74AHC14D,118

Overview

The Nexperia 74AHC14D,118 is a hex inverting Schmitt trigger manufactured by Nexperia USA Inc. It operates within a supply voltage range of 2.0 V to 5.5 V and features overvoltage tolerant inputs up to 5.5 V. The device utilizes a SOIC-14 (SOT108-1) package with a body width of 3.9 mm. It provides balanced propagation delays and high noise immunity. Static characteristics include an input leakage current maximum of 2.0 μA at -40 °C to +125 °C and a supply current maximum of 40 μA under specified conditions.

Feature Summary

• Hex inverter configuration with Schmitt-trigger inputs for signal conditioning
• Overvoltage tolerant inputs allowing operation in mixed voltage environments
• High noise immunity and balanced propagation delays
• ESD protection exceeding 2000 V per HBM and 1000 V per CDM

Applications

• Signal translation between mixed voltage logic domains
• Waveform shaping of slowly changing input signals
• Relaxation oscillator circuits

Procurement Notes

Verify the specific ordering suffix '118' corresponds to the SOIC-14 (SOT108-1) package variant. Confirm that the required operating temperature range aligns with the -40 °C to +125 °C specification. Ensure design parameters respect the absolute maximum ratings for supply voltage and input clamping currents to prevent permanent damage.

Selection Notes

Select this component when CMOS logic inversion with hysteresis is required across a wide voltage range. The AHC series offers lower power dissipation compared to legacy TTL families while maintaining compatibility. Verify that the input signal levels match the CMOS input level specifications defined for the 74AHC14 variant rather than the AHCT TTL levels.

Part Context

This part belongs to the Nexperia 74AHC family of high-speed Si-gate CMOS devices. It is pin-compatible with Low-power Schottky TTL (LSTTL) standards. The product data sheet revision 9 was released on April 28, 2025, defining the electrical characteristics and mechanical dimensions for the SO14 plastic small outline package.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.