74LVC86AS14-13

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Logic gates and inverters are widely used in digital systems, to manipulate the flowing of electric current, based on the particular input element connected to the circuit. In this article, we examine the 74LVC86AS14-13 circuit, a high-speed dual 4-input XOR/XNOR gate, and its working principle, as well as its application fields.

The device consists of two circuits in one package, each with four inputs and an output. The outputs of each circuit are XOR and XNOR functions of the inputs, meaning that the output of the XOR circuit is 1 when one but not both of the two input logic states are 1, and 0 when both the inputs are identical. The XNOR circuit is just the opposite of the XOR circuit, so the output is 1 when both the inputs are identical and 0 if the two inputs are different.

The 74LVC86AS14-13 device works on a three-state operation principle. This means that the output of each circuit is in a high impedance state unless the “Enable” control line is taken high, in which case the outputs of the two circuits (XOR and XNOR) will be normally active, so that the expected logic is obtained. The outputs of the two circuits in the device can also be wired together, so that the output is an XOR/XNOR of all four inputs; this configuration captures the basic principle of the device’s operation.

The 74LVC86AS14-13 has a wide range of applications, among which are arithmetic operations. One such application is performing arithmetic operations with two sets of four-bit data (known as 8-bit arithmetic operations), in which two sets of four-bit data are used to form an 8-bit output. Another application is the implementation of parity generators. A parity generator is a logic circuit which receives the four-bit input data and produces a single bit output which is 0 if the number of 1s in the input is even and 1 if the number of 1s in the input is odd.

The 74LVC86AS14-13 device is also widely used in digital clock circuits. It can be used as a programmable clock, where a set of input data lines are used to “program” the output frequency of the clock. This is especially useful in systems that require vary speeds or frequencies, such as processors and digital signal processors. Furthermore, the 74LVC86AS14-13 is used in digital logic circuits employed in fields such as digital broadcasting, video processing and compression/decompression, multi-communication systems and automotive engineering.

In summary, the 74LVC86AS14-13 is a versatile, high-speed dual 4-input XOR/XNOR gate working on a three-state operation principle. It finds many applications in the field of digital system design, especially in arithmetic operations and parity generation, as well as in digital clock circuits and various digital broadcasting, video processing, and communication systems.

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