Overview
The SN74AVCH8T245PWR is an 8-bit dual-supply bus transceiver manufactured by Texas Instruments. This product belongs to the category of voltage level translation devices, designed to facilitate bidirectional voltage translation between different logic levels. It is particularly suited for applications requiring seamless communication between devices operating at different voltage levels, such as 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V. The SN74AVCH8T245PWR is positioned as a reliable solution for mixed-voltage systems in industrial, automotive, and consumer electronics. Its unique selling points include robust signal integrity, low power consumption, and high-speed operation, making it a competitive choice in its segment.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Bits | 8 | - | Bidirectional |
| Supply Voltage (VCCA) | 1.2 to 3.6 | V | Voltage range for Port A |
| Supply Voltage (VCCB) | 1.2 to 3.6 | V | Voltage range for Port B |
| Data Rate | 500 | Mbps | Maximum data transfer rate |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Package | TSSOP-24 | - | PW package |
| I/O Type | Tri-State | - | Output control |
| Propagation Delay | 3.5 | ns | Typical value |
| Power Consumption | Low | - | Designed for energy efficiency |
Key Features
- Bidirectional Voltage Translation: Enables seamless communication between devices with different voltage levels.
- High-Speed Operation: Supports data rates up to 500 Mbps, ideal for fast data transfer applications.
- Low Power Consumption: Optimized for energy-efficient designs.
- Robust Signal Integrity: Features built-in ESD protection and noise immunity.
- Wide Voltage Range: Operates with supply voltages from 1.2V to 3.6V, providing flexibility in mixed-voltage systems.
Applications
The SN74AVCH8T245PWR is widely used in various industries due to its versatile voltage translation capabilities. In industrial automation, it facilitates communication between control systems and sensors operating at different logic levels. In consumer electronics, it is employed in smartphones, tablets, and other portable devices to interface between low-voltage processors and higher-voltage peripherals. In automotive electronics, it ensures reliable data exchange between subsystems with varying voltage requirements. Additionally, it is used in IoT devices and embedded systems to enable efficient and reliable voltage level shifting.
Q & A
1. What is the primary function of the SN74AVCH8T245PWR?
The SN74AVCH8T245PWR is an 8-bit bidirectional bus transceiver designed for voltage level translation between different logic levels.
2. What voltage ranges does it support?
It supports supply voltages from 1.2V to 3.6V for both Port A and Port B.
3. What is the maximum data rate supported?
The device supports a maximum data rate of 500 Mbps.
4. Is it suitable for automotive applications?
Yes, it is designed to meet the requirements of automotive electronics, including robust signal integrity and wide temperature range.
5. What package does it come in?
It is available in a TSSOP-24 (PW) package.
6. Does it have ESD protection?
Yes, it features built-in ESD protection to ensure reliability in harsh environments.
7. Can it operate in industrial temperature ranges?
Yes, it operates reliably in temperatures ranging from -40°C to 85°C.
8. How does it handle bidirectional communication?
It uses tri-state outputs and direction control pins to manage bidirectional data flow.
9. What is the typical propagation delay?
The typical propagation delay is 3.5 ns.
10. Is it suitable for low-power applications?
Yes, it is designed for low power consumption, making it ideal for energy-efficient designs.
