SN74LS157DE4

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 SN74LS157DE4 is a logic - signal-switches and multiplexers, decoders type of integrated circuit (IC). It is a simple 4-way data selector/multiplexer IC which allows one out of four data inputs to be selected and redirected to the output. It contains four independent data channels and selection inputs (n[1] to n[4]). It also has an enable pin which enabled/disables all four channels.

The SN74LS157DE4 is most commonly used in digital logic circuits as a selector and simple multiplexer. It can be used to pass multiple inputs to one output, or act as a data-selector switch allowing one input to be selected and passed to the output. The enabling/disabling of inputs can be easily accomplished with the enable pin, allowing for a smaller circuit footprint.

The working principle of the SN74LS157DE4 is based on the selection of an input channel by the control signals (n[1] to n[4] pins). Depending on the logic levels present at the control signals, one of the four data input channels (A to D pins) is selected and its output is directed to the Y (output) pin. When all the control signal pins (n[1] to n[4]) are at logic low level, the fourth input channel (D) is selected. Similarly when the control signal pins are at respective high logic level, first data input channel is selected as the output.

The SN74LS157DE4 can also be used to perform logic functions like arithmetic, AND/OR, parity checker, and many others. In addition, it can also be used in multiplexer applications, memory selection and data select circuits. Moreover, this multi-channel selector IC can be used for multiplexing the serial data into parallel data and vice-versa. Furthermore, the SN74LS157DE4 is also used to generate white noise in digital circuits.

The SN74LS157DE4 is available in a 14-pin DIP package which makes it easy to use in digital systems and a wide variety of embedded circuit applications. The dimensions of the package are 6.4 mm in width, 8.4 mm in length and 3.5 mm in height. The IC is powered by a single +5V voltage supply and has an operating current range of 500 µA to 1 mA. With an advanced CMOS technology, it has a propagation delay time of 3.5ns maximum.

In conclusion, the SN74LS157DE4 is a versatile logic - signal-switches, multiplexers, decoders type of circuit which provides maximum versatility and ease of integration into digital systems. Its ease of use, small size and low current consumption make it an ideal choice for a wide range of embedded circuit applications.

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