SN74ABT640NSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver
• Characteristics: High-speed, non-inverting, 3-state transceiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Converts signals between two bidirectional bus systems
• 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
• Maximum Propagation Delay: 6ns
• Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

The SN74ABT640NSR has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Bidirectional data transfer between two bus systems
• Non-inverting logic
• 3-state outputs for bus isolation
• Output enable control for each bus

Advantages and Disadvantages

Advantages: - High-speed operation - Non-inverting logic preserves signal integrity - 3-state outputs allow for bus isolation

Disadvantages: - Limited operating voltage range (4.5V to 5.5V) - Maximum operating frequency of 100MHz may not be sufficient for some applications

Working Principles

The SN74ABT640NSR is a bus transceiver that allows bidirectional data transfer between two bus systems. It operates using non-inverting logic, which means the output signal matches the input signal. The device features 3-state outputs, which can be enabled or disabled using the output enable control pins. When disabled, the outputs are in a high-impedance state, providing bus isolation.

Detailed Application Field Plans

The SN74ABT640NSR is commonly used in various applications where bidirectional data transfer between different bus systems is required. Some specific application fields include:

1. Microprocessor Systems: The IC facilitates communication between the microprocessor and other peripheral devices connected via different bus architectures.
2. Data Communication Networks: It enables data exchange between different network protocols or interfaces, such as Ethernet, USB, and RS-232.
3. Industrial Automation: The transceiver is utilized in industrial control systems to connect various sensors, actuators, and controllers with different bus standards.
4. Automotive Electronics: It plays a crucial role in connecting different electronic modules within a vehicle, such as the engine control unit, infotainment system, and body control module.

Detailed and Complete Alternative Models

1. SN74ABT640DWR: Similar to SN74ABT640NSR but available in a different package (SOIC Wide)
2. SN74ABT640PW: Similar to SN74ABT640NSR but available in a different package (TSSOP)
3. SN74ABT640DBR: Similar to SN74ABT640NSR but available in a different package (SSOP)

These alternative models offer similar functionality and characteristics but may vary in terms of package type and pin configuration.

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