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Home / Transistors & IC / CD4017 Decade Counter IC
CD4017 Decade Counter IC

The CD4017 Decade Counter IC is a 10-stage Johnson counter that sequences through 10 outputs with each clock pulse.

CD4017 Decade Counter IC

SKU 13010 Category Transistors & IC

₹29.00 (Excl GST)

excl. GST*

Bulk deal
Quantity Discount Discounted price
10 - 29 2.5% ₹28.28
30 - 69 5% ₹27.55
70 - 100 7.5% ₹26.83

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CD4017 Decade Counter IC

The CD4017 Decade Counter IC is a 10-stage Johnson counter that sequences through 10 outputs with each clock pulse. It is the classic chip for LED chasers, sequencing circuits, and frequency divider applications.


Key Features

  • 10 decoded outputs (Q0-Q9)
  • One output HIGH at a time
  • Advances on clock rising edge
  • Reset input to return to Q0
  • Carry output for cascading multiple 4017s
  • 16-pin DIP package
  • CMOS low power

Technical Specifications

Parameter Specification
Function Decade counter / Johnson counter
Logic Family CMOS (4000 series)
Supply Voltage 3V – 15V
Clock Frequency Up to ~5MHz at 5V
Outputs 10 (Q0-Q9)
Package DIP-16
Power Low (< 1mA)
Drive Current ~10mA per output

Applications

  • LED chaser circuits
  • Sequencing circuits
  • Frequency dividers (/10)
  • Stepper motor control
  • Event sequencing
  • Simple automation

Important Notes

  • Clock from 555 timer is classic combination
  • Connect reset to appropriate output for fewer than 10 steps
  • Carry out can drive clock of second 4017 for >10 steps
  • CMOS – handle with anti-static precautions
  • Outputs can directly drive LEDs with current-limiting resistors
  • Enable pin (13) HIGH stops counting

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