SN74CBT3244CDBQR

Overview

The SN74CBT3244CDBQR is an octal FET bus switch manufactured by Texas Instruments, designed for high-speed bidirectional data transmission. It operates within a supply voltage range of 4 V to 5.5 V and features low on-resistance with a maximum value of 12 ohms. The device ensures signal integrity through a maximum propagation delay of 150 ps. It is housed in a 20-pin QSOP package and supports surface-mount installation. The component functions reliably across an extended temperature range from -40°C to +85°C.

Feature Summary

• Octal configuration providing eight independent bidirectional channels for efficient data routing
• Low on-resistance characteristic ensuring minimal signal attenuation during conduction
• High-speed performance capability suitable for demanding digital bus applications
• Undershoot protection mechanism integrated to safeguard against transient voltage anomalies

Applications

• High-speed data bus switching in consumer electronics
• Signal routing in industrial control systems
• Data transfer interfaces in computing hardware

Procurement Notes

Verify the specific ordering suffix CDBQR to confirm the 20-lead QSOP package type and reel packaging format. Ensure compatibility with standard surface-mount assembly processes. Confirm RoHS compliance status and moisture sensitivity level requirements for your manufacturing environment before finalizing procurement orders.

Selection Notes

Select this component when an octal bus switch is required for bidirectional data paths operating between 4 V and 5.5 V. It is appropriate for designs prioritizing low propagation delay and compact QSOP footprint. Consider alternative pin counts or packages if channel density or physical dimensions differ from project specifications.

Part Context

This part belongs to the Texas Instruments SN74CBT324x series of FET bus switches. The series offers various configurations including quad and octal options in multiple package styles. These devices are engineered for high-performance digital logic applications requiring fast switching speeds and low power consumption.

Replacement Considerations

SN74CBT3244CDBRG4 is a verified equivalent variant within the same product family.