SN74ABT543ADBRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver
• Characteristics: High-speed, Bi-directional, 8-bit transceiver
• Package: SSOP-24
• Essence: Converts signals between two bidirectional buses
• 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: 3.5ns (Max)
• Output Current: ±12mA
• ESD Protection: >2000V

Detailed Pin Configuration

The SN74ABT543ADBRG4 has a total of 24 pins. The pin configuration is as follows:

1. OE (Output Enable) A
2. A1 (Data Bus A Bit 1)
3. A2 (Data Bus A Bit 2)
4. A3 (Data Bus A Bit 3)
5. A4 (Data Bus A Bit 4)
6. A5 (Data Bus A Bit 5)
7. A6 (Data Bus A Bit 6)
8. A7 (Data Bus A Bit 7)
9. A8 (Data Bus A Bit 8)
10. GND (Ground)
11. B8 (Data Bus B Bit 8)
12. B7 (Data Bus B Bit 7)
13. B6 (Data Bus B Bit 6)
14. B5 (Data Bus B Bit 5)
15. B4 (Data Bus B Bit 4)
16. B3 (Data Bus B Bit 3)
17. B2 (Data Bus B Bit 2)
18. B1 (Data Bus B Bit 1)
19. OE (Output Enable) B
20. VCC (Supply Voltage)
21. DIR (Direction Control)
22. GND (Ground)
23. B8 (Data Bus B Bit 8)
24. A8 (Data Bus A Bit 8)

Functional Features

• Bi-directional data flow between two buses
• High-speed operation for efficient data transfer
• Output enable control for selective bus communication
• Direction control for controlling the data flow direction

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Bi-directional functionality simplifies bus communication - Output enable control provides flexibility in bus usage

Disadvantages: - Limited to 8-bit data transmission - Requires careful handling due to sensitivity to ESD

Working Principles

The SN74ABT543ADBRG4 is a bus transceiver that enables bidirectional data transfer between two buses. It operates by converting signals from one bus to another, allowing data to flow in both directions. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to logic high, data flows from Bus A to Bus B, and when it is set to logic low, data flows from Bus B to Bus A.

The transceiver also features output enable pins (OE A and OE B), which allow selective communication between the buses. When the OE pin is set to logic high, the outputs are disabled, preventing any data transfer. This feature is useful when isolating or tri-stating the transceiver from the buses.

Detailed Application Field Plans

The SN74ABT543ADBRG4 is commonly used in various applications where bidirectional data transfer between buses is required. Some of the application fields include:

1. Data Communication Systems: The transceiver facilitates data exchange between different communication modules, such as microcontrollers, memory devices, and peripherals.

2. Industrial Automation: It is used in industrial control systems to enable communication between various components, such as sensors, actuators, and controllers.

3. Automotive Electronics: The transceiver plays a vital role in automotive electronics, allowing data transfer between different subsystems, such as engine control units, infotainment systems, and body control modules.

4. Networking Equipment: It is utilized in networking devices, such as routers and switches, to enable data transmission between different network interfaces.

Detailed and Complete Alternative Models

1. SN74ABT543A: Similar to SN74ABT543ADBRG4 but available in a different package (TSSOP-24).
2. SN74ABT540A: Octal buffer/line driver with similar characteristics and functionality.
3. SN74ABT541A: Octal buffer/line driver with tri-state outputs, suitable for bus applications.

These alternative models provide similar functionality and can be considered as substitutes for the SN74ABT543ADBRG