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The Intersil 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 may be individually programmed in 2 groups of 12 and used in 3 major modes of operation. The high performance and industry standard configuration of the 82C55A make it compatible with the 80C86, 80C88 and other microprocessors.

Features

? Pb-Free Plus Anneal Available (RoHS Compliant) (See Ordering Info)

? 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

? 2.5mA Drive Capability on All I/O Ports

? Low Standby Power (ICCSB) . . . . . . . . . . . . . . . . . . .10μA