CD74HC4015M datasheet by Texas Instruments

CD74HC4015M Frequently Asked Questions (FAQs)

• What is the maximum frequency of operation for the CD74HC4015M?
  The maximum frequency of operation for the CD74HC4015M is 10 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 the CD74HC4015M?
  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 proper operation.
• What is the recommended operating voltage range for the CD74HC4015M?
  The recommended operating voltage range for the CD74HC4015M is 2V to 6V, but it can operate down to 1.5V with reduced performance.
• How do I ensure that the CD74HC4015M is properly terminated to prevent signal reflections?
  It is recommended to use a termination resistor (e.g. 50 ohms) at the output of the device to prevent signal reflections and ensure proper signal integrity.
• What is the maximum current that the CD74HC4015M can sink or source?
  The maximum current that the CD74HC4015M can sink or source is 25 mA per output pin, but it is recommended to limit the current to 10 mA per output pin to ensure reliable operation.