| Part Number | STK12C68-PF25 | STK12C68-SF25 | 
|---|---|---|
| Manufacturer | Infineon Technologies | Flip Electronics | 
| 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) | 64Kb (8K x 8) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | - | - | 
| Write Cycle Time - Word, Page | 25ns | 25ns | 
| Access Time | 25 ns | 25 ns | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Through Hole | Surface Mount | 
| Package / Case | 28-DIP (0.300", 7.62mm) | 28-SOIC (0.342", 8.69mm Width) | 
| Supplier Device Package | 28-PDIP | 28-SOIC |