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| Part Number | CY7C4255V-15ASC | CY7C4275V-15ASC | CY7C4265V-15ASC | CY7C4255V-15ASI | CY7C4285V-15ASC | CY7C4255V-25ASC | CY7C4255V-15ASXC | CY7C4235V-15ASC | CY7C4255V-10ASC |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Rochester Electronics, LLC | Flip Electronics | Infineon Technologies | Cypress Semiconductor Corp |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Active | Obsolete | Obsolete | Obsolete |
| Memory Size | 144K (8K x 18) | 576K (32K x 18) | 288K (16K x 18) | 144K (8K x 18) | 1.125M (64K x 18) | 8K x 18 | 144K (8K x 18) | 36K (2K x 18) | 144K (8K x 18) |
| Function | Synchronous | Synchronous | Synchronous | Synchronous | Synchronous | Synchronous | Synchronous | Synchronous | Synchronous |
| Data Rate | 66.7MHz | 66.7MHz | 66.7MHz | 66.7MHz | 66.7MHz | 40MHz | 66.7MHz | 66.7MHz | 100MHz |
| Access Time | 10ns | 10ns | 10ns | 10ns | 10ns | 15ns | 10ns | 11ns | 8ns |
| Voltage - Supply | 3 V ~ 3.6 V | 3 V ~ 3.6 V | 3 V ~ 3.6 V | 3 V ~ 3.6 V | 3 V ~ 3.6 V | 3 V ~ 3.6 V | 3 V ~ 3.6 V | 3 V ~ 3.6 V | 3 V ~ 3.6 V |
| Current - Supply (Max) | 30mA | 30mA | 30mA | 35mA | 30mA | 30mA | 30mA | 30mA | 30mA |
| Bus Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional |
| Expansion Type | Depth, Width | Depth, Width | Depth, Width | Depth, Width | Depth, Width | Depth, Width | Depth, Width | Depth, Width | Depth, Width |
| Programmable Flags Support | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Retransmit Capability | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| FWFT Support | No | No | No | No | No | No | No | No | No |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 85°C | 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 | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP | 64-LQFP |
| Supplier Device Package | 64-TQFP (10x10) | 64-TQFP (10x10) | 64-TQFP (10x10) | 64-TQFP (10x10) | 64-TQFP (10x10) | 64-TQFP (10x10) | 64-TQFP (10x10) | 64-TQFP (10x10) | 64-TQFP (14x14) |
