| Part Number | SN74ACT7811-20PN | SN74ACT7881-20PN |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Logic - FIFOs Memory | Logic - FIFOs Memory |
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| Product Status | Obsolete | Obsolete |
| Memory Size | 18K (1K x 18) | 18K (1K x 18) |
| Function | Synchronous | Synchronous |
| Data Rate | 28.5MHz | 50MHz |
| Access Time | 20ns | 13ns |
| Voltage - Supply | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Current - Supply (Max) | 1mA | 400µA |
| Bus Directional | Uni-Directional | Uni-Directional |
| Expansion Type | Depth, Width | Depth, Width |
| Programmable Flags Support | Yes | Yes |
| Retransmit Capability | No | No |
| FWFT Support | No | No |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 80-LQFP | 80-LQFP |
| Supplier Device Package | 80-LQFP (12x12) | 80-LQFP (12x12) |