74HC273D,653 datasheet by NXP Semiconductors

74HC273D,653 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that the 74HC273D can handle?
  The maximum clock frequency of the 74HC273D is 40 MHz, but it can vary depending on the operating conditions and the quality of the clock signal.
• How do I ensure that the flip-flops are properly initialized during power-up?
  To ensure proper initialization, connect the CLR (clear) input to a power-on reset circuit or a pull-up resistor to VCC. This ensures that the flip-flops are reset to a known state during power-up.
• What is the recommended operating voltage range for the 74HC273D?
  The recommended operating voltage range for the 74HC273D is 2.0 V to 6.0 V, with a typical voltage of 5.0 V.
• Can I use the 74HC273D in a 3.3 V system?
  Yes, the 74HC273D can be used in a 3.3 V system, but ensure that the input signals are compatible with the 3.3 V logic levels.
• How do I handle the asynchronous reset (CLR) input?
  The CLR input should be connected to a pull-up resistor to VCC or a power-on reset circuit to ensure that the flip-flops are properly reset during power-up.