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| Part Number | DS1245AB-85 | DS1249AB-85 | DS1245AB-85+ | DS1225AB-85 |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Obsolete | Obsolete | Active | 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 | 1Mb (128K x 8) | 2Mb (256K x 8) | 1Mb (128K x 8) | 64Kb (8K x 8) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - |
| Write Cycle Time - Word, Page | 85ns | 85ns | 85ns | 85ns |
| Access Time | 85 ns | 85 ns | 85 ns | 85 ns |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | 32-DIP Module (0.600", 15.24mm) | 32-DIP Module (0.600", 15.24mm) | 32-DIP Module (0.600", 15.24mm) | 28-DIP Module (0.600", 15.24mm) |
| Supplier Device Package | 32-EDIP | 32-EDIP | 32-EDIP | 28-EDIP |
