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74AC573 数据表(PDF) 2 Page - Silicon Supplies |
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74AC573 数据表(HTML) 2 Page - Silicon Supplies |
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2 / 7 page ![]() Page 2 of 7 www.siliconsupplies.com d Advanced CMOS Logic – 74AC573 Rev 1.0 19/3/2021 Pad Layout and Functions 1450µm (57.08 mils) 0,0 Logic Diagram COORDINATES (mm) PAD FUNCTION X Y 1 OE 0.735 0.100 2 1D 1.050 0.100 3 2D 1.23 0.280 4 3D 1.23 0.470 5 4D 1.23 0.660 6 5D 1.23 0.860 7 6D 1.23 1.050 8 7D 1.23 1.250 9 8D 1.050 1.430 10 GND 0.810 1.430 10 GND 0.660 1.430 11 LE 0.370 1.430 12 8Q 0.140 1.430 13 7Q 0.100 1.220 14 6Q 0.100 1.040 15 5Q 0.100 0.860 16 4Q 0.100 0.680 17 3Q 0.100 0.500 18 2Q 0.100 0.320 19 1Q 0.140 0.100 20 VCC 0.320 0.100 20 VCC 0.470 0.100 CONNECT CHIP BACK TO VCC OR FLOAT INPUTS OUTPUT OE LE D Q L L L H H H L X H L X X H L No Change Z H = High level (steady state) L = Low level (steady state) Z = High Impedance, X = Don’t care Truth Table Pad 10 = GND, Pad 20 = VCC 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 16 17 18 19 20 20 |
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