TC7MBL3125CFT(QCEL

Overview

The TC7MBL3125CFT is a low-voltage, low-capacitance CMOS quad bus switch manufactured by Toshiba. It operates within a supply voltage range of 1.65 V to 3.6 V and supports an operating temperature range from -40 °C to 125 °C for units produced after April 2020. The device features a typical on-resistance (RON) of 6.5 Ω at 3.0 V and a typical ON capacitance (CI/O) of 7.5 pF. It includes power-down protection for inputs and meets AEC-Q100 Grade 1 qualification standards.

Feature Summary

• Low-voltage operation with wide supply voltage compatibility
• Low capacitance design for minimal signal distortion
• Power-down protection integrated for all control and data inputs
• AEC-Q100 Grade 1 qualified for automotive reliability requirements

Applications

• Automotive electronic systems requiring high reliability
• Portable devices utilizing low-voltage logic interfaces
• High-speed data bus switching applications
• Systems requiring bidirectional level shifting between different voltage domains

Procurement Notes

Verify the manufacturing date against the April 2020 cutoff when specifying the extended temperature range of -40 °C to 125 °C. Confirm package type availability, as the suffix indicates specific packaging configurations. Ensure compliance with RoHS directives and verify that the application does not fall under unintended use restrictions defined in the product documentation.

Selection Notes

Select this component for designs requiring bidirectional data transfer with minimal propagation delay. The TC7MBL3125CFT requires the OE input to be set high for high-impedance output states, distinguishing it from complementary variants. Consider the low on-resistance for maintaining signal integrity across the bus. Verify input voltage levels align with the system's logic thresholds to ensure proper switching behavior.

Part Context

This device belongs to the TC7MBL series of CMOS digital integrated circuits designed for bus switching applications. It shares functional similarities with the TC7MBL3126CFT but differs in the logic polarity required to enable the high-impedance state. The series is engineered for low-power consumption and fast switching speeds suitable for modern low-voltage digital systems.

Replacement Considerations

The TC7MBL3126CFT serves as a direct functional substitute with inverted enable logic. Verify pinout compatibility and ensure the OE control signal polarity matches the replacement device's truth table before implementation.