| 摘要 |
An apparatus comprising an input section, a first delay circuit and a second delay circuit. The input section may be configured to present a first intermediate signal by selecting either (i) an input clock signal or (ii) a feedback of an output signal. The first delay circuit may be configured to generate a second intermediate signal by delaying the first intermediate signal by inserting one of a plurality of fixed delays in response to a first control signal. The second delay circuit may be configured to generate the output signal by delaying the second intermediate signal by inserting a programmable delay in response to a second control signal.
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