Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing
Reexamination Certificate
2011-08-09
2011-08-09
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Synchronizing
C327S149000
Reexamination Certificate
active
07994831
ABSTRACT:
A semiconductor integrated circuit is disclosed. The disclosed semiconductor integrated circuit of the present invention includes a DLL (Delay Locked Loop) controller that controls whether to activate a DLL at the entry of a power down mode, in response to a result of detecting whether a range of phase change of an external clock signal is within a predetermined range, and a DLL block that provides a result of comparing a reference clock signal with a feedback clock signal to the DLL controller and also provides a delay locked clock signal that is periodically updated, in response to the reference clock signal, under the control of an activated output signal from the DLL controller.
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Lee Hyun-woo
Yun Won-Joo
Baker & McKenzie LLP
Donovan Lincoln
Houston Adam D
Hynix / Semiconductor Inc.
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