| Part Numbers | Manufacturer Name | Datasheet | Memory Size | Data Rate | Access Time | Voltage - Supply | Current - Supply (Max) | Bus Directional | Expansion Type | Programmable Flags Support | Retransmit Capability | FWFT Support | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CY7C421-20JXI | CYPRESS SEMICONDUCTOR CORP | 4.5K (512 x 9) | 50MHz | 20ns | 4.5 V ~ 5.5 V | 90mA | Uni-Directional | Depth, Width | No | Yes | No | -40?C ~ 85?C | Surface Mount | 32-LCC (J-Lead) |
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