M74HC534B1R datasheet by STMicroelectronics

M74HC534B1R Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for M74HC534B1R?
  The recommended operating voltage range for M74HC534B1R is 2V to 6V, with a typical voltage of 5V.
• How do I handle the input voltage tolerance for this device?
  The M74HC534B1R has a input voltage tolerance of ±0.5V, meaning that the input voltage should be within the range of VCC-0.5V to VCC+0.5V to ensure proper operation.
• What is the maximum clock frequency supported by M74HC534B1R?
  The maximum clock frequency supported by M74HC534B1R is 25MHz, but it can operate at frequencies up to 50MHz with a reduced voltage supply (e.g., 3.3V).
• How do I ensure proper power sequencing when using M74HC534B1R?
  To ensure proper power sequencing, apply power to the VCC pin before applying any input signals, and ensure that the power supply is stable before enabling the clock signal.
• What is the recommended termination scheme for the outputs of M74HC534B1R?
  The recommended termination scheme for the outputs of M74HC534B1R is to use a pull-up resistor (e.g., 1kΩ) to VCC, and a series resistor (e.g., 22Ω) to the output pin to prevent overvoltage and ensure signal integrity.