74LS02 Quad 2-Inputs NOR Gate IC

74LS02 is a quad 2 input NOR gate IC, which means it has four independent NOR gates, each with two inputs and one output. The NOR gate is a digital logic gate that implements logical NOR – it behaves according to the truth table to the right.

A HIGH output results if both the inputs to the gate are LOW; if one or both input is HIGH, a LOW output results.

The 74LS02 is a member of the 74LS logic family, which is a low-power Schottky logic family. This means that it consumes less power than other logic families, such as the 74HC family. The 74LS02 is also a TTL (transistor-transistor logic) gate, which means that it uses transistors to perform its logic operations.

74LS02 NOR gate IC that operates in the low-power Schottky (LS) logic family. It has four independent NOR gates, each with two inputs and one output. The output of each gate is high when both inputs are low, and low when either input is high.

74LS02 NOR GATE also comes up with internal protection from discharge using clamp diodes, which keep it protected from any internal voltage leakage activity.

74LS02 is a 14 pin ic with four NOR gates each gate has two inputs hence it called Quad 2 input nor gate. The IC is functional with all other 74LS logic family and it can be operating with any microcontroller or IC due to its low output compatibility.

The 74LS02 is a TTL (Transistor to Transistor Logic) which uses low power Shottky transistors to reduce the stored charge and get higher switching speeds than with conventional bipolar transistors. 74LS02 is a 14 pin IC that has four NOR gates each NOR gate has two inputs & one output.

NOR gate is a digital logic gate that implements logical NOR – it behaves according to the truth table to the right. A HIGH output results if both the inputs to the gate are LOW; if one or both input is HIGH, a LOW output results.

Features : –

7402 IC is a device containing four independent gates each of which performs the logic NOR function.

Here are some of the features of the 74LS02:

• Four Independent 2-Input NOR Gates
• Outputs Directly Interface to CMOS, NMOS and TTL
• Large Operating Voltage Range
• Wide Operating Conditions

74LS02 Quad 2-Inputs NOR Gate IC Specifications : –

In Digital Electronics NOR Gate is the logic gate that produces an output High (1) if one Or both the inputs to the gate are Low (0). NOR is the result of the negation of the OR operator.

Here are some of the specifications of the 74LS02:

• Operating voltage: 4.75 to 5.25 V
• Maximum supply voltage: 7 V
• Maximum current allowed to draw through each gate output: 8 mA
• TTL outputs
• Low power consumption
• Maximum ESD: 3.5 KV
• Typical Rise Time: 15 ns
• Typical Fall Time: 15 ns
• Operating temperature: 0°C to 70°C
• Storage Temperature: -65°C to 150°C

74LS02 Quad 2-Inputs NOR Gate IC Applications : –

This device contains four independent gates each of which performs the logic NOR function. 

74LS02 is a versatile IC that can use in a wide variety of applications. Some common applications include:

• Logic gates
• Counters
• Sequential circuits
• Data acquisition
• Control systems
• Industrial automation
• Test and measurement

Package : –

1 x 74LS02 Quad 2-Inputs NOR Gate IC

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