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SN54HC253, SN74HC253
SCLS133F – DECEMBER 1982 – REVISED FEBRUARY 2022
SNx4HC253 Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs
1 Features
• 3-State version of ’HC153 • Wide operating voltage range of 2 V to 6 V • High-current inverting outputs 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 • Permit multiplexing from n lines to one line • Perform parallel-to-serial conversion
2 Description
The SNx4HC253 devices contain two independent data selectors/multiplexers with full binary decoding to select 1-of-4 data sources and features strobecontrolled (OE) 3-state outputs.