Original Part
SRAM - Asynchronous Memory IC 4Mbit Parallel 55 ns 48-TFBGA (6x8)
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. IS64WV25616BLL-10BLA3 Substitution Conclusion
From a core specification and package perspective, this part is a viable drop-in replacement, as it shares identical memory capacity (4Mb), data organization (256K x 16), interface (parallel), and package (48-TFBGA) with the original component. The primary technical deviations lie in the speed grade (10ns vs. 55ns) and the supply voltage range (2.4V-3.6V vs. 2.5V-3.6V). The significantly shorter read/write cycle time of the faster part provides a timing margin and a potential system performance uplift, assuming electrical compatibility is maintained. Furthermore, the wider voltage range, particularly the lower limit extended to 2.4V, offers improved low-voltage compatibility and greater power supply design tolerance. These differences are advantageous for the substitution rather than presenting an obstacle.
2. IS61WV25616EDBLL-10BLI Substitution Conclusion
This part also presents a feasible direct replacement based on fundamental specifications (capacity, organization, interface, package) and key performance parameters (speed, voltage). Beyond the similarly faster speed (10ns) and wider voltage range (2.4V-3.6V), the core distinction is the "ED" designation in its part number, which typically indicates integrated power-saving features such as "automatic low-power" or "deep power-down" modes. This chip likely employs different power management schemes or exhibits altered behavioral logic on related control pins compared to the original part. Prior to substitution, it is imperative to consult the datasheet meticulously to verify full compatibility of the timing or state machine for special-function pins (e.g., `/OE`, `/CE`). Assessment is required to determine if any software or hardware adjustments are necessary for proper integration.
Analysis ID: 3C00-D59F000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com