74HC4040D-Q100J

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HC logic is a CMOS logic IC series.The HC series is available in wide range of packages including PowerDIP, SOIC, SOP, TSSOP, QSOPand MQFP. The HC series operates from a 2V to 6.5V power supply with output drive capability up to 20mA. The 74HC4040D-Q100J is a 12-stage ripple counter for use in 5V logic systems. It counts the transitions of a single input pulse and is an ideal choice for use in digital applications, such as digital clock circuitry, alarm devices, game circuits and telephone circuits. This article provides information on the 74HC4040D-Q100J application field, working principle and associated timing diagrams.

Application field of 74HC4040D-Q100J

The 74HC4040D-Q100J is a 12-stage ripple counter suitable for use in 5V logic systems. It is a universal counter, able to divide an input signal by any integer from 1 to 4096. It is ideal for use in applications where an input signal needs to be divided, such as digital clocks, alarm devices, game circuits, telephone circuits and other digital applications. The 74HC4040D-Q100J is designed for low-power applications and offers high noise immunity and noise immunity due to its CMOS structure. The 74HC4040D-Q100J has a maximum operating frequency of 20 MHz.

Working Principle of 74HC4040D-Q100J

The 74HC4040D-Q100J is a 12-stage ripple counter that produces a sequence of output signals each time a rising edge of an input signal is detected. The counter counts the number of input pulses, and each time an input pulse is detected, the output signals are shifted by one bit. The number of output pulses is equivalent to the integer that was applied. The output pin can be used to control an external circuit based on the number of input pulses. The internal logic circuit is designed such that any count value can be preselected.

Timing Diagram of 74HC4040D-Q100J

The 74HC4040D-Q100J has a number of internal timing circuits which control the sequence of output signals. The timing diagram in Figure 1 shows the timing of the input and output signals with respect to the clock pulse. At the rising edge of the clock pulse, the input signal is sampled and the output signals are shifted accordingly. During each of the next 12 clock pulses, the output signals are shifted until the clock pulse is reset, which causes the circuit to start the cycle again.

Figure 1. Timing diagram of the 74HC4040D-Q100J

In summary, the 74HC4040D-Q100J is a 12-stage ripple counter which can be used to divide any input signal by any integer from 1 to 4096. It is an ideal choice for use in digital applications, such as digital clock circuitry, alarm devices, game circuits and telephone circuits. It is designed for low-power applications and offers high noise immunity and noise immunity due to its CMOS structure. The timing diagram shows the internal logic circuit timing with respect to the input and output signals.

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