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SN74LVC139APWRE4 Datasheet(PDF) 2 Page - Texas Instruments |
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SN74LVC139APWRE4 Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 30 page  www.ti.com GQN OR ZQN PACKAGE (TOP VIEW) 1 2 3 4 A B C D E Select Inputs Select Inputs 2B 2A 2G 1B 1A 1G Data Outputs 2Y3 2Y2 2Y1 2Y0 1Y3 1Y2 1Y1 1Y0 1 2 3 15 14 13 4 5 6 7 12 11 10 9 Pin numbers shown are for the D, DB, DGV, NS, PW, and RGY packages. SN74LVC139A DUAL 2-LINE TO 4-LINE DECODER/DEMULTIPLEXER SCAS341O – MARCH 1994 – REVISED FEBRUARY 2005 TERMINAL ASSIGNMENTS 1 2 3 4 A 1A 1G VCC 2G B 1B NC(1) NC(1) 2A C 1Y1 1Y0 2Y0 2B D 1Y2 NC(1) NC(1) 2Y1 E GND 1Y3 2Y3 2Y2 (1) NC - No internal connection FUNCTION TABLE (EACH DECODER/DEMULTIPLEXER) INPUTS OUTPUTS SELECT G B A Y3 Y2 Y1 Y0 L L L H H H L L L H H H L H L H L H L H H L H H L H H H H X X H H H H LOGIC DIAGRAM (POSITIVE LOGIC) 2 |
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