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| Part Number | CY14B256Q1A-SXIT | CY14E256Q1A-SXIT | CY14B256Q2A-SXIT | CY14B256Q1A-SXI |
|---|---|---|---|---|
| Manufacturer | Cypress Semiconductor Corp | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | NVSRAM | NVSRAM | NVSRAM | NVSRAM |
| Technology | 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) |
| Memory Interface | SPI | SPI | SPI | SPI |
| Clock Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Write Cycle Time - Word, Page | - | - | - | - |
| Access Time | - | - | - | - |
| Voltage - Supply | 2.7V ~ 3.6V | 4.5V ~ 5.5V | 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) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
