The recommended operating voltage range for the 74VHC139FT is 2.0V to 5.5V.
To ensure reliable operation in high-temperature environments, it is recommended to operate the 74VHC139FT within its specified temperature range (-40°C to 125°C) and to follow proper thermal management practices, such as providing adequate heat sinking and airflow.
The maximum clock frequency supported by the 74VHC139FT is 100 MHz.
When using the 74VHC139FT in a system, it is recommended to sequence power-on and power-off in the following order: VCC, then input signals, then clock signals. This helps to prevent latch-up and ensures reliable operation.
The maximum current rating for the 74VHC139FT's output pins is 8mA.