| 100311 | Fairchild Semiconductor | Low Skew 1:9 Differential Clock Driver |
| 100311QC | Fairchild Semiconductor | Low Skew 1:9 Differential Clock Driver |
| 100311QCX | Fairchild Semiconductor | Low Skew 1:9 Differential Clock Driver |
| 100311QI | Fairchild Semiconductor | Low Skew 1:9 Differential Clock Driver |
| 100311QIX | Fairchild Semiconductor | Low Skew 1:9 Differential Clock Driver |