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WS82C55A-5Q CMOS Programmable peripheral Interface

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Description

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 (Sca.

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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

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