74ACT244TTR datasheet by STMicroelectronics

74ACT244TTR Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the 74ACT244TTR?
  The maximum operating frequency of the 74ACT244TTR is typically around 100 MHz, but it can vary depending on the specific application and operating conditions.
• How do I handle the power-up and power-down sequencing of the 74ACT244TTR?
  It is recommended to power up the VCC pin before the input signals, and power down the VCC pin after the input signals. This ensures that the device is properly initialized and avoids any potential latch-up or damage.
• What is the recommended termination scheme for the 74ACT244TTR?
  The recommended termination scheme for the 74ACT244TTR is to use a series resistor and a parallel capacitor (RC termination) at the output of each buffer. This helps to reduce reflections, ringing, and electromagnetic interference (EMI).
• Can I use the 74ACT244TTR in a 3.3V system?
  Yes, the 74ACT244TTR is compatible with 3.3V systems. However, it is essential to ensure that the input signals are within the recommended voltage range (Vih and Vil) to maintain proper operation.
• How do I handle the thermal management of the 74ACT244TTR?
  The 74ACT244TTR is a surface-mount device, and it is essential to ensure good thermal conduction to the PCB. Use thermal vias, thermal pads, or heat sinks to dissipate heat and maintain a safe operating temperature.