SN74ABT640DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver
• Characteristics: High-speed, non-inverting, 3-state transceiver
• Package: SSOP-20
• Essence: Facilitates bidirectional data transfer between two 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
• Maximum Propagation Delay: 6.5ns
• Maximum Operating Frequency: 200MHz

Detailed Pin Configuration

The SN74ABT640DBR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Bus A) 1
3. A2 (Data Bus A) 2
4. A3 (Data Bus A) 3
5. A4 (Data Bus A) 4
6. A5 (Data Bus A) 5
7. GND (Ground)
8. B5 (Data Bus B) 5
9. B4 (Data Bus B) 4
10. B3 (Data Bus B) 3
11. B2 (Data Bus B) 2
12. B1 (Data Bus B) 1
13. DIR (Direction Control)
14. VCC (Supply Voltage)
15. B6 (Data Bus B) 6
16. B7 (Data Bus B) 7
17. B8 (Data Bus B) 8
18. B9 (Data Bus B) 9
19. B10 (Data Bus B) 10
20. OE (Output Enable) 2

Functional Features

• Bidirectional data transfer between two buses
• Non-inverting logic
• 3-state outputs for bus isolation
• High-speed operation
• Low power consumption

Advantages and Disadvantages

Advantages: - Enables efficient data communication between different buses - Supports high-speed data transfer - Provides bus isolation through 3-state outputs - Low power consumption

Disadvantages: - Limited to a specific supply voltage range (4.5V to 5.5V) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74ABT640DBR is designed to facilitate bidirectional data transfer between two buses. It operates based on the control signal provided by the DIR (Direction Control) pin. When the DIR pin is set to a specific logic level, the data is transferred from one bus to the other in a non-inverting manner. The OE (Output Enable) pins are used to enable or disable the outputs, providing bus isolation when necessary.

Detailed Application Field Plans

The SN74ABT640DBR can be applied in various scenarios where bidirectional data transfer between two buses is required. Some potential application fields include:

1. Microprocessor systems
2. Data communication networks
3. Industrial automation
4. Automotive electronics
5. Telecommunications equipment

Detailed and Complete Alternative Models

1. SN74ABT640DWR - SOIC-20 package variant
2. SN74ABT640PW - TSSOP-20 package variant
3. SN74ABT640ADB - SSOP-20 package variant with wider temperature range

These alternative models offer similar functionality and characteristics but may differ in package type or operating temperature range.

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