SN74ALS21ADR datasheet by Texas Instruments

SN74ALS21ADR Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74ALS21ADR?
  The maximum operating frequency of the SN74ALS21ADR is 100 MHz.
• Is the SN74ALS21ADR compatible with 3.3V or 5V logic?
  The SN74ALS21ADR is compatible with 5V logic, but it can also be used with 3.3V logic with some limitations. Consult the datasheet for specific guidelines.
• What is the propagation delay of the SN74ALS21ADR?
  The propagation delay of the SN74ALS21ADR is typically around 10-15 ns, but this can vary depending on the operating conditions and load capacitance.
• Can the SN74ALS21ADR be used in a high-temperature environment?
  The SN74ALS21ADR is rated for operation up to 85°C, but it can be used in higher temperature environments with some derating. Consult the datasheet for specific guidelines.
• Is the SN74ALS21ADR radiation-hardened or suitable for space applications?
  The SN74ALS21ADR is not radiation-hardened and is not suitable for space applications. It is intended for commercial use only.