WS82C55A-5Q Datasheet (Wing Shing Computer Components) - CMOS Programmable peripheral Interface

WS82C55A-5Q, CMOS Programmable peripheral Interface

The WS82C55A 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 may b

WS82C55A-5Q Features

* Pin Compatible with NMOS 8255A

* 24 Programmable I/O Pins

* Fully TTL Compatible

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

* Direct Bit Set/Reset Capability

* Enhanced Control Word Read Capability

* L7 Process