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SN54HC251, SN74HC251
SCLS132F – DECEMBER 1982 – REVISED FEBRUARY 2022
SNx4HC251 Data Selectors/Multiplexers With 3-State Outputs
1 Features
• 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 Description
The SNx4HC251 is a data selector/multiplexer containing full binary decoding to select 1of-8 data sources and features strobe-controlled complementary 3-state outputs.
SN54HC251 Datasheet
