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12-Stage Binary Ripple Counter IC - 74HC4040

12-Stage Binary Ripple Counter IC - 74HC4040

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  • Fully static operation
  • Buffered inputs
  • Common reset
  • Negative edge using
  • Fanout
    Standard output: 10 LSTTL loads
    Bus driver output
  • Wide operating temperature range
  • Balanced propagation delay and transition time
  • Significant power reduction

12-Stage Binary Ripple Counter IC - 74HC4040

The 74HC Series 74HC4040 IC is a 16 Pin 12-Stage Binary Ripple Counter IC having 2V to 6V Operating Voltage range with a 1uA low input current. It has a clock input (CP), an overriding asynchronous master reset input (MR), and twelve parallel outputs (Q0 to Q11). The counter advances on the HIGH-to-LOW transition of CP.

A HIGH on MR clears all counter stages and forces all outputs LOW, independent of the state of CP. Each counter stage is a static toggle flip-flop. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.


Pinout Of 74HC4040 IC

Package Includes:

  • 1 x 74HC4040 IC


Power supply voltage  2V to 6V
Supply voltage (Vcc) -0.5V to + 7.0V
Input voltage (Vin) -1.5V to Vcc + 1.5V
Output voltage (Vout) -0.5V to Vcc + 0.5V
Clamp diode current ±20mA
DC output current (per pin) ±25mA
DC Vcc and GND current (per pin ±50mA
Typical propagation delay 16ns
Power dissipation 600mW
Operating temperature -55℃ to 125℃

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  • Return window: 7 days from receipt unless stated
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1.What is the function of the 74HC4040 IC?

  • The 74HC4040 integrated circuit is a 12-stage binary ripple counter with an oscillator built in. It is commonly used to count events and generate timing signals in digital circuits. The 74HC4040 integrated circuit has 12 output ports labelled Q4 through Q15, which represent the binary count.

2.Can the 74HC4040 IC be used as a frequency divider? 

  • Yes, by connecting the oscillator signal to the IC's input and selecting one of the output stages as the desired division factor, the 74HC4040 IC can be used as a frequency divider. The output frequency is equal to the input frequency divided by 2n, where n is the stage number.