| Part Number | CY7C421-15AXC | CY7C421-15AXCT | 
|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | 
| Category | Logic - FIFOs Memory | Logic - FIFOs Memory | 
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| Product Status | Obsolete | Obsolete | 
| Memory Size | 4.5K (512 x 9) | 4.5K (512 x 9) | 
| Function | Asynchronous | Asynchronous | 
| Data Rate | 50MHz | 50MHz | 
| Access Time | 15ns | 15ns | 
| Voltage - Supply | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 
| Current - Supply (Max) | 65mA | 65mA | 
| Bus Directional | Uni-Directional | Uni-Directional | 
| Expansion Type | Depth, Width | Depth, Width | 
| Programmable Flags Support | No | No | 
| Retransmit Capability | Yes | Yes | 
| FWFT Support | No | No | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 32-TQFP | 32-TQFP | 
| Supplier Device Package | 32-TQFP (7x7) | 32-TQFP (7x7) |