Original Part
62.5 MHz XO (Standard) LVCMOS, LVTTL Oscillator 2.8V Enable/Disable 4-SMD, No Lead
Alternative Part
62.5 MHz XO (Standard) LVCMOS, LVTTL Oscillator 2.8V Enable/Disable 4-SMD, No Lead
62.5 MHz XO (Standard) LVCMOS, LVTTL Oscillator 2.5V Enable/Disable 4-SMD, No Lead
1. SIT8208AI-G1-28E-62.500000Y Substitution Conclusion
The SIT8208AI-G1-28E-62.500000Y can be considered a direct drop-in replacement for the original SIT8208AI-G2-28E-62.500000T, as both share identical key parameters: 62.5 MHz frequency, 2.8 V supply voltage, LVCMOS/LVTTL output, Enable/Disable functionality, and package dimensions (4-SMD, No Lead). The only difference lies in the improved frequency stability, which has been tightened from ±25 ppm in the original to ±20 ppm in the substitute. This enhancement provides higher clock accuracy, helping to reduce system timing errors. The substitute is therefore suitable for applications with stricter frequency stability requirements, such as high-speed communication or precision measurement equipment, without introducing compatibility issues, since all other electrical and physical characteristics remain unchanged.
2. SIT8208AI-G2-25E-62.500000T Substitution Conclusion
Substituting the SIT8208AI-G2-25E-62.500000T for the original SIT8208AI-G2-28E-62.500000T requires careful evaluation. The key difference is the supply voltage, which is reduced from 2.8 V to 2.5 V, while frequency stability (±25 ppm), output type (LVCMOS/LVTTL), functionality, and package remain the same. The lower supply voltage may result in reduced output voltage levels, potentially causing logic-level mismatch issues with downstream circuitry. For example, using a 2.5 V oscillator in a 2.8 V system could lead to insufficient signal amplitude, affecting reliable data transmission. If the target system’s power supply can be adjusted or the interface supports 2.5 V logic levels, substitution is feasible. Otherwise, additional level-shifting circuitry would be required, increasing design complexity.
Analysis ID: E41C-81CE000
Based on part parameters and for reference only. Not to be used for procurement or production.
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