SN74LS04DG4

Current - Output High, Low:	400µA, 8mA
Base Part Number:	74LS04
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SOIC
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Max Propagation Delay @ V, Max CL:	15ns @ 5V, 15pF
Logic Level - High:	2V
Logic Level - Low:	0.8V
Series:	74LS
Voltage - Supply:	4.75 V ~ 5.25 V
Features:	--
Number of Inputs:	6
Number of Circuits:	6
Logic Type:	Inverter
Part Status:	Active
Packaging:	Tube

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SN74LS04DG4 Application Field and Working Principle

The SN74LS04DG4 is a high performance, low cost, four-input TTL (Transistor–Transistor Logic) package from Texas Instruments (TI). This robust component of the SN74LS04 family of logic gate and inverter solutions is designed for use in all types of circuit designs, from automotive, industrial, and medical to consumer electronics. Its four inputs offer fast, accurate logic processing and quick response to changes in the output logic levels. TI’s SN74LS04DG4 is designed as a general-purpose logic as a building block for systems. Its features include four TTL (Transistor–Transistor Logic) inputs, two TTL outputs, and totem-pole output capability. The built-in 3-state driver provides the user with a high speed, low power, and reliable logic solution. There are also protection diodes included that are designed to limit the current of the inputs. With regards to its application field, the SN74LS04DG4 can be used to quickly and accurately perform arithmetic and logic operations in signal conditioning and control systems including automotive, industrial and medical equipment. It is ideal for applications such as CPU designs and digital signal processing. In the case of digital signal processing, the SN74LS04DG4 is well suited for real time and time critical applications, such as pulse-width modulation or signal averaging that require higher speed and accuracy of operation.The SN74LS04DG4 achieves its performance through the use of a unique combination of three logic circuit families: Schottky logic, MSI (medium-scale integration) logic, and bipolar logic. Each type of logic family has its own suite of logic functions and uses a different approach to achieve fast and reliable performance. For example, Schottky logic uses the properties of resistors and capacitors in the series and parallel circuits to limit the flow of electric current. MSI logic, meanwhile, is designed with higher order logic devices such as flip-flops and shift registers to provide more accurate and efficient operations. Finally, bipolar logic utilizes the properties of transistors to provide the necessary logic functions.In terms of the working principles of SN74LS04DG4, the devices are designed to accept input signals from its four inputs. The output is then either high (1) or low (0) based on the input values given. The inputs must be organized in a logic coordinate system (i.e. 4-inputs NAND gate, OR gate, etc) for the output to properly function. The SN74LS04DG4 also provides protection diodes which limit the flow of current and protect the logic gate against excessive electric charge during operation.Overall, the SN74LS04DG4 is an ideal solution to quickly perform complex logic operations. In addition to being reliable and providing protection diodes, it is also cost effective and highly efficient. Thanks to its combination of three different types of logic circuit families, it provides the user with the high-precision operation needed for time-sensitive applications. Thus, it can be used in an array of different control, signal conditioning, and digital signal processing systems.

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