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The IC 7402 (SN74HC02N) is a high-speed CMOS Quad 2-input NOR Gate. Each gate performs the Boolean function Y = A + B̅ in positive logic. It operates from a wide voltage range and offers high noise immunity and low power consumption, making it ideal for both industrial and academic digital logic applications.

Key Features:

• Quad 2-input NOR gate in a single 14-pin DIP package
• Operating Voltage: 2V to 6V
• Typical Propagation Delay: 11 ns at Vcc = 5V, CL = 15 pF
• High noise immunity: V_NIH = V_NIL = 0.5 Vcc
• Low power consumption: 1 μA max at 25°C
• Compatible with TTL input logic levels
• Wide operating temperature: -40°C to +85°C
• Standard 14-pin dual in-line package (DIP)

Pin Configuration:

• Pin 1: 1A
• Pin 2: 1B
• Pin 3: 1Y
• Pin 4: 2A
• Pin 5: 2B
• Pin 6: 2Y
• Pin 7: GND
• Pin 8: 3Y
• Pin 9: 3A
• Pin 10: 3B
• Pin 11: 4Y
• Pin 12: 4A
• Pin 13: 4B
• Pin 14: Vcc

Applications:

• Digital Logic Circuits
• Microcontroller interfacing
• Industrial control systems
• Academic and learning projects
• Logic gate experiments and prototyping

Package Includes:

• 1 x IC 7402 (SN74HC02N) – Quad 2-input NOR Gate