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文檔簡介

1、11iiiiiBAAZBA或11iiiiiBABWBA或1Y1iiiiiiiiBABBAABA或半加器半加器 （Half Adder）：）：不考慮低位進(jìn)位輸入不考慮低位進(jìn)位輸入和向高位的進(jìn)位輸出，兩數(shù)碼和向高位的進(jìn)位輸出，兩數(shù)碼Xn、Yn相加，稱相加，稱半加半加 。nnnnnnnYXYXYXH全加器全加器 （Adder）：）： 將將Xn、Yn及低位進(jìn)位及低位進(jìn)位Cn-1相加，并將進(jìn)位輸出相加，并將進(jìn)位輸出Cn，稱全加，稱全加 。nF1111nnnnnnnnnnnnnCYXCYXCYXCYXFl一位全加器一位全加器 （Full Adder）)()()(111nnnnnnnnnnnnnYXCYXY

2、XCYXYXCnC11nnnnnnnCYCXYXC1)(nnnnnCYXYX11111nnnnnnnnnnnnnnnnCYXCYXCYXCYXCYXF111111nnnnnnnnnnnnnnnnnnnCYCXYXCYXCYXCYXCYXCABBABAABBABABABABABA1111nnnnnnnnnnnnnCYXCYXCYXCYXF1111nnnnnnnnnnnnnCYXCYXCYXCYXCFC1111nnnnnnnnnnnnCYXCYXCYXCYXF1111nnnnnnnnnnnnCYXCYXCYXCYXFF11nnnnnnnCYCXYXC11nnnnnnnnCYCXYXCC1111nn

3、nnnnnnnnnnCYXCYXCYXCYXFF11nnnnnnnnCYCXYXCC1)(nnnnnnCYXYXCnnnnnnnnnnCCCYCXCYXF11C1、C2、C3、C4形成的條件011111)(CYXYXC011221122222)()(CYXYXYXYXYXC01122331122332233333)()()()(CYXYXYXYXYXYXYXYXYXC011223344112233442233443344444)()()()()()()(CYXYXYXYXYXYXYXYXYXYXYXYXYXYXC011111)(CYXYXC011011111)(CPGCYXYXC0110111

4、11CGPCYXYXC012122011221122222)()(CPPGPGCYXYXYXYXYXC011221122222)()(CYXYXYXYXYXC012122011221122222)(CGGPGPCYXYXYXYXYXC012312323301122331122332233333)()()()(CPPPGPPGPGCYXYXYXYXYXYXYXYXYXC01122331122332233333)()()()(CYXYXYXYXYXYXYXYXYXC012312323301122331122332233333)()(CGGGPGGPGPCYXYXYXYXYXYXYXYXYXC012

5、341234234344011223344112233442233443344444)()()()()()()(CPPPPGPPPGPPGPGCYXYXYXYXYXYXYXYXYXYXYXYXYXYXC012341234234344011223344112233442233443344444)()()(CGGGGPGGGPGGPGPCYXYXYXYXYXYXYXYXYXYXYXYXYXYXC011011111CGPCYXYXC012122011221122222)(CGGPGPCYXYXYXYXYXC01122331122332233333)()(CYXYXYXYXYXYXYXYXYXC011

6、223344112233442233443344444)()()(CYXYXYXYXYXYXYXYXYXYXYXYXYXYXC144588912121316160110123412342343444)(CPGCPPPPGPPPGPPGPGCmm01212201122012341234234344567856786787884567856786787888)()(CPPGPGCPGPGCPPPPGPPPGPPGPGPPPPGPPPGPPGPGCPPPPGPPPGPPGPGCmmmmmmmmm012312323312CPPPGPPGPGCmmmmmmmmm01234123423434416CPPP

7、PGPPPGPPGPGCmmmmmmmmmmmmmm0114CPGCmm0121228CPPGPGCmmmmm012312323312CPPPGPPGPGCmmmmmmmmm01234123423434416CPPPPGPPPGPPGPGCmmmmmmmmmmmmmm12342343441GPPPGPPGPGGm56786787882GPPPGPPGPGGm91011121011121112123GPPPGPPGPGGm131415161415161516164GPPPGPPGPGGm12341PPPPPm56782PPPPPm91011123PPPPPm131415164PPPPPm01234123423434416CPPPPGPPPGPPGPGCmmmmmmmmmmmmmmnC000CCPGn101011CCPPGPGn2012012122

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