TC7WBD125AFKT5LF

Overview

The TC7WBD125AFKT5LF is a dual bus switch with level shift capability manufactured by Toshiba Semiconductor and Storage. It operates within a power supply voltage range of 4.5 V to 5.5 V. The device features an ultra-low on-resistance of 5 Ω (typical) and high-speed operation with a maximum propagation delay of 0.32 ns. It supports signal level shifting from 5 V to 3.3 V and includes ESD protection rated at ±200 V machine model and ±2000 V human body model. The quiescent supply current is limited to 10 μA maximum.

Feature Summary

• Dual bus switch architecture enabling connections or disconnections with minimal propagation delay while maintaining low power dissipation.
• Capable of realizing signal level shifts from 5 V to 3.3 V for interfacing between different logic families.
• All inputs are equipped with protector circuits to safeguard the device against static discharge events.

Applications

• Level shifting applications between 5 V and 3.3 V logic domains
• High-speed data bus switching in electronic systems
• Low-power digital circuit interconnects

Procurement Notes

Verify that the component matches the specific TC7WBD125AFK part number and US8 package configuration. Confirm RoHS compliance status through official manufacturer documentation before integration. Ensure design adheres to absolute maximum ratings, particularly regarding power supply voltage limits and input/output voltage constraints. Review the Toshiba Semiconductor Reliability Handbook for derating guidelines and application precautions.

Selection Notes

Select this component when a low on-resistance bus switch is required for high-speed signal routing. It is suitable for designs needing level shifting capabilities between 5 V and 3.3 V systems. Consider its ultra-low propagation delay for timing-critical applications. Evaluate its low quiescent current consumption for power-sensitive projects. Verify compatibility with existing control logic levels.

Part Context

This device belongs to the TC7WBD125 series of CMOS digital integrated circuits. It is designed as a silicon monolithic component utilizing Toshiba's L-MOS logic technology. The product line focuses on providing efficient bus switching solutions with enhanced speed and reduced power consumption characteristics compared to standard alternatives.

Replacement Considerations

Public confirmed substitute part numbers: None identified in source material.

FAQ

What is the typical on-resistance of the TC7WBD125AFKT5LF?

The typical on-resistance (RON) is 5 Ω.

How does the output enable pin control the switch state?

When the output enable (OE) pin is at a low level, the switch is turned on; when it is at a high level, the switch is turned off.

What is the maximum propagation delay time for this device?

The maximum propagation delay time (tpd) is 0.32 ns.