CD54HC4049F3A datasheet by Texas Instruments

CD54HC4049F3A Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for CD54HC4049F3A?
  The recommended operating voltage range for CD54HC4049F3A is 2V to 6V.
• How do I ensure signal integrity when using CD54HC4049F3A in a high-speed application?
  To ensure signal integrity, use a low-impedance PCB design, minimize trace lengths, and use termination resistors as needed. Also, consider using a clock buffer or repeater to maintain signal quality.
• Can I use CD54HC4049F3A in a 3.3V system?
  Yes, CD54HC4049F3A can operate at 3.3V. However, ensure that the input signals are compatible with the device's input voltage range (Vih and Vil) to maintain proper operation.
• How do I handle power sequencing when using CD54HC4049F3A in a system with multiple power rails?
  To avoid latch-up or other issues, ensure that the power rails are sequenced correctly. Typically, power up the VCC rail first, followed by the input signals, and then the output signals.
• What is the maximum clock frequency supported by CD54HC4049F3A?
  The maximum clock frequency supported by CD54HC4049F3A is 25 MHz. However, this may vary depending on the specific application and system design.