| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CY7C421-20VXCT | CYPRESS SEMICONDUCTOR CORP | 4.5K (512 x 9) | 50MHz | 20ns | 4.5 V ~ 5.5 V | 55mA | Uni-Directional | Depth, Width | No | Yes | No | 0?C ~ 70?C | Surface Mount | 28-BSOJ | |
| CY7C421-20JXCT | CYPRESS SEMICONDUCTOR CORP | 4.5K (512 x 9) | 50MHz | 20ns | 4.5 V ~ 5.5 V | 55mA | Uni-Directional | Depth, Width | No | Yes | No | 0?C ~ 70?C | Surface Mount | 32-LCC (J-Lead) | |
| CY7C421-15AXCT | CYPRESS SEMICONDUCTOR CORP | 4.5K (512 x 9) | 50MHz | 15ns | 4.5 V ~ 5.5 V | 65mA | Uni-Directional | Depth, Width | No | Yes | No | 0?C ~ 70?C | Surface Mount | 32-TQFP | |
| 74F413PC | FAIRCHILD SEMICONDUCTOR CORP | 256 (64 x 4) | 10MHz | - | 4.5 V ~ 5.5 V | 160mA | Uni-Directional | Depth, Width | No | No | No | 0?C ~ 70?C | Through Hole | 16-DIP (0.300", 7.62mm) | |
| 74ACT2708PC | FAIRCHILD SEMICONDUCTOR CORP | 576 (64 x 9) | 85MHz | - | 4.5 V ~ 5.5 V | 150mA | Uni-Directional | Width | No | No | No | -40?C ~ 85?C | Through Hole | 28-DIP (0.600", 15.24mm) | |
| 74F433SPC | FAIRCHILD SEMICONDUCTOR CORP | 256 (64 x 4) | - | - | 4.5 V ~ 5.5 V | - | Uni-Directional | Depth, Width | No | No | No | 0?C ~ 70?C | Through Hole | 24-DIP (0.300", 7.62mm) | |
| IDT72421L15PF8 | INTEGRATED DEVICE TECHNOLOGY INC | 576 (64 x 9) | 66.7MHz | 10ns | 4.5 V ~ 5.5 V | 35mA | Uni-Directional | Depth, Width | Yes | No | No | 0?C ~ 70?C | Surface Mount | 32-LQFP | |
| IDT72421L25PFI8 | INTEGRATED DEVICE TECHNOLOGY INC | 576 (64 x 9) | 40MHz | 15ns | 4.5 V ~ 5.5 V | 35mA | Uni-Directional | Depth, Width | Yes | No | No | -40?C ~ 85?C | Surface Mount | 32-LQFP | |
| IDT72401L15SO8 | INTEGRATED DEVICE TECHNOLOGY INC | 256 (64 x 4) | 15MHz | 40ns | 4.5 V ~ 5.5 V | 35mA | Uni-Directional | Depth, Width | No | No | No | 0?C ~ 70?C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | |
| IDT72403L15SO8 | INTEGRATED DEVICE TECHNOLOGY INC | 256 (64 x 4) | 15MHz | 40ns | 4.5 V ~ 5.5 V | 35mA | Uni-Directional | Depth, Width | No | No | No | 0?C ~ 70?C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) |
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