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74ALS257

Part Number	74ALS257
Manufacturer	NXP
Description	Data selector/multiplexer
Published	Apr 3, 2005
Detailed Description	INTEGRATED CIRCUITS 74ALS257/74ALS258 Data selector/multiplexer Product specification IC05 Data Handbook 1991 Feb 08 P...
Datasheet	74ALS257 PDF File

Overview

INTEGRATED CIRCUITS 74ALS257/74ALS258 Data selector/multiplexer Product specification IC05 Data Handbook 1991 Feb 08 Philips Semiconductors Philips Semiconductors Product specification Data selector/multiplexer 74ALS257 Quad 2-input data selector, non-inverting (3-State) 74ALS258 Quad 2-input data selector, inverting (3-State) DESCRIPTION The 74ALS257 is a quad 2-input multiplexer which selects 4 bits of data from one of two sources under the control of a common select input (S).
The output enable input (OE) is active when Low.
When OE is High, all of the outputs (Yn) are forced to a High impedance state (3-State) regardless of all other input conditions.
Moving data from two registers ...

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