| LM239A | Fairchild Semiconductor | Quad Comparator |
| LM239AM | Fairchild Semiconductor | Quad Comparator |
| LM239AMX | Fairchild Semiconductor | Quad Comparator |
| LM239AN | Fairchild Semiconductor | Quad Comparator |
| LM2901 | Fairchild Semiconductor | Quad Comparator |
| LM2901M | Fairchild Semiconductor | Quad Comparator |
| LM2901MX | Fairchild Semiconductor | Quad Comparator |
| LM2901N | Fairchild Semiconductor | Quad Comparator |
| LM3302 | Fairchild Semiconductor | Quad Comparator |
| LM3302N | Fairchild Semiconductor | Quad Comparator |
| LM339 | Fairchild Semiconductor | Quad Comparator |
| LM339M | Fairchild Semiconductor | Quad Comparator |
| LM339MX | Fairchild Semiconductor | Quad Comparator |
| LM339N | Fairchild Semiconductor | Quad Comparator |
| LM339A | Fairchild Semiconductor | Quad Comparator |
| LM339AM | Fairchild Semiconductor | Quad Comparator |
| LM339AMX | Fairchild Semiconductor | Quad Comparator |
| LM339AN | Fairchild Semiconductor | Quad Comparator |
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