SN74LVC126ADRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: Low-voltage, CMOS technology
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Quad bus buffer gate with 3-state outputs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 80MHz
• Propagation Delay Time: 3.7ns (typical)

Detailed Pin Configuration

The SN74LVC126ADRG4 has a total of 14 pins:

1. GND (Ground)
2. A1 (Input A1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. Y2 (Output Y2)
6. OE (Output Enable)
7. Y3 (Output Y3)
8. A3 (Input A3)
9. Y4 (Output Y4)
10. VCC (Supply Voltage)
11. B1 (Input B1)
12. B2 (Input B2)
13. B3 (Input B3)
14. B4 (Input B4)

Functional Features

• Quad buffer gate with 3-state outputs
• Inputs are compatible with TTL levels
• Outputs can drive up to 10 LSTTL loads
• 3-state outputs allow multiple devices to be connected to the same bus line

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with a wide range of systems - CMOS technology provides low power consumption - 3-state outputs enable efficient bus sharing

Disadvantages: - Limited maximum operating frequency compared to some other buffer/driver ICs - Not suitable for high-speed applications

Working Principles

The SN74LVC126ADRG4 is a quad buffer gate with 3-state outputs. It operates using CMOS technology, which allows for low-voltage operation and low power consumption. The inputs are compatible with TTL levels, making it versatile for various digital systems.

The 3-state outputs of the SN74LVC126ADRG4 allow multiple devices to be connected to the same bus line. When the output enable (OE) pin is high, the outputs are in the high-impedance state, effectively disconnecting them from the bus line. This feature enables efficient bus sharing and prevents conflicts between multiple devices.

Detailed Application Field Plans

The SN74LVC126ADRG4 is commonly used in digital systems where buffering and driving signals are required. Some specific application fields include:

1. Microcontrollers: The IC can be used to interface microcontrollers with external devices, such as sensors or actuators.
2. Communication Systems: It can be employed in communication systems to buffer and drive signals between different components, such as transceivers or data converters.
3. Industrial Automation: The IC finds applications in industrial automation systems, where it can be used to buffer and drive signals between PLCs (Programmable Logic Controllers) and various field devices.
4. Automotive Electronics: It can be utilized in automotive electronics for signal buffering and driving in various subsystems, such as infotainment systems or engine control units.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74LVC126ADRG4 include:

1. SN74LVC125A: Quad buffer gate with 3-state outputs, available in different package options.
2. MC74VHC126: Quad buffer gate with 3-state outputs, operates at higher voltage levels.
3. CD74HCT126: Quad buffer gate with 3-state outputs, compatible with HCT logic family.

These alternative models can be considered based on specific requirements, such as voltage range, operating frequency, or package preferences.

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