82C89 - CMOS Bus Arbiter

Product Overview

Renesas

Datasheet Details

Part number	82C89
Manufacturer	Renesas
File Size	717.73 KB
Description	CMOS Bus Arbiter
Datasheet	82C89 Datasheet
Additional preview pages of the 82C89 datasheet.

Product details

Description

PIN SYMBOL NUMBER TYPE DESCRIPTION VCC GND 20 10 VCC: The +5V Power supply pin.A 0.1F capacitor between pins 10 and 20 is recommended for decoupling.GROUND.S0, S1, S2 1, 18-19 I STATUS INPUT PINS: The status input pins from an 80C86, 80C88 or 8089 processor.The 82C89 decodes these pins to initiate bus request and surrender actions.(See Table 1).CLK 17 I CLOCK: From the 82C84A or 82C85 clock chip and serves to establish when bus arbiter actions are initiated.LOCK 16 I LOCK: A pr

Features

Pin Compatible with Bipolar 8289.
Performance Compatible with: - 80C86/80C88.
(5/8MHz).
Provides Multi-Master System Bus Control and Arbitration.
Provides Simple Interface with 82C88/8288 Bus Controller.
Synchronizes 80C86/8086, 80C88/8088 Processors with Multi-Master Bus.
Bipolar Drive Capability.
Four Operating Modes for Flexible System Configuration.
Low Power Operation - ICCSB.

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Other Datasheets by Renesas

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Published: Jun 3, 2020 |