NLV74LCX138DR2G

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The NLV74LCX138DR2G is a high speed low voltage, low power CMOS device designed to implement low voltage and low power 3-8 line decoders or demultiplexers. It is characterized by high-speed operation and low-power dissipation. The NLV74LCX138DR2G is capable of transforming data from one logic level to another and out of all three-state logic output enables fast, low power expansion of data buses.

This device is part of a broad family of low voltage CMOS logic devices, belonging to the 74LCX Logic-Signal Switches, Multiplexers and Decoders category. It has a single supply voltage range of 2.0V–2.7V, 1.2V–3.6V, or 1.8V–3.3V, a propagation delay of 18.5ns, and a low power dissipation of 1.1mA maximum. It is also compatible with TTL logic levels, providing a wide variety of logic functions.

The NLV74LCX138DR2G works by combining two functions, either decoding or demultiplexing, depending on the configuration chosen. In its decoding configuration, it takes an n-bit input data word and decodes it into 2n output lines. By applying a suitable enable signal (E), data is decoded and propagated to the output similar to a multiplexer. In its demultiplexing configuration, address lines (A0, A1,…An-1) are used to select one of the 2n output lines, while data is applied to the input. The output of the NLV74LCX138DR2G is three-stated until enabled by the chip select control input (E). Taking into account that the device is 3-8 decoder/demultiplexer, the number of address inputs (A0 to An-1) needs to match the number of select inputs (E). ENABLE INPUT must be a logic ‘1’ to enable the outputs.

Due to its low voltage range and low power dissipation, the NLV74LCX138DR2G is ideal for a variety of applications, especially in the areas of data communications and switching, data transport, and signal routing. Its speed and wide variety of logic functions make it perfect for use in multiplexing and demultiplexing applications, especially in data bus expansion and address decoding operations. Moreover, the device is available in various packages, so it is suitable for a broad range of applications.

In summary, the NLV74LCX138DR2G belongs to the 74LCX Logic-Signal Switches, Multiplexers, Decoders category. It is designed to implement high-speed, low-power 3-8 line decoders or demultiplexers, and it is characterized by a single supply voltage range of 2.0V–2.7V, 1.2V–3.6V, or 1.8V–3.3V, a propagation delay of 18.5ns, and a low power dissipation of 1.1mA maximum. Its combination of speed, low power, and multiple logic functions make it ideal for a variety of applications, such as data communication, signal routing, data transport, and address decoding.

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