SN74LVC1T45QDCKRQ1

Translators, Level Shifters Overview

The SN74LVC1T45QDCKRQ1 is a single-channel bidirectional voltage level translator from Texas Instruments, designed for automotive applications. It operates with dual supply voltages ranging from 1.65V to 5.5V on both ports. The device supports data rates up to 420Mbps and features a propagation delay of 6.9ns. It is housed in a 6-pin SC-70 package and meets AEC-Q100 qualification standards. The component includes three-state outputs and accepts CMOS or TTL input levels.

Translators, Level Shifters Feature Summary

• Bidirectional voltage translation between dual power domains
• AEC-Q100 qualified for automotive reliability
• Integrated dynamic pull-down resistors on I/O pins
• Supports floating control inputs via static pull-down

Translators, Level Shifters Applications

• Automotive embedded systems
• Dual-supply bus interfacing
• Low-voltage logic to high-voltage logic translation

Translators, Level Shifters Procurement Notes

Verify the Q1 suffix confirms AEC-Q100 automotive qualification. Confirm the DCK package code matches the required SC-70 footprint. Ensure the R1 tape-and-reel specification aligns with automated assembly requirements. Cross-reference the manufacturer datasheet for specific handling and storage conditions.

Translators, Level Shifters Selection Notes

Select this component when a single channel of bidirectional translation is required in an automotive environment. It is suitable for connecting low-voltage controllers to higher-voltage peripherals. Consider the SC-70 package size for space-constrained designs. Verify that the 1.65V to 5.5V operating range covers all system voltage rails.

Translators, Level Shifters Part Context

This part belongs to the SN74LVC1T45 family of single-bit dual-supply bus transceivers. The Q1 designation indicates it is optimized for automotive use, meeting strict reliability standards. It shares functional similarities with non-automotive variants but offers extended temperature ranges and robustness required for vehicle electronics.

Translators, Level Shifters Replacement Considerations

SN74LVC1T45DCKR is a non-automotive equivalent. SN74LVC1T45YZPR offers a different DSBGA-6 package. SN74LXC1T45 provides similar functionality with Schmitt trigger inputs.