CD74AC257M datasheet by Texas Instruments

CD74AC257M Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the CD74AC257M?
  The recommended operating voltage range for the CD74AC257M is 2.0V to 6.0V, with a typical voltage of 5.0V.
• 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 a valid logic level (either VCC or GND) to prevent them from floating and causing unwanted switching.
• What is the maximum frequency of operation for the CD74AC257M?
  The maximum frequency of operation for the CD74AC257M is typically around 100 MHz, but this can vary depending on the specific application and operating conditions.
• How do I ensure that the CD74AC257M is properly powered?
  To ensure proper powering of the CD74AC257M, a decoupling capacitor (typically 0.1uF to 1uF) should be placed as close as possible to the VCC pin, and the power supply should be able to provide sufficient current to drive the device.
• Can I use the CD74AC257M in a 3.3V system?
  Yes, the CD74AC257M can be used in a 3.3V system, but the output voltage levels may not be as high as those in a 5.0V system, and the device may not be able to drive as much current.