CD74ACT00E datasheet by Texas Instruments

CD74ACT00E Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the CD74ACT00E?
  The maximum operating frequency of the CD74ACT00E is typically around 100 MHz, but it can vary depending on the specific application and operating conditions.
• How do I handle the power-up and power-down sequencing of the CD74ACT00E?
  It is recommended to power up the VCC pin before applying any input signals, and to power down the VCC pin after removing all input signals. This helps to prevent any unwanted latch-up or damage to the device.
• What is the recommended termination scheme for the CD74ACT00E?
  The recommended termination scheme for the CD74ACT00E is to use a 50-ohm termination resistor at the output of each gate, and to connect the resistor to a quiet power supply rail (e.g. VCC or GND). This helps to reduce signal reflections and improve signal integrity.
• Can I use the CD74ACT00E in a 3.3V system?
  Yes, the CD74ACT00E can be used in a 3.3V system, but it is recommended to check the voltage tolerance of the device and ensure that it meets the required specifications. Additionally, the output voltage levels may need to be adjusted to ensure compatibility with 3.3V logic levels.
• How do I handle the thermal management of the CD74ACT00E?
  The CD74ACT00E is a surface-mount device, and as such, it is recommended to use a thermal pad or heat sink to dissipate heat generated by the device. The thermal pad should be connected to a quiet power supply rail (e.g. VCC or GND) to prevent electrical noise.