HEF40193BP,652 datasheet by NXP Semiconductors

HEF40193BP,652 Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the HEF40193BP,652?
  The recommended operating voltage range for the HEF40193BP,652 is 4.5V to 15V, with a typical voltage of 5V or 10V.
• How do I ensure proper power sequencing when using the HEF40193BP,652?
  To ensure proper power sequencing, apply the power supply voltage (VCC) before the clock signal (CLK) and ensure that the clock signal is stable before applying the input signals.
• What is the maximum clock frequency supported by the HEF40193BP,652?
  The maximum clock frequency supported by the HEF40193BP,652 is 10 MHz, but it can operate at frequencies up to 20 MHz with reduced voltage and load capacitance.
• How do I handle the asynchronous reset (MR) input?
  The asynchronous reset (MR) input should be tied to VCC through a pull-up resistor (e.g., 1 kΩ) to ensure proper reset functionality. A low-going pulse on MR will reset the counter.
• What is the purpose of the enable (EN) input?
  The enable (EN) input allows the counter to be enabled or disabled. When EN is high, the counter is enabled, and when EN is low, the counter is disabled and the outputs are in a high-impedance state.