| Part Number | IS62WV5128BLL-55BI | IS62WV5128BLL-55TI | 
|---|---|---|
| Manufacturer | ISSI, Integrated Silicon Solution Inc | ISSI, Integrated Silicon Solution Inc | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Volatile | Volatile | 
| Memory Format | SRAM | SRAM | 
| Technology | SRAM - Asynchronous | SRAM - Asynchronous | 
| Memory Size | 4Mb (512K x 8) | 4Mb (512K x 8) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | - | - | 
| Write Cycle Time - Word, Page | 55ns | 55ns | 
| Access Time | 55 ns | 55 ns | 
| Voltage - Supply | 2.5V ~ 3.6V | 2.5V ~ 3.6V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 36-TFBGA | 32-TFSOP (0.724", 18.40mm Width) | 
| Supplier Device Package | 36-TFBGA (6x8) | 32-TSOP I |