74AHCT125D-Q100,11

Buffers, Drivers, Receivers, Transceivers Overview

The Nexperia 74AHCT125D-Q100,11 is a quad buffer and line driver featuring three-state outputs controlled by active LOW enable inputs. It operates within a supply voltage range of 4.5 V to 5.5 V and accepts TTL logic levels at its inputs. The device provides overvoltage tolerant inputs up to 5.5 V, enabling use in mixed-voltage environments. It is qualified to AEC-Q100 Grade 1 standards for automotive applications and functions reliably across an ambient temperature range of -40 °C to +125 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Automotive qualification compliant with AEC-Q100 Grade 1 standards
• Overvoltage tolerant inputs allowing operation in mixed voltage systems
• Schmitt-trigger action on all inputs for improved noise immunity
• High ESD protection performance exceeding specified JEDEC class limits

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive electronic systems requiring robust signal buffering
• Mixed voltage level translation between different logic families
• Bus-oriented driving applications utilizing three-state control

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix '11' corresponds to the SO14 plastic small outline package (SOT108-1) configuration. Confirm that the TTL input level requirement aligns with the system design, as this variant differs from the CMOS-compatible AHC version. Ensure environmental specifications meet the required operating temperature range for the intended deployment.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when TTL-compatible input thresholds are necessary alongside high-speed buffering capabilities. The AHCT series is appropriate for interfacing with legacy TTL logic sources while providing modern CMOS output drive characteristics. Consider the DHVQFN or TSSOP packages if space constraints differ from the standard SO14 footprint requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Nexperia 74AHC_AHCT125-Q100 family of quad buffers. The AHCT designation specifically indicates compatibility with Transistor-Transistor Logic (TTL) input voltage levels, distinguishing it from the AHC variant which utilizes CMOS levels. All members of this family share identical pinouts and functional behaviors despite variations in internal transistor sizing for speed optimization.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The 74AHC125D-Q100,11 serves as a direct functional replacement if the system supports CMOS input levels instead of TTL. Other package variants such as 74AHCT125PW-Q100 offer alternative form factors with identical electrical characteristics.