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74LS139PC Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
74LS139PCFAI100Yes

74LS139PC is a dual 2-to-4 line decoder/demultiplexer IC manufactured by Fairchild Semiconductor (FAI).

The 74LS139PC is a dual 2-to-4 line decoder/demultiplexer IC manufactured by Fairchild Semiconductor (FAI).

Specifications:

  • Manufacturer: Fairchild Semiconductor (FAI)
  • Part Number: 74LS139PC
  • Technology: Low-Power Schottky (LS)
  • Package: 16-pin DIP (Plastic Dual In-Line Package)
  • Supply Voltage (Vcc): 4.75V to 5.25V (Nominal 5V)
  • Operating Temperature Range: 0°C to +70°C
  • Input Current (High): 20μA (Max)
  • Input Current (Low): -0.36mA (Max)
  • Output Current (High): -0.4mA (Max)
  • Output Current (Low): 8mA (Max)
  • Propagation Delay: 21ns (Typical)

Descriptions:

  • The 74LS139PC contains two independent 2-to-4 decoders in a single package.
  • Each decoder has two select inputs (A, B), an active-low enable input (G), and four active-low outputs (Y0-Y3).
  • It can function as a decoder or demultiplexer, enabling one of four outputs based on the input combination.

Features:

  • Dual 2-to-4 Line Decoder/Demultiplexer
  • Active-Low Enable Input (G)
  • Active-Low Outputs (Y0-Y3)
  • TTL-Compatible Inputs and Outputs
  • Low Power Consumption
  • High Noise Immunity
  • Wide Operating Voltage Range

This IC is commonly used in digital systems for address decoding, memory selection, and data routing applications.

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