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HCF4030BC1 数据表(PDF) 7 Page - STMicroelectronics |
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HCF4030BC1 数据表(HTML) 7 Page - STMicroelectronics |
7 / 12 page The two’s complement adder-substractor can add or substract any two of the numbers in table 1. For exam- ple : Table 1 : Two’s Complement Numbers and Their Equivalent Decimal Values. a) 2 SIGN + = BIT –5 X 0 0 000 01 0 2 + Y 1 1 111 01 1 –5 + CI 0 S 0 1 1 111 10 1 = –3 CO TEST CIRCUITS Quiescent Device Current. Input Voltage. Input Leakage Current. SIGN b) –2 BIT – = X 1 111 11 1 0 –2 + –5 Y 1 111 10 1 1 –5 Y 0 000 01 0 0 + CL 1 S 1 0 000 00 1 1 = 3 CO X8 X7 X6 X5 X4 X3 X2 X1 X8 X7 X6 X5 X4 X3 X2 X1 0 0 0 0 0 000= 0 111111 11= -1 0 0 0 0 0 001= 1 111111 10= -2 0 0 0 0 0 010= 2 111111 01= -3 0 0 0 0 0 011= 3 111111 00= -4 111110 11= -5 0 1 1 1 1 110= 126 100000 01= -127 0 1 1 1 1 111= 127 100000 00= -128 HCC/HCF4030B 7/12 |
类似零件编号 - HCF4030BC1 |
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类似说明 - HCF4030BC1 |
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