Clock generator for semiconductor memory apparatus

Details Clock generator for semiconductor memory apparatus Clock generator for semiconductor memory apparatus

2006-11-29

2008-08-19

Richards, N. Drew (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Clock or pulse waveform generating

C327S161000, C327S166000, C327S295000

Reexamination Certificate

active

07414451

ABSTRACT:
The clock generator for semiconductor memory apparatus which includes: a first divider; a first delay unit; a second divider; a second delay unit; a duty-cycle corrector; a third divider; a third delay unit; a phase comparator; and a delay time setting unit. The clock generator for semiconductor memory apparatus exactly performs phase correction and duty cycle correction using frequency-divided clocks. Therefore, it is possible to generate reliable clocks and to improve the operational performance of a system using the clock generator.

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