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74HC02 - Quad 2-Input NOR Gate IC

74HC02 - Quad 2-Input NOR Gate IC

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  • Four Independent NOR Gates
  • This is a 14 Pin IC
  • Also Available in SMD Type
  • Operating Temperature to 70 Deg C
  • High-Speed CMOS Type

74HC02 - Quad 2-Input NOR Gate IC

The 74HC Series 74HC02 IC is a 14-Pin Quad 2-Input NOR Gate IC. NOR gates utilize advanced silicon-gate CMOS technology to achieve operating speeds similar to LS-TTL gates with the low power consumption of standard CMOS integrated circuits. All gates have buffered outputs, providing high noise immunity and the ability to drive 10 LS-TTL loads.
The 74HC logic family is functionally as well as pin-out compatible with the standard 74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and the ground.


Pinout Of 74HC02 IC
Also check 74LS12 NAND Gate IC (Pack of 5). Which is used for logical decision making and circuits involving conditional operations.

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Selected qty of IC - 74HC02


Operating Voltage Range 2.0 to 6.0 V
Package DIP−14
DC Input Current, per Pin ±20 mA
DC Output Current, per Pin ±25 mA
Temperature Range – 65°C to + 150° C

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1.What is the pin configuration of the 74HC02 IC?

  • The 74HC02 integrated circuit contains 14 pins, two inputs and one output per gate. Ground (GND) is pin 7, and positive supply voltage (Vcc) is pin 14. Each of the four NOR gates has input and output pins 1-6 and 8-13.

2.What is the maximum input voltage for the 74HC02 IC?

  • The 74HC02 is a quad 2-input NOR gate IC, which contains four independent NOR gates. The maximum input voltage for the 74HC02 IC is Vcc + 0.5V. For example, if the supply voltage (Vcc) is 5V, the maximum input voltage is 5.5V.