SN74CBT3244CRGYR

Overview

The SN74CBT3244CRGYR is an octal FET bus switch manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and supports bidirectional data transfer across eight independent channels. The device utilizes a 20-pin VQFN package with dimensions of 3.5 mm by 4.5 mm. It functions reliably in ambient temperatures ranging from -40°C to +85°C. The component features low on-resistance and is designed for high-speed signal switching applications requiring minimal propagation delay.

Feature Summary

• Octal configuration providing eight independent bidirectional bus switches
• Low on-resistance characteristic for efficient signal transmission
• Compatible with standard TTL logic input levels
• Supports high-speed data transfer with low propagation delay

Applications

• High-speed data bus switching in consumer electronics
• Signal routing in portable computing devices
• Memory interface expansion systems
• Industrial control board interconnects

Procurement Notes

Verify the specific suffix CRGYR against the manufacturer's current datasheet to confirm package type, temperature grade, and tape-and-reel specifications. Ensure the ordering part number matches the exact pinout and electrical characteristics required for the design. Cross-reference with official Texas Instruments documentation to validate RoHS compliance and moisture sensitivity level prior to procurement.

Selection Notes

Select this component when an octal bus switch is required for 5V logic systems. It is suitable for designs needing bidirectional data flow with low insertion loss. Consider the VQFN package constraints for PCB layout. Verify that the operating voltage range aligns with the system power supply. Evaluate thermal performance requirements for the intended application environment.

Part Context

This device belongs to the Texas Instruments 74CBT series of bus switches. It serves as a digital signal routing solution for high-speed parallel buses. The component integrates multiple FET switches into a single compact package. It replaces discrete transistor solutions to save board space. The series is designed for applications requiring fast switching speeds and low power consumption.

Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include SN74CBT3244DGVR and SN74CBT3244CPWR. Verify pin compatibility and package dimensions before substitution. Check datasheet differences for propagation delay and on-resistance variations.