CD4027BEE4 datasheet by Texas Instruments

CD4027BEE4 Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for the CD4027BEE4?
  The recommended operating voltage range for the CD4027BEE4 is 3V to 18V, although it can operate down to 2V with reduced performance.
• How do I ensure the CD4027BEE4 is properly powered on and off?
  To ensure proper power-on and power-off, it's recommended to use a slow-rising power supply voltage (typically 1-10 ms) and to avoid voltage spikes or dips during power-on and power-off transitions.
• What is the maximum clock frequency that the CD4027BEE4 can handle?
  The maximum clock frequency that the CD4027BEE4 can handle is typically around 10 MHz, although this can vary depending on the specific application and operating conditions.
• How do I handle the asynchronous reset input (MR) on the CD4027BEE4?
  The asynchronous reset input (MR) should be tied to VCC through a pull-up resistor (typically 1 kΩ to 10 kΩ) to ensure proper reset operation. A low-going pulse on MR will reset the counter.
• What is the purpose of the enable input (EN) on the CD4027BEE4?
  The enable input (EN) allows the counter to be enabled or disabled. When EN is high, the counter is enabled and will count clock pulses. When EN is low, the counter is disabled and will not count clock pulses.