Freescale Semiconductor,inc.

Yefim Fefer

Sergey Sofer

Michael Zimin

Mikhail Bourgart

A device and method for adjusting an impedance of an output driver of an integrated circuit; the method includes: (i) receiving, by the output driver, a first square wave signal that should be driven by the output driver to provide a second signal; (ii) monitoring, by a monitoring circuit included in the integrated circuit, the second signal during an output driver transient period resulting from a first square wave signal transient to provide a monitoring result; (iii) determining whether to adjust the impedance of the output driver in response to the monitoring result; and (iv) adjusting the impedance of the output driver in response to the determination.

Device and method for adjusting an impedance of an output driver of an integrated circuit

A method and a device, the device has ground voltage elevation compensation capabilities and includes: multiple current consuming components; a positive voltage supply input; a negative voltage supply input; and a compensation circuit, coupled to the negative voltage supply input and to a grounding element; wherein the compensation circuit is adapted to detect a ground voltage elevation resulting from a flow of excess consumption current through the grounding element, and in response couple the negative voltage supply input to the grounding element; wherein the excess current flows through the grounding element due to an increment in a current consumption of a current consuming element of the device.

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Petach Tikva, Israel

Yefim Fefer