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Partname: | 74F539 |
Description: | Dual 1-of-4 Decoder with 3-STATE Outputs |
Manufacturer: | Fairchild Semiconductor |
Datasheet: | PDF (51.5K). Click here to download *) |
The 74F539 contains two independent decoders. Each accepts two Address (A0, A1) input signals and decodes them to select one of four mutually exclusive outputs. A polarity control input (P) determines whether the outputs are active HIGH (P = L) or active LOW (P = H). An active LOW input Enable (E) is available for data demultiplexing; data is routed to the selected output in non-inverted form in the active LOW mode or in inverted form in the active HIGH mode. A HIGH signal on the active LOW Output Enable (OE) input forces the 3-STATE outputs to the high impedance state. |
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Click here to download 74F539 Datasheet*) |
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