and is manufactured using a self-aligned silicon gate CMOS process (Scaled SAJI IV).

It is a general purpose programmable I/O device which may be used with many different microprocessors.

There are 24 I/O pins which

MD82C55A-5 Features

* Pin Compatible with NMOS 8255A

* 24 Programmable I/O Pins

* Fully TTL Compatible

* High Speed, No “Wait State” Operation with 5MHz and 8MHz 80C86 and 80C88

* Direct Bit Set/Reset Capability

* Enhanced Control Word Read Capability

* L7 Process