CD74HCT163E

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• Introduction
• The CD74HCT163E is a high-speed CMOS, 4-bit binary counter, with synchronization logic, designed for 2-V to 6-V VCC operation.
• It has various application fields, such as tone generation, control logic circuits, ripple counters, time reference and clocking signals, etc. It is suitable for bus-oriented and microprocessor-based systems.
• Working Principle
• The CD74HCT163E is a synchronous counter composed of a pair of master-slave flip-flops and an up/down input logic. The count direction of the counter is determined by the logic level of the UP/DOWN pin. When it is high, the counting direction is forward; when it is low, the counting direction is backward.
• The CLOCK input triggers a CMOS edge-triggered flip-flop, and the output is held until the next clock edge. The counter output changes on the positive going edge of the input clock, so long as the ENABLE input isheld high.
• Once the count reaches its maximum output, the Q4 output result will be fixed at 1. The next clock edge will recycle the counter to its original state, and the count begins from the beginning.
• When the ENABLE input is pulled low, the entire counter is disabled and all the outputs are set to a low level irrespective of the clock and UP/DOWN inputs.
• Application Fields
• The CD74HCT163E is mainly used in frequency division, clocking and timing circuits, as it is highly reliable and has low power consumption.
• It can be used in time division multiplexing systems, phase-lock loops, remote sensing and monitoring systems and other systems where a high degree of reliability is required.
• It can also be used in applications such as digital oscillator, counter, digital delay line, tone generator and memory applications.
• The CD74HCT163E can also be used in industrial control, data acquisition and control logic systems.
• Conclusion
• The CD74HCT163E is a high speed CMOS synchronous counter that can be used in a wide range of applications including frequency division, clocking and timing circuits, time division multiplexing systems, phase-lock loops, remote sensing and monitoring systems, digital oscillator and memory applications.
• It has low power consumption and a high degree of reliability, making it suitable for industrial control, data acquisition, and control logic systems.

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