MC14569BDWR2G

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MC14569BDWR2G is a toggle type4-bit decade divide-by-10 counter chip for applications in electronic time and frequency control systems. It has four outputs (A, B, C, D) which when combined can have various output configurations from divide-by-2 to divide-by-10. The MC14569BDWR2G utilizes a toggle flip-flop output for each stage for improved performance and control settings. In addition, each stage has an individual clock input (C1, C2, C3, C4) and preset input (P1, P2, P3, P4).

The main application areas of MC14569BDWR2G include digital clock systems and divide-by-10 frequency dividers. It is used in radio receivers, modems, and other frequency control circuits, such as those used to drive quartz crystals with a 10kHz output. It is also particularly useful in digital frequency synthesizers, as it allows events (such as mod frequencies) to occur in predetermined and predictable ways. In addition, it is a great tool for timing and frequency applications, such as timer control, pulse rate control, and frequency division.

The MC14569BDWR2G works by using its clock inputs to serially shift the outputs from one stage to the next, with the trigger output shifting to the next value in the sequence after a corresponding clock input is activated. At each step, the logic state of the trigger input goes high and the reset input is enabled to reset the counter, bringing the output back to the initial state. The trigger and reset inputs can be connected with external logic circuits to control the count of each stage. At each trigger input, the output alternates between the high and low logic states, so that the outputs are all low for odd divider values and all high for even divider values.

The MC14569BDWR2G also incorporates a divide-by-10 function. The divide-by-10 output is obtained by using the clock, trigger, and reset inputs to shift the output of each stage from one to the next. When the output of the fourth stage reaches the high logic state, this output is multiplied by the third stage output. This multiplied signal then goes to the next stage and, in consequence, the divide-by-10 output is obtained.

Overall, the MC14569BDWR2G is an extremely useful device for dividing frequencies and controlling timing events. It is a great solution for any digital frequency division or timer control applications. Furthermore, its small size and low cost make it an appealing choice for many different types of frequency division and timing control circuits.

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