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
From a core functionality and technical parameter perspective, this part number represents a viable direct substitute. The key differences are as follows: It offers faster access time (10ns vs. 15ns), delivering superior performance and greater system timing margin. Its operating voltage range is wider (2.4V-3.6V vs. 3.0V-3.6V), providing higher power supply tolerance. This makes it particularly suitable for battery-powered applications or scenarios with significant power rail fluctuations, thereby offering better compatibility. However, the package dimensions differ (48-TFBGA 6x8 vs. 48-CABGA 9x9), rendering them physically incompatible and necessitating a redesign of the PCB layout and routing. Provided the package compatibility issue is addressed, this part is an ideal upgrade replacement in terms of electrical performance and functionality.
2. IS61WV25616BLL-10BLI-TR Substitution Conclusion
The substitution conclusion for this part number is identical to that for the `IS61WV25616BLL-10BLI` above. The "-TR" suffix typically denotes only the Tape and Reel packaging format, which is suited for automated assembly processes. The silicon die, electrical characteristics, and package dimensions are identical to the version without the "-TR" suffix. Therefore, there is no distinction between the two when evaluating technical substitutability. The conclusion remains the same: full functional and density match, with advantages in performance (speed) and voltage adaptability, but careful attention must be paid to the PCB design changes required due to the differing package footprint.
Analysis ID: 5846-6F8C000
Based on part parameters and for reference only. Not to be used for procurement or production.
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