SN74ABT2245PWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-power, bidirectional voltage-level translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74ABT2245PWR is a level shifter and bus transceiver IC that allows for bidirectional voltage-level translation between two different voltage domains.
• Packaging/Quantity: Available in tape and reel packaging with 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
• Maximum Data Rate: 100Mbps

Detailed Pin Configuration

The SN74ABT2245PWR has a total of 20 pins, which are assigned specific functions as follows:

1. OE (Output Enable) 1
2. A1 (Data Bus A) 1
3. B1 (Data Bus B) 1
4. A2 (Data Bus A) 2
5. B2 (Data Bus B) 2
6. A3 (Data Bus A) 3
7. B3 (Data Bus B) 3
8. GND (Ground)
9. B4 (Data Bus B) 4
10. A4 (Data Bus A) 4
11. B5 (Data Bus B) 5
12. A5 (Data Bus A) 5
13. B6 (Data Bus B) 6
14. A6 (Data Bus A) 6
15. VCC (Supply Voltage)
16. DIR (Direction Control)
17. B7 (Data Bus B) 7
18. A7 (Data Bus A) 7
19. B8 (Data Bus B) 8
20. A8 (Data Bus A) 8

Functional Features

• Bidirectional voltage-level translation between two different voltage domains.
• High-speed operation with a maximum data rate of 100Mbps.
• Low-power consumption.
• Output enable control for disabling the outputs when not in use.
• Direction control for selecting the direction of data flow.

Advantages and Disadvantages

Advantages: - Allows for seamless communication between devices operating at different voltage levels. - High-speed operation enables efficient data transfer. - Low-power consumption helps in reducing overall power consumption of the system.

Disadvantages: - Limited to voltage translation between specific voltage ranges. - Requires careful consideration of input and output voltage levels to ensure proper functionality.

Working Principles

The SN74ABT2245PWR works by utilizing a combination of level shifting and bus transceiver techniques. It consists of bidirectional buffers that can translate signals between two different voltage domains. The direction of data flow is controlled by the DIR pin, while the OE pin allows for enabling or disabling the outputs. The IC operates at high speed and consumes low power, making it suitable for various applications.

Detailed Application Field Plans

The SN74ABT2245PWR finds applications in various fields where voltage-level translation and bus transceiver functionality are required. Some of the potential application areas include:

1. Communication Systems: Used for interfacing between devices operating at different voltage levels in communication systems such as routers, switches, and network interfaces.
2. Industrial Automation: Enables communication between different components of industrial automation systems, including sensors, actuators, and controllers.
3. Automotive Electronics: Facilitates voltage-level translation in automotive electronics systems, allowing for communication between different subsystems and components.
4. Consumer Electronics: Used in consumer electronic devices like smartphones, tablets, and gaming consoles to enable communication between different voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC4245APWR: Similar functionality with lower power consumption.
2. SN74HCT245PWR: Higher voltage range compatibility with slightly slower data rate.
3. SN74LVCHT245APWR: Improved noise immunity and higher data rate capability.

These alternative models offer similar functionality to the SN74ABT2245PWR but may have differences in characteristics, specifications, or package options.

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