CD74HCT4543E datasheet by Texas Instruments

CD74HCT4543E Frequently Asked Questions (FAQs)

• What is the maximum frequency of operation for the CD74HCT4543E?
  The maximum frequency of operation for the CD74HCT4543E is 40 MHz, but it can vary depending on the specific application and operating conditions.
• How do I ensure signal integrity when using the CD74HCT4543E?
  To ensure signal integrity, use proper PCB layout techniques, such as keeping signal traces short and away from noise sources, using termination resistors, and providing adequate power supply decoupling.
• Can I use the CD74HCT4543E in a 5V system?
  Yes, the CD74HCT4543E is compatible with 5V systems, but it's essential to ensure that the input signals do not exceed the maximum rating of 5.5V to prevent damage to the device.
• What is the power consumption of the CD74HCT4543E?
  The power consumption of the CD74HCT4543E depends on the operating frequency, input signals, and output load. However, the typical quiescent current is around 10 μA, and the dynamic current is around 10 mA at 40 MHz.
• How do I handle thermal issues with the CD74HCT4543E?
  To handle thermal issues, ensure good airflow around the device, use a heat sink if necessary, and avoid operating the device at maximum power dissipation for extended periods.