SN74CBTLV3126RGYR

Overview

The SN74CBTLV3126RGYR is a low-voltage quadruple FET bus switch manufactured by Texas Instruments. It operates within a supply voltage range of 2.3 V to 3.6 V and features four independent channels configured as 1 x 1:1 switches. The device utilizes a 14-VQFN package with dimensions of 3.5x3.5 mm. Key electrical specifications include a maximum on-resistance (Ron) of 40 Ohms, a typical Ron of 5 Ohms, and a bandwidth of 200 MHz. It supports powered-off protection and functions within an operating temperature range of -40°C to +85°C.

Feature Summary

• Provides powered-off protection to prevent current leakage when the device is unpowered.
• Supports high-speed digital signals including SPI and JTAG interfaces.
• Features low on-resistance for efficient signal transmission in low-voltage applications.

Applications

• SPI interface signal routing
• JTAG boundary scan circuitry
• Portable consumer electronics

Procurement Notes

Verify the specific suffix 'RGYR' corresponds to the 14-VQFN (3.5x3.5mm) package configuration. Confirm RoHS compliance status and moisture sensitivity level (MSL) requirements for your assembly process. Ensure the ordering part number matches the exact manufacturer designation to avoid pinout or electrical specification mismatches during integration.

Selection Notes

Select this component for designs requiring low-voltage operation between 2.3 V and 3.6 V. It is suitable for applications needing bidirectional data flow with minimal signal distortion. Consider the 200 MHz bandwidth for high-speed digital buses. The small VQFN footprint makes it ideal for space-constrained portable devices compared to larger packages like TSSOP or SOIC.

Part Context

This part belongs to the SN74CBTLV3126 family of low-voltage quadruple FET bus switches from Texas Instruments. While other variants exist in different packages such as TSSOP (SN74CBTLV3126PWR) or TVSOP (SN74CBTLV3126DGVR), the RGYR suffix specifically denotes the VQFN-14 package. All variants share the same core electrical characteristics and functionality.

Replacement Considerations

No verified public substitute part numbers are available for this specific component.

FAQ

Does the SN74CBTLV3126RGYR support powered-off protection?

Yes, the device includes powered-off protection to prevent current leakage through the I/O pins when the supply voltage is zero.

What is the maximum operating supply voltage for this IC?

The maximum operating supply voltage is 3.6 V.