| Part Number | STK12C68-5K35M | STK12C68-5L35M | 
|---|---|---|
| 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 | 35ns | 35ns | 
| Access Time | 35 ns | 35 ns | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | 
| Mounting Type | Through Hole | Surface Mount | 
| Package / Case | 28-CDIP (0.300", 7.62mm) | 28-LCC | 
| Supplier Device Package | 28-CDIP | 28-LCC (13.97x8.89) |