The TC7WBL126AFK(T5L.F) is a high-speed CMOS dual bit, dual supply level translator manufactured by Toshiba Semiconductor and Storage. This device is designed to enable bidirectional level translation between two voltage domains, making it suitable for mixed-voltage systems. It supports various voltage levels and offers low power consumption, making it an ideal choice for portable and low-power applications.

Applications

• Mobile phones and smartphones: Level translation between baseband processors and peripheral devices.
• Tablets and laptops: Interfacing between different voltage rails within the system.
• Wearable devices: Voltage level shifting for sensors and displays.
• SD card interfaces: Level translation for SD card communication.
• I2C and SPI bus level translation: Enabling communication between devices operating at different voltage levels.

Features

• Bidirectional Level Translation: Allows data transfer in both directions without the need for direction control signals.
• Wide Voltage Range: Supports VCCA from 1.65V to 5.5V and VCCB from 2.3V to 5.5V.
• High-Speed Operation: Provides fast propagation delays, ensuring minimal impact on system performance.
• Low Power Consumption: Minimizes power dissipation, making it suitable for battery-powered applications.
• Small Package Size: Available in a compact package, saving valuable board space.
• Over-Voltage Tolerance: Input pins are over-voltage tolerant up to 6.5V, regardless of the supply voltage.

Benefits

• Simplified System Design: Reduces the complexity of mixed-voltage systems by providing a seamless level translation solution.
• Improved Performance: High-speed operation ensures minimal signal degradation and maintains system performance.
• Extended Battery Life: Low power consumption contributes to longer battery life in portable devices.
• Reduced Board Space: Small package size allows for more compact and efficient designs.
• Enhanced Reliability: Over-voltage tolerance protects the device from potential damage.

Additional Details

The TC7WBL126AFK(T5L.F) utilizes a pass-transistor architecture with a control circuit that senses the direction of data flow and automatically adjusts the signal levels. This eliminates the need for external direction control signals, simplifying the interface and reducing the number of required pins. The device is available in a US8 package and operates over a wide temperature range. It complies with industry standards for RoHS compliance and lead-free manufacturing.

The device's propagation delay time is typically around 3ns, which ensures that it can be used in high-speed applications without introducing significant delays. The inputs and outputs are designed to be compatible with both 3.3V and 5V logic levels, making it a versatile solution for a wide range of applications.