74AC11138PWR

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The 74AC11138PWR is a high-performance CMOS logic circuitry device. It is part of the logic family of logic-signal switches, multiplexers and decoders, which are integrated circuit devices with extremely stable digital circuits. The device is designed to provide well-defined logic levels with excellent temperature compensation, low-power consumption, high performance and low noise. The 74AC11138PWR is a quad 2-input multiplexer that features four independent data selection gates with no internal connection between the inputs or outputs.

The multiplexer features three control lines and four data inputs. The input signals are connected to the digital high and low logic lines that are provided by the logic device. The digital high and low logic lines are derived from the logic select line and provide control signals for the data selection gates. Depending on the logical combination of the logic inputs, one of the four data inputs is selected and connected to the corresponding output. All unused inputs to the multiplexer must be connected through pull-up resistors. The unused data output pins must be connected to pull-down resistors.

The 74AC11138PWR has a number of important uses in the field. It is commonly used for switching signals between two clock domains, such as two separate microcontrollers or microprocessors, or between two different logic systems. It is also used in the clock domain multiplexing of time critical systems, where signals need to be multiplexed with minimum data delay. It can also be used in data conversion applications, where data is converted between different digital formats or between a digital and an analog format. In addition, it is also used in the parallel multiplexing of digital data and memory address signals, allowing data to flow quickly between multiple data sources.

The working principle of the 74AC11138PWR is simple yet effective. The device is designed to receive external control signals that are used to select the desired input data line and connected to the corresponding output line. The multiplexer can be used to switch between two data sources or two clock domains, depending on the configuration of the control lines. Depending on the value of the control lines, the multiplexer will either select the internal logic circuit or the external logic circuit. Depending on the logic levels of the control line, the multiplexer will select the desired data and connect it to the corresponding output. The multiplexer can be used to convert between different digital formats, convert between digital and analog formats, or multiplex memory address signals.

In conclusion, the 74AC11138PWR is an ideal solution for signal switching, data conversion and signal multiplexing applications. It features low power consumption, high performance and excellent temperature compensation, allowing it to provide reliable logic levels. The multiplexer is commonly used in applications where signals need to be switched between two clock domains, multiplexed with minimum data delay, or converted between digital and analog formats. Furthermore, it can also be used in parallel multiplexing of digital data and memory address signals, allowing data to flow quickly between multiple data sources.

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