Datasheet Summary
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 patible
- 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...