The SN74AVC4T245RGYR, manufactured by Texas Instruments, is a high-performance quad-bit (nibble) bus transceiver designed for bidirectional voltage-level translation. This device supports two independent supply voltages (VCCA and VCCB), enabling seamless communication between systems operating at different voltage levels, ranging from 1.2V to 3.6V. The SN74AVC4T245RGYR is optimized for low-voltage applications requiring high-speed data exchange while maintaining signal integrity and power efficiency.

Key Features

• Dual-Supply Operation: Operates with VCCA and VCCB ranges from 1.2V to 3.6V, facilitating level translation between different power domains.
• High-Speed Performance: Supports data rates up to 200 Mbps, ensuring fast and efficient data transfer across interfaces.
• Bidirectional Translation: Allows data flow in both directions between A and B ports, offering flexibility in system design without additional components.
• Low Power Consumption: With typical ICC of 10µA, it minimizes power usage, making it ideal for battery-operated devices.
• I_off Support: Provides partial power-down protection, safeguarding the device when one side is powered down.
• Wide Operating Temperature Range: Functions reliably from -40°C to +85°C, suitable for various environmental conditions.
• Compact Package: Available in a space-saving VQFN-32 package, saving valuable PCB space while simplifying assembly processes.

Application Areas

The SN74AVC4T245RGYR is well-suited for:

• Consumer Electronics: Portable devices such as smartphones, tablets, and wearables benefit from its low-power, high-speed data routing.
• Industrial Automation: PLCs and other industrial control systems requiring robust communication between different voltage domains.
• Telecommunication Equipment: Network switches and routers needing reliable signal translation and distribution.
• Automotive Applications: In-car entertainment systems and advanced driver assistance systems (ADAS) leveraging its bidirectional capabilities and reliability.

Summary

The SN74AVC4T245RGYR excels as a versatile dual-supply bus transceiver capable of high-speed, bidirectional voltage-level translation. Its ability to operate across different voltage levels, combined with its low power consumption and compact size, makes it an essential component for modern electronic designs. Whether used in consumer electronics, industrial controls, or automotive systems, this device ensures reliable performance and efficient data management in a variety of applications. It stands out as a solution that meets the demands of today's complex, multi-voltage systems with ease and efficiency.