74AC16245TTR datasheet by STMicroelectronics

74AC16245TTR Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the 74AC16245TTR?
  The recommended operating voltage range for the 74AC16245TTR is 2.0V to 3.6V, although it can operate as low as 1.8V with reduced performance.
• How do I ensure signal integrity when using the 74AC16245TTR in high-speed applications?
  To ensure signal integrity, use a low-impedance PCB design, keep signal traces short, and use termination resistors or series resistors to reduce signal reflections. Additionally, consider using a signal integrity analysis tool to simulate and optimize your design.
• Can I use the 74AC16245TTR in a 5V system?
  While the 74AC16245TTR is designed for 3.3V systems, it can tolerate 5V inputs, but the output voltage will be limited to the supply voltage (VCC). However, it's not recommended to use it in a 5V system without proper voltage translation or level shifting to avoid damage or incorrect operation.
• How do I handle power sequencing when using the 74AC16245TTR in a system with multiple power domains?
  To avoid latch-up or damage, ensure that the power supply to the 74AC16245TTR is turned on after the input signals are stable and within the recommended voltage range. Use power sequencing controllers or reset circuits to ensure proper power-up and power-down sequences.
• What is the maximum clock frequency supported by the 74AC16245TTR?
  The maximum clock frequency supported by the 74AC16245TTR is 100 MHz, although this may vary depending on the specific application, PCB design, and operating conditions.