M74HC85RM13TR datasheet by STMicroelectronics

M74HC85RM13TR Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the M74HC85RM13TR?
  The recommended operating voltage range for the M74HC85RM13TR is 2V to 6V, with a typical voltage of 5V.
• How do I handle the propagation delay of the M74HC85RM13TR?
  The propagation delay of the M74HC85RM13TR is typically around 15ns. To handle it, ensure that your system design takes into account the delay and uses proper synchronization and clocking techniques.
• Can I use the M74HC85RM13TR in a 3.3V system?
  Yes, the M74HC85RM13TR can be used in a 3.3V system, but you should ensure that the input signals are within the recommended voltage range (0.8V to 3.3V) and that the output signals are properly terminated to prevent voltage overshoot.
• How do I implement a 4-bit magnitude comparator using the M74HC85RM13TR?
  To implement a 4-bit magnitude comparator, connect the A and B inputs to the respective 4-bit binary numbers, and use the A>B, A<B, and A=B outputs to determine the comparison result. You may need to add additional logic gates to implement the desired comparison function.
• What is the power consumption of the M74HC85RM13TR?
  The power consumption of the M74HC85RM13TR is typically around 10μA (quiescent current) and 20mA (dynamic current) at 5V and 25°C. However, this may vary depending on the operating frequency and load conditions.