Original Part
SRAM - Asynchronous Memory IC 4Mbit Parallel 12 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 part is a viable drop-in replacement for the original device in terms of core functionality. Key differences include: faster access time (10 ns vs. 12 ns), a wider operating voltage range (2.4V–3.6V vs. 3V–3.6V), and a different package outline (48-TFBGA vs. 48-CABGA). The faster access time improves read/write performance, while the wider voltage range enhances system power supply compatibility. However, the package variation—specifically differences in pinout and land pattern—may require PCB redesign or validation of solder joint compatibility.
2. IS61WV25616BLL-10BLI-TR Substitution Conclusion
This variant is electrically identical to the IS61WV25616BLL-10BLI. The “-TR” suffix denotes tape-and-reel packaging, which is suitable for automated SMT assembly. Therefore, the substitution conclusion remains the same as above: it is fully compatible in function and performance with the original part, and the implications of package and voltage differences are identical. The tape-and-reel packaging offers advantages for volume manufacturing, but supply chain availability and cost should be verified against project requirements.
Analysis ID: 3C3D-8672000
Based on part parameters and for reference only. Not to be used for procurement or production.
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