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| Part Number | SN74ACT7801-20FN | SN74ACT7811-20FN | SN74ACT7881-20FN | SN74ACT7807-20FN | SN74ACT7808-20FN |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Size | - | 18K (1K x 18) | 18K (1K x 18) | 18K (2K x 9) | 18K (2K x 9) |
| Function | - | Synchronous | Synchronous | Synchronous | Asynchronous |
| Data Rate | - | 28.5MHz | 50MHz | 50MHz | 50MHz |
| Access Time | - | 20ns | 13ns | 13ns | 15ns |
| 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 | 400µA | 400µA | 400µA |
| 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) | 68-LCC (J-Lead) | 44-LCC (J-Lead) | 44-LCC (J-Lead) |
| Supplier Device Package | - | 68-PLCC (24.23x24.23) | 68-PLCC (24.23x24.23) | 44-PLCC (16.58x16.58) | 44-PLCC (16.58x16.58) |
