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74HC21 数据表(PDF) 4 Page - NXP Semiconductors |
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74HC21 数据表(HTML) 4 Page - NXP Semiconductors |
4 / 6 page December 1990 4 Philips Semiconductors Product specification Dual 4-input AND gate 74HC/HCT21 Fig.4 Functional diagram. Fig.5 Logic diagram (one gate). FUNCTION TABLE Notes 1. H = HIGH voltage level L = LOW voltage level X = don’t care INPUTS OUTPUT nA nB nC nD nY LX X X L XL X X L X XLX L XX X L L HH H H H |
类似零件编号 - 74HC21 |
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类似说明 - 74HC21 |
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