CD4022BEE4 datasheet by Texas Instruments

CD4022BEE4 Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that the CD4022BEE4 can handle?
  The CD4022BEE4 can handle clock frequencies up to 10 MHz, but it's recommended to operate it at a maximum frequency of 5 MHz for reliable operation.
• How do I properly reset the CD4022BEE4?
  To properly reset the CD4022BEE4, you need to apply a low signal to the Reset (R) pin for at least 10 ns. This will clear the internal counters and reset the device to its initial state.
• What is the recommended power-on sequence for the CD4022BEE4?
  The recommended power-on sequence is to apply VCC first, followed by the clock signal, and then the input data. This ensures that the device is properly initialized and avoids any potential latch-up conditions.
• Can I use the CD4022BEE4 as a divide-by-2 counter?
  Yes, you can use the CD4022BEE4 as a divide-by-2 counter by connecting the Q3 output to the Clock (CP) input. This will create a divide-by-2 counter with a 50% duty cycle output.
• How do I troubleshoot issues with the CD4022BEE4?
  To troubleshoot issues with the CD4022BEE4, start by verifying the power supply voltage, clock signal, and input data. Check for any noise or glitches on the clock and input signals. Use a logic analyzer or oscilloscope to monitor the device's outputs and inputs. Consult the datasheet and application notes for guidance on specific issues.