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82C89 - CMOS Bus Arbiter

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82C89 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

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