Original Part
SRAM - Asynchronous Memory IC 4Mbit Parallel 10 ns 48-CABGA (9x9)
Alternative Part
SRAM - Asynchronous Memory IC 4Mbit Parallel 10 ns 48-TFBGA (6x8)
SRAM - Asynchronous Memory IC 4Mbit Parallel 10 ns 48-TFBGA (6x8)
1. IS61WV25616BLL-10BLI Substitution Conclusion
This device can serve as a direct functional replacement for the original part; however, differences in voltage compatibility and package dimensions require design compatibility verification. Key variances include: First, the operating voltage range is wider (2.4V–3.6V) compared to the original part’s 3V–3.6V range. While this offers greater flexibility in low-voltage systems, the original circuit’s power supply must be verified to remain stable across the lower voltage range. Second, the package size differs: the substitute uses a 48-TFBGA measuring 6×8 mm, whereas the original part is a 48-CABGA measuring 9×9 mm. This may result in footprint incompatibility. If the PCB was not designed with this package in mind, layout or footprint adjustments may be necessary.
2. IS61WV25616BLL-10BLI-TR Substitution Conclusion
The substitution feasibility is identical to that of the IS61WV25616BLL-10BLI; the only distinction lies in the packaging format, which does not affect electrical performance. The suffix “-TR” typically indicates tape-and-reel packaging, suitable for automated surface-mount assembly, while the original part does not specify a packaging type. All technical parameters—including the voltage range and package size differences—remain the same. Therefore, the same attention must be paid to voltage adaptation and physical package compatibility during substitution. The packaging difference only impacts manufacturing and inventory handling and does not require any circuit design changes.
Analysis ID: F075-D483000
Based on part parameters and for reference only. Not to be used for procurement or production.
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