SN74ABT646APWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver and Register
• Characteristics: High-speed, low-power, bidirectional transceiver with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Facilitates bidirectional data transfer between different 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
• Propagation Delay Time: 2.8ns (Max)
• Output Current: ±12mA
• Number of Pins: 24

Detailed Pin Configuration

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. GND (Ground)
5. B2 (Data Input/Output) 2
6. A2 (Data Input/Output) 2
7. OE (Output Enable) 2
8. DIR (Direction Control)
9. VCC (Supply Voltage)
10. B3 (Data Input/Output) 3
11. A3 (Data Input/Output) 3
12. OE (Output Enable) 3
13. I/O1 (Data Input/Output) 1
14. I/O2 (Data Input/Output) 2
15. I/O3 (Data Input/Output) 3
16. GND (Ground)
17. I/O4 (Data Input/Output) 4
18. I/O5 (Data Input/Output) 5
19. I/O6 (Data Input/Output) 6
20. VCC (Supply Voltage)
21. I/O7 (Data Input/Output) 7
22. I/O8 (Data Input/Output) 8
23. I/O9 (Data Input/Output) 9
24. GND (Ground)

Functional Features

• Bidirectional data transfer between different bus systems
• 3-state outputs allow multiple devices to share the same bus
• Output enable control for flexible operation
• High-speed operation with minimal propagation delay
• Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages: - Enables efficient communication between different bus systems - Supports bidirectional data transfer - Allows multiple devices to share the same bus - High-speed operation for quick data transmission - Low power consumption for energy efficiency

Disadvantages: - Limited number of pins restricts the number of data lines that can be connected

Working Principles

The SN74ABT646APWRE4 is a bus transceiver and register IC that facilitates bidirectional data transfer between different bus systems. It operates by receiving data from one bus and transmitting it to another, or vice versa. The direction of data flow is controlled by the DIR pin. The OE pins are used to enable or disable the outputs, allowing multiple devices to share the same bus without interfering with each other.

Detailed Application Field Plans

The SN74ABT646APWRE4 is commonly used in various applications where bidirectional data transfer between different bus systems is required. Some specific application fields include:

1. Communication Systems: Used in networking equipment, routers, and switches to facilitate data transfer between different communication protocols.
2. Industrial Automation: Employed in PLCs (Programmable Logic Controllers) and industrial control systems to enable communication between different modules and devices.
3. Automotive Electronics: Integrated into automotive systems for data exchange between various components, such as sensors, actuators, and control units.
4. Computer Peripherals: Utilized in printers, scanners, and external storage devices to enable data transfer between the computer and peripheral devices.

Detailed and Complete Alternative Models

1. SN74ABT646ADW: Similar to SN74ABT646APWRE4 but available in a wider SOIC (Small Outline Integrated Circuit) package.
2. SN74ABT646ADB: Similar to SN74ABT646APWRE4 but available in a smaller SSOP (Shrink Small Outline Package) package.
3. SN74ABT646ANSR: Similar to SN74ABT646APWRE4 but available in a QFN (Quad Flat No-Lead) package with a smaller footprint.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable package for specific applications.

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