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DS8640

Part Number	DS8640
Manufacturer	National Semiconductor
Description	Quad NOR Unified Bus Receiver
Published	Nov 6, 2017
Detailed Description	DS7640 DS8640 Quad NOR Unified Bus Receiver February 1996 DS7640 DS8640 Quad NOR Unified Bus Receiver General Descrip...
Datasheet	DS8640 PDF File

Overview

DS7640 DS8640 Quad NOR Unified Bus Receiver February 1996 DS7640 DS8640 Quad NOR Unified Bus Receiver General Description The DS7640 and DS8640 are quad 2-input receivers designed for use in bus organized data transmission systems interconnected by terminated 120X impedance lines The external termination is intended to be 180X resistor from the bus to the a5V logic supply together with a 390X resistor from the bus to ground The design employs a built-in input threshold providing substantial noise immunity Low input current allows up to 27 driver receiver pairs to utilize a common bus Features Y Low input current with normal VCC or VCC e 0V (30 mA typ) Y High noise immunity (1 1V typ) Y T...

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