1. Substitution Conclusion for SIT8208AI-G1-33E-62.500000T The SIT8208AI-G1-33E-62.500000T can directly replace the original SIT8208AI-G2-33E-62.500000T, as both share identical core specifications: frequency (62.5 MHz), output type (LVCMOS/LVTTL), supply voltage (3.3 V), package (4-SMD), and maximum operating current (33 mA). This ensures full electrical and mechanical compatibility. The only difference lies in frequency stability: the G1 variant offers ±20 ppm compared to the original ±25 ppm. This tighter tolerance provides higher clock accuracy, which can reduce frequency deviation in timing‑critical applications such as high‑speed communication or data‑acquisition systems, thereby improving overall system performance. The improved stability does not introduce compatibility issues, unless the original design explicitly relied on the looser ±25 ppm tolerance—even in that case, substitution remains feasible, though it may represent over‑specification. Thus, the substitution is technically viable. However, it is recommended to verify additional parameters not listed here—such as operating temperature range—prior to implementation to ensure a complete match.