CD74HCT597M datasheet by Texas Instruments

CD74HCT597M Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that the CD74HCT597M can handle?
  The CD74HCT597M can handle clock frequencies up to 30 MHz, but it's recommended to operate it at 10 MHz or lower for reliable operation.
• How do I ensure proper power sequencing when using the CD74HCT597M?
  To ensure proper power sequencing, apply power to VCC before applying a clock signal, and ensure that the clock signal is low during power-up. Also, ensure that the input signals are valid and stable before applying the clock signal.
• What is the recommended operating voltage range for the CD74HCT597M?
  The recommended operating voltage range for the CD74HCT597M is 4.5V to 5.5V, with a typical operating voltage of 5V.
• How do I handle unused inputs on the CD74HCT597M?
  Unused inputs should be tied to VCC or GND through a 1kΩ resistor to prevent floating inputs and ensure proper operation.
• Is the CD74HCT597M compatible with 3.3V logic levels?
  The CD74HCT597M is designed for 5V operation, but it can be used with 3.3V logic levels with some limitations. However, the output voltage levels may not be compatible with 3.3V logic, and the device may not meet its specified timing parameters.