SN74LS174D datasheet by Texas Instruments

SN74LS174D Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that the SN74LS174D can handle?
  The maximum clock frequency of the SN74LS174D is 25 MHz, but it can vary depending on the specific application and operating conditions.
• How do I ensure that the SN74LS174D is properly reset during power-up?
  To ensure proper reset, connect the CLR* pin to a 10 kΩ pull-up resistor to VCC, and then to a capacitor (e.g., 0.1 μF) connected to GND. This will ensure that the device is properly reset during power-up.
• What is the recommended operating voltage range for the SN74LS174D?
  The recommended operating voltage range for the SN74LS174D is 4.75 V to 5.25 V, with a typical operating voltage of 5 V.
• How do I handle the asynchronous clear input (CLR*)?
  The asynchronous clear input (CLR*) should be connected to a pull-up resistor (e.g., 10 kΩ) to VCC, and then to a capacitor (e.g., 0.1 μF) connected to GND. This ensures that the device is properly cleared during power-up and during normal operation.
• What is the maximum input voltage that the SN74LS174D can tolerate?
  The maximum input voltage that the SN74LS174D can tolerate is 7 V, but it's recommended to keep the input voltage within the recommended operating voltage range of 4.75 V to 5.25 V.