SN74LV139APWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Decoder/Demultiplexer
• Characteristics: Low-voltage, dual 2-line to 4-line decoder/demultiplexer
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: High-performance digital logic device for decoding and demultiplexing applications
• Packaging/Quantity: Tape and reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 50MHz
• Number of Inputs: 2
• Number of Outputs: 4
• Propagation Delay Time: 6ns (typical)

Detailed Pin Configuration

The SN74LV139APWRG4 has a total of 16 pins, which are assigned as follows:

1. GND (Ground)
2. A0 (Input A0)
3. A1 (Input A1)
4. Y0 (Output Y0)
5. Y1 (Output Y1)
6. Y2 (Output Y2)
7. Y3 (Output Y3)
8. VCC (Supply Voltage)
9. GND (Ground)
10. E (Enable Input)
11. Y0 (Output Y0)
12. Y1 (Output Y1)
13. Y2 (Output Y2)
14. Y3 (Output Y3)
15. A1 (Input A1)
16. A0 (Input A0)

Functional Features

• Dual 2-line to 4-line decoder/demultiplexer functionality
• Low-voltage operation suitable for battery-powered devices
• Wide supply voltage range allows compatibility with various systems
• High-speed operation with low propagation delay time
• Enable input for easy control of the decoder/demultiplexer

Advantages and Disadvantages

Advantages: - Low-voltage operation extends battery life in portable devices - Wide supply voltage range provides flexibility in system design - High-speed operation enables efficient data processing - Enable input allows for easy control of the device

Disadvantages: - Limited number of inputs and outputs restricts the complexity of applications - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74LV139APWRG4 is a decoder/demultiplexer IC that takes two input lines (A0 and A1) and selects one of the four output lines (Y0 to Y3) based on the input combination. The enable input (E) controls the operation of the device. When E is high, the decoder/demultiplexer is enabled, and the selected output line reflects the input combination. When E is low, all output lines are in a high-impedance state.

Detailed Application Field Plans

The SN74LV139APWRG4 can be used in various applications, including but not limited to:

1. Address decoding in microcontrollers and microprocessors
2. Data demultiplexing in communication systems
3. Memory selection in memory modules
4. Signal routing in digital circuits
5. Control logic in industrial automation

Detailed and Complete Alternative Models

1. 74HC139: High-speed CMOS version of the decoder/demultiplexer
2. CD74HC139: High-speed CMOS version with Schmitt-trigger inputs
3. SN54LS139: Low-power Schottky TTL version of the decoder/demultiplexer
4. CD4016: Quad bilateral switch with similar functionality

These alternative models offer similar decoding and demultiplexing capabilities, but with different characteristics and specifications.

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