HEF4511BT datasheet by NXP Semiconductors

HEF4511BT Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the HEF4511BT?
  The recommended operating voltage range for the HEF4511BT is 4.5V to 15.5V, although it can operate down to 3V with reduced performance.
• How do I ensure the HEF4511BT is properly powered up and initialized?
  To ensure proper power-up and initialization, the VCC pin should be ramped up slowly (typically within 1ms) and the reset pin (MR) should be held low for at least 10ns after power-up.
• What is the maximum clock frequency that the HEF4511BT can handle?
  The maximum clock frequency that the HEF4511BT can handle is 10MHz, although this may vary depending on the specific application and operating conditions.
• How do I handle the asynchronous reset input (MR) in my design?
  The asynchronous reset input (MR) should be connected to a pull-up resistor and a capacitor to ensure proper reset functionality. The reset signal should be held low for at least 10ns to ensure the device is properly reset.
• What is the purpose of the output enable (OE) input, and how do I use it?
  The output enable (OE) input is used to enable or disable the output buffers. When OE is low, the outputs are enabled, and when OE is high, the outputs are disabled (high-impedance state).