IDT74CBTLV3126QG

Overview

The IDT74CBTLV3126QG is a low-voltage quadruple FET bus switch manufactured by Renesas Electronics. It operates within a supply voltage range of 2.3V to 3.6V and features four independent bidirectional switches controlled by active-high enable inputs. The device provides powered-off protection, ensuring high-impedance states when power is removed. It supports hot swapping and hot docking without generating ground bounce noise or significant propagation delay. The component is available in a 16-pin QSOP package and is designed for applications requiring voltage translation and bus isolation.

Feature Summary

• Provides powered-off protection to maintain high-impedance states during power loss
• Supports hot swapping and hot docking operations safely
• Enables voltage translation between different logic levels

Applications

• Hot-swappable systems requiring safe bus switching
• Voltage translation interfaces between mixed-voltage domains
• Bus isolation in data processing equipment

Procurement Notes

Verify the manufacturer designation carefully, as the part number prefix may appear as IDT or Renesas depending on the specific production lot and historical branding transitions. Confirm the package type is QSOP-16 and ensure the voltage specifications match the target system requirements of 2.3V to 3.6V. Cross-reference with official Renesas documentation to confirm current availability status and any potential obsolescence notices associated with this specific suffix.

Selection Notes

Select this component when designing circuits that require low-on-resistance switching for multiple bidirectional data lines within a low-voltage environment. It is suitable for replacing standard logic devices where lower capacitance and reduced power consumption are critical. Ensure the design accommodates the active-high enable control scheme and utilizes the provided powered-off protection features for robust system operation.

Part Context

This component belongs to the 74CBTLV series of low-voltage bus switches. It is functionally compatible with similar quad bus switch architectures but is optimized for low-voltage operation. The device integrates N-channel FETs to provide efficient signal routing with minimal distortion. It serves as a key interface element in modern electronic systems requiring reliable data path management under varying power conditions.

Replacement Considerations

The datasheet lists IDT74CBTLV3126 as an alias. Verify pin compatibility with other quad bus switches if substituting, though direct equivalents depend on specific electrical parameter tolerances and package constraints.