Overview
The SN74AVC2T45DCTRE4 is a dual-bit, dual-supply bus transceiver manufactured by Texas Instruments. It belongs to the category of voltage-level translators and is designed to facilitate bidirectional voltage translation between different logic levels. This product is particularly suitable for applications requiring seamless communication between devices operating at different voltage levels. Its market positioning targets embedded systems, industrial automation, and consumer electronics, offering a compact and efficient solution for voltage translation challenges. The SN74AVC2T45DCTRE4 stands out for its low power consumption, high-speed operation, and robust design, making it a competitive choice in its category.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Bits | 2 | bits | Dual-bit configuration |
| Supply Voltage (VCCA) | 1.2 to 3.6 | V | Port A supply voltage |
| Supply Voltage (VCCB) | 1.2 to 3.6 | V | Port B supply voltage |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Data Rate | up to 380 | Mbps | High-speed operation |
| Package | SM8 | - | 8-pin VSSOP |
| I/O Type | 3-State | - | Bidirectional with tri-state outputs |
| ESD Protection | ±8 | kV | HBM (Human Body Model) |
| Low Power Consumption | 0.9 | µA | Typical ICC at 3.3V |
| Direction Control | DIR pin | - | Controls data flow direction |
Key Features
- Bidirectional Voltage Translation: Enables seamless communication between devices with different voltage levels.
- Low Power Consumption: Ideal for battery-powered and energy-efficient applications.
- High-Speed Operation: Supports data rates up to 380 Mbps for fast data transfer.
- Compact Package: 8-pin VSSOP package saves board space in compact designs.
- Robust ESD Protection: Protects against electrostatic discharge up to ±8 kV.
- Wide Supply Voltage Range: Operates from 1.2V to 3.6V, making it versatile for various applications.
Applications
The SN74AVC2T45DCTRE4 is widely used in applications requiring voltage-level translation. Key application areas include:
- Embedded Systems: Facilitates communication between microcontrollers and peripherals operating at different voltage levels.
- Industrial Automation: Ensures reliable data transfer in industrial control systems with mixed voltage logic.
- Consumer Electronics: Supports voltage translation in smartphones, tablets, and other portable devices.
- Automotive Electronics: Used in automotive systems for interfacing between different voltage domains.
- IoT Devices: Enables efficient communication in IoT applications with low power requirements.
Q & A
1. What is the purpose of the SN74AVC2T45DCTRE4?
The SN74AVC2T45DCTRE4 is a dual-bit, dual-supply bus transceiver designed for bidirectional voltage translation between different logic levels.
2. What is the operating voltage range of this device?
It operates with supply voltages ranging from 1.2V to 3.6V on both Port A and Port B.
3. What is the maximum data rate supported?
The device supports data rates up to 380 Mbps.
4. Does it support bidirectional communication?
Yes, it supports bidirectional communication with direction controlled by the DIR pin.
5. What is the package type of the SN74AVC2T45DCTRE4?
It comes in an 8-pin VSSOP (SM8) package.
6. Is this device suitable for low-power applications?
Yes, it features low power consumption, typically 0.9 µA at 3.3V.
7. What is the ESD protection level of this device?
It provides ESD protection up to ±8 kV (HBM).
8. Can it be used in automotive applications?
Yes, it is suitable for automotive electronics where voltage translation is required.
9. What is the operating temperature range?
It operates in the industrial temperature range of -40°C to 85°C.
10. How does the DIR pin function?
The DIR pin controls the direction of data flow, determining whether data is transmitted from Port A to Port B or vice versa.
