SN74AHC139DGVR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Decoder/Demultiplexer
• Characteristics:
  • High-speed CMOS technology
  • Low power consumption
  • Wide operating voltage range
  • Multiple package options
• Package: VSSOP-16
• Essence: Dual 2-to-4 line decoder/demultiplexer
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (typical)
• Maximum Quiescent Current: 1 μA

Detailed Pin Configuration

The SN74AHC139DGVR has a VSSOP-16 package with the following pin configuration:

__ __ A1 |1 \__/ 16| VCC A0 |2 15| Y0 E1 |3 14| Y1 E2 |4 13| Y2 Y3 |5 12| Y3 GND|6 11| Y4 Y7 |7 10| Y5 Y6 |8 9| Y6 ‾‾ ‾‾

Functional Features

• Dual 2-to-4 line decoder/demultiplexer
• Decodes two binary inputs into four mutually exclusive outputs
• Enables easy selection of one output from multiple inputs
• High-speed operation suitable for various applications
• Low power consumption makes it energy-efficient
• Wide operating voltage range allows compatibility with different systems

Advantages and Disadvantages

Advantages: - High-speed CMOS technology ensures fast operation - Low power consumption extends battery life in portable devices - Wide operating voltage range provides flexibility in system design - Multiple package options cater to different application requirements

Disadvantages: - Limited number of output lines (4) may not be sufficient for complex applications - Propagation delay time (6 ns) may impact timing-sensitive circuits

Working Principles

The SN74AHC139DGVR is a decoder/demultiplexer IC that takes two binary inputs, A1 and A0, and decodes them into four mutually exclusive outputs, Y0 to Y3. The enable pins, E1 and E2, control the operation of the decoder/demultiplexer. When both enable pins are high, all outputs are disabled.

The IC operates on high-speed CMOS technology, allowing for fast decoding and demultiplexing of input signals. It has a wide operating voltage range, making it compatible with various systems. The low power consumption of the IC makes it suitable for energy-efficient applications.

Detailed Application Field Plans

The SN74AHC139DGVR can be used in various applications, including:

1. Address decoding in microcontrollers and microprocessors
2. Data routing and selection in multiplexers
3. Memory address decoding in RAM and ROM modules
4. Signal demultiplexing in communication systems
5. Control signal generation in digital logic circuits

Detailed and Complete Alternative Models

1. 74HC139: Similar dual 2-to-4 line decoder/demultiplexer from NXP Semiconductors
2. CD74HC139: Dual 2-to-4 line decoder/demultiplexer from Texas Instruments
3. MC74HC139: High-speed CMOS dual 2-to-4 line decoder/demultiplexer from ON Semiconductor

These alternative models offer similar functionality and can be used as replacements for the SN74AHC139DGVR in various applications.

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