Memory power models related to access information and methods thereof
AssigneeIndustrial Technology Research Institute
InventorsYaw-Feng Wang, Wen-Tsan Hsieh, Yi-Fang Chiu, Sheng-Yu Hsu, Yeong-Jar Chang
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Abstract
A power consumption model for a memory device is provided. According to each characteristic vector, a corresponding power lookup table is built. Each characteristic vector comprises an operating mode and a variation of the data and/or address status of the memory device.
Claims13
A method for providing a power consumption model for a memory device comprising a plurality of pins, a first and a second group comprising at least one pin, respectively, and the two groups are mutually exclusive, the method comprising:
- defining a status of the first group;
- defining a status of the second group;
- defining a plurality of characteristic vectors, each characteristic vector comprising one status of the first group and one variation of the second group;
- providing an input pattern;
- executing the input pattern on a library cell representative of the memory device, and analyzing the characteristic vectors corresponding to the input pattern;
- defining a consumed power quantity of the memory device according to a characteristic vector;
- and
- defining a power consumption table according to the consumed power quantity.
A method for applying a power consumption model for a memory device comprising a plurality of pins, a first and second group comprising at least one pin, respectively, and the first and second groups are mutually exclusive, the method comprising:
- analyzing a plural status of the first group according to a input pattern;
- providing a dummy module, comprising:
- providing a library cell representative of the memory device;
- and
- providing a characteristic vector generator to generate plural characteristic vectors, wherein each characteristic vectors comprises a status of the first group and a status of the second group;
- executing the input pattern on the library cell;
- and
- looking up the power consumption model of the memory device according to the characteristic vectors and the dummy module.
A machine readable memory storing a power consumption model used for estimating power consumed by a memory device, the machine readable memory further comprising a program which drives a machine to execute the step of finding the corresponding power lookup table according to the operating mode of the memory device and a status of data and/or address ports.
Dependencies are inferred from the claim text.