MC74AC163NG

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The MC74AC163NG is a high-speed synchronous 4-bit binary counter that features various types of inputs and outputs. This device is part of the AC logic family, which is designed to be compatible with the popular 74LS family of logic. It is used in a variety of applications including counter, divide-by-N, and frequency division.

The MC74AC163NG is a synchronous counter, which means that its output is triggered by an external clock pulse. The device has four D-type flip-flops with individual reset inputs for each stage. It also has an input that allows for the reset of the entire counter. The outputs of the flip-flops form a 4-bit binary counter. The counter can be reset to zero by either the reset input pin or the reset line.

The MC74AC163NG is used in many applications, such as digital counters and dividers. In a digital counter, the MC74AC163NG can be used to count pulses, time intervals, and events within a certain range. In a divider, the MC74AC163NG is used to divide an input frequency by any number between 2 and 16. The output of the divider is effectively a clock that has a frequency that is a fraction of the input frequency.

The MC74AC163NG is available in two packages, the DIP (dual in-line package) and the PLCC (plastic leaded chip carrier). The DIP version is the most widely used version and is very popular in digital devices. The PLCC version is suitable for applications that require high-density packaging.

The working principle of the MC74AC163NG is very simple. It relies on the ability of the flip-flops to trigger a change of output whenever the clock pulse is active. The device is designed to work with two clock inputs – a Clock input and a Reset input. When the Clock input goes high, it clears the four flip-flops, setting all of their outputs to zero. The Reset input sets all of the flip-flops to their “1” state, regardless of the status of the Clock input.

The four flip-flops within the MC74AC163NG are arranged so that each stage advances the count by 1 when the Clock input is high. This means that the output of each stage is one less than the input of the next stage. In a 4-bit binary counter, each stage represents a power of two. For example, the first stage represents 2⁰, the second stage represents 2¹ and so on.

The MC74AC163NG is a synchronous counter, which means that the output of each stage changes only when a positive-going clock pulse is applied to the Clock input pin. The Reset input pin allows for an asynchronous reset of all the flip-flops. This allows for resetting the counter to the zero state without providing a clock pulse.

The MC74AC163NG is a very useful device for a wide range of applications. It is used in counters, dividers, and frequency-division circuits, as well as logic sequencing and coding. Its synchronous operation provides a more reliable and faster circuit than asynchronous counters. It also has superior performance when compared to asynchronous counters, as it can be used in very high-speed operations with very little jitter or crosstalk.

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