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| Part Number | CY62157DV30LL-55ZSXI | CY62158DV30LL-55ZSXI | CY62157DV30L-55ZSXI | CY62157DV30LL-45ZSXI |
|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Cypress Semiconductor Corp | Cypress Semiconductor Corp | Rochester Electronics, LLC |
| Product Status | Obsolete | Active | Obsolete | Active |
| Memory Type | Volatile | Volatile | Volatile | Volatile |
| Memory Format | SRAM | SRAM | SRAM | SRAM |
| Technology | SRAM - Asynchronous | SRAM - Asynchronous | SRAM - Asynchronous | SRAM - Asynchronous |
| Memory Size | 8Mb (512K x 16) | 8Mb (1M x 8) | 8Mb (512K x 16) | 8Mb (512K x 16) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - |
| Write Cycle Time - Word, Page | 55ns | 55ns | 55ns | 45ns |
| Access Time | 55 ns | 55 ns | 55 ns | 45 ns |
| Voltage - Supply | 2.2V ~ 3.6V | 2.2V ~ 3.6V | 2.2V ~ 3.6V | 2.2V ~ 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 | 44-TSOP (0.400", 10.16mm Width) | 44-TSOP (0.400", 10.16mm Width) | 44-TSOP (0.400", 10.16mm Width) | 44-TSOP (0.400", 10.16mm Width) |
| Supplier Device Package | 44-TSOP II | 44-TSOP II | 44-TSOP II | 44-TSOP II |
