Hybrid-Modules TC~2CLA Without Waiting Time Sequence and it′s Properties

The hybrid modules Top-level Carry Cascade Carry Lookahead Adders(TC2CLA) without waiting time sequence was advanced on the basis of analysis delay time formula of hybrid modules TC2CLA for purpose of the fullest expanding operand bit of TC2CLA under conditions of not raising delay time of TC2CLA.The definitions of hybrid modules TC2CLA without waiting time sequence and without waiting time complete sequence were given,and the delay time formula and it′s a series of important properties were deduced.