SN74LVTH244AQDBREP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low Voltage, High-Speed, Tri-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translation and Signal Amplification
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Channels: 8
• Output Current: ±12mA
• Propagation Delay Time: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH244AQDBREP has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Input) 1
3. I/O1 (Bidirectional) 1
4. GND (Ground)
5. I/O2 (Bidirectional) 2
6. A2 (Input) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. I/O3 (Bidirectional) 3
10. A3 (Input) 3
11. OE (Output Enable) 3
12. I/O4 (Bidirectional) 4
13. A4 (Input) 4
14. GND (Ground)
15. I/O5 (Bidirectional) 5
16. A5 (Input) 5
17. OE (Output Enable) 4
18. I/O6 (Bidirectional) 6
19. A6 (Input) 6
20. OE (Output Enable) 5

Functional Features

• Logic Level Translation: The SN74LVTH244AQDBREP is designed to translate signals between different voltage levels, making it suitable for interfacing between devices operating at different voltage levels.
• Signal Amplification: It can amplify weak input signals to a higher voltage level, ensuring proper signal integrity and driving capability.
• Tri-State Outputs: The tri-state outputs allow the device to be effectively disconnected from the bus, reducing power consumption and avoiding conflicts on shared communication lines.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables efficient data transfer. - Tri-state outputs provide flexibility in bus sharing applications. - Small package size saves board space.

Disadvantages: - Limited output current may restrict its use in high-current applications. - Not suitable for voltage levels outside the specified range. - Propagation delay time may affect timing-sensitive applications.

Working Principles

The SN74LVTH244AQDBREP operates by receiving input signals and translating them to the desired output voltage level. The logic level translation is achieved through a combination of internal circuitry that ensures proper voltage conversion while maintaining signal integrity. The tri-state outputs allow the device to be enabled or disabled, providing control over the bus connection.

Detailed Application Field Plans

The SN74LVTH244AQDBREP finds applications in various fields, including:

1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels, enabling seamless communication between them.
2. Data Communication Systems: The device facilitates signal translation and amplification in data communication systems, such as UART, SPI, and I2C interfaces.
3. Industrial Automation: It is suitable for use in industrial automation systems where different voltage levels need to be translated and amplified for proper signal transmission.
4. Automotive Electronics: The IC can be employed in automotive electronics for level shifting and signal buffering, ensuring reliable communication between different components.

Detailed and Complete Alternative Models

1. SN74LVTH244A: Similar to SN74LVTH244AQDBREP but without the specific packaging option.
2. SN74LVC244A: Low Voltage CMOS Octal Buffer/Line Driver with 3-State Outputs.
3. SN74HCT244: High-Speed CMOS Octal Buffer/Line Driver with 3-State Outputs.
4. SN74ACT244: Advanced CMOS Octal Buffer/Line Driver with 3-State Outputs.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements.

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