MC74HC4851ADTR2

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The MC74HC4851A is an octal CMOS multiplexer/demultiplexer that allows 8 bits of data to be transmitted from a single source to multiple destinations. It features a low off-state resistance (RDs(OFF) = 2Ω max) to reduce power consumption and improve system performance. As an analog switch, this device is ideal for multiplexing applications such as radio frequency (RF) switching or switching in line or load signals. This device has two address pins (A0, A1) and provides output selection with either the HIGH logic level or the LOW logic level.

The MC74HC4851A is designed for 2.0V to 6.0V VCC operation using 3-state CMOS logic levels. Propagation delays are minimally affected at various VCC and temperatures. Low power consumption is achieved by providing 1/8th the power consumption of an equivalent BTL (bipolar emitter coupled logic) circuit. The MC74HC4851A is available in a 16-DIP (400 mil) package.

The MC74HC4851A offers several performance benefits related to its application field, such as the ability to switch faster than a mechanical switch, better linearity control and better isolation between channels. It also offers the advantage of being able to support multiple routes, which makes it suitable for a wide range of applications.

The working principle of the MC74HC4851A is based on the concept of a multiplexer and demultiplexer. A multiplexer is a device that allows the user to select one input from multiple inputs and sends that input to an output. Similarly, a demultiplexer is a device that takes an input from one line and sends it to an appropriate output line. The MC74HC4851A has two address pins (A0 and A1) that are used to select which input line will be connected to the output line when the device is enabled.

The MC74HC4851A is primarily used as an analog switch in applications such as RF switching, switching audio signals, and voltage level shifting. Its low off-state resistance (RDs(OFF)=2Ω max) reduces power consumption and improves system performance. It is also used as a multiplexer/demultiplexer in logic and memory systems, where multiple low-voltage power-supply systems and logic levels must be interfaced.

The MC74HC4851A is a robust device that is designed for wide range operating temperature and voltage conditions. It has been rigorously tested for guaranteed operation over a single temperature range and multiple voltage conditions. Its design flexibility makes it suitable for usage in a variety of different applications, and its low power consumption provides an improved system performance.

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