进位信号和进位传递信号
时间: 2023-12-22 18:04:09 浏览: 70
进位信号是在加法运算中用来表示两个二进制位相加时是否会产生进位的信号。在超前进位加法器中,进位信号是由每一位相邻的低位相加结果和当前位的输入数据共同决定的。进位传递信号是指进位信号在不同位之间传递的过程。在先行进位加法器中,各级的进位彼此独立产生,并且只与输入数据相关,传递给下一级的进位信号不再由低位向高位逐级传递,而是直接给到每一级的输入端,从而减小了进位产生的延时。这样可以提高加法器的运算速度。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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