TC7WB66CL8X,LF

Overview

The TC7WB66CL8X,LF is a dual SPST bus switch manufactured by Toshiba Semiconductor and Storage. It operates within a supply voltage range of 1.65 V to 5.5 V and supports an operating temperature range of -40 °C to 125 °C. The device features low on-resistance with typical values between 4 Ω and 9 Ω depending on voltage and current conditions. Input capacitance is typically 4 pF, while switch terminal capacitance is 5 pF when active and 10 pF when inactive. Propagation delays are specified up to 18 ns at 5.0 V. The component utilizes a US8 package.

Feature Summary

• AEC-Q100 Grade 1 qualified for automotive reliability requirements
• Wide operating temperature range extending to 125 °C
• Suitable for analog signal transmission due to complementary P-MOS and N-MOS structure
• Integrated input protector circuits for static discharge protection

Applications

• Automotive electronic systems requiring high reliability
• High-speed digital bus switching applications
• Low power dissipation circuit designs
• Analog signal routing in mixed-signal environments

Procurement Notes

Verify the specific ordering suffix to confirm the operating temperature range, as devices ending in (CT) differ from standard versions. Confirm AEC-Q100 compliance details directly with Toshiba sales representatives if automotive qualification is required. Ensure design adheres to the provided derating concepts and handling precautions outlined in the Toshiba Semiconductor Reliability Handbook.

Selection Notes

Select this component for applications requiring bidirectional data transfer with minimal propagation delay. The wide supply voltage range allows compatibility with various logic families. Consider the ON-resistance characteristics relative to the expected load current to ensure signal integrity. Verify that the US8 package dimensions fit the target PCB layout constraints.

Part Context

This part belongs to the TC7WB66CFK/TC7WB67CFK series of CMOS digital integrated circuits. It functions as a silicon monolithic device designed for efficient bus switching. The series emphasizes low power consumption inherent to CMOS technology while maintaining high-speed performance capabilities suitable for modern digital interfaces.

Replacement Considerations

Public confirmed substitute part numbers are not available in the source material.