SN74ABT646ADWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver and Register
• Characteristics: High-speed, low-power, bidirectional transceiver with 3-state outputs
• Package: SOIC-24 (Small Outline Integrated Circuit), Wide Body
• Essence: The SN74ABT646ADWR is a versatile IC that allows bidirectional transfer of data between different bus systems. It can be used to interface between buses operating at different voltage levels or protocols.
• Packaging/Quantity: The SN74ABT646ADWR is typically sold in reels of 250 units.

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 Data Rate: 100 MHz
• Number of Pins: 24

Detailed Pin Configuration

The SN74ABT646ADWR has a total of 24 pins, which are assigned specific functions. Here is the detailed pin configuration:

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. GND (Ground)
9. B1 (Data Bus B) 1
10. B2 (Data Bus B) 2
11. B3 (Data Bus B) 3
12. B4 (Data Bus B) 4
13. B5 (Data Bus B) 5
14. B6 (Data Bus B) 6
15. VCC (Supply Voltage)
16. DIR (Direction Control)
17. OE (Output Enable) 2
18. Y1 (Data Bus Y) 1
19. Y2 (Data Bus Y) 2
20. Y3 (Data Bus Y) 3
21. Y4 (Data Bus Y) 4
22. Y5 (Data Bus Y) 5
23. Y6 (Data Bus Y) 6
24. GND (Ground)

Functional Features

• Bidirectional data transfer between two bus systems
• Direction control pin for selecting the direction of data flow
• Output enable pins for enabling/disabling the outputs
• 3-state outputs for high impedance when not enabled
• High-speed operation with minimal propagation delay

Advantages and Disadvantages

Advantages: - Versatile IC for interfacing between different bus systems - High-speed operation allows for efficient data transfer - Low-power consumption - Compact SOIC-24 package for space-saving designs

Disadvantages: - Limited to a maximum data rate of 100 MHz - Requires careful handling due to sensitive input/output pins

Working Principles

The SN74ABT646ADWR works by utilizing its bidirectional transceiver and register functionality. The direction control pin determines whether the data is transferred from bus A to bus B or vice versa. The output enable pins can be used to enable or disable the outputs, allowing for high impedance when not in use. The IC operates at high speeds and consumes low power, making it suitable for various applications.

Detailed Application Field Plans

The SN74ABT646ADWR can be used in a wide range of applications, including:

1. Microprocessor interfacing
2. Data communication systems
3. Industrial automation
4. Automotive electronics
5. Networking equipment

Detailed and Complete Alternative Models

1. SN74ABT646ADB - Same functionality, different package (SSOP-24)
2. SN74ABT646APW - Same functionality, different package (TSSOP-24)
3. SN74ABT646ANSR - Same functionality, different package (SO-24)

These alternative models offer the same features and functionality as the SN74ABT646ADWR but come in different packages to suit specific design requirements.

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