74AHCT00D,112

Overview

The Nexperia 74AHCT00D,112 is a quad 2-input NAND gate from the 74AHCT logic family. It operates within a supply voltage range of 4.5 V to 5.5 V and features TTL-compatible input levels. The device includes overvoltage tolerant inputs up to 5.5 V and Schmitt-trigger action on all inputs for high noise immunity. It is housed in an SO14 plastic small outline package (SOT108-1) with a body width of 3.9 mm. The component supports an ambient temperature range from -40 °C to +125 °C.

Feature Summary

• Quad 2-input NAND gate configuration
• TTL-compatible input levels
• Overvoltage tolerant inputs to 5.5 V
• Schmitt-trigger action on all inputs

Applications

• Mixed voltage environments requiring level translation
• Digital logic signal processing
• General-purpose switching applications

Procurement Notes

Verify the specific ordering suffix

Selection Notes

Select this component when TTL-level compatibility is required alongside CMOS performance characteristics. The 74AHCT series bridges the gap between older TTL systems and modern CMOS technologies. Ensure the application environment stays within the specified 4.5 V to 5.5 V supply range and that the thermal conditions do not exceed the maximum junction temperature limits defined in the datasheet.

Part Context

This part belongs to the 74AHC/AHCT00 family of quad 2-input NAND gates manufactured by Nexperia. The 'AHCT' designation indicates High-speed CMOS technology with TTL-compatible inputs, distinguishing it from standard HC or AHC variants which have different input voltage thresholds. The 'D' suffix specifies the SO14 package type.

Replacement Considerations

Direct substitutes include other manufacturers' 74AHCT00 devices in SOIC-14 packages. Verify pinout compatibility and electrical specifications against the original datasheet before substitution.

FAQ

What is the input voltage tolerance of the 74AHCT00D?

The inputs are overvoltage tolerant up to 5.5 V, allowing safe operation in mixed-voltage environments even if the input signal exceeds the supply voltage.

Does the 74AHCT00D feature Schmitt triggers?

Yes, all inputs on the 74AHCT00D have Schmitt-trigger action, which provides high noise immunity and makes the circuit tolerant to slower clock rise and fall times.