SN74AHC138DG4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The SN74AHC138DG4 is an advanced high-speed CMOS device that is widely used as a logic-signal switch, multiplexer, and decoder for a variety of communications systems. The device features three-state outputs and is guaranteed to operate over an extended voltage range of 2.0V to 5.5V. The device is also equipped with a unique “sleep mode” that reduces power consumption when the device is idle.

This device is an ideal choice for applications where low-cost and low-power inputs are essential. It can be used to multiplex and create a wide range of control signals in a variety of different applications. The device utilizes 3-state output logic and has the ability to reconfigure data input lines depending on the logic levels of multiple input signals.

The SN74AHC138DG4 is an example of a “gate array” technology, which means that it is composed of multiple logic gates that can be connected together in different configurations in order to implement different requirements such as multiplexing or decoding. The device integrates two independent 8-input multiplexers and one open-collector output transition. It contains eight active-high data inputs and three active-low select inputs. When the select inputs are enabled, they determine which one of the eight data inputs will be connected to the open-collector output.

The working principle of SN74AHC138DG4 logic device can be best described in the following three steps:

1. The signal at the select inputs determine which data input (or set of data inputs) will be connected to the open-collector output. The signal is typically active-low.

2. When the signal is set to a high logic level, the outputs transition to a high impedance state, disabling the outputs.

3. When the signal is set to a low logic level, the output transistors switch in, connecting the selected data inputs to the open-collector output.

The SN74AHC138DG4 is used in many applications that require a wide range of logic-level signals and multiplexing or decoding capabilities. It is used in many communications systems, such as those that control satellite transmissions, cable television, and digital high definition television. It is also used in data acquisition hardware and industrial process control systems. It is suitable for use in a wide range of applications due to its low cost, low power consumption, and ability to operate over a wide voltage range.

In summary, the SN74AHC138DG4 is an advanced high-speed CMOS device that is used as a logic-signal switch, multiplexer, and decoder for a variety of communications systems. It is an example of a “gate array” technology that is composed of multiple logic gates. The device integrates two independent 8-input multiplexers and one open-collector output transition. It features three-state outputs, low power consumption, and the ability to operate across an extended voltage range. The device is used in many applications that require a wide range of logic-level signals and multiplexing or decoding capabilities.

The specific data is subject to PDF, and the above content is for reference