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SN54F251B

Part Number	SN54F251B
Manufacturer	Texas Instruments
Description	1-of-8 Data Selectors/Multiplexers
Published	Dec 22, 2021
Detailed Description	• 3-State Versions of SN54F151B and SN74F151B • 3-State Outputs Interface Directly With System Bus • Performs Parallel-t...
Datasheet	SN54F251B PDF File

Overview

• 3-State Versions of SN54F151B and SN74F151B • 3-State Outputs Interface Directly With System Bus • Performs Parallel-to-Serial Conversion • Complementary Outputs Provide True and Inverted Data • Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs SN54F251B, SN74F251B 1ĆOFĆ8 DATA SELECTORS/MULTIPLEXERS WITH 3ĆSTATE OUTPUTS SDFS066A − MARCH 1987 − REVISED OCTOBER 1993 SN54F251B .
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J PACKAGE SN74F251B .
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D OR N PACKAGE (TOP VIEW) D3 1 D2 2 D1 3 D0 4 Y5 W6 G7 GND 8 16 VCC 15 D4 14 D5 13 D6 12 D7 11 A 10 B 9C description These data selectors/multiplexers contain full binary decoding to select one of eight data sources and feature strobe-controlled complementary outputs.
The 3-state outputs can interface with and drive data lines of busorganized systems.
When the strobe (G) input is high, both outputs are in a high-impedance state in which both the upper and lower transistors of each totem-pole output are of...

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