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Part Number | IS61DDB42M18C-250M3 | IS61DDB42M18C-250M3L | IS61DDB22M18C-250M3 | IS61DDB42M18-250M3 |
---|---|---|---|---|
Manufacturer | ISSI, Integrated Silicon Solution Inc | ISSI, Integrated Silicon Solution Inc | ISSI, Integrated Silicon Solution Inc | ISSI, Integrated Silicon Solution Inc |
Product Status | Obsolete | Active | Obsolete | Discontinued at Digi-Key |
Memory Type | Volatile | Volatile | Volatile | Volatile |
Memory Format | SRAM | SRAM | SRAM | SRAM |
Technology | SRAM - Synchronous, DDR II | SRAM - Synchronous, DDR II | SRAM - Synchronous, DDR II | SRAM - Synchronous, DDR II |
Memory Size | 36Mb (2M x 18) | 36Mb (2M x 18) | 36Mb (2M x 18) | 36Mb (2M x 18) |
Memory Interface | Parallel | Parallel | Parallel | Parallel |
Clock Frequency | 250 MHz | 250 MHz | 250 MHz | 250 MHz |
Write Cycle Time - Word, Page | - | - | - | - |
Access Time | 8.4 ns | 8.4 ns | 8.4 ns | 5.85 ns |
Voltage - Supply | 1.71V ~ 1.89V | 1.71V ~ 1.89V | 1.71V ~ 1.89V | 1.71V ~ 1.89V |
Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
Package / Case | 165-LBGA | 165-LBGA | 165-LBGA | 165-LBGA |
Supplier Device Package | 165-LFBGA (15x17) | 165-LFBGA (15x17) | 165-LFBGA (15x17) | 165-LFBGA (15x17) |