Original Part
SRAM - Asynchronous Memory IC 4Mbit Parallel 15 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. Key differences include: faster access time (10 ns vs. 15 ns), a wider operating voltage range (2.4V–3.6V vs. 3V–3.6V), and a different package (48-TFBGA 6x8mm vs. 48-CABGA 9x9mm). Substitution provides greater system timing margin and improved power supply compatibility (including lower voltage operation). However, the PCB must be redesigned to accommodate the new package footprint and pad layout, which may require adjustments to board space and routing.
2. IS61WV25616BLL-10BLI-TR Substitution Conclusion
This variant shares identical electrical characteristics and package with the IS61WV25616BLL-10BLI. The "-TR" suffix typically denotes Tape and Reel packaging. Therefore, the substitution conclusion remains the same: it is functionally compatible and offers enhanced performance, but the same PCB adaptation challenges due to the package size difference apply. The tape and reel format is better suited for automated, high-volume assembly.
Analysis ID: 0826-2CC5000
Based on part parameters and for reference only. Not to be used for procurement or production.
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