Original Part
SRAM - Asynchronous Memory IC 4Mbit Parallel 12 ns 48-CABGA (9x9)
Alternative Part
SRAM - Asynchronous Memory IC 4Mbit Parallel 15 ns 48-CABGA (9x9)
SRAM - Asynchronous Memory IC 4Mbit Parallel 10 ns 48-CABGA (9x9)
1. Substitution Conclusion for 71V416L15BEGI8
The 71V416L15BEGI8 is fully identical to the original part (71V416L12BEG8) in terms of memory density, organization, voltage range, and package. The only difference is that its access time and write cycle time have increased from 12 ns to 15 ns (i.e., slower performance). This device can serve as a compatible replacement in systems with sufficient timing margin, particularly in applications not sensitive to speed. However, if the original system design relies on completing read/write operations within 12 ns, substitution may introduce timing violations or stability risks. In such cases, a thorough re-evaluation of timing margin is required.
2. Substitution Conclusion for 71V416S10BEG8
The 71V416S10BEG8 matches the original device in density, organization, voltage, and package, but offers improved access time and write cycle time—reduced from 12 ns to 10 ns (i.e., faster performance). This part can directly replace the original device and, provided electrical compatibility is maintained, will deliver greater timing margin. It should be noted, however, that higher-speed devices may exhibit slightly increased power consumption or impose stricter signal integrity requirements. Verification of power supply noise and signal routing against tighter timing specifications is recommended.
Analysis ID: 400B-5EDA000
Based on part parameters and for reference only. Not to be used for procurement or production.
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