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| Part Number | 70V657S12DR | 70V657S12DRI | 70V657S15DR | 70V658S12DR | 70V659S12DR | 70V657S10DR |
|---|---|---|---|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Type | Volatile | Volatile | Volatile | Volatile | Volatile | Volatile |
| Memory Format | SRAM | SRAM | SRAM | SRAM | SRAM | SRAM |
| Technology | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous |
| Memory Size | 1.125Mb (32K x 36) | 1.125Mb (32K x 36) | 1.125Mb (32K x 36) | 2Mb (64K x 36) | 4.5Mb (128K x 36) | 1.125Mb (32K x 36) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - | - | - |
| Write Cycle Time - Word, Page | 12ns | 12ns | 15ns | 12ns | 12ns | 10ns |
| Access Time | 12 ns | 12 ns | 15 ns | 12 ns | 12 ns | 10 ns |
| Voltage - Supply | 3.15V ~ 3.45V | 3.15V ~ 3.45V | 3.15V ~ 3.45V | 3.15V ~ 3.45V | 3.15V ~ 3.45V | 3.15V ~ 3.45V |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 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 | Surface Mount | Surface Mount |
| Package / Case | 208-BFQFP | 208-BFQFP | 208-BFQFP | 208-BFQFP | 208-BFQFP | 208-BFQFP |
| Supplier Device Package | 208-PQFP (28x28) | 208-PQFP (28x28) | 208-PQFP (28x28) | 208-PQFP (28x28) | 208-PQFP (28x28) | 208-PQFP (28x28) |
