Patent
Adapting vlsi clocking to short term voltage transients
TLDR
In this paper, the authors propose a system and method of compensating for voltage droop in an integrated circuit, where the integrated circuit is driven by a clock signal, determining an optimum frequency change to compensate for the voltage drop, and adapting cycle time of the clock signal in an incremental manner.Abstract:
A system and method of compensating for voltage droop in an integrated circuit. The integrated circuit may include a plurality of chip circuits, a clock control system, a clock distribution network including at least one delay element and a voltage droop detector. The clock control system adapts cycle time in the clock distribution network through use of the at least one delay element when a voltage droop is detected. The method may include detecting a voltage droop in an integrated circuit where the integrated circuit is driven by a clock signal, determining an optimum frequency change to compensate for the voltage droop, and adapting cycle time of the clock signal in an incremental manner to achieve the optimum frequency change.read more
Citations
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References
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Patent
Bounded power supply voltage positioning
Terry J. Groom,Stuart Pullen +1 more
TL;DR: In this paper, a voltage positioning technique allows a power supply controller to more fully exploit active voltage positioning as a way of maintaining supply voltage within the limits defined for an associated electrical load, where the supply voltage is allowed to "droop" as a function of load current.
Patent
Programmable output pad with circuitry for reducing ground bounce noise and power supply noise and method therefor
Sung-Hun Oh,Richard M. Taylor +1 more
TL;DR: In this article, a programmable output pad is disclosed that reduces ground bounce noise and power supply noise under different power supply values and under different load conditions, by selecting different time delays.
Patent
Noise isolated I/O buffer
TL;DR: In this article, a noise isolated I/O buffer includes an output terminal, a transient switching circuit (AC driver) connected to first power and ground voltage sources, to a logic input signal and to the output terminal.
Patent
Integrated circuit power status indicator and method of using the same
TL;DR: A power status indicator and method of using the same can be found in this paper, where an apparatus utilizing a power status signal includes a circuit and a variable voltage supply, which is coupled to receive the signal and provide the circuit with a supply voltage which is a function of the signal.
Patent
High-performance, low-skew clocking scheme for single-phase, high-frequency global VLSI processor
TL;DR: In this article, a single-phase clocking scheme for use in a VLSI chip having a plurality of localized logic blocks implemented thereon is presented, which includes a first level global clock buffer for receiving an external global clock and producing a first-level global clock.