SN74HC27NSR datasheet by Texas Instruments

SN74HC27NSR Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74HC27NSR?
  The maximum operating frequency of the SN74HC27NSR is 25 MHz, but it can vary depending on the specific application and operating conditions.
• How do I handle the power-up and power-down sequencing of the SN74HC27NSR?
  It is recommended to power up the VCC pin before the input signals, and power down the VCC pin after the input signals. This ensures that the device is properly initialized and avoids any potential latch-up or damage.
• What is the recommended operating voltage range for the SN74HC27NSR?
  The recommended operating voltage range for the SN74HC27NSR is 2V to 6V, with a typical operating voltage of 5V. Operating the device outside of this range may affect its performance and reliability.
• How do I ensure the SN74HC27NSR is properly decoupled from the power supply?
  It is recommended to use a 0.1uF ceramic capacitor between the VCC pin and GND pin, and a 10uF electrolytic capacitor between the VCC pin and GND pin, to ensure proper decoupling and noise reduction.
• What is the maximum current that the SN74HC27NSR can sink or source?
  The maximum current that the SN74HC27NSR can sink or source is 25mA per output pin, with a total current limit of 100mA for all output pins combined.