SN74F138DG4

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The SN74F138DG4 is a logic-signal switch, multiplexer, and decoder and is widely used in many industries because of its versatility. The SN74F138DG4 is a single three-channel multiplexer with select inputs S0, S1, and S2. The SN74F138DG4 has up to three (or more) data input lines, one data output line, and one select line. The output is enabled when the select line is asserted (“high”). There is also an active-low enable line which allows the output to be disabled.

The SN74F138DG4 is a low-power IC, consuming only 0.7 mA of current while in active operation. It is also fairly inexpensive, making it a popular choice for many applications. It is available in both 8-pin PDIP (plastic dual in-line package) and 14-pin SOIC (small-outline integrated circuit) versions. The 8-pin PDIP version is particularly popular, as it is smaller than other logic ICs and requires fewer pins.

The SN74F138DG4 requires two different kinds of supply voltages - a low supply voltage (VSS) and a high supply voltage (VDD). VDD must always be higher than VSS. The SN74F138DG4 has a maximum voltage rating of 18V. The SN74F138DG4 also needs a decoder enable input (EN), which can be used to disable the IC. When EN is high, the IC is active and the outputs can be decoded. When EN is low, the IC is disabled, so the outputs are all low.

The SN74F138DG4 is a 3-8 single-channel decoder. It is designed to select one (or more) of eight outputs depending on the input. The SN74F138DG4 has three select inputs, with eight possible select patterns. A truth table shows the relationship of the select inputs to the output lines. Once the correct select pattern has been provided, the corresponding output will be activated.

The SN74F138DG4 is used in a wide variety of applications, including industrial control systems, digital logic systems, automation systems, and more. It is often used to control multiple devices simultaneously, such as in motor control systems. It can also be used to decode memory addresses, multiplex digital signals, and perform other logic functions. The SN74F138DG4 can be found in many consumer electronics and other electronic systems, as it offers a reliable, low-cost solution for multiplexing.

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