Original Part
33 MHz XO (Standard) LVCMOS, LVTTL Oscillator 1.8V Enable/Disable 4-SMD, No Lead
Alternative Part
33 MHz XO (Standard) LVCMOS, LVTTL Oscillator 1.8V Enable/Disable 4-SMD, No Lead
33 MHz XO (Standard) LVCMOS, LVTTL Oscillator 1.8V Enable/Disable 4-SMD, No Lead
1. SIT8208AI-GF-18E-33.000000T Substitution Conclusion
This part number serves as a full drop-in replacement for the original. Both devices are identical in core functionality and physical characteristics: frequency, voltage, output logic, package footprint, and enable function are all the same. The primary technical distinction lies in frequency stability, where the substitute offers improved stability of ±10ppm compared to the original's ±20ppm. This results in higher frequency accuracy over the full operating temperature range and provides greater timing margin, constituting an upward-compatible performance upgrade. It is a direct replacement both electrically and mechanically, with superior performance.
2. SIT8208AI-GF-18E-33.000000X Substitution Conclusion
This part number is also a complete drop-in replacement for the original. The comparison with the original part is identical to the case of the 'T' suffix part described above; the key difference is likewise the enhanced frequency stability from ±20ppm to ±10ppm, delivering higher timing accuracy and stability. Furthermore, both part numbers share the 'X' suffix, which within SiTime's part numbering convention typically indicates the same temperature range or other factory calibration/test conditions. This makes the compatibility even more definitive. This part is a direct substitute for the original at a higher performance grade.
Analysis ID: FB81-7844000
Based on part parameters and for reference only. Not to be used for procurement or production.
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