CD4017BNSR datasheet by Texas Instruments

CD4017BNSR Frequently Asked Questions (FAQs)

• What is the maximum clock frequency that the CD4017BNSR can handle?
  The CD4017BNSR can handle clock frequencies up to 10 MHz, but it's recommended to keep it below 5 MHz for reliable operation.
• How do I reset the counter to zero?
  You can reset the counter to zero by applying a low pulse to the Reset (R) input. The Reset input is active-low, so you need to pull it low to reset the counter.
• What is the purpose of the Carry-Out (CO) pin?
  The Carry-Out (CO) pin is used to cascade multiple CD4017BNSR chips to create a larger counter. When the counter overflows, the CO pin goes high, indicating that the counter has reached its maximum count.
• Can I use the CD4017BNSR as a divide-by-N counter?
  Yes, you can use the CD4017BNSR as a divide-by-N counter by connecting the Q0 output to the Clock (CP) input. This will create a divide-by-10 counter. You can also use external logic to create a divide-by-N counter for other values of N.
• What is the power consumption of the CD4017BNSR?
  The power consumption of the CD4017BNSR depends on the operating frequency and voltage. Typically, it consumes around 10-20 mA of current at 5V and 1 MHz clock frequency.