SN74ABT8543DWR

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Translator
• Characteristics: High-speed, low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.3V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5ns (typical)
• Maximum Frequency: 100MHz

Pin Configuration

The SN74ABT8543DWR has a total of 20 pins, which are assigned as follows:

1. OE1 (Output Enable 1)
2. A1 (Input A1)
3. B1 (Input B1)
4. GND (Ground)
5. B2 (Input B2)
6. A2 (Input A2)
7. VCC (Supply Voltage)
8. Y1 (Output Y1)
9. Y2 (Output Y2)
10. OE2 (Output Enable 2)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)
17. NC (No Connection)
18. NC (No Connection)
19. NC (No Connection)
20. NC (No Connection)

Functional Features

• Bidirectional voltage translation between two independent voltage domains
• Supports level shifting from 2.3V to 3.6V
• Allows interfacing between devices operating at different voltage levels
• High-speed operation with low propagation delay
• Low power consumption

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices with different voltage requirements - Fast switching speed allows for efficient data transfer - Low power consumption helps conserve energy

Disadvantages: - Limited to specific voltage ranges (2.3V to 3.6V) - Not suitable for applications requiring translation between wider voltage ranges

Working Principles

The SN74ABT8543DWR is a logic level translator that facilitates communication between devices operating at different voltage levels. It utilizes a bidirectional voltage translation scheme, allowing signals to be translated from one voltage domain to another. The device operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels based on the specified supply voltage range.

Detailed Application Field Plans

The SN74ABT8543DWR finds application in various scenarios where logic level translation is required. Some potential application fields include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling seamless communication between them.
2. Sensor Networks: In sensor networks, different sensors may operate at varying voltage levels. The SN74ABT8543DWR can be employed to translate the logic levels between these sensors and the central processing unit.
3. Communication Systems: The IC can be utilized in communication systems to ensure compatibility between devices operating at different voltage domains, such as UART interfaces or I2C buses.

Detailed and Complete Alternative Models

1. TXB0108PWR: This logic level translator offers similar functionality and supports a wider voltage range of 1.2V to 3.6V.
2. PCA9306DCTR: Another alternative, this IC provides bidirectional voltage translation and supports a voltage range of 1.0V to 5.5V.
3. SN74LVC1T45DCKR: This single-bit level translator is suitable for applications requiring translation between 1.65V and 5.5V voltage domains.

These alternative models offer similar features and can be considered based on specific voltage requirements and application constraints.

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