Qualcomm Incorporated

Saravanan Marimuthu

David Anthony Kidd

Animesh Datta

Ohsang Kwon

Rui Li

Seid Hadi Rasouli

Venkat Narayanan

De Lu

Min Chen

Samy Shafik Tawfik Zaynoun

Peeyush Kumar Parkar

Sachin Bapat

Sakthivel Packirisamy

Baldeo Sharan Sharma

Amit Patil

Aspects of the disclosure are directed to sensing integrated circuit (IC) Back End Of Line (BEOL) process corners. In one aspect, an apparatus for sensing IC BEOL process corners includes a ring oscillator including a plurality of ring oscillator stages configured to generate an output waveform with a frequency state; and a shield net circuit including a plurality of shield net stages corresponding to the plurality of ring oscillator stages, the shield net circuit having a toggle input. And, a method includes generating an output waveform with a frequency state using a ring oscillator that includes a plurality of ring oscillator stages; modifying a plurality of ring oscillator stage time delays through a coupling between a plurality of shield net stages and the plurality of ring oscillator stages; and selecting the frequency state using a toggle input of a shield net circuit which includes the plurality of shield net stages.

Back end of line (BEOL) process corner sensing

An integrated circuit element is disclosed having a memory device; a P-type semiconductor region including a first semiconductor device from a first memory port circuit coupled to the memory device and configured to enable access to the memory device when the first semiconductor device is activated; an N-type semiconductor region including a second semiconductor device from a second memory port circuit coupled to the memory device and configured to enable access to the memory device when the second semiconductor device is activated; and a plurality of signal lines distributed over the P-type and N-type semiconductor regions including a first memory port selection line coupled to allow the first semiconductor device to be activated; a second memory port selection line coupled to allow the second semiconductor device to be activated; and a clock signal line placed between the first memory port selection line and the second memory port selection line.

Method and apparatus for clock power saving in multiport latch arrays

Techniques for resolving a metastable state in a synchronizer are described herein. In one embodiment, a circuit for resolving a metastable state in a synchronizer comprises a signal delay circuit coupled to a node of the synchronizer, wherein the signal delay circuit is configured to delay a data signal at the node to produce a delayed data signal, and a transmission circuit coupled to the signal delay circuit, wherein the transmission circuit is configured to couple the delayed data signal to the node after a delay from a first edge of a clock signal.

High frequency synchronizer

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Bengaluru, India

Saravanan Marimuthu