SN74S85N

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The SN74S85N is a high-speed 4-bit magnitude comparator designed using complementary metal oxide semiconductor (CMOS)-immune CMOS technology. It is used to compare two words of equal length, usually 4-bit words. The SN74S85N can detect when one word is larger than another, smaller than another, or equal to another. It is often used to store and compare binary data. This article will explain the application field and working principle of the SN74S85N.

The SN74S85N is widely used in computers, automotive systems, and in the medical field. In the computer field, it is used to compare and store binary data, such as memory address, status flags, and machine words. In automotive systems, it is used to compare and store data in sensors and actuators. In medical systems, it is used to compare and store physiological data, such as heart rate and respiration rate.

The SN74S85N is a 4-bit, 16-pin device. It has four inputs, A0–A3, and four outputs, B0–B3. Each of these inputs and outputs is connected to its own pin. The comparator also has an enable pin, which is connected to an external power source. The SN74S85N also has two control pins: a Master Reset (MR) pin and a Compare (CMP) pin.

When the SN74S85N is activated, it compares the contents of the A and B inputs, and if the data of A is greater, the B outputs turn high; if the data of B is greater, the B outputs turn low. If A and B are equal, then the B outputs remain unchanged. The MR signal is used to reset the output state of the comparator. The CMP signal is used to initiate the compare cycle.

The SN74S85N is an energy-efficient and cost-effective 4-bit magnitude comparator. Its ease of integration and superior performance make it an ideal solution for applications requiring magnitude comparison and storage of 4-bit binary data. It is used in computers, automotive systems, and in the medical field, where it compares and stores data for various applications.

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