SN74LS628DR datasheet by Texas Instruments

SN74LS628DR Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74LS628DR?
  The maximum operating frequency of the SN74LS628DR is 30 MHz, but it can vary depending on the specific application and operating conditions.
• How do I ensure reliable operation of the SN74LS628DR in high-temperature environments?
  To ensure reliable operation in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its specified temperature range (-40°C to 85°C).
• What is the recommended power-on sequence for the SN74LS628DR?
  The recommended power-on sequence for the SN74LS628DR is to apply power to the VCC pin before applying any input signals, and to ensure that the power supply is stable and within the specified voltage range (4.75V to 5.25V) before applying any input signals.
• How do I handle bus contention when using the SN74LS628DR?
  To handle bus contention when using the SN74LS628DR, it is recommended to use bus buffers or transceivers to isolate the device from the system bus, and to ensure that the device is properly terminated to prevent reflections and signal degradation.
• What is the maximum capacitive load that the SN74LS628DR can drive?
  The maximum capacitive load that the SN74LS628DR can drive is 100 pF, but it can vary depending on the specific application and operating conditions. It is recommended to consult the datasheet and application notes for more information.