发明授权
US08514000B1 Meta-hardened flip-flop 有权
元硬化触发器

Meta-hardened flip-flop
摘要:
Some embodiments relate to a flip-flop having a data input terminal, a data output terminal and a clock terminal. The flip-flop includes a master latch, a slave latch, and an isolation element coupled between the master latch output and slave latch. The isolation element is arranged to isolate capacitive loading seen by the output of the master latch that comes from the slave latch. In some embodiments, the master latch includes one or more drive enhancement elements on its feedforward and feedback paths. The slave latch can also include one or more drive enhancement elements on its feedforward and feedback paths. These drive enhancement elements, particularly in combination with the isolation element, may help to reduce the setup and hold times and enhance meta-stability resistance of the flip-flop relative to conventional implementations. Other embodiments are also disclosed.
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