1. Operating Temperature Range: The NLX2G04 supports -55°C to 125°C (military-grade), whereas the 74LVC2G04 supports -40°C to 125°C (industrial-grade). The former is suitable for high-reliability and harsh-environment fields such as aerospace and automotive, while the latter covers mainstream industrial and consumer applications. If the actual operating environment is not below -40°C, this difference has no impact. 2. Static Power Consumption: The maximum static current of the NLX2G04 (1 µA) is significantly lower than that of the 74LVC2G04 (4 µA). This is a critical parameter affecting system battery life for battery-powered devices, particularly long-term standby IoT nodes. Selecting the lower-power device can extend battery life. 3. Input Level Specifications: The 74LVC2G04 clearly defines voltage thresholds for high/low input levels (e.g., 2V/0.8V @5V), while the NLX2G04 does not list these parameters in the provided documentation. When using the former, designers can estimate noise margins more accurately, providing a stronger basis for system reliability design. For the NLX2G04, its detailed datasheet must be consulted to confirm the actual thresholds. 4. Package Details: Although both are in a 1x1mm miniature package, the NLX2G04 uses a ULLGA (Ultra-thin Leadless Land Grid Array), while the 74LVC2G04 uses an XSON (Extra-thin Small Outline No-lead). This results in potential differences in pad layout and PCB thermal design, directly impacting the selection of the PCB footprint library and the reflow soldering process window. The pads are not directly compatible. 5. Manufacturer & Series: They belong to onsemi's MiniGate™ and Nexperia's 74LVC series, respectively. This introduces secondary differences, such as internal design, testing standards, supply chain stability, and potential price variations, but the devices are functionally equivalent in terms of electrical operation.