74LVC1G17QSE-7

Overview

The 74LVC1G17QSE-7 is a single-input Schmitt trigger buffer manufactured by Diodes Incorporated. It operates within a supply voltage range of 1.65V to 5.5V and features inputs tolerant to 5.5V for mixed-voltage environments. The device includes IOFF circuitry to support partial power-down applications by preventing damaging current backflow. It is AEC-Q100 qualified, suitable for Grade 1 ambient temperature operation from -40°C to +125°C, and housed in an SOT353 package.

Feature Summary

• AEC-Q100 qualified with Grade 1 automotive compliance
• Schmitt trigger input provides noise immunity
• IOFF circuitry supports partial power-down mode
• Inputs accept up to 5.5V regardless of VCC level

Applications

• Voltage level shifting
• Power down signal isolation
• Automotive applications within Grade 1 temperature range
• Industrial computing and controls
• High reliability networking and communications

Procurement Notes

Verify the specific ordering suffix 'SE' corresponds to the SOT353 package configuration required for your design. Confirm that the '-7' tape and reel quantity aligns with your manufacturing needs. Ensure the component meets RoHS 3 and halogen-free requirements if mandated by your project specifications. Cross-reference the datasheet revision to confirm all electrical characteristics match your system constraints.

Selection Notes

Select this component when a non-inverting buffer with hysteresis is required for noisy digital signals. The wide supply voltage range allows compatibility with various logic families. The inclusion of IOFF functionality makes it suitable for systems requiring controlled power sequencing. Verify that the SOT353 footprint fits your PCB layout constraints compared to alternative packages like SOT25.

Part Context

This part belongs to the 74LVC1G17Q series of single Schmitt trigger buffers. It is designed for automotive and industrial applications requiring high reliability. The Q suffix indicates AEC-Q100 qualification, while SE denotes the SOT353 surface-mount package. It serves as a robust interface solution for converting and buffering signals across different voltage domains in complex electronic systems.

Replacement Considerations

Check for other suffixes such as W5 for the SOT25 package variant. Verify functional equivalence with other 74LVC1G17 parts from different manufacturers if pinout compatibility is critical.

FAQ

Does the 74LVC1G17QSE-7 support partial power-down?

Yes, the device includes IOFF circuitry that disables the output to prevent damaging current backflow when the device is powered down.

What is the maximum input voltage tolerance?

The inputs are tolerant to 5.5V, allowing the device to be used in mixed voltage environments regardless of the VCC level.