74AHC595D,112 datasheet by NXP Semiconductors

74AHC595D,112 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency for the 74AHC595D?
  The maximum clock frequency for the 74AHC595D is 100 MHz, but it can be limited by the system's noise margin and the quality of the clock signal.
• Can I use the 74AHC595D as a level shifter?
  Yes, the 74AHC595D can be used as a level shifter, but it's not recommended as it's not designed for that purpose. The device is intended for serial-to-parallel data conversion and output latching.
• How do I handle the power-up reset of the 74AHC595D?
  The 74AHC595D has a power-up reset feature that clears the output registers. To handle this, ensure that the clock input (CLK) is low during power-up, and then bring it high after the power supply has stabilized.
• What is the maximum capacitive load for the 74AHC595D outputs?
  The maximum capacitive load for the 74AHC595D outputs is 50 pF. Exceeding this limit may affect the device's performance and reliability.
• Can I use the 74AHC595D in a 5V system?
  The 74AHC595D is designed for 1.8V to 3.6V operation. While it may work in a 5V system, it's not recommended as it may exceed the maximum rating and affect the device's reliability.