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HD74LS139P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HD74LS139PHIT293Yes

HD74LS139P is a dual 2-to-4 line decoder/demultiplexer IC manufactured by Hitachi (HIT).

The HD74LS139P is a dual 2-to-4 line decoder/demultiplexer IC manufactured by Hitachi (HIT).

Specifications:

  • Logic Family: LS (Low-Power Schottky)
  • Function: Dual 2-to-4 Line Decoder/Demultiplexer
  • Package Type: DIP (Dual In-line Package)
  • Pin Count: 16
  • Supply Voltage (VCC): 4.75V to 5.25V
  • Operating Temperature Range: 0°C to +70°C
  • Propagation Delay (Typical): 15 ns
  • Input Current (Max): 0.36 mA
  • Output Current (Max): 8 mA (High), 16 mA (Low)
  • Power Dissipation (Max): 45 mW

Descriptions:

The HD74LS139P consists of two independent 2-to-4 line decoders with active-low outputs. Each decoder has two select inputs (A, B), an active-low enable input (G), and four active-low outputs (Y0-Y3).

Features:

  • Dual Decoder: Contains two separate 2-to-4 decoders in a single package.
  • Active-Low Outputs: Outputs are inverted (low when selected).
  • Enable Input: Each decoder has an enable (G) input for control.
  • Schottky Technology: Provides high-speed operation with low power consumption.
  • Wide Operating Voltage: Compatible with standard TTL logic levels.

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official Hitachi documentation.

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