SN74LS47DG4 datasheet by Texas Instruments

SN74LS47DG4 Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74LS47DG4?
  The maximum operating frequency of the SN74LS47DG4 is 30 MHz, but it can vary depending on the load capacitance and the output current.
• How do I ensure reliable operation of the SN74LS47DG4 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 SN74LS47DG4?
  The recommended power-on sequence for the SN74LS47DG4 is to apply power to the VCC pin before applying any input signals, and to ensure that the input signals are stable before applying the clock signal.
• How do I handle ESD protection for the SN74LS47DG4?
  To handle ESD protection for the SN74LS47DG4, it is recommended to follow proper ESD handling procedures, such as using an ESD wrist strap or mat, and ensuring that the device is stored in an ESD-protected environment.
• What is the recommended layout and routing for the SN74LS47DG4?
  The recommended layout and routing for the SN74LS47DG4 involves keeping the input and output traces short and direct, avoiding parallel traces, and ensuring that the power and ground pins are properly decoupled.