SN74LS399DG4

Series:	74LS
Packaging:	Tube
Part Status:	Obsolete
Type:	Multiplexer
Circuit:	4 x 2:1
Independent Circuits:	1
Current - Output High, Low:	400µA, 8mA
Voltage Supply Source:	Single Supply
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	74LS399

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The SN74LS399DG4 is a monolithic integrated circuit that is part of the Logic - Signal Switches, Multiplexers, Decoders, category. It is intended to provide a diverse range of user-defined functions in electrical and electronic applications. This integrated circuit uses a complementary logic structure to reduce power consumption and improve system reliability. It is widely used across a variety of industries, including consumer electronics, telecommunications, security, and industrial automation.The SN74LS399DG4 is a quad 4-line-to-2-line multiplexer and 6-line decoder logic device. It is designed for use with low voltage logic families, such as CMOS, TTL and DTL. It has an operating temperature range of -55°C to +125°C and an operating range of 4.5V to 5.5V.The SN74LS399DG4 integrates four dual 4-to-2 multiplexers, one 6-line decoder, and one inverter onto a single chip. The multiplexers provide switch selections. The decoder decodes the input binary code. The inverter works as an active low output stage.The SN74LS399DG4 has four 4-line-to-2-line multiplexers on one side, and a 6-line decoder and active low output stage on the other side. The multiplexers can be used to select between two different signals. The multiplexers are composed of two 4-to-2 multiplexers that are combined to perform a 4-to-1 multiplexing operation. Each multiplexer has four inputs, two select lines, and one output.The 6-line decoder is responsible for decoding the input binary code (4-3-2-1) into its 6 output lines. The active low output stage is used to provide active low outputs. The SN74LS399DG4 is functionally compatible with the 74LS139 and 74LS294 6-line decoders.The SN74LS399DG4 is used in a variety of applications, such as security systems, automated process control, measuring instrumentation, and communications systems. It is used to control digital devices and circuit configurations, as well as to multiplex data and select signals.In summary, the SN74LS399DG4 is a versatile Logic - Signal Switches, Multiplexers, Decoders, integrated circuit offering a wide range of signal multiplexing and decoding functions. It functions as a 4-line-to-2-line multiplexer, a 6-line decoder, and an active low output stage. It is used in a variety of applications across many industries, such as security systems, automated process control, measuring instrumentation, and communications systems.

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