SN74LS32DR

Current - Output High, Low:	400µA, 8mA
Base Part Number:	74LS32
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:	22ns @ 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:	2
Number of Circuits:	4
Logic Type:	OR Gate
Part Status:	Active
Packaging:	Tape & Reel (TR)

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SN74LS32DR is a popular integrated circuit used in many kinds of applications. It is an inverted Quad 2-Channel Multiplexer Logic Gate. The device contains four 2-input Multiplexer Logic gates with active low enable, making it an ideal choice for digital applications that require signal multiplexing or multiplexed switching. It can also be used as an inverter in logic circuits as it has a built in active low inverter. This article will discuss the application fields of SN74LS32DR and the principles on which it works.The most common application of SN74LS32DR is in signal multiplexing. The device has four separate muxed outputs, with each output being a combination of two separate muxed inputs. Thus, it can be used to multiplex multiple signals into one output. This means that the same signal can be used simultaneously for multiple purposes. For example, in analog signal processing applications, it may be used to multiplex various analog signals into one output signal. The device also features an active low successful enable input, which helps to prevent false switching between multiplexed signals.Another application of the SN74LS32DR is as an input selector in digital logic circuits. It can be used to select between two inputs in order to switch the output of the circuit. The device contains active low inputs which can be used to enable the selected input, thus allowing for the selection of the desired input. The device also has a built in active low inverter, which allows for the switching of signals in digital logic circuits.The SN74LS32DR works on the principles of Boolean logic. The most important principle used is known as "NAND Gates". This is a logic gate that is functionally analogous to the OR gate, but has the inversion of the outputs to the input. This means the output of the NAND gate is "Low" when all inputs are "High" and the output of the NAND gate is "High" when any of the inputs is "Low". This is important in logic circuits, as it allows for the selection of the desired logic condition and the consequent switching of the output.The device contains four NAND gates cascaded together, with each having two inputs. This means that all four inputs are applied to the first NAND gate, and the output of this NAND gate is applied to the second NAND gate, and so on. The output of the fourth NAND gate is the overall output of the SN74LS32DR, making it an ideal choice for multiplexing applications. The enable input is connected to all four NAND gates, thus allowing for multiplexing.Overall, the SN74LS32DR is a very versatile logic device with many application areas. It is commonly used as an input selector in digital logic applications and as a multiplexer in analog signal processing applications. It works on the principles of NAND gates and can be used to multiplex several inputs into one output. Its active low inverter also adds to its versatility, making it a favored choice for digital designers.

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