SN54LS224AJ datasheet by Texas Instruments

SN54LS224AJ Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN54LS224AJ?
  The maximum operating frequency of the SN54LS224AJ is 35 MHz, but it can vary depending on the load capacitance and the output current.
• How do I ensure reliable operation of the SN54LS224AJ in high-temperature environments?
  To ensure reliable operation in high-temperature environments, it is recommended to derate the device's power dissipation according to the thermal derating curve provided in the datasheet, and to ensure good thermal conduction between the device and the PCB or heat sink.
• Can I use the SN54LS224AJ in a 3.3V or 2.5V system?
  The SN54LS224AJ is a 5V device, but it can be used in 3.3V or 2.5V systems with some limitations. The output voltage will be reduced, and the device's performance may be affected. It is recommended to consult the datasheet and application notes for more information.
• How do I handle the power-up and power-down sequencing of the SN54LS224AJ?
  It is recommended to power up the SN54LS224AJ in a controlled manner, with the input signals stable before the power supply reaches its operating voltage. During power-down, the input signals should be stable before the power supply drops below its operating voltage.
• What is the recommended PCB layout and routing for the SN54LS224AJ?
  The recommended PCB layout and routing for the SN54LS224AJ involves keeping the input and output traces short and direct, avoiding parallel traces, and using a solid ground plane to reduce noise and electromagnetic interference.