SN74LVC126AQDRG4Q1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: Low-Voltage CMOS Quad Bus Buffer with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This IC is designed to provide buffering and driving capabilities for digital signals in low-voltage 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
• High-Level Input Voltage: 0.7 x VCC to VCC
• Low-Level Input Voltage: 0V to 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC to VCC
• Low-Level Output Voltage: 0V to 0.1 x VCC
• Maximum Operating Frequency: 80MHz
• Number of Pins: 14

Detailed Pin Configuration

The SN74LVC126AQDRG4Q1 has a total of 14 pins, which are labeled as follows:

1. OE (Output Enable) - Active LOW output enable input
2. A1 - Data input/output pin 1
3. Y1 - Buffered data output pin 1
4. GND - Ground (0V) connection
5. Y2 - Buffered data output pin 2
6. A2 - Data input/output pin 2
7. VCC - Positive power supply voltage
8. B1 - Data input/output pin 3
9. Y3 - Buffered data output pin 3
10. B2 - Data input/output pin 4
11. Y4 - Buffered data output pin 4
12. GND - Ground (0V) connection
13. OE (Output Enable) - Active LOW output enable input
14. VCC - Positive power supply voltage

Functional Features

• Low-voltage operation: The SN74LVC126AQDRG4Q1 operates at a supply voltage range of 1.65V to 5.5V, making it suitable for low-power applications.
• Quad buffer: It features four independent buffers that can be used to drive digital signals.
• 3-state outputs: The outputs of the buffers can be put in a high-impedance state using the output enable (OE) pins, allowing multiple devices to share a common bus.
• Fast switching speed: With a maximum operating frequency of 80MHz, this IC ensures efficient signal transmission.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - 3-state outputs enable easy bus sharing between multiple devices. - High-speed operation facilitates fast signal switching.

Disadvantages: - Limited number of buffer channels (four in total). - Not suitable for high-voltage applications.

Working Principles

The SN74LVC126AQDRG4Q1 is based on CMOS technology, which allows for low-voltage operation. It consists of four independent buffer circuits that take digital input signals and amplify them to drive external loads. The output enable (OE) pins control the state of the outputs, allowing the buffers to be enabled or disabled as needed.

Detailed Application Field Plans

The SN74LVC126AQDRG4Q1 is commonly used in various electronic systems where buffering and driving of digital signals are required. Some specific application fields include:

1. Automotive electronics: This IC is suitable for use in automotive systems such as infotainment systems, dashboard displays, and control modules.
2. Industrial automation: It can be used in industrial control systems, PLCs (Programmable Logic Controllers), and motor control circuits.
3. Consumer electronics: The SN74LVC126AQDRG4Q1 finds applications in devices like smartphones, tablets, and gaming consoles for signal buffering and driving.

Detailed and Complete Alternative Models

1. SN74LVC126A: Similar to SN74LVC126AQDRG4Q1 but without automotive qualification.
2. SN74LVC125A: Quad buffer with 3-state outputs, similar to SN74LVC126AQDRG4Q1 but with different pin configuration.
3. SN74LVC244A: Octal buffer with 3-state outputs, suitable for higher channel count applications.

These alternative models provide similar functionality and can be considered as replacements based on specific requirements.

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