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| Part Number | CY7C11681KV18-450BZC | CY7C11681KV18-450BZXC | CY7C1168KV18-450BZC | CY7C11681KV18-400BZC | 
|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | 
| Memory Type | Volatile | Volatile | Volatile | Volatile | 
| Memory Format | SRAM | SRAM | SRAM | SRAM | 
| Technology | SRAM - Synchronous, DDR II+ | SRAM - Synchronous, DDR II+ | SRAM - Synchronous, DDR II+ | SRAM - Synchronous, DDR II+ | 
| Memory Size | 18Mb (1M x 18) | 18Mb (1M x 18) | 18Mb (1M x 18) | 18Mb (1M x 18) | 
| Memory Interface | Parallel | Parallel | Parallel | Parallel | 
| Clock Frequency | 450 MHz | 450 MHz | 450 MHz | 400 MHz | 
| Write Cycle Time - Word, Page | - | - | - | - | 
| Access Time | - | - | - | - | 
| Voltage - Supply | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 1.7V ~ 1.9V | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 165-LBGA | 165-LBGA | 165-LBGA | 165-LBGA | 
| Supplier Device Package | 165-FBGA (13x15) | 165-FBGA (13x15) | 165-FBGA (13x15) | 165-FBGA (13x15) |