CD40102BPWG4

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CD40102BPWG4, a series of logic devices, is a part of the family of Logic - Counters, Dividers. CD40102BPWG4 is a CD4010 series 14-stage binary ripple counter manufactured by Texas Instruments. It has operating junction temperatures of up to 125℃, an operating supply voltage range of 3V to 18V and a maximum operating frequency of 100 kHz. The CD40102BPWG4 consists of two interconnected divide-by-two counters, seven divide-by-four counters and a divide-by-eight counter. It has 14 output pins and operates asynchronously, i.e., without the need for an external clock.

CD40102BPWG4 has a wide range of applications. It is popularly used in timing circuits, voltage-to-frequency converters and stepping relays. Its unique design makes it suited for pulse generation, pulse stretching, modulus-N counter, ring counters, waveform synthesis and sampling systems. It is also useful for power system control and speed monitoring.

The working principle of the CD40102BPWG4 is simple and straight forward. It is comprised of a flip-flop connected in a counter chain, which steps through a fixed sequence of states each time it is clocked. Upon each clock pulse, the output of the first flip-flop is shifted to the output of the second flip-flop, and so on. The last flip-flop in the chain is the most significant bit, with each following flip-flop representing the next lower-order bit in the binary counting sequence. Each of these outputs can act as a binary counter output, a clock divider, or a variable frequency generator.

Each stage of the ripple counter can either be connected to a preset or reset line, allowing users to preset the counter’s output to any predetermined value. The outputs from each of the divide-by-two, divide-by-four and divide-by-eight counters can be used for counting or for checking the output frequency of a device or for indicating the presence of a high or low frequency signal. The device can also be used as a preset counter or for frequency division or for waveform synthesis/sampling.

In summary, the CD40102BPWG4 series of logic devices is a part of the Logic - Counters, Dividers family. It is suited for a wide range of applications such as timing circuits, pulse stretching, modulus-N counter, waveform synthesis and sampling systems. It’s working principle is based on a flip-flop connected in a counter chain, which steps through a fixed sequence of states each time it is clocked. It can be used as a binary counter output, a clock divider, a variable frequency generator, a preset counter, or for frequency division or waveform synthesis/sampling.

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