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74LS251

Part Number	74LS251
Manufacturer	Fairchild Semiconductor
Description	3-STATE 1-of-8 Line Data Selector/Multiplexer
Published	Apr 23, 2005
Detailed Description	DM74LS251 3-STATE 1-of-8 Line Data Selector/Multiplexer August 1986 Revised March 2000 DM74LS251 3-STATE 1-of-8 Line D...
Datasheet	74LS251 PDF File

Overview

DM74LS251 3-STATE 1-of-8 Line Data Selector/Multiplexer August 1986 Revised March 2000 DM74LS251 3-STATE 1-of-8 Line Data Selector/Multiplexer General Description These data selectors/multiplexers contain full on-chip binary decoding to select one-of-eight data sources, and feature a strobe-controlled 3-STATE output.
The strobe must be at a low logic level to enable these devices.
The 3STATE outputs permit direct connection to a common bus.
When the strobe input is HIGH, both outputs are in a highimpedance state in which both the upper and lower transistors of each totem-pole output are OFF, and the output neither drives nor loads the bus significantly.
When the strobe is LOW, the outputs ...

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