SN74LVC126AQDRQ1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: Low-voltage, Quad Bus Buffer Gate with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74LVC126AQDRQ1 is a high-performance buffer/driver IC designed for low-voltage applications. It provides four independent buffers with 3-state outputs, making it suitable for various digital logic level shifting and signal buffering tasks.
• Packaging/Quantity: The SN74LVC126AQDRQ1 is available in a standard SOIC package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100 MHz
• Number of Buffers: 4
• Output Drive Capability: ±24mA
• Propagation Delay: 2.6ns (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SN74LVC126AQDRQ1 has a 14-pin SOIC package with the following pin configuration:

__ __ Y1 |1 \/ 14| VCC Y2 |2 13| A1 GND|3 12| Y3 A2 |4 11| Y4 OE |5 10| GND A3 |6 9| OE# Y1 |7 8| A4 ----------

Functional Features

• Quad 3-state buffer/driver with independent control
• Low-voltage operation, suitable for 1.8V, 2.5V, 3.3V, and 5V systems
• High-speed operation with a maximum frequency of 100 MHz
• 3-state outputs allow multiple devices to share a common bus without interference
• Output drive capability of ±24mA ensures strong signal integrity

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - 3-state outputs facilitate bus sharing and reduce signal conflicts - Compact SOIC package offers space-saving integration

Disadvantages: - Limited output drive capability compared to some other buffer/driver ICs - Not suitable for high-voltage applications

Working Principles

The SN74LVC126AQDRQ1 operates as a buffer/driver by taking input signals and amplifying them to provide stronger output signals. It uses CMOS technology, allowing it to operate at low voltages while maintaining high performance. The 3-state outputs enable the device to be effectively disconnected from the bus when not in use, preventing signal interference.

Detailed Application Field Plans

The SN74LVC126AQDRQ1 is commonly used in various digital systems where level shifting and signal buffering are required. Some typical application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers with different voltage levels, ensuring proper signal translation between devices.
2. Bus communication: It can be employed in bus systems to buffer and amplify signals, enabling reliable data transmission between multiple devices.
3. Signal conditioning: The IC can be utilized to condition weak or noisy signals, improving their quality before further processing.
4. Logic level conversion: It is suitable for converting logic levels between different voltage domains, facilitating compatibility between different parts of a system.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74LVC126AQDRQ1 include:

1. 74HC126: This IC provides quad buffer gates with 3-state outputs and operates at a higher voltage range (2V to 6V).
2. CD4050: It is a hex non-inverting buffer/driver IC that can be used for level shifting and signal buffering in various applications.
3. SN74LVC244A: This octal buffer/driver IC offers 3-state outputs and operates at a similar voltage range as the SN74LVC126AQDRQ1.

These alternative models can be considered based on specific requirements and compatibility with the target system.

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