SN74LS30DG4

Current - Output High, Low:	400µA, 8mA
Base Part Number:	74LS30
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:	20ns @ 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:	8
Number of Circuits:	1
Logic Type:	NAND Gate
Part Status:	Active
Packaging:	Tube

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Introduction:
The SN74LS30DG4 is an integrated circuit (IC) commonly used in circuit boards, designed and manufactured by Texas Instruments. This IC is a quad 2-input NAND gate featuring individual Schmitt-trigger inputs. It offers good noise immunity, low propagation delay, flat output rise and fall times to be used for high-speed logic operations. It is widely used for logic operations in digital systems. Features:
The SN74LS30DG4 is a versatile integrated circuit, featuring several capabilities and functionalities. These are some of its main features: - Low voltage: The IC operates at a supply voltage of 1.35V minimum and 5.5V maximum. - High input impedance: Each TTL-compatible input is designed with a Schmitt trigger and a high input impedance diode.- Noise protection: The device also has reliable noise protection on the inputs, allowing detecting noise pulses at its input and output.- Output driver: The SN74LS30DG4 has an output that can source 0.1mA and sink 8mA, allowing for reliable current level switching.- Operating temperature range: Operates from -40°C to +85°C.Application field:
The SN74LS30DG4 can be used in several fields, for example: - Automation: Automation systems use this IC for logic operations, such as sequence control, condition control and arithmetic logic functions. - Industrial automation: Programs for industrial automation often require the integration of this type of NAND gate for its powerful features.- Test and measurement: The IC is often incorporated into test and measurement applications, such as voltage and current monitoring, automotive and power energy measurements. - Communication: The noise protection feature makes this device suitable for communication applications, by providing reliable data transfer in noisy environments. Working principle:
The SN74LS30DG4 is a quad 2-input NAND gate. It has two independent input signals that are logic-compatible and one output. All the input signals are processed as a single data unit. When one of the inputs receive a LOW signal, then the output goes HIGH; similarly, a HIGH input will generate a LOW output. In other words, it works with the following logic function: Output = A⋅B with A,B being the input signals.The IC also has two separate Schmitt-trigger connected to two of its inputs, providing noise immunity and better handling of digital signals. This functionality prevents false switching due to contact bounce and power line spikes. Additionally, this IC requires a minimal voltage drop of 1.35V while operating and can sink up to 8mA of current being driven into its output. The SN74LS30DG4 is a versatile integrated circuit, suitable for many types of applications for its features and working principles. Its low voltage operation and superior noise immunity make it suitable for communication applications and its high output driver makes it suitable for logic operations in digital systems.

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