SN54121J datasheet by Texas Instruments

SN54121J Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN54121J?
  The maximum operating frequency of the SN54121J is 100 MHz.
• How do I ensure signal integrity when using the SN54121J?
  To ensure signal integrity, use a low-impedance PCB design, minimize trace lengths, and use termination resistors to reduce reflections.
• What is the recommended power-on sequence for the SN54121J?
  The recommended power-on sequence is to apply VCC first, followed by VEE, and then the input signals.
• How do I handle thermal management for the SN54121J?
  Use a heat sink or thermal pad to dissipate heat, and ensure good airflow around the device. The maximum junction temperature is 150°C.
• What is the input impedance of the SN54121J?
  The input impedance of the SN54121J is typically around 1 kΩ, but can vary depending on the specific application and operating conditions.