CPC H03K 3/356121 (2013.01) [G05F 1/44 (2013.01); G05F 3/262 (2013.01); H03K 5/249 (2013.01); H03K 5/2481 (2013.01)] | 20 Claims |
1. A method of controlling a comparing device, comprising:
selectively generating a first current by a first current generating circuit according to a first control signal;
generating a second current by a second current generating circuit; and
comparing a first input signal and a second input signal at a common node to generate an output signal according to the first current, the second current, and a second control signal,
wherein the second control signal and the first control signal are in-phase with each other.
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