SN74LV139ADR

Product Overview

Category: Integrated Circuit (IC)

Use: SN74LV139ADR is a dual 2-line to 4-line decoder/demultiplexer IC. It is commonly used in digital electronics for decoding and demultiplexing applications.

Characteristics: - Low-voltage operation - High-speed performance - Wide operating temperature range - Low power consumption

Package: SN74LV139ADR is available in a small-outline integrated circuit (SOIC) package.

Essence: The essence of SN74LV139ADR lies in its ability to decode two input lines into four output lines, making it suitable for various digital logic applications.

Packaging/Quantity: SN74LV139ADR is typically sold in reels or tubes containing multiple units, with the exact quantity depending on the supplier.

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: 8 ns (max)
• Output Current: ±6 mA

Pin Configuration

SN74LV139ADR has a total of 16 pins, which are assigned specific functions as follows:

1. A0: Input line A0
2. A1: Input line A1
3. GND: Ground
4. Y0: Output line Y0
5. Y1: Output line Y1
6. Y2: Output line Y2
7. Y3: Output line Y3
8. G1: Enable input G1
9. G2: Enable input G2
10. VCC: Power supply voltage

Functional Features

• Dual 2-line to 4-line decoding capability
• Enable inputs for easy control of output lines
• Low-voltage operation allows compatibility with various digital systems
• High-speed performance ensures efficient data processing
• Wide operating temperature range enables usage in diverse environments
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages: - Compact size and lightweight - Versatile functionality for decoding and demultiplexing tasks - Wide supply voltage range enhances compatibility - Fast propagation delay time for quick response - Low power consumption reduces energy requirements

Disadvantages: - Limited number of output lines (four) - May require additional ICs for complex applications - Sensitivity to electrostatic discharge (ESD) requires proper handling precautions

Working Principles

SN74LV139ADR operates based on the principles of digital logic. It takes two input lines, A0 and A1, and decodes them into four output lines, Y0 to Y3. The enable inputs, G1 and G2, control the activation of the decoder/demultiplexer. When both G1 and G2 are high, all output lines are disabled.

Detailed Application Field Plans

SN74LV139ADR finds applications in various fields, including but not limited to: - Digital multiplexing - Address decoding in microcontrollers - Data routing in communication systems - Memory selection in computer systems - Control signal generation in industrial automation

Alternative Models

There are several alternative models available that offer similar functionality to SN74LV139ADR. Some notable alternatives include: - 74HC139: High-speed CMOS logic dual 2-line to 4-line decoder/demultiplexer - CD74HC139: High-speed CMOS logic dual 2-line to 4-line decoder/demultiplexer with Schmitt-trigger inputs - MC74HC139: High-performance silicon-gate CMOS dual 2-line to 4-line decoder/demultiplexer

These alternative models can be considered based on specific requirements and compatibility with existing systems.

Word count: 410 words