Original Part
50 MHz XO (Standard) CMOS Oscillator 1.8V ~ 3.3V Enable/Disable 6-SMD, No Lead
Alternative Part
50 MHz XO (Standard) CMOS Oscillator 1.8V ~ 3.3V Enable/Disable 6-SMD, No Lead
50 MHz XO (Standard) CMOS Oscillator 1.8V ~ 3.3V Enable/Disable 6-SMD, No Lead
1. Substitution Conclusion for 545CAA50M0000BCG
Substitution is feasible, contingent upon a power system evaluation. The 545CAA50M0000BCG is fully compatible with the original part in its core specifications: frequency, voltage, package, and interface. The primary deviations are a significant increase in both operating current (rising from a typical 108mA to 127mA) and disable current (increasing from 100mA to 112mA). This results in higher power dissipation, placing greater demand on the current sourcing capability and noise/ripple performance of the power distribution network. Direct replacement is permissible if the original design has sufficient power headroom and the increased total system power consumption is acceptable. Otherwise, a reassessment of the current-handling capacity of the power delivery path is necessary to ensure system stability.
2. Substitution Conclusion for 545CAA50M0000BCGR
Substitution is feasible, with the same considerations as the previous part, plus packaging verification. The 545CAA50M0000BCGR is electrically and mechanically identical to the 545CAA50M0000BCG, including its higher current consumption. The suffix "R" typically denotes only a difference in packaging format (Reel). Therefore, the substitution feasibility conclusion is identical: electrically direct replacement is possible, but power load capability must be rigorously reviewed. An additional critical step is to confirm with Procurement and Manufacturing that the reel packaging specifications (e.g., reel dimensions, orientation) are compatible with the feeders on the existing pick-and-place equipment.
Analysis ID: 120E-0686000
Based on part parameters and for reference only. Not to be used for procurement or production.
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