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| Part Number | CY7C4291-10JC | CY7C4291-10JXC | CY7C4261-10JC | CY7C4271-10JC | CY7C429-10JC |
|---|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Rochester Electronics, LLC | Infineon Technologies | Rochester Electronics, LLC |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Size | 1.125M (128K x 9) | 1.125M (128K x 9) | 144K (16K x 9) | 288K (32K x 9) | 18K (2K x 9) |
| Function | Synchronous | Synchronous | Synchronous | Synchronous | Asynchronous |
| Data Rate | 100MHz | 100MHz | 100MHz | 100MHz | 50MHz |
| Access Time | 8ns | 8ns | 8ns | 8ns | 10ns |
| Voltage - Supply | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Current - Supply (Max) | 40mA | 40mA | 35mA | 35mA | 85mA |
| Bus Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional |
| Expansion Type | Depth, Width | Depth, Width | Depth, Width | Depth, Width | Depth, Width |
| Programmable Flags Support | Yes | Yes | Yes | Yes | No |
| Retransmit Capability | No | No | No | No | Yes |
| FWFT Support | No | No | No | No | No |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-LCC (J-Lead) | 32-LCC (J-Lead) | 32-LCC (J-Lead) | 32-LCC (J-Lead) | 32-LCC (J-Lead) |
| Supplier Device Package | 32-PLCC (11.43x13.97) | 32-PLCC (11.43x13.97) | 32-PLCC (11.43x13.97) | 32-PLCC (11.43x13.97) | 32-PLCC (11.43x13.97) |
