SN74LV126AD

Product Overview

Category

SN74LV126AD belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a quad buffer/line driver with 3-state outputs.

Characteristics

• Low-voltage operation: SN74LV126AD operates at low voltage levels, typically between 2.0V and 5.5V.
• High-speed performance: It offers fast switching speeds, making it suitable for applications requiring quick data transfer.
• 3-state outputs: The IC features 3-state outputs, allowing multiple devices to share a common bus without interference.
• Buffer/line driver: SN74LV126AD acts as a buffer to amplify and stabilize signals, ensuring reliable data transmission.

Package

SN74LV126AD is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of SN74LV126AD lies in its ability to provide buffering and line driving functions, enabling efficient signal transmission in various electronic systems.

Packaging/Quantity

SN74LV126AD is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6ns
• Maximum Quiescent Current: 1μA

Detailed Pin Configuration

SN74LV126AD consists of 14 pins, each serving a specific function:

1. GND: Ground reference for the IC.
2. A1: Input pin for the first buffer.
3. Y1: Output pin for the first buffer.
4. A2: Input pin for the second buffer.
5. Y2: Output pin for the second buffer.
6. G1: Enable input for the first buffer.
7. G2: Enable input for the second buffer.
8. VCC: Positive power supply terminal.
9. Y3: Output pin for the third buffer.
10. A3: Input pin for the third buffer.
11. Y4: Output pin for the fourth buffer.
12. A4: Input pin for the fourth buffer.
13. G3: Enable input for the third buffer.
14. G4: Enable input for the fourth buffer.

Functional Features

• Quad Buffer/Line Driver: SN74LV126AD contains four independent buffers/line drivers, allowing simultaneous operation on multiple signals.
• 3-State Outputs: The IC offers 3-state outputs, enabling high impedance when disabled, preventing signal interference.
• High-Speed Operation: SN74LV126AD ensures fast switching speeds, facilitating efficient data transfer.
• Low Power Consumption: It consumes minimal power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Low-voltage operation extends battery life in portable devices.
• High-speed performance enables quick data transmission.
• 3-state outputs allow multiple devices to share a common bus without signal conflicts.
• Small package size saves board space in compact designs.

Disadvantages

• Limited voltage range may not be suitable for applications requiring higher voltages.
• Propagation delay of 6ns may not meet the requirements of ultra-high-speed applications.

Working Principles

SN74LV126AD operates by receiving input signals through its buffer inputs (A1-A4). These signals are then amplified and transmitted to the corresponding output pins (Y1-Y4) when the respective enable inputs (G1-G4) are active. When the enable inputs are inactive, the outputs enter a high-impedance state, preventing signal interference.

Detailed Application Field Plans

SN74LV126AD finds applications in various electronic systems, including but not limited to: - Data communication devices - Computer peripherals - Industrial automation systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74LV126AD are: - 74HC126: High-speed CMOS logic IC with 3-state outputs. - CD74HCT126E: Quad buffer/line driver with 3-state outputs. - MC74VHC126DTR2G: Low-voltage CMOS buffer/line driver with 3-state outputs.

These alternatives can be considered based on specific requirements and compatibility with the existing system.

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