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HCC4048B 数据表(PDF) 3 Page - STMicroelectronics |
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HCC4048B 数据表(HTML) 3 Page - STMicroelectronics |
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3 / 12 page ![]() BASIC LOGIC CONFIGURATIONS LOGIC DIAGRAM FUNCTION TRUTH TABLE Output Function Boolean Expression K a K b K c Unused Input NOR OR OR/AND OR/NAND AND NAND AND/NOR AND/OR J = A+ B+C +D +E + F +G +H J = A+ B+C + D + E+ F + G + H J = (A +B +C + D) • (E +F +G + H) J = (A + B +C +D) • (E +F + G +H) J = ABCDEFGH J = ABCDEFGH J = ABCD + EFGH J = ABCD + EFGH 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 VSS VSS VSS VSS VDD VDD VDD VDD Kd =1 Kd =0 Normal Inverter Action High Impedance Output EXPAND Input = 0 HCC/HCF4048B 3/12 |
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