SN74LS257BNG4

Series:	74LS
Packaging:	Tube
Part Status:	Active
Type:	Multiplexer
Circuit:	4 x 2:1
Independent Circuits:	1
Current - Output High, Low:	2.6mA, 24mA
Voltage Supply Source:	Single Supply
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Through Hole
Package / Case:	16-DIP (0.300", 7.62mm)
Supplier Device Package:	16-PDIP
Base Part Number:	74LS257

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Logic - Signal Switches, Multiplexers, Decoders

The SN74LS257BNG4 is a logic chip that belongs to a group of devices called "signal switches, multiplexers, and decoders". In this article we will discuss the application field and working principle of this chip.A signal switch can be used to switch between two or more digital signal sources. This allows for the use of multiple devices that run off the same signal source. For example, a multiplexer can be used to switch between two or more video sources, allowing a single display to show different video sources at the same time.A multiplexer is used to switch between multiple signals. Typically, the output of a multiplexer will contain signals from each of the inputs. The purpose of a multiplexer is to reduce the number of pins needed to connect multiple signals together.A decoder is used to convert one digital signal into multiple analog signals. It is typically used to convert a serial input signal to a parallel output signal. For example, a multiple-input decoder can be used to convert multiple serial signals into a single parallel signal.The SN74LS257BNG4 is a signal switch, multiplexer, and decoder. It is designed to provide signal switching, multiplexing, and decoding functions in a single chip. It is a dual eight-input multiplexer that can be used to switch between two or more digital signal sources. It also has an input port for the selection signal, so that different signals can be selected by the user.The chip also has a decoding function. In this mode, it can convert a single serial digital signal into two parallel analog signals. It can also be used to convert a single digital signal into multiple parallel digital signals.The SN74LS257BNG4 chip is used in many different applications such as data acquisition, communications, and video. In addition, it is used in many different electrical and electronic systems.The SN74LS257BNG4 chip is relatively easy to use and has a simple set of instructions for setting up the device and programming the device for different tasks. For example, the user can select the number of input and output pins, select the input and output pin modes, and select the decoding mode.In summary, the SN74LS257BNG4 is a signal switch, multiplexer, and decoder that can be used in a variety of applications. It is a useful device that can provide signal switching, multiplexing, and decoding functions with a single chip.

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