SN74HCT139 Overview
The ’HCT139 devices are designed for highperformance memory-decoding or data-routing applications requiring very short propagation delay times. Pin numbers shown are for the D, DB, J, N, PW, and W packages. Logic Diagram (Positive Logic) An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important...
SN74HCT139 Key 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
- Incorporate two enable inputs to simplify