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| Part Number | SN74ACT7811-20FN | SN74ACT7811-20PN | SN74ACT7881-20FN | SN74ACT7811-25FN | SN74ACT7801-20FN |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Active |
| Memory Size | 18K (1K x 18) | 18K (1K x 18) | 18K (1K x 18) | 18K (1K x 18) | - |
| Function | Synchronous | Synchronous | Synchronous | Synchronous | - |
| Data Rate | 28.5MHz | 28.5MHz | 50MHz | 16.7MHz | - |
| Access Time | 20ns | 20ns | 13ns | 25ns | - |
| 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 | - |
| Current - Supply (Max) | 1mA | 1mA | 400µA | 1mA | - |
| Bus Directional | Uni-Directional | Uni-Directional | Uni-Directional | Uni-Directional | - |
| Expansion Type | Depth, Width | Depth, Width | Depth, Width | Depth, Width | - |
| Programmable Flags Support | Yes | Yes | Yes | Yes | - |
| Retransmit Capability | No | No | No | No | - |
| FWFT Support | No | No | No | No | - |
| Operating Temperature | 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 | - |
| Package / Case | 68-LCC (J-Lead) | 80-LQFP | 68-LCC (J-Lead) | 68-LCC (J-Lead) | - |
| Supplier Device Package | 68-PLCC (24.23x24.23) | 80-LQFP (12x12) | 68-PLCC (24.23x24.23) | 68-PLCC (24.23x24.23) | - |
