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CD74HCT20 数据表(PDF) 2 Page - Texas Instruments |
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CD74HCT20 数据表(HTML) 2 Page - Texas Instruments |
2 / 9 page 2 Functional Diagram HC Logic Symbol HCT Logic Symbol TRUTH TABLE INPUTS OUTPUT nA nB nC nD nY LX X X H XLX X H XX L X H XXX L H HHHH L H = High Voltage Level, L = Low Voltage Level, X = Irrelevant 1A NC 1D 1Y 1 3 4 5 7 1C GND 1B 2 6 14 12 11 10 8 13 9 VCC 2C 2B 2A NC 2Y 2D nA nB nY nC nD nA nB nY nC nD CD54HC20, CD74HC20, CD54HCT20, CD74HCT20 |
类似零件编号 - CD74HCT20 |
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类似说明 - CD74HCT20 |
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