1. AEC-Q101 Qualification (RHZGTL only) - This variant meets automotive-grade reliability standards, having passed more stringent stress tests (e.g., temperature cycling, moisture sensitivity, early failure rate). It is suitable for harsh environments involving high temperature and vibration, offering superior lifetime performance and lot-to-lot consistency compared to standard industrial-grade devices. - If the original design targets automotive electronics or high-reliability industrial applications, the RHZGTL can directly enhance system reliability. For general consumer electronics, its use may constitute overdesign, though no electrical compatibility risks are introduced. 2. Price Difference (RHZGTL slightly lower) - The automotive-grade version currently carries a marginally lower cost, which may relate to procurement lot size or supply chain strategy. However, long-term pricing could fluctuate with shifts in automotive chip capacity. - Price stability should be verified during substitution, though immediate replacement may yield a modest cost reduction. Additional Notes: Both devices share identical electrical parameters, package (TSMT3/SC-96), and fundamental characteristics. The RHZGTL can be regarded as an automotive-qualified upgrade of the RTL. Substitution will not affect circuit performance and only enhances reliability credentials. It is recommended to verify supplier inventory and long-term availability when implementing the replacement.