Test circuit to isolate HCI degradation

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United States of America Patent

PATENT NO 9866221
SERIAL NO

15163379

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Embodiments are directed to a system for synchronizing switching events. The system includes a controller, a clock generator communicatively coupled to the controller and a delay chain communicatively coupled to the controller. The delay chain is configured to perform a plurality of delay chain switching events in response to an input to the delay chain. The controller is configured to initiate a synchronization phase that includes enabling the clock generator to provide as an input to the delay chain a clock generator output at a synchronization frequency, wherein the clock generator output passing through the delay chain synchronizes the plurality of delay chain switching events to occur at the synchronization frequency resulting in a frequency of an output of the delay chain being synchronized to the synchronization frequency of the clock generator output.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jenkins, Keith A Sleepy Hollow, US 74 476
Linder, Barry P Hastings-on-Hudson, US 58 485

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