CD74HC4002PW datasheet by Texas Instruments

CD74HC4002PW Frequently Asked Questions (FAQs)

• What is the maximum frequency of operation for CD74HC4002PW?
  The maximum frequency of operation for CD74HC4002PW is 25 MHz, but it can vary depending on the specific application and operating conditions.
• How do I handle the power-up and power-down sequencing for CD74HC4002PW?
  It is recommended to power up the VCC pin before the input signals and power down the VCC pin after the input signals to prevent unwanted output states.
• What is the recommended operating voltage range for CD74HC4002PW?
  The recommended operating voltage range for CD74HC4002PW is 2V to 6V, but it can operate from 1.5V to 7V with reduced performance.
• How do I ensure noise immunity and signal integrity when using CD74HC4002PW?
  Use proper PCB layout techniques, such as separating analog and digital signals, using ground planes, and adding decoupling capacitors to ensure noise immunity and signal integrity.
• Can I use CD74HC4002PW in a 3.3V or 5V system?
  Yes, CD74HC4002PW can be used in both 3.3V and 5V systems, but the output voltage levels will be dependent on the supply voltage.