High speed integrated circuit

H - Electricity – 03 – K

Patent

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Details

H03K 17/16 (2006.01) H03K 19/0175 (2006.01)

Patent

CA 2573085

A novel driver circuit that uses a differential driver as a design backbone is described. Unlike a conventional differential interface, which typically has two or more outputs for providing an output signal and its complement, one of the differential driver's outputs is coupled to drive an output signal onto a signal line (22a), while another one of the differential driver's outputs is unused and terminated (22b), for instance by coupling the output to package ground or a voltage source via a capacitor. The performance of the driver circuit is significantly improved over conventional singled-ended driver designs.

L'invention concerne un nouveau circuit d'attaque faisant appel à un dispositif de pilotage différentiel, notamment un squelette conceptuel. Contrairement à une interface différentielle classique, qui présente typiquement au moins deux sorties pour fournir un signal de sortie et son complément, une des sorties du dispositif de pilotage différentiel de l'invention est couplée pour piloter un signal de sortie sur la ligne de signal, tandis que l'autre sortie du dispositif de pilotage différentiel n'est pas utilisée et est supprimée, par exemple par couplage de la sortie au module de la terre ou à la source de tension, par un condensateur. La performance du circuit d'attaque de l'invention est considérablement accrue par rapport aux conceptions de pilotage classique à extrémité unique.

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