HYBRID VOLATILE AND NON-VOLATILE MEMORY DEVICE
First Claim
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1. A memory device disposed within an integrated circuit (IC) package and comprising:
- a first storage die having an array of volatile storage cells;
a second storage die having an array of non-volatile storage cells;
a shared interface circuit to receive information associated with a memory access operation to be performed within the memory device and to select, according to the information, either the first storage die or the second storage die to be accessed in the memory access operation.
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Abstract
A composite, hybrid memory device including a first storage die having an array of volatile storage cells and a second storage die having an array of non-volatile storage cells disposed within an integrated circuit package. The hybrid memory device includes a shared interface circuit to receive memory access commands directed to the first storage die and the second storage die and to convey read and write data between an external data path and the first and second storage dice.
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Citations
40 Claims
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1. A memory device disposed within an integrated circuit (IC) package and comprising:
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a first storage die having an array of volatile storage cells; a second storage die having an array of non-volatile storage cells; a shared interface circuit to receive information associated with a memory access operation to be performed within the memory device and to select, according to the information, either the first storage die or the second storage die to be accessed in the memory access operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of accessing storage locations within an integrated circuit (IC) device, the method comprising:
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receiving, within a shared interface of the IC device, information that specifies a memory access to be performed within either a first IC storage die having an array of volatile storage cells or a second IC storage die having an array of non-volatile storage cells; and performing the memory access within either the first IC storage die or the second IC storage die according to the information. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A method of operation within a memory device, the method comprising:
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receiving write data within the memory device; storing the write data within a volatile storage die of the memory device; detecting an event that indicates that the write data is to be stored within a non-volatile storage die of the memory device; and conveying the write data, via an internal data path of the memory device, from the volatile storage die to the non-volatile storage die for storage within the non-volatile storage die. - View Dependent Claims (21, 22, 23, 24, 25)
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26. A method of controlling a memory device having, the method comprising:
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receiving an address value that indicates a range of addresses within the memory device, each address within the range of addresses corresponding to storage locations within each of two distinct storage dice within the memory device; storing the address value within a programmable register within the memory device. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33)
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34. A memory device comprising:
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a non-volatile storage die; a volatile storage die; and a programmable register to store an address value that specifies a range of addresses in which each address corresponds to storage locations within both the volatile storage die and the non-volatile storage die. - View Dependent Claims (35, 36, 37, 38)
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39. A memory device comprising:
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a first storage die having an array of volatile storage cells; a second storage die having an array of non-volatile storage cells; means for receiving, within a shared interface of the memory device, information that specifies a memory access to be performed within either the first storage die or the second storage die; and means for performing the memory access within either the first storage die or the second storage die according to the information.
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40. Computer-readable media having information embodied therein that includes a description of an integrated circuit memory device, the information including descriptions of:
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a first storage die having an array of volatile storage cells; a second storage die having an array of non-volatile storage cells; a shared interface circuit to receive information associated with a memory access operation to be performed within the memory device and to select, according to the information, either the first storage die or the second storage die to be accessed in the memory access operation.
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Specification