Method and apparatus for adjusting the performance of a synchronous memory system
First Claim
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1. An integrated circuit, comprising:
- a temperature sensor to output a value that represents a temperature of the integrated circuit;
a register to receive and store the value that represents the temperature of the integrated circuit;
a decoder to output a control signal in response to the value that represents the temperature of the integrated circuit; and
an adjustment circuit to adjust a clock signal in response to the control signal.
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Abstract
A method and apparatus for adjusting the performance of a memory system is provided. A memory system comprises a master device and a slave device. A memory channel couples the master device to the slave device such that the slave device receives the system operating information from the master device via the memory channel. The slave device further includes tuning circuitry within the slave device such that the performance of the memory system is improved.
70 Citations
34 Claims
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1. An integrated circuit, comprising:
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a temperature sensor to output a value that represents a temperature of the integrated circuit; a register to receive and store the value that represents the temperature of the integrated circuit; a decoder to output a control signal in response to the value that represents the temperature of the integrated circuit; and an adjustment circuit to adjust a clock signal in response to the control signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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obtaining information that represents a temperature of an integrated circuit; storing the information that represents the temperature of the integrated circuit into a register; decoding the value that represents the temperature of the integrated circuit to a control signal; and adjusting a clock signal in response to the control signal to obtain an adjusted clock signal. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. An integrated circuit device, comprising:
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a receiver to receive information representing a power supply parameter; a storage circuit to store information representing the power supply parameter and information representing an operating frequency; and an adjustment circuit to adjust a circuit based on the information representing the power supply parameter and information representing the operating frequency. - View Dependent Claims (21, 22)
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20. An integrated circuit device, comprising:
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an internal detector circuit to detect a supply voltage; a storage circuit to store information representing the supply voltage and information representing an operating frequency; and an adjustment circuit to adjust a circuit based on the information representing the supply voltage and information representing the operating frequency.
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23. A memory controller, comprising:
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a storage circuit to store information representing a clock parameter and information representing a temperature; an adjustment circuit to adjust a circuit based on the information representing the clock parameter and information representing the temperature; and a circuit to output the information representing the clock parameter to at least one integrated circuit memory device. - View Dependent Claims (24)
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25. An apparatus, comprising:
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a temperature sensor to obtain information representing a temperature of a circuit in the apparatus; a clock generator to provide a clock signal used for data communications; a storage circuit to store information representing at least one of a plural operating parameters and the information representing the temperature; and a clock alignment circuit to adjust the clock signal using at least one operating parameter represented by the information in response to the information representing the temperature, and the clock alignment circuit to output the clock signal to at least one integrated circuit memory device. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification