MEMORY DEVICE, MEMORY MODULE INCLUDING THE MEMORY DEVICE, METHOD OF FABRICATING THE MEMORY MODULE, AND METHOD OF REPAIRING THE MEMORY MODULE
First Claim
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1. A memory module, comprising:
- a PCB; and
a plurality of DRAMs mounted on the PCB, wherein at least one DRAM has an operating parameter different from other DRAMs according to a position where the at least one DRAM is mounted on the PCB.
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Abstract
A memory module is provided. A plurality of DRAMs is mounted on a PCB. At least one DRAM has an operating parameter different from other DRAMs according to a position where the at least one DRAM is mounted on the PCB.
3 Citations
13 Claims
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1. A memory module, comprising:
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a PCB; and a plurality of DRAMs mounted on the PCB, wherein at least one DRAM has an operating parameter different from other DRAMs according to a position where the at least one DRAM is mounted on the PCB. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A semiconductor memory device, comprising:
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a fuse block configured to store an adjustment value; a data storage unit; a refresh period controller configured to adjust a refresh period based on the adjustment value; and a refresh controller configured to perform a refresh operation on the data storage unit based on the adjusted refresh period. - View Dependent Claims (8)
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9. A memory module, comprising:
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a register disposed at a center region; a first DRAM disposed at a first distance from the register, wherein the first DRAM has a first operating parameter; and a second DRAM disposed at a second distance from the register, wherein the second DRAM has a second operating parameter, wherein the first operating parameter is different from the second operating parameter, wherein the first operating parameter includes a first refresh period and the second operating parameter includes a second refresh period, wherein the first DRAM is configured to set the first refresh period based on the first distance, and wherein the second DRAM is configured to set the second refresh period based on the second distance. - View Dependent Claims (10, 11, 12, 13)
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Specification