An error-correcting partial latch stage includes a first pass gate having an input for receiving a data input signal, an output, and a control node for receiving a control signal, a second pass gate having an input coupled to the output of the first pass gate, an output for providing a data output signal,...http://www.google.se/patents/US6831496?utm_source=gb-gplus-sharePatent US6831496 - Error correcting latch
