CD4024BNSRG4

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Logic - Counters, Dividers

The CD4024BNSRG4 is a CMOS Frequency Divider/Buffer manufactured by Texas Instruments (TI). Its main purpose is to divide a frequency by 2n and thus generate a signal with a frequency division ratio of 2n.

This device has an input frequency of up to 100 MHz, and an output frequency of up to 25 MHz, depending on the division ratio used. The division ratio itself can be any even number from 2 to 24, and is selected by means of 4 control pins.

The most common application for this device is as a clock and data recovery (CDR) module in a communications system. The CD4024BNSRG4 performs the function of synchronizing an incoming data stream with a local clock. In this application, the input frequency is the data rate of the incoming stream, and the selected division ratio is the data rate of the local clock (i.e. the frequency of the recovered data).

In addition to its CDR application, the CD4024BNSRG4 can also be used as a counter, frequency divider, or phase-locked loop (PLL) component. The CD4024BNSRG4 has a wide range of output frequencies, which makes it suitable for driving a variety of analog or digital circuits.

Working Principle

The CD4024BNSRG4 operates on the principle of frequency division. The device has an input voltage source connected to its Input terminal. This voltage source sends out a regular, periodic signal with a certain frequency, which is then “counted” by the device. The control pins of the CD4024BNSRG4 dictate the division ratio, which is the number of clock pulses generated by the device from a single input pulse.

For example, if the division ratio is set to 8, then for each incoming pulse (at the input), the device will generate 8 output pulses. The frequency of the output pulse is thus 1/8th of the frequency of the input pulse. This frequency division works both ways: the device can be used to divide the frequency of a signal (e.g. to drive a slow digital circuit or analog circuit, or to synchronize incoming data with a local clock), or it can be used to increase the frequency of a signal (e.g. in a PLL or frequency multiplier circuit).

The CD4024BNSRG4 is capable of operating at a wide range of input frequencies, up to 100 MHz. This makes it suitable for a variety of applications, including clock and data recovery, as well as clock generation, frequency division and multiplication, and pulse time division.

Conclusion

The CD4024BNSRG4 is a versatile CMOS device, capable of dividing a frequency by any even ratio up to 24. Its applications include clock and data recovery, clock generation, frequency division and multiplication, and pulse width division. The wide range of input frequencies make it suitable for a wide range of applications.

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