SN74LVTH2245DWE4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-Speed, Low-Voltage, 8-Bit Bidirectional Transceiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data between two bidirectional buses with different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 8
• Data Rate: Up to 400 Mbps
• Propagation Delay: 2.9 ns (Max)
• Output Drive Strength: ±12 mA

Detailed Pin Configuration

1. OE (Output Enable) 1
2. A1 (Data I/O) 1
3. B1 (Data I/O) 1
4. GND (Ground)
5. B2 (Data I/O) 2
6. A2 (Data I/O) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. B3 (Data I/O) 3
10. A3 (Data I/O) 3
11. B4 (Data I/O) 4
12. A4 (Data I/O) 4
13. OE (Output Enable) 3
14. VCC (Supply Voltage)
15. B5 (Data I/O) 5
16. A5 (Data I/O) 5
17. B6 (Data I/O) 6
18. A6 (Data I/O) 6
19. OE (Output Enable) 4
20. GND (Ground)
21. B7 (Data I/O) 7
22. A7 (Data I/O) 7
23. B8 (Data I/O) 8
24. A8 (Data I/O) 8

Functional Features

• Bidirectional voltage level shifting between two buses with different voltage levels
• Supports both push-pull and open-drain output configurations
• 3-state outputs allow multiple devices to share the same bus
• High-speed operation up to 400 Mbps
• Low power consumption
• ESD protection on all inputs and outputs

Advantages

• Enables communication between systems operating at different voltage levels
• Provides reliable data transfer with minimal delay
• Flexible output configurations for various applications
• Wide operating temperature range allows usage in harsh environments
• ESD protection ensures robustness against electrostatic discharge

Disadvantages

• Limited to 8-bit bidirectional data transfer
• Requires careful consideration of voltage compatibility between buses
• May not be suitable for applications requiring higher data rates

Working Principles

The SN74LVTH2245DWE4 is a bidirectional level shifter and bus transceiver integrated circuit. It facilitates data transfer between two buses that operate at different voltage levels. The device features eight bidirectional channels, allowing simultaneous transmission in both directions.

The input/output voltage levels are compatible with low-voltage systems, ranging from 2.7V to 3.6V. The transceiver utilizes a combination of CMOS and TTL logic to achieve high-speed operation up to 400 Mbps. The 3-state outputs enable multiple devices to share the same bus without interference.

To ensure reliable operation, the SN74LVTH2245DWE4 incorporates ESD protection on all inputs and outputs, safeguarding against electrostatic discharge. The device is housed in a small outline integrated circuit (SOIC) package, providing ease of integration into various electronic systems.

Detailed Application Field Plans

The SN74LVTH2245DWE4 finds applications in numerous fields where voltage level shifting and bidirectional data transfer are required. Some potential application areas include:

1. Communication Systems: Facilitating data exchange between devices operating at different voltage levels, such as microcontrollers, sensors, and display modules.
2. Industrial Automation: Enabling communication between control systems and peripheral devices with varying voltage requirements.
3. Automotive Electronics: Supporting data transmission between different subsystems within a vehicle, such as infotainment systems, engine control units, and sensors.
4. Consumer Electronics: Integrating the transceiver into devices like smartphones, tablets, and gaming consoles to enable connectivity between components.
5. Internet of Things (IoT): Enabling interoperability between IoT devices that operate at different voltage levels, enhancing overall system compatibility.

Detailed and Complete Alternative Models

1. SN74LVC4245A: 8-bit dual-supply bus transceiver with