Abstract: Some embodiments disclosed herein provide dual rail generators to provide a high and a low supply rail.

Abstract: A circuit includes a first driver, a second driver, and a transformer coupled to the first and second driver. In operation, the first driver receives a first signal from a first input port, the second driver receives a time-delayed version of the first signal from a second input port, and the transformer provides provide an output signal to an output port. A method includes receiving a first input signal, receiving a second input signal, and then processing the first input signal and the second input signal. The second input signal is a time-delayed version of the first input signal and the processing of the first input signal and the second input signal generates a half-raised cosine signal.

Abstract: An embodiment is a magnetic via. More specifically, an embodiment is a magnetic via that increases the inductance of, for example, an integrated inductor or transformer while mitigating eddy currents therein that may limit the operation of the inductor or transformer at high frequency.

Abstract: An embodiment is an inductor that may include a slotted magnetic material to decrease eddy currents therein that may limit the operation of the inductor at high frequency. An embodiment may employ electro- or electroless plating techniques to form a layer or layers of magnetic material within the slotted magnetic material structure, and in particular those magnetic material layers adjacent to insulator layers.

Abstract: Multiple-inductor embodiments for use in substrates are provided herein.

Abstract: An embodiment is a magnetic via. More specifically, an embodiment is a magnetic via that increases the inductance of, for example, an integrated inductor or transformer while mitigating eddy currents therein that may limit the operation of the inductor or transformer at high frequency.

Abstract: An inductor and multiple inductors embedded in a substrate (e.g., IC package substrate, board substrate, and/or other substrate) is provided herein.

Abstract: An embodiment is an inductor that may include a laminated material structure to decrease eddy currents therein that may limit the operation of the inductor at high frequency. An embodiment may employ electroless plating techniques to form a layer or layers of magnetic material within the laminated material structure, and in particular those magnetic layers adjacent to insulator layers.

Abstract: A method and apparatus for multi-phase transformers are described. In one embodiment, a coupled inductor topology for the multi-phase transformers comprising N primary inductors. In one embodiment, each primary inductor is coupled to one of N input nodes and a common output node. The transformer further includes N?1 secondary inductors coupled in series between one input node and the common output node. In one embodiment, the N?1 secondary inductors are arranged to couple energy from N?1 of the primary inductors to provide a common node voltage as an average of N input node voltages, wherein N is an integer greater than two. Other embodiments are described and claimed.

Abstract: An integrated circuit (IC) package is disclosed. The IC package includes a first die; and a second die bonded to the CPU die in a three dimensional packaging layout.

Abstract: Droop-control circuitry of a multiphase power converter determines when multiphase switching signals are concurrently at either a high or low state and temporarily clamps the output of the power converter to either a high or low voltage level in response thereto.

Abstract: A temperature-independent voltage reference containing two independent bias circuits powered by the reference voltage, each bias circuit containing components with an exponential dependence of current on voltage and one containing a resistive impedance, and further including voltage dividers and an active component.

Abstract: A device comprises an active-pull-up stage and an active-pull-down stage. The device receives at least one reference voltage and provides an regulated output voltage to at least one load. The active-pull-up and active-pull-down stages are adapted to source or sink a current delivered to or received from the at least one load to regulate the output voltage provided to the at least one load. Other embodiments and methods are also claimed and described.

Abstract: Systems and methods are disclosed for measuring signals on an integrated circuit die. In one embodiment, a reference signal is distributed to die locations proximal to the signals to be measured. The reference signal is transmitted over transport paths coupling each of the signals to be measured to the die output. The signals to be measured are transmitted over their respective transport paths and measured at the die output. The relative delay between the signals can be calculated using the reference signal measurements.

Abstract: A central processing unit (CPU) is disclosed. The CPU includes a CPU die; and a power management die bonded to the CPU die in a three dimensional packaging layout.

Abstract: In an embodiment, a switched capacitor transformer transfers a differential reference voltage at its input ports to its output ports, where a capacitor is switched so that the capacitor is coupled to the input ports during a first portion of a cycle of operation and then coupled to the output ports during a second portion of the cycle of operation, where the first and second portions of the cycle of operation are non-overlapping. Other embodiments are described and claimed.

Abstract: A method for designing and testing on-die power supply, power distribution, and noise suppression techniques for integrated circuits such as microprocessors is described. A network of time varying loads is distributed along the power supply grid to facilitate testing of new power supplies and grids and noise suppression techniques before design of the chip is completed. Several programmable current sinks are described for presenting loads according to a preferred test-waveform current. Transient, including droop detection, and static testing is easily performed using the described methods and circuitry.

Abstract: A method and apparatus is described according to various embodiments, for flowing current from one region of a coil to another region of the coil. The flowing induces—through flux linkage —a voltage across a second coil. A second current substantially does not flow though the second coil. The method and apparatus also includes measuring the current with the voltage between the two coils.

Abstract: A level shifting device comprises an input stage, a cascode stage, a cross-coupled stage, and an output stage. The input stage may receive a data signal or binary logic input in a first data range, a complement of the data signal, and a first voltage. The cascode stage may receive a first voltage and may be connected to the input stage. The cross-coupled stage may be adapted to isolate the first voltage and may be connected to the cascode stage. The output stage may receive a second voltage, provide an output, and be connected to the cross-coupled stage. The cascode stage may be adapted to provide the first voltage as the output when the logic input is a first value and provide the second voltage as the output when the logic input is a second value. Other embodiments are also claimed and described.

Abstract: A circuit includes a first driver, a second driver, and a transformer coupled to the first and second driver. In operation, the first driver receives a first signal from a first input port, the second driver receives a time-delayed version of the first signal from a second input port, and the transformer provides provide an output signal to an output port. A method includes receiving a first input signal, receiving a second input signal, and then processing the first input signal and the second input signal. The second input signal is a time-delayed version of the first input signal and the processing of the first input signal and the second input signal generates a half-raised cosine signal.