DM74AS1805N

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The DM74AS1805N is a Quad 2-Input NAND Gate which features high performance Quad CMOS circuit technology in a 14-pin plastic dual in-line package. It is designed to provide the general logic capabilities that are required in most logic systems. This circuit is comprised of four separate circuits and each one is capable of repairing two logic inputs and providing a single logic output every logic input has its own active low enable input which allow the output to be forced high when the enable input is inactive. It belongs to the Logic - Gates and Inverters (LGI) family.

The DM74AS1805N is an ideal choice for applications requiring fast switching speeds, low power consumption and excellent noise immunity. The wide function supports up to four logic operations per chip for both TTL and CMOS levels. The combined input and output impedance of the DM74AS1805N is far higher than that of conventional TTL devices so it is less susceptible to noise and other external interference. Furthermore its low power consumption, high speed switching and excellent ESD protection is also some of the features which make it so popular amongst designers and engineers.

The main application field of the DM74AS1805N is digital systems which require fast, low power, and reliable switch functions. This can include usage in clocks, pipelining and asynchronous applications, as well as various timing and counting applications. In addition, due to its low power dissipation and excellent noise immunity, the DM74AS1805N is suitable for use in battery powered systems. Due to its versatility and high reliability, the DM74AS1805N is also gaining traction in more traditional analog system applications, such as motor control, audio processing, and robotics.

The DM74AS1805N’s working principle is very simple. Depending on what inputs the DM74AS1805N receives, its output changes either low or high. Every input can be turned off by its active low enable input. For a logic input to be considered active, both inputs must be enabled. At the output, if any input is low, its respective output will be low. Otherwise, its output will be high. When both inputs are high, the output will be low if the enable input is active. This is also known as a NAND function.

In summary, the DM74AS1805N is a very versatile Quad 2-Input NAND Gate, which belongs to the Logic - Gates and Inverters family, and is designed to provide the general logic capabilities that are required in most logic systems. Its main applications include usage in digital and analog systems, such as clocks, pipelining and asynchronous applications, as well as various timing and counting applications, motor control, audio processing, and robotics. Its working principle is based on very simple NAND function – depending on its inputs, the output will change either low or high.

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