SN54HCT138, SN74HCT138 SCLS171F – MARCH 1984 – REVISED MARCH 2022 SNx4HCT138 3-Line to 8-Line Decoders/Demultiplexers 1 Features • Operating voltage range of 4.
5 V to 5.
5 V • Outputs can drive up to 10 LSTTL loads • Low power consumption, 80-µA max ICC • Typical tpd = 17 ns • ±4-mA output drive at 5 V • Low input current of 1 µA max • Inputs are TTL-Voltage compatible • Designed specifically for high-speed memory decoders and data transmission systems • Incorporate three enable inputs to simplify cascading and/or data reception 2 Description The ’HCT138 devices are designed for highperformance memory-decoding or data-routing applications requiring very short propagation delay times.
In hi...

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