82C55A interface equivalent, cmos programmable peripheral interface.
* 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 80.
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 diffe.
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