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| Part Number | CY7C138-25JXC | CY7C138-25JXI | CY7C138-15JXC | CY7C138-25JC |
|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Cypress Semiconductor Corp | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Type | Volatile | Volatile | Volatile | Volatile |
| Memory Format | SRAM | SRAM | SRAM | SRAM |
| Technology | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous | SRAM - Dual Port, Asynchronous |
| Memory Size | 32Kb (4K x 8) | 32Kb (4K x 8) | 32Kb (4K x 8) | 32Kb (4K x 8) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - |
| Write Cycle Time - Word, Page | 25ns | 25ns | 15ns | 25ns |
| Access Time | 25 ns | 25 ns | 15 ns | 25 ns |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 68-LCC (J-Lead) | 68-LCC (J-Lead) | 68-LCC (J-Lead) | 68-LCC (J-Lead) |
| Supplier Device Package | 68-PLCC (24.23x24.23) | 68-PLCC (24.23x24.23) | 68-PLCC (24.23x24.23) | 68-PLCC (24.23x24.23) |
