SN74AHC14QWBQARQ1

Overview

The SN74AHC14QWBQARQ1 is an automotive-grade hex Schmitt-trigger inverter manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 5.5 V and supports an operating temperature from -40°C to +125°C. The device utilizes the EPIC process and features latch-up performance exceeding 250 mA per JESD 17. It provides ESD protection exceeding 2000 V per MIL-STD-883, Method 3015. The component is housed in a 14-pin WQFN package.

Feature Summary

• Contains six independent inverters with Schmitt-trigger inputs for noise rejection
• Qualified for automotive applications using Enhanced-Performance Implanted CMOS process
• Provides robust electrostatic discharge protection and high latch-up immunity

Applications

• Synchronize inverted clock inputs
• Debounce a switch
• Invert a digital signal

Procurement Notes

Verify the specific ordering suffix matches the required package type and reel quantity. Confirm that the component meets AEC-Q100 standards for your specific automotive environment. Ensure all unused inputs are terminated to VCC or GND during implementation to maintain proper device operation and prevent undefined states.

Selection Notes

Select this component when designing circuits requiring multiple inverted signals with hysteresis in automotive environments. It is suitable for interfacing with noisy digital lines where clean transitions are critical. Consider the WQFN package dimensions if space constraints on the PCB are a primary design factor.

Part Context

This part belongs to the SN74AHC14Q-Q1 family of logic integrated circuits. It is specifically designed for automotive electronics, offering enhanced reliability compared to standard commercial logic devices. The device implements Boolean inversion functions across six channels within a single compact package.

Replacement Considerations

SN74AHC14QDRQ1

FAQ

How does the Schmitt-trigger input benefit the SN74AHC14QWBQARQ1?

The Schmitt-trigger inputs provide different threshold levels for positive-going and negative-going signals, which helps eliminate noise issues and ensures clean signal transitions even with slowly changing input waveforms.

What is the recommended handling precaution for this device?

Texas Instruments recommends handling the integrated circuit with appropriate electrostatic discharge precautions to prevent damage, as ESD can cause subtle performance degradation or complete failure.