CD54HCT109F3A datasheet by Texas Instruments

CD54HCT109F3A Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for CD54HCT109F3A?
  The recommended operating voltage range for CD54HCT109F3A is 4.5V to 5.5V, with a typical voltage of 5V.
• How do I handle the propagation delay of the CD54HCT109F3A?
  The propagation delay of the CD54HCT109F3A is typically around 10ns to 15ns. To handle this, ensure that your design takes into account the delay when switching between high and low logic levels.
• Can I use the CD54HCT109F3A with 3.3V logic?
  While the CD54HCT109F3A is designed for 5V operation, it can be used with 3.3V logic with some limitations. However, the output voltage will be lower, and the device may not meet the specified propagation delay and output current.
• How do I ensure the CD54HCT109F3A is properly powered and decoupled?
  To ensure proper operation, provide a stable power supply with a decoupling capacitor (e.g., 0.1uF) close to the device. This helps to reduce noise and voltage droop.
• What is the maximum output current of the CD54HCT109F3A?
  The maximum output current of the CD54HCT109F3A is typically around 6mA per output pin, with a total current limit of 25mA for all outputs combined.