Timing adjustment circuit and semiconductor device including...

Details Timing adjustment circuit and semiconductor device including... Timing adjustment circuit and semiconductor device including...

2006-11-14

2006-11-14

Lee, Thomas (Department: 2115)

Electrical computers and digital processing systems: support

Synchronization of clock or timing signals, data, or pulses

C713S400000, C327S156000, C327S158000, C710S005000

Reexamination Certificate

active

07137022

ABSTRACT:
In order to compare a phase of an internal clock signal outputted from a clock driver with that of a data strobe signal from a data strobe output circuit driven by the internal clock signal, a selector is disposed to supply a data strobe signal instead of an external clock signal inputted into a phase comparison circuit. While the selector selects the data strobe signal, the selector, a replica circuit, and the phase comparison circuit operate as a phase advance/delay signal generation circuit to output a phase advance/delay signal indicating a timing deviation to an external output terminal.

REFERENCES:
patent: 6043694 (2000-03-01), Dortu
patent: 6313676 (2001-11-01), Abe et al.
patent: 6437889 (2002-08-01), Davidson
patent: 2001/0021953 (2001-09-01), Nakashima
patent: 10-112182 (1998-04-01), None
patent: 2000-163999 (2000-06-01), None
patent: 2001-298362 (2001-10-01), None

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