High speed counter

专利名称：High speed counter发明人：Boyle, David Henry申请号：EP86104054申请日：19860325公开号：EP0199988A3公开日：19880817

专利附图：

摘要：An M-bit binary counter is disclosed having M sequentially ascending binaryvalue stages, the first stage being the lowest significant bit. Each stage above the leastsignificant bit stage has a subsequent value decoder (100) which has the function ofdetermining the effect of lower order carry bits on higher order stages with a minimum

of signal delay. The decoder includes the feature of using natural threshold FET devicesin a transfer gate configuration to perform logical AND functions so as to minimize gatedelays in decoding a carry condition for higher order stages. A selective upcounting ordown- counting function is also disclosed.

申请人：International Business Machines Corporation

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