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74AC240 Datasheet(PDF) 2 Page - Silicon Supplies |
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74AC240 Datasheet(HTML) 2 Page - Silicon Supplies |
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2 / 6 page ![]() Page 2 of 6 www.siliconsupplies.com d Advanced CMOS Logic – 74AC240 Rev 1.0 01/05/18 Pad Layout and Functions Logic Diagram 1750µm (68.90 mils) 0,0 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 16 17 18 19 20 20 DIE ID COORDINATES (mm) PAD FUNCTION X Y 1 1OE 0.100 0.630 2 1A1 0.100 0.290 3 2Y4 0.150 0.100 4 1A2 0.410 0.100 5 2Y3 0.680 0.100 6 1A3 0.950 0.100 7 2Y2 1.180 0.100 8 1A4 1.500 0.100 9 2Y1 1.520 0.330 10 GND 1.520 0.600 10 GND 1.520 0.770 11 2A1 1.520 0.990 12 1Y4 1.520 1.270 13 2A2 1.500 1.460 14 1Y3 1.180 1.460 15 2A3 0.950 1.460 16 1Y2 0.680 1.460 17 2A4 0.410 1.460 18 1Y1 0.150 1.460 19 2OE 0.100 1.270 20 VCC 0.100 1.000 20 VCC 0.100 0.830 CONNECT CHIP BACK TO VCC OR FLOAT Truth Table INPUTS OUTPUTS 1OE 2OE 1A, 2A 1Y, 2Y L L H L H X H L Z H = High level (steady state) L = Low level (steady state) X = Don’t care, Z = High impedance |
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