SN74ALS164ADR datasheet by Texas Instruments

SN74ALS164ADR Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that the SN74ALS164ADR can handle?
  The maximum clock frequency of the SN74ALS164ADR is 100 MHz, but it can vary depending on the operating conditions and the quality of the clock signal.
• How do I ensure that the SN74ALS164ADR is properly powered and decoupled?
  To ensure proper power and decoupling, use a high-quality power supply with a low output impedance, and decouple the VCC pin with a 0.1 μF ceramic capacitor to ground. Additionally, use a 10 μF electrolytic capacitor in parallel to filter out any noise or ripple.
• What is the recommended termination scheme for the SN74ALS164ADR?
  The recommended termination scheme for the SN74ALS164ADR is to use a series terminator (e.g., 33 Ω) at the far end of the transmission line, and a parallel terminator (e.g., 50 Ω) at the near end. This helps to reduce reflections and ensure signal integrity.
• How do I handle the asynchronous reset input (R) of the SN74ALS164ADR?
  The asynchronous reset input (R) should be tied to VCC through a pull-up resistor (e.g., 1 kΩ) to ensure that the device is not inadvertently reset. When the R input is asserted low, the device will reset and all outputs will be cleared.
• What is the maximum capacitive load that the SN74ALS164ADR can drive?
  The maximum capacitive load that the SN74ALS164ADR can drive is 100 pF, but it's recommended to keep the load capacitance as low as possible to ensure signal integrity and prevent oscillations.