Original Part
62.5 MHz XO (Standard) LVCMOS, LVTTL Oscillator 2.5V Enable/Disable 4-SMD, No Lead
Alternative Part
62.5 MHz XO (Standard) LVCMOS, LVTTL Oscillator 1.8V Enable/Disable 4-SMD, No Lead
62.5 MHz XO (Standard) LVCMOS, LVTTL Oscillator 1.8V Enable/Disable 4-SMD, No Lead
1. SIT8208AI-G2-18E-62.500000X Substitution Conclusion
This part is identical to the original model in frequency, stability, package dimensions, and interface logic. However, the core difference lies in its operating voltage: 1.8V versus the original's 2.5V. The two are not electrically compatible. Direct substitution on a board designed for 2.5V supply risks overvoltage damage to the 1.8V device. Conversely, in a system with a 1.8V supply, the original 2.5V device may fail to start up or provide insufficient output levels. Without modifying the system's power design, this model cannot serve as a direct replacement for the original.
2. SIT8208AI-G2-18E-62.500000Y Substitution Conclusion
This model shares identical key parameters with the aforementioned 'X' variant, including its 1.8V operating voltage, which fundamentally differs from the original 2.5V specification. While the suffix codes (X/Y) likely denote minor variations such as production lot or internal test grade, they do not affect the primary electrical specifications. As with the 'X' model, the voltage mismatch remains the primary barrier to direct substitution. This component cannot directly replace the original 2.5V model unless the target system's power rail is configured and regulated at 1.8V. Forced substitution will likely result in device failure or system malfunction.
Analysis ID: 9E20-6345000
Based on part parameters and for reference only. Not to be used for procurement or production.
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