Active echo on-die repeater circuit

Details Active echo on-die repeater circuit Active echo on-die repeater circuit

2008-12-29

2011-10-11

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S108000

Reexamination Certificate

active

08035425

ABSTRACT:
A repeater circuit. The repeater circuit includes two output circuits, two echo circuits, two activation circuits, and two deactivation circuits. Responsive to detecting a logical transition of an input signal, one of the activation circuits is configured to activate a corresponding output circuit, which is configured to drive an output signal on an output node. A corresponding echo circuit is configured to be activated and to drive an input node responsive to activation of the corresponding output circuit. A corresponding one of the deactivation circuits is configured to deactivate the corresponding output circuit after a delay time has elapsed, whereas the corresponding echo circuit is deactivated in response thereto. A keeper circuit is configured to continue providing the output signal on the output node after deactivation of the corresponding output circuit.

REFERENCES:
patent: 6426652 (2002-07-01), Greenhill et al.
patent: 7071747 (2006-07-01), Masleid
patent: 7119580 (2006-10-01), Masleid et al.
patent: 7256634 (2007-08-01), Masleid

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