SN54AS244AJ datasheet by Texas Instruments

SN54AS244AJ Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN54AS244AJ?
  The maximum operating frequency of the SN54AS244AJ is 100 MHz, but it can vary depending on the load capacitance and the output current.
• How do I ensure signal integrity when using the SN54AS244AJ in a high-speed application?
  To ensure signal integrity, use a low-impedance PCB layout, minimize trace lengths, and use termination resistors to match the impedance of the transmission line. Additionally, consider using a signal integrity analysis tool to simulate the signal behavior.
• Can I use the SN54AS244AJ in a 3.3V system?
  Yes, the SN54AS244AJ is compatible with 3.3V systems, but the output voltage will be limited to 3.3V. Ensure that the input voltage is within the recommended range of 4.5V to 5.5V for proper operation.
• How do I handle power sequencing when using the SN54AS244AJ in a system with multiple power rails?
  To avoid latch-up or damage, ensure that the power rails are sequenced such that the VCC rail is powered up before the input signals, and the input signals are stable before the VCC rail is powered down.
• What is the recommended layout and routing for the SN54AS244AJ to minimize EMI and noise?
  Use a star topology for the power and ground connections, keep the input and output traces short and away from each other, and use a ground plane to reduce EMI and noise. Additionally, consider using shielding and filtering components to further reduce EMI and noise.