74AHC123AD-Q100J

Overview

The Nexperia 74AHC123AD-Q100J is a dual retriggerable monostable multivibrator with reset, qualified to AEC-Q100 Grade 1 for automotive use. It operates within a supply voltage range of 2.0 V to 5.5 V and supports ambient temperatures from -40 °C to +125 °C. The device features Schmitt-trigger inputs for high noise immunity and overvoltage tolerance up to 5.5 V. Propagation delay ranges from 1.0 ns to 17.5 ns depending on load conditions. It is housed in an SO16 (SOT109-1) package.

Feature Summary

• Dual retriggerable monostable multivibrator architecture with direct reset functionality
• Automotive qualification compliant with AEC-Q100 Grade 1 standards
• Wide operating temperature range supporting -40 °C to +125 °C environments
• Overvoltage tolerant inputs enabling operation in mixed voltage systems

Applications

• Timing generation and pulse width modulation circuits
• Debouncing switches or contacts
• Frequency division and pulse stretching applications

Procurement Notes

Verify the specific suffix 'J' against the manufacturer's current ordering information to confirm packaging details such as tape and reel specifications. Ensure the component meets the required AEC-Q100 Grade 1 qualification level for your target automotive application. Cross-reference the SO16 package dimensions with your PCB footprint requirements before finalizing procurement.

Selection Notes

Select this component when a dual-channel monostable solution with automotive reliability is required. The AHC series offers faster switching speeds compared to standard HCT logic while maintaining CMOS compatibility. Verify that the external timing components (REXT and CEXT) can achieve the desired pulse width within the specified operating voltage and temperature ranges.

Part Context

This part belongs to the Nexperia 74AHC(AHCT)123A-Q100 family of dual retriggerable monostable multivibrators. The 'D' indicates the SO16 plastic small outline package, while the '-Q100' suffix denotes automotive qualification. The 'J' suffix typically refers to specific packaging configurations like tape and reel, subject to official datasheet confirmation.

Replacement Considerations

Check for other variants within the 74AHC123A-Q100 family, such as TSSOP or DHVQFN packages, if form factor changes are acceptable. Non-automotive versions lack the Q100 qualification. Verify pinout compatibility and electrical characteristics against alternative manufacturers' monostable multivibrators.