CY74FCT138ATQCT datasheet by Texas Instruments

CY74FCT138ATQCT Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for CY74FCT138ATQCT?
  The recommended operating voltage range for CY74FCT138ATQCT is 4.5V to 5.5V, with a typical voltage of 5V.
• How do I handle the input pins when they are not in use?
  When the input pins are not in use, they should be tied to VCC or GND through a pull-up or pull-down resistor to prevent floating inputs and ensure proper device operation.
• What is the maximum clock frequency that the CY74FCT138ATQCT can handle?
  The maximum clock frequency that the CY74FCT138ATQCT can handle is 100 MHz, but this may vary depending on the specific application and operating conditions.
• How do I ensure that the device is properly powered up and initialized?
  To ensure proper power-up and initialization, the device should be powered up with a slow ramp-up time (typically 10 ms or more) and the input signals should be stable before the clock signal is applied.
• What is the thermal resistance of the CY74FCT138ATQCT package?
  The thermal resistance of the CY74FCT138ATQCT package is typically around 30°C/W for the QFN package, but this may vary depending on the specific application and operating conditions.