| Part Number | DS1225AB-200IND | DS1220AB-200IND | 
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | NVSRAM | NVSRAM | 
| Technology | NVSRAM (Non-Volatile SRAM) | NVSRAM (Non-Volatile SRAM) | 
| Memory Size | 64Kb (8K x 8) | 16Kb (2K x 8) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | - | - | 
| Write Cycle Time - Word, Page | 200ns | 200ns | 
| Access Time | 200 ns | 200 ns | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 28-DIP Module (0.600", 15.24mm) | 24-DIP Module (0.600", 15.24mm) | 
| Supplier Device Package | 28-EDIP | 24-EDIP |