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| Part Number | IS61QDB24M18A-250B4LI | IS61QDB21M18A-250B4LI |
|---|---|---|
| Manufacturer | ISSI, Integrated Silicon Solution Inc | ISSI, Integrated Silicon Solution Inc |
| Product Status | Active | Active |
| Memory Type | Volatile | Volatile |
| Memory Format | SRAM | SRAM |
| Technology | SRAM - Synchronous, QUAD | SRAM - Synchronous, QUAD |
| Memory Size | 72Mb (4M x 18) | 18Mb (1M x 18) |
| Memory Interface | Parallel | Parallel |
| Clock Frequency | 250 MHz | 250 MHz |
| Write Cycle Time - Word, Page | - | - |
| Access Time | 1.8 ns | - |
| Voltage - Supply | 1.71V ~ 1.89V | 1.71V ~ 1.89V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 165-LBGA | 165-LBGA |
| Supplier Device Package | 165-LFBGA (13x15) | 165-LFBGA (13x15) |
