A locked loop circuit having a clock hold function. The locked loop circuit includes a select circuit, phase mixing circuit, hold signal generator and latch circuit. The select circuit selects one of a plurality of phase values in response to a select signal, and the phase mixing circuit generates a...http://www.google.com.au/patents/US6922091?utm_source=gb-gplus-sharePatent US6922091 - Locked loop circuit with clock hold function
