Clock supplying circuit and integrated circuit device using it

Details Clock supplying circuit and integrated circuit device using it Clock supplying circuit and integrated circuit device using it

1997-11-24

2000-11-21

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Clock or pulse waveform generating

327144, 375356, 713503, H03K 300

Patent

active

061508667

ABSTRACT:
A clock supplying circuit that supplies a clock to a plurality of controlled circuits 451-454 arranged in respectively different positions. A forward and backward wiring 41, 42 and an internal clock supply wiring 43 are arranged along controlled circuits. A main clock drive circuit 40 is for outputting a first clock to the forward wiring 41 and is for outputting a second shorter phase than the first clock to the internal clock supply wiring 43. A plurality of local clock drive circuits 441-444 arranged close to the controlled circuits, are supplied with a forward clock propagated along the forward wiring and with a back clock propagated along the backward wiring, and are also supplied with the second clock, for delaying the phase of the supplied second clock so as to coincide with a phase intermediate the forward clock and the back clock, and for supplying the delayed clock of the second clock to the respectively corresponding controlled circuits as local clock.

REFERENCES:
patent: 5696951 (1997-12-01), Miller
patent: 5712882 (1998-01-01), Miller
patent: 5734685 (1998-03-01), Bedell et al.

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