SN74HC74PWLE datasheet by Texas Instruments

SN74HC74PWLE Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the SN74HC74PWLE?
  The recommended operating voltage range for the SN74HC74PWLE is 2V to 6V, with a typical voltage of 5V.
• How do I handle the power-up and power-down sequences for the SN74HC74PWLE?
  It is recommended to power up the VCC pin before the input signals, and power down the VCC pin after the input signals. This ensures that the device is properly initialized and avoids any potential latch-up or damage.
• What is the maximum clock frequency that the SN74HC74PWLE can handle?
  The maximum clock frequency that the SN74HC74PWLE can handle is 25 MHz, but this can vary depending on the specific application and operating conditions.
• How do I ensure that the SN74HC74PWLE is properly terminated to prevent signal reflections?
  It is recommended to use a termination resistor (e.g. 1 kΩ to 10 kΩ) at the output of the device to prevent signal reflections and ensure signal integrity.
• Can I use the SN74HC74PWLE in a 3.3V system?
  Yes, the SN74HC74PWLE can be used in a 3.3V system, but the output voltage will be limited to 3.3V. Additionally, the device may not be able to drive as much current at 3.3V as it can at 5V.