| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | DS25MB200TSQ |  660Kb/13P | Dual 2.5 Gb/s 1:2 Mux/Buffer with Input Equalization and Output Pre-Emphasis |
 National Semiconductor ... | DS25MB200 |  316Kb/ 14P | Dual 2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equalization |
| DS25MB200 |  319Kb/ 14P | Dual 2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre- Emphasis and Receive Equalization |
 National Semiconductor ... | DS25MB200 |  660Kb/ 13P | Dual 2.5 Gb/s 1:2 Mux/Buffer with Input Equalization and Output Pre-Emphasis |
| DS25MB200 |  316Kb/ 14P | Dual 2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equalization |
| DS25MB200 |  319Kb/ 14P | Dual 2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre- Emphasis and Receive Equalization |
 National Semiconductor ... | DS25MB100 |  993Kb/ 16P | 2.5 Gb/s 1:2 Mux/Buffer with Input Equalization and Output De-Emphasis |
| DS25MB100 |  995Kb/ 16P | 2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit De-Emphasis and Receive Equalization |
 National Semiconductor ... | DS25MB100TSQ |  995Kb/ 16P | 2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit De-Emphasis and Receive Equalization |