SN74HC14DBR datasheet by Texas Instruments

SN74HC14DBR Frequently Asked Questions (FAQs)

• What is the maximum operating frequency of the SN74HC14DBR?
  The maximum operating frequency of the SN74HC14DBR is 100 MHz.
• Can I use the SN74HC14DBR in a 5V system?
  Yes, the SN74HC14DBR is compatible with 5V systems, but it's recommended to use a voltage regulator to ensure a stable 5V supply.
• How do I handle the Schmitt trigger inputs to prevent oscillation?
  To prevent oscillation, ensure that the input signals have a clean, fast transition (typically <10 ns) and avoid slow-rising or noisy inputs. You can also add a small capacitor (e.g., 10-100 pF) in series with the input signal to filter out high-frequency noise.
• What is the maximum current that the SN74HC14DBR can sink or source?
  The SN74HC14DBR can sink or source up to 25 mA per output pin, but it's recommended to limit the current to 10-15 mA to ensure reliable operation.
• Can I use the SN74HC14DBR in a high-temperature environment?
  The SN74HC14DBR is rated for operation up to 85°C (185°F), but it's recommended to derate the device for temperatures above 70°C (158°F) to ensure reliable operation.