SN74ABT543APW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver
• Characteristics: High-speed, Bi-directional, 8-bit transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• 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: 3.8ns (typical)
• Output Current: ±24mA

Detailed Pin Configuration

The SN74ABT543APW has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active Low Output Enable
2. A1-A8 - Data Bus A Inputs/Outputs
3. B1-B8 - Data Bus B Inputs/Outputs
4. GND - Ground
5. BDIR (Bus Direction) - Controls the direction of data flow
6. VCC - Positive Power Supply
7. B1-B8 - Data Bus B Inputs/Outputs
8. A1-A8 - Data Bus A Inputs/Outputs
9. OE (Output Enable) - Active Low Output Enable
10. DIR (Direction Control) - Controls the direction of data flow
11. GND - Ground
12. VCC - Positive Power Supply

Functional Features

• Bidirectional Data Transfer: Allows data to be transferred in both directions between two buses.
• Output Enable Control: The OE pin enables or disables the outputs, providing flexibility in controlling the data flow.
• Direction Control: The DIR pin determines the direction of data flow, allowing for easy switching between input and output modes.
• High-Speed Operation: The SN74ABT543APW operates at a high speed, making it suitable for applications requiring fast data transfer.

Advantages and Disadvantages

Advantages: - Bi-directional data transfer simplifies bus communication. - High-speed operation enables efficient data transfer. - Output enable control provides flexibility in managing data flow.

Disadvantages: - Limited voltage range (4.5V to 5.5V) may not be suitable for all applications. - Propagation delay time may affect timing-sensitive operations.

Working Principles

The SN74ABT543APW acts as a bidirectional transceiver, converting signals between two buses. It uses the DIR pin to control the direction of data flow. When DIR is low, data flows from Bus A to Bus B, and when DIR is high, data flows from Bus B to Bus A. The OE pin enables or disables the outputs, allowing for selective data transfer. The IC operates at a high speed, ensuring efficient data transmission.

Detailed Application Field Plans

The SN74ABT543APW is commonly used in various applications that require bidirectional data transfer between two buses. Some potential application fields include:

1. Data Communication Systems: Used in networking equipment, routers, and switches to facilitate data transfer between different interfaces.
2. Industrial Automation: Enables communication between different modules and devices in industrial control systems.
3. Automotive Electronics: Facilitates data exchange between various components in automotive systems, such as engine control units and sensors.
4. Test and Measurement Equipment: Allows for bidirectional data transfer in oscilloscopes, logic analyzers, and other testing instruments.
5. Computer Peripherals: Used in printers, scanners, and external storage devices to enable data transfer between the computer and peripheral devices.

Detailed and Complete Alternative Models

1. SN74ABT543ADW: Similar to SN74ABT543APW, but available in SOIC (Small Outline Integrated Circuit) package.
2. SN74ABT543ADBQR: Similar to SN74ABT543APW, but available in SSOP (Shrink Small Outline Package) package.
3. SN74ABT543ANSR: Similar to SN74ABT543APW, but available in SOP (Small Outline Package) package.
4. SN74ABT543APWRG4: Similar to SN74ABT543APW, but available in TSSOP package with a different reel quantity.

These alternative models offer similar functionality and characteristics, providing options for different packaging requirements or preferences.

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