74HCT1G14GW-Q100H

Overview

The Nexperia 74HCT1G14GW-Q100H is a single inverter with Schmitt-trigger input, qualified to AEC-Q100 Grade 1 for automotive use. It operates within a supply voltage range of 4.5 V to 5.5 V and supports temperatures from -40 °C to +125 °C. The device features TTL-level inputs, clamp diodes for overvoltage interfacing, and high noise immunity. Propagation delay reaches 51 ns at 4.5 V with 50 pF load. It is housed in a TSSOP-5 (SOT353) package.

Feature Summary

• Automotive qualification compliant with AEC-Q100 Grade 1 standards
• Schmitt-trigger input converts slowly changing signals into jitter-free outputs
• Input clamp diodes enable interfacing to voltages exceeding VCC using current limiting resistors
• High noise immunity with balanced propagation delays and unlimited rise/fall times

Applications

• Wave and pulse shapers
• Astable multivibrators
• Monostable multivibrators

Procurement Notes

Verify the specific suffix 'GW' corresponds to the TSSOP-5 (SOT353) package variant required for your design. Confirm that the H-suffix indicates the standard production version rather than a special test or engineering sample lot. Ensure the ordering quantity aligns with manufacturer reel specifications if bulk procurement is intended. Cross-reference the marking code 'TF' on received units to validate authenticity against the official datasheet documentation.

Selection Notes

Select this component when TTL logic levels are required in a CMOS environment. The Schmitt trigger action is essential for cleaning noisy signals or handling slow edge rates. Verify that the 4.5 V to 5.5 V supply range matches the system power rails. Consider the thermal derating characteristics if operating near the maximum temperature limit of 125 °C in confined spaces.

Part Context

This part belongs to the Nexperia 74HCT1G14-Q100 family of single inverters. It shares functional similarities with the 74HC1G14-Q100 but differs in input threshold levels, supporting TTL compatibility instead of pure CMOS. Both variants share the same automotive qualification and physical package options, allowing for flexible design choices based on interface requirements.

Replacement Considerations

The 74HC1G14GW-Q100H serves as a direct pin-compatible alternative if CMOS input thresholds are acceptable instead of TTL levels. Other single inverters from the 74xx series may require level shifting or buffer adjustments due to differing electrical characteristics.