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Sn74hc21n 74hc21 Dual 4-input Positive-and Gates Breadboard-friendly Ic Dip-14



The SN74HC21N is a specific type of integrated circuit (IC) that belongs to the 74HC series of logic gates. Here’s a detailed description of the SN74HC21N IC:

  1. Part Number: SN74HC21N

    • This alphanumeric code identifies the specific IC model.
  2. Function: Dual 4-Input Positive-AND Gates

    • The SN74HC21N is a digital logic IC that contains two individual 4-input AND gates. These gates perform logical AND operations on their respective input signals.
  3. Technology: CMOS (Complementary Metal-Oxide-Semiconductor)

    • The 74HC series uses CMOS technology, which offers a good balance between power consumption and speed, making it suitable for a wide range of digital logic applications.


Here are the key features of the SN74HC21N 74HC21 Dual 4-Input Positive-AND Gates IC in a DIP-14 package in a concise format:

  1. Dual 4-Input AND Gates: Contains two 4-input AND gates for logical operations.

  2. Breadboard-Friendly: Designed for easy insertion into breadboards without soldering.

  3. Logic Compatibility: Compatible with CMOS and TTL logic families.

  4. Wide Supply Voltage Range: Typically operates from 2V to 6V DC.

  5. Low Power Consumption: Suitable for low-power or battery-operated devices.

  6. High-Speed Operation: Offers efficient signal processing.

  7. Input Protection: Includes built-in protection against electrical hazards.

  8. RoHS Compliance: Environmentally friendly and RoHS compliant.


Here’s a concise summary of the specifications for the SN74HC21N:

  • Function: Dual 4-Input Positive-AND Gates IC
  • Package Type: DIP-14 (Dual In-line Package)
  • Supply Voltage Range: 2V to 6V DC
  • Input Compatibility: CMOS and TTL logic families
  • Propagation Delay: Typically within nanoseconds range
  • Operating Temperature Range: -40°C to 85°C
  • Logic Function: Implements 4-input AND gate logic
  • Breadboard-Friendly: Suitable for prototyping without soldering

Package include:

1xSN74HC21N 74HC21 Dual 4-Input Positive-and Gates Breadboard-Friendly IC DIP-14


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