| Part Number | IS43DR16640B-3DBL | IS43DR16640A-3DBL | 
|---|---|---|
| Manufacturer | ISSI, Integrated Silicon Solution Inc | ISSI, Integrated Silicon Solution Inc | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Not For New Designs | Obsolete | 
| Memory Type | Volatile | Volatile | 
| Memory Format | DRAM | DRAM | 
| Technology | SDRAM - DDR2 | SDRAM - DDR2 | 
| Memory Size | 1Gb (64M x 16) | 1Gb (64M x 16) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | 333 MHz | 333 MHz | 
| Write Cycle Time - Word, Page | 15ns | 15ns | 
| Access Time | 450 ps | 450 ps | 
| Voltage - Supply | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 84-TFBGA | 84-TFBGA | 
| Supplier Device Package | 84-TWBGA (8x12.5) | 84-TWBGA (8x13.65) |