CD54HC4520F3A datasheet by Texas Instruments

CD54HC4520F3A Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the CD54HC4520F3A?
  The recommended operating voltage range for the CD54HC4520F3A is 2V to 6V.
• How do I ensure reliable operation of the CD54HC4520F3A in high-temperature environments?
  To ensure reliable operation in high-temperature environments, it is recommended to derate the device's power consumption and ensure good thermal management, such as using a heat sink or thermal interface material.
• What is the maximum clock frequency supported by the CD54HC4520F3A?
  The maximum clock frequency supported by the CD54HC4520F3A is 25 MHz.
• How do I handle the power-up and power-down sequencing of the CD54HC4520F3A?
  It is recommended to power up the VCC pin before the VDD pin, and power down the VDD pin before the VCC pin to prevent latch-up and ensure reliable operation.
• What is the recommended termination scheme for the CD54HC4520F3A's outputs?
  The recommended termination scheme for the CD54HC4520F3A's outputs is a 10kΩ to 22kΩ pull-up resistor to VCC, depending on the specific application requirements.