| Part Number | 70V3389S4PRF | 70V3389S4PRF8 | 
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | 
| Category | Memory | Memory | 
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| Product Status | Obsolete | Obsolete | 
| Memory Type | Volatile | Volatile | 
| Memory Format | SRAM | SRAM | 
| Technology | SRAM - Dual Port, Synchronous | SRAM - Dual Port, Synchronous | 
| Memory Size | 1.125Mb (64K x 18) | 1.125Mb (64K x 18) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | - | - | 
| Write Cycle Time - Word, Page | - | - | 
| Access Time | 4.2 ns | 4.2 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 | 128-LQFP | 128-LQFP | 
| Supplier Device Package | 128-TQFP (14x20) | 128-TQFP (14x20) |