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| Part Number | CY14B256L-SP45XI | CY14B256LA-SP45XI | CY14B256L-SZ45XI | CY14B256L-SP45XIT | CY14B256K-SP45XI | CY14B256L-SP25XI | CY14B256L-SP35XI | CY14B256L-SP45XC |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Rochester Electronics, LLC | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Active | Obsolete | Obsolete |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | NVSRAM | NVSRAM | NVSRAM | NVSRAM | NVSRAM | NVSRAM | NVSRAM | NVSRAM |
| Technology | NVSRAM (Non-Volatile SRAM) | NVSRAM (Non-Volatile SRAM) | NVSRAM (Non-Volatile SRAM) | NVSRAM (Non-Volatile SRAM) | NVSRAM (Non-Volatile SRAM) | NVSRAM (Non-Volatile SRAM) | NVSRAM (Non-Volatile SRAM) | NVSRAM (Non-Volatile SRAM) |
| Memory Size | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) | 256Kb (32K x 8) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - | - | - | - | - |
| Write Cycle Time - Word, Page | 45ns | 45ns | 45ns | 45ns | 45ns | 25ns | 35ns | 45ns |
| Access Time | 45 ns | 45 ns | 45 ns | 45 ns | 45 ns | 25 ns | 35 ns | 45 ns |
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.45V | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 48-BSSOP (0.295", 7.50mm Width) | 48-BSSOP (0.295", 7.50mm Width) | 32-SOIC (0.295", 7.50mm Width) | 48-BSSOP (0.295", 7.50mm Width) | 48-BSSOP (0.295", 7.50mm Width) | 48-BSSOP (0.295", 7.50mm Width) | 48-BSSOP (0.295", 7.50mm Width) | 48-BSSOP (0.295", 7.50mm Width) |
| Supplier Device Package | 48-SSOP | 48-SSOP | 32-SOIC | 48-SSOP | 48-SSOP | 48-SSOP | 48-SSOP | 48-SSOP |
