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U74HC373G-P20-R 数据表(PDF) 2 Page - Unisonic Technologies |
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U74HC373G-P20-R 数据表(HTML) 2 Page - Unisonic Technologies |
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2 / 5 page ![]() U74HC244 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 2 of 5 www.unisonic.com.tw QW-R502-196.D PIN CONFIGURATION 1 2 3 4 5 6 7 17 16 15 14 13 12 11 GND VCC 2Y4 1A2 2Y3 1A3 1Y2 2A3 1Y3 2A2 1Y4 2A1 8 9 10 1A4 2Y1 2Y2 20 19 18 1Y1 2A4 1A1 OE OE 1 2 FUNCTION TABLE (each gate) INPUT(nOE ) INPUT(nAn) OUTPUT(nYn) H ╳ Z L H H L L L LOGIC DIAGRAM (positive logic) 1OE 1A1 1A2 1A3 1A4 1Y1 1Y2 1Y3 1Y4 2OE 2A1 2A2 2A3 2A4 2Y1 2Y2 2Y3 2Y4 1OE 1A1 1A2 1A3 1A4 2 1 4 6 8 1Y3 1Y2 12 14 18 16 1Y1 1Y4 EN 2OE 2A1 2A2 2A3 2A4 11 19 13 15 17 1Y3 1Y2 3 5 8 7 2Y1 1Y4 EN Logic symbol IEC logic symbol |
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