M74HC20B1R datasheet by STMicroelectronics

M74HC20B1R Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for M74HC20B1R?
  The recommended operating voltage range for M74HC20B1R is 2V to 6V, with a typical voltage of 5V.
• How do I handle the input pins of M74HC20B1R when they are not in use?
  When the input pins of M74HC20B1R are not in use, they should be tied to VCC or GND through a resistor to prevent floating inputs and reduce power consumption.
• What is the maximum frequency of operation for M74HC20B1R?
  The maximum frequency of operation for M74HC20B1R is 25 MHz, but it can vary depending on the operating voltage and load conditions.
• Can I use M74HC20B1R in a 3.3V system?
  Yes, M74HC20B1R can be used in a 3.3V system, but the output voltage will be limited to 3.3V, and the device may not operate at the maximum frequency.
• How do I ensure that M74HC20B1R is properly powered on and off?
  To ensure proper power-on and power-off of M74HC20B1R, the power supply voltage should be ramped up and down slowly (typically 10 ms/V) to prevent voltage spikes and noise.