SN74ABT657ANSR

Product Overview

• Category: Integrated Circuit
• Use: Bus Transceiver
• Characteristics: High-speed, low-power, bidirectional data transfer
• 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 100 Mbps
• Number of Channels: 8

Pin Configuration

The SN74ABT657ANSR has a total of 24 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. A6 (Data Bus A) 6
8. A7 (Data Bus A) 7
9. GND (Ground)
10. B7 (Data Bus B) 7
11. B6 (Data Bus B) 6
12. B5 (Data Bus B) 5
13. B4 (Data Bus B) 4
14. B3 (Data Bus B) 3
15. B2 (Data Bus B) 2
16. B1 (Data Bus B) 1
17. OE (Output Enable) 2
18. DIR (Direction Control)
19. VCC (Supply Voltage)
20. B0 (Data Bus B) 0
21. A0 (Data Bus A) 0
22. A8 (Data Bus A) 8
23. A9 (Data Bus A) 9
24. B9 (Data Bus B) 9

Functional Features

• Bidirectional data transfer between two buses
• Automatic direction control based on DIR pin
• Output enable control for each bus
• High-speed operation with minimal power consumption
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - ESD protection - Easy to use with automatic direction control

Disadvantages: - Limited number of channels (8) - Restricted voltage range (4.5V to 5.5V)

Working Principles

The SN74ABT657ANSR is a bus transceiver that allows bidirectional data transfer between two buses with different voltage levels. The direction of data flow is controlled by the DIR pin. When DIR is high, data flows from Bus A to Bus B, and when DIR is low, data flows from Bus B to Bus A.

The output enable pins (OE1 and OE2) can be used to disable the outputs of either bus, allowing for more flexible control over the data transfer. The integrated ESD protection ensures the reliability of the device in harsh environments.

Detailed Application Field Plans

The SN74ABT657ANSR is commonly used in various applications where bidirectional data transfer between buses is required. Some specific application fields include:

1. Communication Systems: Used in networking equipment, routers, and switches for data transfer between different communication interfaces.
2. Industrial Automation: Enables data exchange between different modules and devices in industrial control systems.
3. Automotive Electronics: Facilitates communication between various electronic components in automotive systems, such as engine control units and infotainment systems.
4. Consumer Electronics: Used in devices like set-top boxes, gaming consoles, and audio/video equipment for data transfer between different subsystems.

Detailed and Complete Alternative Models

1. SN74ABT657ADWR: SOIC package, 2500 units per reel, similar specifications and features.
2. SN74ABT657ADBQR: SSOP (Shrink Small Outline Package) package, 2000 units per reel, similar specifications and features.
3. SN74ABT657APW: TSSOP (Thin Shrink Small Outline Package) package, 3000 units per reel, similar specifications and features.

These alternative models provide similar functionality and can be used as replacements for the SN74ABT657ANSR depending on specific requirements and package preferences.

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