SN7490AN datasheet by Texas Instruments

SN7490AN Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that the SN7490AN can handle?
  The SN7490AN can handle clock frequencies up to 25 MHz.
• How do I ensure reliable operation of the SN7490AN in high-temperature environments?
  To ensure reliable operation in high-temperature environments, ensure that the device is operated within the recommended operating temperature range of 0°C to 70°C, and that the device is properly heat-sinked to prevent overheating.
• What is the recommended power-on sequence for the SN7490AN?
  The recommended power-on sequence for the SN7490AN is to apply power to the VCC pin first, followed by the clock signal, and then the input signals.
• How do I troubleshoot issues with the SN7490AN?
  To troubleshoot issues with the SN7490AN, check the power supply voltage, clock signal, and input signals to ensure they are within the recommended operating ranges. Also, verify that the device is properly connected and that there are no short circuits or open circuits.
• Can I use the SN7490AN in a 3.3V system?
  Yes, the SN7490AN can be used in a 3.3V system, but the input voltage levels must be adjusted accordingly to ensure proper operation.