| Part Number | IDT7164L20YI | IDT7164L20YI8 | 
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Volatile | Volatile | 
| Memory Format | SRAM | SRAM | 
| Technology | SRAM - Asynchronous | SRAM - Asynchronous | 
| Memory Size | 64Kb (8K x 8) | 64Kb (8K x 8) | 
| Memory Interface | Parallel | Parallel | 
| Clock Frequency | - | - | 
| Write Cycle Time - Word, Page | 20ns | 20ns | 
| Access Time | 20 ns | 20 ns | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 28-BSOJ (0.300", 7.62mm Width) | 28-BSOJ (0.300", 7.62mm Width) | 
| Supplier Device Package | 28-SOJ | 28-SOJ |