Signal propagation circuitry for use on integrated circuits

Details Signal propagation circuitry for use on integrated circuits Signal propagation circuitry for use on integrated circuits

2007-06-19

2007-06-19

Tan, Vibol (Department: 2819)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Clock or pulse waveform generating

C327S297000, C716S030000, C326S093000

Reexamination Certificate

active

10996592

ABSTRACT:
Signal transmission circuitry on an integrated circuit ameliorates the effects of possible inequality in rise and fall times of buffer circuits along the transmission circuitry by providing at least one of the buffer circuits as an inverting buffer circuit and at least one other of the buffer circuits as a non-inverting buffer circuit. The invention may be of particular interest for use in clock signal distribution networks on integrated circuits such as programmable logic devices.

REFERENCES:
patent: 5923188 (1999-07-01), Kametani et al.
patent: 6204713 (2001-03-01), Adams et al.
patent: 6205572 (2001-03-01), Dupenloup
patent: 6313683 (2001-11-01), Block et al.
patent: 6397374 (2002-05-01), Pasqualini
patent: 6542005 (2003-04-01), Yamamoto
patent: 6724231 (2004-04-01), Yoshikawa
patent: 6807660 (2004-10-01), Frenkil
U.S. Appl. No. 10/113,328, filed Mar. 29, 2002, Park.

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