SN74HC251 Datasheet Data Selectors/multiplexers

Manufacturer: Texas Instruments

Overview: SN54HC251, SN74HC251 SCLS132F – DECEMBER 1982 – REVISED FEBRUARY 2022 SNx4HC251 Data Selectors/Multiplexers With 3-State Outputs.

Datasheet Details

Part number	SN74HC251
Manufacturer	Texas Instruments
File Size	1.57 MB
Description	Data Selectors/Multiplexers
Datasheet	SN74HC251-etcTI.pdf

The SNx4HC251 is a data selector/multiplexer containing full binary decoding to select 1of-8 data sources and

3-state version of ’HC151.
Wide operating voltage range of 2 V to 6 V.
High-current 3-state outputs interface directly with system bus or can drive up to 15 LSTTL loads.
Low power consumption, 80-μA max ICC.
Typical tpd = 9 ns.
±6-mA output drive at 5 V.
Low input current of 1 μA max.
Perform parallel-to-serial conversion.
Complementary outputs provide true and inverted data 2.

Part Number	Description
SN74HC251D	Data Selectors/Multiplexers
SN74HC251N	Data Selectors/Multiplexers
SN74HC253	Dual 4-Line To 1-Line Data Selectors/Multiplexers
SN74HC253-EP	Dual 4-Line To 1-Line Data Selectors/Multiplexers
SN74HC253-Q1	Dual 4-Line To 1-Line Data Selectors/Multiplexers
SN74HC253D	Dual 4-Line To 1-Line Data Selectors/Multiplexers
SN74HC253N	Dual 4-Line To 1-Line Data Selectors/Multiplexers
SN74HC257	QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74HC257N	QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74HC258	QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS