Original Part
SDRAM - DDR Memory IC 128Mbit Parallel 167 MHz 700 ps 66-TSOP
Alternative Part
SDRAM - DDR Memory IC 128Mbit Parallel 167 MHz 700 ps 66-TSOP
SDRAM - DDR Memory IC 128Mbit Parallel 167 MHz 700 ps 66-TSOP
1. MT46V16M8TG-6T L:D TR Substitution Conclusion
From a technical parameter perspective, this part is identical to the original component (MT46V32M4TG-6T:D TR) in terms of total density (128Mbit), timing (167MHz, 700ps access time), voltage (2.3V–2.7V), and package (66-TSSOP). The core difference lies in the memory organization, which changes from the original 32M x 4 to 16M x 8. This change in data bus width from 4-bit to 8-bit necessitates verifying that the host controller supports an 8-bit interface. Furthermore, the address line connections must be reconfigured, as the row/column address mapping is likely different. If the system design can accommodate the bus width change and the host controller is compatible, this part can serve as a direct electrical and mechanical substitute. Otherwise, PCB layout revisions and driver software updates will be required.
2. MT46V16M8TG-6T:D TR Substitution Conclusion
This part number is technically identical to the MT46V16M8TG-6T L:D TR described above. The only potential variation is the "L" suffix, which typically denotes a lead-free or specific revision, but it does not affect the fundamental electrical specifications. Consequently, the substitution conclusion is the same: the memory organization is 16M x 8, mandating a thorough validation of host controller compatibility with the 8-bit interface and correct address line mapping. Barring any specific application requirements, both parts are potential substitutes for the original component. However, direct pin-compatible replacement is not guaranteed; hardware and software adaptation verification is essential.
Analysis ID: 1D0E-E7C0000
Based on part parameters and for reference only. Not to be used for procurement or production.
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