SN74ABT543ADWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver
• Characteristics: High-speed, bidirectional data transfer, voltage level translation
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data between two buses with different voltage levels
• 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
• Data Transfer Rate: Up to 400 Mbps

Detailed Pin Configuration

The SN74ABT543ADWR has a total of 24 pins. The pin configuration is as follows:

1. OE (Output Enable) A
2. A1 (Side A Data Bus Bit 1)
3. A2 (Side A Data Bus Bit 2)
4. A3 (Side A Data Bus Bit 3)
5. A4 (Side A Data Bus Bit 4)
6. A5 (Side A Data Bus Bit 5)
7. A6 (Side A Data Bus Bit 6)
8. GND (Ground)
9. B6 (Side B Data Bus Bit 6)
10. B5 (Side B Data Bus Bit 5)
11. B4 (Side B Data Bus Bit 4)
12. B3 (Side B Data Bus Bit 3)
13. B2 (Side B Data Bus Bit 2)
14. B1 (Side B Data Bus Bit 1)
15. OE (Output Enable) B
16. VCC (Supply Voltage)
17. DIR (Direction Control)
18. B7 (Side B Data Bus Bit 7)
19. B8 (Side B Data Bus Bit 8)
20. A8 (Side A Data Bus Bit 8)
21. A7 (Side A Data Bus Bit 7)
22. GND (Ground)
23. NC (No Connection)
24. NC (No Connection)

Functional Features

• Bidirectional data transfer between two buses with different voltage levels
• Automatic direction control based on DIR pin input
• Output enable pins for each bus to disable the outputs when not in use
• High-speed operation up to 400 Mbps
• Voltage level translation for compatibility between different logic families

Advantages and Disadvantages

Advantages: - Enables seamless communication between buses operating at different voltage levels - High-speed data transfer capability - Easy integration into existing systems due to standard package and pin configuration

Disadvantages: - Requires careful consideration of voltage level compatibility to avoid data corruption or damage to connected devices - Limited to specific applications where voltage level translation is necessary

Working Principles

The SN74ABT543ADWR is a bidirectional bus transceiver that allows data transfer between two buses operating at different voltage levels. The direction of data flow is controlled by the DIR pin. When DIR is set to logic high, data flows from Side A to Side B, and when DIR is set to logic low, data flows from Side B to Side A.

The output enable pins (OE) for each side can be used to disable the outputs when not in use, reducing power consumption and preventing bus contention. The device operates at high speeds, making it suitable for applications requiring fast data transfer.

Voltage level translation is achieved through the use of internal circuitry that ensures proper signal conversion between the two voltage domains. This enables seamless communication between buses operating at different voltage levels without the need for additional level shifting components.

Detailed Application Field Plans

The SN74ABT543ADWR is commonly used in various applications where data transfer between buses with different voltage levels is required. Some of the typical application fields include:

1. Microcontroller interfacing: The transceiver facilitates communication between microcontrollers operating at different voltage levels, allowing seamless integration into mixed-voltage systems.

2. Communication systems: It can be used in networking equipment, such as routers and switches, to enable data exchange between different voltage domains within the system.

3. Industrial automation: The transceiver finds applications in industrial control systems, where it enables communication between devices operating at different voltage levels, such as sensors and actuators.

4. Automotive electronics: It can be utilized in automotive systems to interface between different voltage domains, enabling communication between various electronic components.

Detailed and Complete Alternative Models

1. SN74ABT541A: Similar to SN74ABT543ADWR but without direction control (DIR) pin.
2. SN74LVC543A: Low-voltage version of the bus transceiver, compatible with 1.8V to 3.3V systems.
3. SN74HCT543: CMOS