UM82C55A CMOS PROGRMMABLE PERIPHERAL INTERFACE

UMC

Description

SUMO UM82C55A CMOS Programmable Peripheral Interface .
The UM82C55A is a high performance CMOS version of the industry standard 8255A and is manufactured using a selfaligned silicon gate CMOS process.

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Datasheet Specifications

Part number: UM82C55A
Manufacturer: UMC
File Size: 718.23 KB
Datasheet: UM82C55A_UMC.pdf
Description: CMOS PROGRMMABLE PERIPHERAL INTERFACE

Features

* Pin compatible with NMOS 8255A
* 24 programmable I/O pins
* Fully TTL compatible
* Bus-hold circuitry on all I/O ports eliminates pull-up resistors
* High speed, no "wait state" operation with 8M Hz 80C86
* Direct bit set/reset capabi lity

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UM82C55A CMOS PROGRMMABLE PERIPHERAL INTERFACE UMC

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