| Part Number | 70V639S15BF8 | 70V631S15BF8 |
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Category | Memory | Memory |
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| Product Status | Active | Active |
| Memory Type | Volatile | Volatile |
| Memory Format | SRAM | SRAM |
| Technology | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous |
| Memory Size | 2.25Mb (128K x 18) | 4.5Mb (256K x 18) |
| Memory Interface | Parallel | Parallel |
| Clock Frequency | - | - |
| Write Cycle Time - Word, Page | 15ns | 15ns |
| Access Time | 15 ns | 15 ns |
| Voltage - Supply | 3.15V ~ 3.45V | 3.15V ~ 3.45V |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 208-LFBGA | 208-LFBGA |
| Supplier Device Package | 208-CABGA (15x15) | 208-CABGA (15x15) |