SN74ABT126PWE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, non-inverting, 3-state output
• Package: TSSOP-14
• Essence: Logic gate with four independent buffers
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 2.8ns (typical)
• Output Current: ±24mA
• Input Capacitance: 4pF (typical)

Detailed Pin Configuration

The SN74ABT126PWE4 has a total of 14 pins, which are labeled as follows:

1. 1A - Input for buffer 1
2. 1Y - Output for buffer 1
3. GND - Ground
4. 2Y - Output for buffer 2
5. 2A - Input for buffer 2
6. 3A - Input for buffer 3
7. 3Y - Output for buffer 3
8. 4Y - Output for buffer 4
9. 4A - Input for buffer 4
10. OE - Output Enable
11. NC - No Connection
12. VCC - Power supply voltage
13. GND - Ground
14. 1OE - Output Enable for buffer 1

Functional Features

• Non-inverting buffer/driver with 3-state outputs
• High-speed operation suitable for various applications
• Provides buffering and driving capability for digital signals
• Enables easy interfacing between different logic families
• 3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation ensures efficient signal transmission - Non-inverting nature simplifies circuit design - 3-state outputs enable bus sharing and reduce conflicts - Wide supply voltage range allows compatibility with various systems

Disadvantages: - Limited output current may restrict use in certain applications - Input and output voltage range limited to VCC, which may not be suitable for all scenarios - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74ABT126PWE4 is a buffer/driver IC that amplifies and controls digital signals. It consists of four independent buffers, each capable of driving a single line. The input signals are non-inverted and the outputs can be enabled or disabled using the OE (Output Enable) pin.

When the OE pin is low, the outputs are in a high-impedance state, allowing other devices to drive the shared bus. When the OE pin is high, the inputs are amplified and passed through to the outputs without any inversion.

Detailed Application Field Plans

The SN74ABT126PWE4 is commonly used in various digital systems where buffering and driving capabilities are required. Some specific application fields include:

1. Microcontrollers: Used to interface microcontrollers with external devices such as sensors, displays, and memory modules.
2. Communication Systems: Facilitates signal transmission between different components in communication systems, including routers, switches, and modems.
3. Industrial Automation: Enables control and monitoring of industrial equipment by providing signal buffering and driving capabilities.
4. Automotive Electronics: Used in automotive systems for signal conditioning, level shifting, and interfacing between different electronic modules.
5. Consumer Electronics: Integrated into consumer electronic devices like TVs, gaming consoles, and audio systems to enhance signal integrity and compatibility.

Detailed and Complete Alternative Models

1. SN74ABT126D - SOIC-14 package, similar specifications
2. SN74ABT126DBR - SSOP-14 package, similar specifications
3. SN74ABT126PW - TSSOP-14 package, similar specifications
4. SN74ABT126PWR - TSSOP-14 package, similar specifications
5. SN74ABT126DGVR - TVSOP-14 package, similar specifications

These alternative models offer similar functionality and performance, but may differ in package type and pin configuration. It is important to select the appropriate model based on specific application requirements.

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