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DM74S139N Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
DM74S139NNS110Yes

DM74S139N is a dual 2-to-4 line decoder/demultiplexer manufactured by National Semiconductor (NS).

The DM74S139N is a dual 2-to-4 line decoder/demultiplexer manufactured by National Semiconductor (NS). Here are its key specifications:

  • Logic Family: 74S (Schottky TTL)
  • Function: Dual 2-line to 4-line decoder/demultiplexer
  • Operating Voltage: 5V (standard TTL levels)
  • Propagation Delay: Typically 9 ns
  • Power Dissipation: 500 mW (max)
  • Input Current (High): -1.6 mA (max)
  • Input Current (Low): 2 mA (max)
  • Output Current (High): -1 mA (max)
  • Output Current (Low): 20 mA (max)
  • Operating Temperature Range: 0°C to +70°C
  • Package: 16-pin DIP (Dual In-line Package)

This device features active-low outputs and includes two independent decoders, each with an enable input.

(Source: National Semiconductor datasheet for DM74S139N.)

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