HCF4512BEY datasheet by STMicroelectronics

HCF4512BEY Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the HCF4512BEY?
  The recommended operating voltage range for the HCF4512BEY is 4.5V to 15.5V, although it can operate down to 3V with reduced performance.
• How do I ensure the HCF4512BEY is properly powered up and initialized?
  To ensure proper power-up and initialization, apply a stable voltage supply, ensure all input pins are at a valid logic level, and wait for the power-on reset (POR) to complete before applying clock signals.
• What is the maximum clock frequency supported by the HCF4512BEY?
  The maximum clock frequency supported by the HCF4512BEY is 10MHz, although it can operate at higher frequencies with reduced performance and increased power consumption.
• How do I handle the asynchronous reset input (MR) on the HCF4512BEY?
  The asynchronous reset input (MR) should be asserted low to reset the device. When de-asserting the reset, ensure it is held high for at least one clock cycle to allow the device to properly exit reset.
• What is the purpose of the output enable (OE) input on the HCF4512BEY?
  The output enable (OE) input is used to tri-state the outputs, allowing multiple devices to share the same bus. When OE is low, the outputs are enabled; when OE is high, the outputs are high-impedance.