Encyclopedia Entry: 74VHC126BQ,115

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate Buffer/Driver
• Characteristics: High-Speed, Low-Power, Quad Bus Buffer with 3-State Outputs
• Package: SOIC-14
• Essence: The 74VHC126BQ,115 is a versatile logic gate buffer/driver that provides high-speed signal buffering and driving capabilities for various digital applications.
• Packaging/Quantity: Available in reels of 2,500 units.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Logic Family: VHC
• Number of Gates: 4
• Output Type: 3-State
• Propagation Delay: 4.3ns (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74VHC126BQ,115 IC has a total of 14 pins arranged as follows:

__ __ Y1 |1 U 14| VCC Y2 |2 13| A1 G1 |3 12| A2 G2 |4 11| A3 A4 |5 10| GND Y4 |6 9| Y3 Y4 |7 8| G4 ¯¯ ¯¯

Functional Features

• Provides four independent buffer/driver gates in a single package.
• Supports 3-state outputs, allowing multiple devices to share a common bus.
• High-speed operation enables efficient data transfer.
• Low-power consumption makes it suitable for battery-powered applications.
• Wide supply voltage range allows compatibility with various systems.

Advantages and Disadvantages

Advantages: - Compact package with multiple buffer/driver gates. - High-speed operation for efficient data transfer. - Low-power consumption extends battery life. - 3-state outputs enable bus sharing.

Disadvantages: - Limited number of gates (4) in a single package. - Not suitable for applications requiring a large number of buffer/driver gates.

Working Principles

The 74VHC126BQ,115 operates based on the principles of digital logic. It takes input signals from the A1 to A4 pins and buffers/drives them to the corresponding Y1 to Y4 output pins. The G1 to G4 pins control the 3-state outputs, allowing the device to be enabled or disabled as needed. The IC operates within a specified supply voltage range and provides high-speed signal buffering and driving capabilities.

Detailed Application Field Plans

The 74VHC126BQ,115 is widely used in various digital applications, including:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data storage devices
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

In these applications, the IC serves as a buffer/driver to ensure reliable signal transmission between different components or subsystems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74VHC126BQ,115 include:

1. SN74LVC126A: Low-Voltage CMOS Quad Bus Buffer with 3-State Outputs
2. MC74VHC126: High-Speed CMOS Quad Bus Buffer with 3-State Outputs
3. CD74HCT126: High-Speed CMOS Logic Quad Bus Buffer with 3-State Outputs

These alternatives can be considered based on specific requirements and availability in the market.

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