Digitally controlled delay cells

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing

Reexamination Certificate

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Details

C327S161000

Reexamination Certificate

active

07009433

ABSTRACT:
Systems and methods are disclosed herein to implement signal delay in integrated circuits. For example, in accordance with an embodiment of the present invention, a master delay circuit may digitally control one or more slave delay cells to support various applications of a programmable logic device.

REFERENCES:
patent: 5883534 (1999-03-01), Kondoh et al.
patent: 6043677 (2000-03-01), Albu et al.
patent: 6194928 (2001-02-01), Heyne
patent: 6252443 (2001-06-01), Dortu et al.
patent: 6414521 (2002-07-01), Potter et al.
patent: 6657467 (2003-12-01), Seki et al.
patent: 6741107 (2004-05-01), Borkar et al.
patent: 2003/0001650 (2003-01-01), Cao et al.

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