74LVC1G34QSE-7

Overview

The 74LVC1G34QSE-7 is an automotive-compliant single buffer gate manufactured by Diodes Incorporated. It operates within a supply voltage range of 1.65V to 5.5V and features standard push-pull outputs with ±24mA drive capability at 3.3V. The device supports partial power-down via IOFF circuitry, preventing backflow current when powered down. Inputs tolerate up to 5.5V regardless of VCC level, enabling mixed-voltage operation. It meets AEC-Q100 Grade 1 standards for ambient temperatures from -40°C to +125°C.

Feature Summary

• AEC-Q100 qualified for automotive applications requiring specific change control
• IOFF circuitry enables partial power-down mode without damaging backflow
• Inputs accept up to 5.5V independent of the VCC level
• Standard push-pull output configuration

Applications

• Voltage Level Shifting
• General Purpose Logic
• Power Down Signal Isolation
• Automotive Applications within Grade 1 Temperature Range
• Industrial Computing/Controls/Automation

Procurement Notes

Verify that the ordering suffix matches the required package type, as the QSE variant specifically denotes the SOT353 package. Confirm the presence of the 'Q' designation to ensure AEC-Q100 qualification and PPAP capability are included. Check manufacturing facility certification status if IATF 16949 compliance is a strict requirement for your supply chain. Ensure the packing quantity aligns with production needs, typically supplied in tape and reel formats.

Selection Notes

Select this component when a non-inverting buffer is required in mixed-voltage environments where inputs may exceed the system's core logic voltage. The wide supply range accommodates both low-power and higher-speed applications. Consider the thermal resistance characteristics of the SOT353 package for PCB layout planning. Verify that the propagation delay specifications meet the timing requirements of the target digital interface or bus architecture.

Part Context

This part belongs to the 74LVC family of single-function gates designed for low-voltage CMOS applications. The 74LVC1G34 series provides buffering functions with high noise immunity. The Q-series designation indicates automotive-grade reliability and quality control. Diodes Incorporated manufactures these devices in IATF 16949 certified facilities to support stringent automotive industry standards.

Replacement Considerations

Check for other 74LVC1G34 variants from different manufacturers that offer identical pinouts and electrical characteristics. Verify that any substitute also holds AEC-Q100 qualification if automotive use is intended. Ensure the replacement package matches the SOT353 footprint to maintain board compatibility.