| LM2903 | Fairchild Semiconductor | Dual Comparator |
| LM2903M | Fairchild Semiconductor | Dual Comparator |
| LM2903MX | Fairchild Semiconductor | Dual Comparator |
| LM2903N | Fairchild Semiconductor | Dual Comparator |
| LM2903I | Fairchild Semiconductor | Dual Comparator |
| LM2903IMX | Fairchild Semiconductor | Dual Comparator |
| LM393 | Fairchild Semiconductor | Dual Comparator |
| LM393M | Fairchild Semiconductor | Dual Comparator |
| LM393MX | Fairchild Semiconductor | Dual Comparator |
| LM393N | Fairchild Semiconductor | Dual Comparator |
| LM393A | Fairchild Semiconductor | Dual Comparator |
| LM393AM | Fairchild Semiconductor | Dual Comparator |
| LM393AMX | Fairchild Semiconductor | Dual Comparator |
| LM393AN | Fairchild Semiconductor | Dual Comparator |
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