MC74AC139DG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Decoder/Demultiplexer
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Digital logic decoder/demultiplexer
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 5ns (typical)
• Maximum Quiescent Current: 4μA at 5.5V

Detailed Pin Configuration

The MC74AC139DG has a total of 16 pins arranged as follows:

__ __ A1 |1 \__/ 16| VCC B1 |2 15| A0 Y1 |3 14| B0 Y0 |4 MC 13| GND B0 |5 74 12| Y2 A0 |6 AC 11| B2 GND |7 139 10| A2 Y2 |8 9| B3 ----------

Functional Features

• Decodes two binary-coded inputs into four mutually exclusive outputs
• Can be used as a demultiplexer by enabling one of the outputs based on the input combination
• Provides efficient data routing and selection capabilities
• Enables easy interfacing between different digital components

Advantages

• High-speed operation allows for quick data processing
• Low power consumption helps in reducing energy usage
• Wide operating voltage range ensures compatibility with various systems
• Small package size (SOIC) makes it suitable for space-constrained applications

Disadvantages

• Limited number of outputs (four) may not be sufficient for complex applications requiring more output lines
• Propagation delay time may introduce timing issues in certain high-speed applications

Working Principles

The MC74AC139DG is a decoder/demultiplexer IC that takes two binary-coded inputs (A1, A0) and decodes them into four mutually exclusive outputs (Y0, Y1, Y2, Y3). The selected output is determined by the input combination. When used as a demultiplexer, one of the outputs can be enabled based on the input combination.

Detailed Application Field Plans

The MC74AC139DG is commonly used in various digital systems and applications, including: - Address decoding in microprocessors and microcontrollers - Data routing and selection in multiplexers - Signal decoding in communication systems - Control logic in digital circuits - Interface circuitry between different digital components

Detailed and Complete Alternative Models

• 74HC139: Similar decoder/demultiplexer IC with slightly different specifications
• CD74AC139: Another alternative with similar functionality but different package options
• SN74AC139: Texas Instruments' version of the decoder/demultiplexer IC

Note: These alternative models may have variations in characteristics, pin configuration, and packaging. It is important to refer to their respective datasheets for detailed information.

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