F7409PC

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Quad 2-input AND gate digital logic IC configured with premium open-collector output transistors for wired-AND logic nodes. | 14-Pin DIP | Early multi-drop data buses, vintage calc ulator logic matrices, process alarm display networks. | F7409PC | NTE7409 | SK7409 | 7409, SN7409N, DM7409N, MC7409N | Industrial Safety Interlock Bus: Ties four separate machinery safety switch inputs onto a single pulled-up alert wire, causing the main line to drop low if any point fails. Show more