82C55A - CMOS Programmable Peripheral Interface

Product Overview

Intersil Corporation

Datasheet Details

Part number	82C55A
Manufacturer	Intersil Corporation
File Size	698.59 KB
Description	CMOS Programmable Peripheral Interface
Datasheet	82C55A Datasheet
Additional preview pages of the 82C55A datasheet.

Product details

Description

SYMBOL TYPE VCC GND D0-D7 RESET I/O I CS I RD WR A0-A1 I I I PA0-PA7 PB0-PB7 PC0-PC7 I/O I/O I/O DESCRIPTION VCC: The +5V power supply pin.A 0.1F capacitor between VCC and GND is recommended for decoupling.GROUND DATA BUS: The Data Bus lines are bidirectional three-state pins connected to the system data bus.RESET: A high on this input clears the control register and all ports (A, B, C) are set to the input mode with the “Bus Hold” circuitry turned on.CHIP SELECT: Chip select is

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).
. . . .10.

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Published: Mar 22, 2005 |