Texas Instruments

SN74CBT3245CRGYR

SN74CBT3245CRGYR Description

The SN74CBT3245CRGYR from Texas Instruments is a high-performance 8-bit bus switch designed for bidirectional voltage-level translation and signal routing in mixed-voltage systems. Housed in a compact 20-VQFN package, this surface-mount IC operates on a single supply voltage (4V to 5.5V), making it ideal for 5V-tolerant applications. As part of the 74CBT series, it features 8 independent 1:1 switch circuits, enabling seamless data flow between ports with minimal propagation delay. Compliant with ROHS3 and REACH standards, it is suitable for environmentally conscious designs.

SN74CBT3245CRGYR Features

• Low On-State Resistance (5Ω typical): Ensures minimal signal distortion and power loss.
• Fast Switching (tPD < 5ns): Enables high-speed data transfer for time-critical applications.
• Wide Voltage Range (4V–5.5V): Supports compatibility with 5V and 3.3V logic levels.
• Bidirectional Operation: Eliminates the need for direction control, simplifying design.
• ESD Protection (≥2000V HBM): Enhances reliability in harsh environments.
• Tape & Reel (TR) Packaging: Optimized for automated assembly processes.
• Moisture Sensitivity Level (MSL 2): Suitable for industrial and consumer applications with a 1-year floor life.

SN74CBT3245CRGYR Applications

• Voltage-Level Translation: Bridges 5V and 3.3V systems in FPGA/ASIC interfaces.
• Hot-Swap Protection: Isolates bus segments during live insertion/removal in servers and storage systems.
• Signal Multiplexing: Routes analog/digital signals in test equipment and data acquisition systems.
• Port Expansion: Enables flexible I/O sharing in embedded systems and microcontrollers.
• Battery-Powered Devices: Low power consumption suits portable electronics like handheld instruments.

Conclusion of SN74CBT3245CRGYR

The SN74CBT3245CRGYR stands out for its low latency, robust ESD protection, and bidirectional flexibility, making it superior to passive multiplexers. Its compact footprint and industry-standard compliance ensure seamless integration into automotive, industrial, and telecom designs. Engineers favor this IC for high-speed signal integrity and reliability in mixed-voltage environments, solidifying its role as a versatile bus-switching solution.