Datasheet Summary
SN54HCT139, SN74HCT139
SCLS066E
- MARCH 1982
- REVISED AUGUST 2022
Dual 2-Line To 4-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 = 10 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 two enable inputs to simplify cascading and/or data reception
2 Description
The ’HCT139 devices are designed for highperformance memory-decoding or data-routing applications requiring very short propagation delay times.
Device...