74FCT139T Fast CMOS 1-of-4 Decoder

The INTEGRATED DEVICE TECHNOLOGY (IDT) IDT54/74FCT139T is a dual 1-of-4 decoder built using an advanced dual metal CMOS technology. These devices have two independent decoders, each of which accept two binary weighted inputs (A0-A1) and provide four mutually exclusive active low outputs (O0-O3). Each decoder has an active low enable (E). When E is high, all outputs are forced high.

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74FCT139ATP	74FCT139ATS0	74FCT139ATS1	74FCT139ATSO
74FCT139CTQ	74FCT139CTSO	74FCT139DTQ	74FCT139PDT
74FCT139T	74FCT139TP	74FCT139TQM	74FCT139TS1
74FCT139TSO