SN74F74NSR datasheet by Texas Instruments

SN74F74NSR Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74F74NSR?
  The maximum operating frequency of the SN74F74NSR is 100 MHz, but it can vary depending on the specific application and operating conditions.
• How do I handle the power-up reset of the SN74F74NSR?
  The SN74F74NSR has an internal power-up reset circuit that holds the outputs in a reset state until VCC reaches a minimum of 2.5V. No external reset circuitry is required, but it's recommended to add a decoupling capacitor to ensure a clean power-up sequence.
• What is the input voltage threshold for the SN74F74NSR?
  The input voltage threshold for the SN74F74NSR is typically around 1.5V for a logic high and 0.5V for a logic low, but it's recommended to use a voltage level of at least 2.4V for a logic high and 0.4V for a logic low to ensure reliable operation.
• Can I use the SN74F74NSR in a 3.3V system?
  Yes, the SN74F74NSR can be used in a 3.3V system, but it's recommended to use a voltage regulator to ensure a stable 3.3V supply. Additionally, the input voltage threshold may need to be adjusted accordingly.
• How do I handle the thermal dissipation of the SN74F74NSR?
  The SN74F74NSR has a maximum power dissipation of 500mW. To handle thermal dissipation, it's recommended to use a heat sink or a thermal pad, especially in high-temperature or high-power applications.