SN74ABT646DGVRE4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, Bi-directional, 3-state, Voltage Translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This integrated circuit is designed to provide level shifting and bus transceiver functionality in high-speed digital systems.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage: 2.3V to 3.6V
• Input Voltage Levels: 0V to VCC
• Output Voltage Levels: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.5ns (Max)
• Output Current: ±24mA
• Number of Pins: 20

Detailed Pin Configuration

1. OE (Output Enable) - Output Enable Control Input
2. A1-A8 - Data Bus Inputs/Outputs
3. B1-B8 - Data Bus Inputs/Outputs
4. DIR (Direction Control) - Direction Control Input
5. GND (Ground) - Ground Reference
6. VCC - Positive Power Supply
7. BDIR (Bi-directional Direction Control) - Bi-directional Direction Control Input
8. VCCA - Positive Power Supply for Port A
9. VCCB - Positive Power Supply for Port B
10. NC (No Connection) - No Connection
11. B1-B8 - Data Bus Inputs/Outputs
12. A1-A8 - Data Bus Inputs/Outputs
13. OE (Output Enable) - Output Enable Control Input
14. GND (Ground) - Ground Reference
15. DIR (Direction Control) - Direction Control Input
16. BDIR (Bi-directional Direction Control) - Bi-directional Direction Control Input
17. VCCB - Positive Power Supply for Port B
18. VCCA - Positive Power Supply for Port A
19. VCC - Positive Power Supply
20. NC (No Connection) - No Connection

Functional Features

• Bi-directional voltage translation between two independent buses.
• Supports bidirectional data flow with direction control.
• 3-state outputs allow multiple devices to share the same bus.
• High-speed operation suitable for high-frequency digital systems.
• Low power consumption.

Advantages and Disadvantages

Advantages

• Provides level shifting capability for interfacing different voltage domains.
• Enables communication between devices operating at different voltage levels.
• Allows for bidirectional data transfer with direction control.
• Supports high-speed operation in digital systems.
• Compact TSSOP package allows for space-efficient designs.

Disadvantages

• Limited to a maximum supply voltage of 3.6V.
• Not suitable for applications requiring voltage translation beyond the specified range.
• May require additional external components for proper functionality in certain applications.

Working Principles

The SN74ABT646DGVRE4 is designed to facilitate level shifting and bus transceiver functionality in digital systems. It operates by translating signals between two independent buses that operate at different voltage levels. The direction control input determines the direction of data flow, allowing bidirectional communication. The 3-state outputs enable multiple devices to share the same bus without interference. The integrated circuit operates at high speeds, making it suitable for use in high-frequency digital systems.

Detailed Application Field Plans

The SN74ABT646DGVRE4 can be used in various applications where level shifting and bus transceiver functionality is required. Some potential application fields include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
2. Communication Systems: It can be utilized in communication systems to facilitate data transfer between devices operating at different voltage domains.
3. Industrial Automation: The IC can be employed in industrial automation systems where different components operate at varying voltage levels, ensuring seamless communication.
4. Automotive Electronics: It can be integrated into automotive electronics to enable communication between different subsystems operating at different voltage levels.

Detailed and Complete Alternative Models

1. SN74ABT646ADW: Wide SOIC (Small Outline Integrated Circuit) package variant of the SN74ABT646DGVRE4.
2. SN74ABT646ADB: SSOP (Shrink Small Outline Package) variant of the SN74ABT646DGVRE4.
3. SN74ABT646APWR: TSSOP PowerPAD package variant of the SN74ABT646DGVRE4.
4. SN74ABT646ANSR: SOP (Small Outline Package) variant of the SN74ABT646DGVRE4.

These alternative models provide similar level shifting and