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| Part Number | IS61QDPB42M18A-400M3I | IS61QDPB42M18A-400M3L | 
|---|---|---|
| Manufacturer | ISSI, Integrated Silicon Solution Inc | ISSI, Integrated Silicon Solution Inc | 
| Product Status | Obsolete | Active | 
| Memory Type | Volatile | Volatile | 
| Memory Format | SRAM | SRAM | 
| Technology | SRAM - Synchronous, QUADP | SRAM - Synchronous, QUADP | 
| Memory Size | 36Mb (2M x 18) | 36Mb (2M x 18) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | 400 MHz | 400 MHz | 
| Write Cycle Time - Word, Page | - | - | 
| Access Time | 8.4 ns | 8.4 ns | 
| Voltage - Supply | 1.71V ~ 1.89V | 1.71V ~ 1.89V | 
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 165-LBGA | 165-LBGA | 
| Supplier Device Package | 165-LFBGA (15x17) | 165-LFBGA (15x17) |