NLV74HC139ADR2G

Product Overview

Category: Integrated Circuit (IC)

Use: The NLV74HC139ADR2G is a dual 2-to-4 line decoder/demultiplexer IC. It is designed to convert binary information from two input lines into four output lines, making it suitable for various digital applications.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Schmitt-trigger action on all inputs - Balanced propagation delays - Symmetrical output impedance

Package: SOIC-16 (Small Outline Integrated Circuit), surface mount package with 16 pins.

Essence: The NLV74HC139ADR2G is an essential component in digital systems where decoding and demultiplexing functions are required. It enables efficient data routing and selection based on binary inputs.

Packaging/Quantity: The NLV74HC139ADR2G is typically packaged in reels or tubes, containing 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: -0.5 V to VCC + 0.5 V
• Output Voltage Range: -0.5 V to VCC + 0.5 V
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 25 ns
• Maximum Quiescent Current: 4 μA

Pin Configuration

The NLV74HC139ADR2G has a total of 16 pins arranged as follows:

+---+--+---+ A1 --|1 +--+ 16|-- VCC A0 --|2 |-- Y0 E1 --|3 |-- Y1 E0 --|4 |-- Y2 Y3 --|5 |-- Y3 GND --|6 |-- A1 B0 --|7 |-- A0 B1 --|8 |-- E1 C0 --|9 |-- E0 C1 --|10 |-- Y3 D0 --|11 |-- GND D1 --|12 |-- B0 VCC --|13 |-- B1 Y0 --|14 |-- C0 Y1 --|15 |-- C1 Y2 --|16 |-- D0 +---+--+---+

Functional Features

The NLV74HC139ADR2G offers the following functional features:

• Dual 2-to-4 line decoding/demultiplexing capability
• Schmitt-trigger action on all inputs for noise immunity
• Balanced propagation delays for accurate timing
• Symmetrical output impedance for improved signal integrity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - Low power consumption helps in reducing overall system energy requirements. - Wide operating voltage range provides flexibility in various applications. - Schmitt-trigger action on inputs enhances noise immunity. - Balanced propagation delays ensure accurate timing.

Disadvantages: - Limited number of output lines (four) may restrict certain complex applications. - Requires additional external components for complete functionality in some cases.

Working Principles

The NLV74HC139ADR2G operates based on the principles of binary decoding and demultiplexing. It takes two input lines, A0 and A1, and converts the binary information into four output lines, Y0 to Y3. The enable pins, E0 and E1, control the operation of the decoder/demultiplexer. Depending on the input combination, the corresponding output line is activated.

Detailed Application Field Plans

The NLV74HC139ADR2G finds applications in various digital systems, including but not limited to:

1. Address decoding in microcontrollers and memory devices.
2. Data routing and selection in multiplexers and data selectors.
3. Control signal generation in digital circuits.
4. Logic circuit design and implementation.
5. Signal demultiplexing in communication systems.

Detailed and Complete Alternative Models

1. SN74HC139N: Similar dual 2-to-4 line decoder/demultiplexer IC from Texas Instruments.
2. CD74HC139E: Dual 2-to-4 line decoder/demultiplexer IC from Texas Instruments.
3. MC74HC139AN: Dual 2-to-4 line decoder/demultiplexer IC from ON Semiconductor.

These alternative models offer similar functionality and can be used as substitutes for the NLV74HC139ADR2G in various applications.

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