74HC74N,652 datasheet by NXP Semiconductors

74HC74N,652 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that the 74HC74N can handle?
  The maximum clock frequency of the 74HC74N is 25 MHz, but it can vary depending on the operating voltage and temperature.
• How do I ensure that the flip-flops are properly initialized on power-up?
  To ensure proper initialization, connect the preset (PRE) and clear (CLR) inputs to VCC through a 1 kΩ resistor and a 10 nF capacitor to ground, respectively.
• What is the recommended operating voltage range for the 74HC74N?
  The recommended operating voltage range for the 74HC74N is 2.0 V to 6.0 V, with a typical voltage of 5.0 V.
• How do I minimize power consumption in my design?
  To minimize power consumption, use a lower operating voltage, reduce the clock frequency, and use a low-power mode if available. Additionally, consider using a voltage regulator to reduce power supply noise.
• Can I use the 74HC74N in a high-temperature environment?
  The 74HC74N is rated for operation up to 125°C, but the maximum junction temperature is 150°C. Ensure proper heat dissipation and consider using a heat sink if operating in high-temperature environments.