CD74HCT139M datasheet by Texas Instruments

CD74HCT139M Frequently Asked Questions (FAQs)

• What is the maximum frequency of operation for the CD74HCT139M?
  The maximum frequency of operation for the CD74HCT139M is 40 MHz.
• Can I use the CD74HCT139M with a 5V power supply?
  Yes, the CD74HCT139M is compatible with 4.5V to 5.5V power supply voltage.
• How do I ensure that the CD74HCT139M is properly powered down during shutdown?
  To ensure proper shutdown, connect the VCC pin to a power supply that can be switched off, and use an external pull-down resistor on the enable inputs (E1 and E2) to ensure they are in a defined state during shutdown.
• What is the maximum current that the CD74HCT139M can sink or source?
  The CD74HCT139M can sink or source up to 6mA of current per output.
• Can I use the CD74HCT139M in a high-temperature environment?
  The CD74HCT139M is rated for operation from -40°C to 85°C, but it's recommended to derate the device for high-temperature operation to ensure reliability.