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54HC20 데이터시트(PDF) 2 Page - Silicon Supplies |
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54HC20 데이터시트(HTML) 2 Page - Silicon Supplies |
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2 / 5 page ![]() Page 2 of 5 www.siliconsupplies.com d High Speed CMOS Logic – 54HC20 Rev 1.0 7/5/2019 COORDINATES (mm) PAD FUNCTION X Y 1 1A 0.151 0.364 2 1B 0.151 0.184 3 1C 0.427 0.151 4 1D 0.671 0.151 5 1Y 0.933 0.238 6 GND 0.943 0.418 7 2Y 0.943 0.706 8 2A 0.909 0.886 9 2B 0.672 0.929 10 2C 0.405 0.917 11 2D 0.151 0.853 12 VCC 0.151 0.608 CONNECT CHIP BACK TO VCC OR FLOAT Pad Layout and Functions Logic Diagram 1200µm (47.24 mils) 0,0 Function Table INPUTS OUTPUT A B C D Y L X X X H X L X X H X X L X H X X X L H H H H H L H = High level (steady state) L = Low level (steady state) X = don’t care 1 10 2 3 4 5 6 7 8 9 11 12 DIE ID |
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