SN74LS109ADR datasheet by Texas Instruments

SN74LS109ADR Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74LS109ADR?
  The maximum operating frequency of the SN74LS109ADR is 35 MHz.
• How do I ensure reliable operation of the SN74LS109ADR 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 SN74LS109ADR?
  The recommended power-on sequence for the SN74LS109ADR is to apply power to the VCC pin before applying any input signals to the device.
• How do I handle ESD protection for the SN74LS109ADR?
  To handle ESD protection for the SN74LS109ADR, ensure that the device is handled and stored in an ESD-protected environment, and that all personnel handling the device wear ESD-protective wrist straps or use ESD-protective mats.
• What is the recommended layout and routing for the SN74LS109ADR?
  The recommended layout and routing for the SN74LS109ADR involves keeping the device away from high-current or high-voltage traces, using short and direct connections to the device, and avoiding routing signals under the device.