HCF4042BEY datasheet by STMicroelectronics

HCF4042BEY Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the HCF4042BEY?
  The recommended operating voltage range for the HCF4042BEY is 4.5V to 15.5V, although it can operate down to 3V with reduced performance.
• How do I ensure the HCF4042BEY is properly powered?
  To ensure proper operation, the HCF4042BEY requires a stable power supply with minimal noise and ripple. A decoupling capacitor of 100nF to 1uF should be placed close to the VCC pin.
• What is the maximum frequency of operation for the HCF4042BEY?
  The maximum frequency of operation for the HCF4042BEY is 10MHz, although it can operate at higher frequencies with reduced performance and increased power consumption.
• How do I handle the output of the HCF4042BEY?
  The output of the HCF4042BEY is an open-drain output, which means it can only sink current and not source current. An external pull-up resistor is required to pull the output high when the output is not actively driven low.
• What is the maximum current that the HCF4042BEY can sink?
  The maximum current that the HCF4042BEY can sink is 20mA per output pin, although it's recommended to limit the current to 10mA or less to ensure reliable operation.