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DM74AS21N Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
DM74AS21NNS320Yes

DM74AS21N is a dual 4-input AND gate integrated circuit manufactured by National Semiconductor (NS).

The DM74AS21N is a dual 4-input AND gate integrated circuit manufactured by National Semiconductor (NS).

Key Specifications:

  • Logic Family: 74AS (Advanced Schottky)
  • Function: Dual 4-input AND gate (two independent gates)
  • Supply Voltage (VCC): 4.5V to 5.5V (standard 5V operation)
  • Propagation Delay: Typically 4.5 ns (at 5V, 25°C)
  • Power Dissipation: ~50 mW per gate (typical)
  • Operating Temperature Range: 0°C to +70°C (commercial grade)
  • Input Current (High/Low): ±20 μA (max)
  • Output Current (High/Low): ±15 mA / 48 mA
  • Package Type: 14-pin DIP (Dual In-line Package)

Pin Configuration:

  • Gate 1 Inputs: Pins 1, 2, 4, 5
  • Gate 1 Output: Pin 6
  • Gate 2 Inputs: Pins 9, 10, 12, 13
  • Gate 2 Output: Pin 8
  • VCC (Pin 14), GND (Pin 7)

The DM74AS21N is designed for high-speed digital logic applications with improved speed and power efficiency compared to standard TTL.

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