• Dual 4-input AND Gate IC - 74HC21-Robocraze
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Dual 4-input AND Gate IC - 74HC21

Dual 4-input AND Gate IC - 74HC21

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  • Number of gate or circuit: 2
  • Number of inputs: 4
  • Pin counts: 14
  • Pin type: through hole
  • Package: PDIP-14
  • It is commonly used in digital circuits to combine multiple input signals and produce an output signal that is dependent on the input states.

Dual 4-input AND Gate IC - 74HC21

The 74HC Series 74HC21 contains two independent 4-input AND gates. The 74HC21 is characterized for operation from 0 °C  to 70 °C. The 74HC21 features is a package Options include Plastic "small outline" packages, ceramic chips carriers and flat packages and plastic and ceramic DIPs.

Pinout:

Pinout Of 74HC21 IC

Package Includes:

  • 1 x IC - 74HC21

Specifications:

Supply Voltage (VCC) 7 V
Input Voltage (VI) 7 V
Operating free-air temperature range 0°C to +70°C 
Storage temperature range –65°C to +150°C

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

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ADDITIONAL RESOURCES

1.What is 74HC21?

  • The 74HC21 is a 4-input dual AND gate. Clamp diodes are used as inputs. This allows for the use of current-limiting resistors to interface inputs to voltages greater than V CC.

2.Can the 74HC21 IC be used in conjunction with other digital circuits? 

  • Yes, the 74HC21 IC can be combined with other digital circuits such as microcontrollers, memory devices, and logic ICs to create a flexible and expandable system design. 

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