SN74HC126PWTG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, Non-Inverting, 3-State Output
• Package: TSSOP-14
• Essence: Quad Bus Buffer Gate with 3-State Outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 50 MHz
• Number of Inputs: 4
• Number of Outputs: 4
• Propagation Delay Time: 10 ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74HC126PWTG4 has a TSSOP-14 package with the following pin configuration:

1. OE (Output Enable) - Output Enable Input
2. 1A - Data Input for Buffer 1
3. 1Y - Buffered Output for Buffer 1
4. GND - Ground
5. 2Y - Buffered Output for Buffer 2
6. 2A - Data Input for Buffer 2
7. 3A - Data Input for Buffer 3
8. 3Y - Buffered Output for Buffer 3
9. VCC - Positive Power Supply
10. 4Y - Buffered Output for Buffer 4
11. 4A - Data Input for Buffer 4
12. NC (No Connection) - Not Connected
13. GND - Ground
14. OE (Output Enable) - Output Enable Input

Functional Features

• Quad non-inverting buffer gates with 3-state outputs
• High-speed operation suitable for various applications
• 3-state outputs allow multiple devices to share a common bus
• Output enable (OE) input controls the state of the outputs
• Compatible with TTL and CMOS logic levels

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - 3-state outputs facilitate bus sharing in complex systems - Wide supply voltage range allows flexibility in different applications - Compatibility with TTL and CMOS logic levels simplifies integration

Disadvantages: - Limited number of inputs and outputs (4 each) - Propagation delay time may affect timing-sensitive applications - TSSOP package may require careful handling during assembly

Working Principles

The SN74HC126PWTG4 is a quad buffer gate with 3-state outputs. It acts as a signal amplifier and driver, ensuring proper signal integrity and driving capability. The non-inverting nature of the buffer gates preserves the input signal polarity.

The output enable (OE) input controls the state of the outputs. When OE is low, the outputs are enabled and reflect the input data. Conversely, when OE is high, the outputs are in a high-impedance state, allowing other devices to drive the shared bus.

The IC operates within a wide supply voltage range and is compatible with both TTL and CMOS logic levels, making it versatile for various applications.

Detailed Application Field Plans

The SN74HC126PWTG4 finds application in various fields, including:

1. Microcontroller Systems: Provides buffering and driving capabilities for interfacing microcontrollers with external devices.
2. Communication Systems: Enables signal amplification and level shifting in communication interfaces.
3. Industrial Automation: Facilitates data transmission between sensors, actuators, and control units.
4. Automotive Electronics: Supports signal conditioning and driving in automotive control modules.
5. Consumer Electronics: Used in audio/video equipment, gaming consoles, and other digital devices.

Detailed and Complete Alternative Models

1. SN74HC126N: DIP-14 package, similar specifications
2. SN74HCT126PWTG4: TSSOP-14 package, 5V tolerant inputs
3. SN74LVC126APW: TSSOP-14 package, low voltage operation (1.65V to 3.6V)

These alternative models offer similar functionality with slight variations in voltage tolerance, package type, or operating voltage range.

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