SN74ABT646ADW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Bus Transceiver and Register
• 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 Rate: Up to 100 Mbps
• Number of Channels: 8

Detailed Pin Configuration

1. OE (Output Enable) - Active Low Output Enable
2. A1-A3 (Address Inputs) - Selects the direction of data flow
3. B1-B3 (Bidirectional Bus Ports) - Connects to one bus
4. DIR (Direction Control) - Controls the direction of data flow
5. GND (Ground) - Ground reference for the IC
6. B4-B6 (Bidirectional Bus Ports) - Connects to another bus
7. VCC (Supply Voltage) - Positive supply voltage
8. OE (Output Enable) - Active Low Output Enable

Functional Features

• Bidirectional data transfer between two buses
• Automatic direction control based on DIR pin
• Output enable/disable functionality
• Non-inverting outputs
• High-speed operation
• Low power consumption
• ESD protection on all inputs and outputs

Advantages

• Allows interfacing between buses with different voltage levels
• Simplifies data transfer between systems
• Provides reliable and efficient communication
• Supports high-speed data transmission
• Offers protection against electrostatic discharge (ESD)

Disadvantages

• Limited to 8 channels, may not be suitable for applications requiring more channels
• Requires careful consideration of voltage compatibility between buses

Working Principles

The SN74ABT646ADW is a bidirectional bus transceiver and register. It enables 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 B1-B3 to B4-B6, and when DIR is low, data flows in the opposite direction.

The OE pin allows the user to enable or disable the outputs. When OE is low, the outputs are enabled, and when OE is high, the outputs are disabled. This feature provides flexibility in controlling the data transfer process.

The IC operates at high speed and consumes low power, making it suitable for various applications that require efficient data transfer. It also incorporates ESD protection on all inputs and outputs, ensuring reliability and durability.

Detailed Application Field Plans

The SN74ABT646ADW can be used in various applications, including:

1. Data communication systems
2. Networking equipment
3. Industrial automation
4. Automotive electronics
5. Medical devices
6. Consumer electronics

In these fields, the IC facilitates the exchange of data between different subsystems or components, enabling seamless communication and efficient operation.

Detailed and Complete Alternative Models

1. SN74ABT646ADB - SSOP (Shrink Small Outline Package) package variant
2. SN74ABT646ANSR - TSSOP (Thin Shrink Small Outline Package) package variant
3. SN74ABT646APWR - TSSOP (Thin Shrink Small Outline Package) package variant
4. SN74ABT646APWRE4 - TSSOP (Thin Shrink Small Outline Package) package variant

These alternative models offer similar functionality and characteristics, providing options for different package preferences or specific application requirements.

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