Delay circuit and delay locked loop circuit including the same

Details Delay circuit and delay locked loop circuit including the same Delay circuit and delay locked loop circuit including the same

2008-12-29

2010-11-16

Luu, An T (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

C327S270000, C327S149000, C327S150000

Reexamination Certificate

active

07834674

ABSTRACT:
A delay circuit includes a delay line unit including a plurality of delay units configured to generate a plurality of delay input clocks by delaying an input clock by a unit delay amount in response to at least one delay control signal; and a signal selection unit configured to selectively output at least one of the plurality of delay input clocks in response to the delay control signal.

REFERENCES:
patent: 6009134 (1999-12-01), Yoon
patent: 7161397 (2007-01-01), Lee et al.
patent: 2008/0164920 (2008-07-01), Cho
patent: 2008/0309387 (2008-12-01), Yamane
patent: 11-284496 (1999-10-01), None
patent: 1020060112011 (2006-10-01), None
patent: 100837822 (2008-06-01), None
Notice of Preliminary Rejection issued from Korean Intellectual Property Office on Mar. 22, 2010.
Notice of Allowance issued from Korean Intellectual Property Office on Sep. 16, 2010.

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