Dynamic random access memory and method of operating the same
AssigneeNanya Technology Corporation
InventorsCHUNG-HSUN LEE, HSIEN-WEN LIU
Life of this patent
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Abstract
The present disclosure provides a dynamic random-access memory (DRAM) with a data correction function and a method of operating the same. The DRAM includes a memory array; a control circuit configured to receive a reading address and a defect information of the reading address; an access circuit configured to generate a reading data from the memory array according to the reading address from the control circuit; and a modifying circuit connected to the access circuit and the control circuit, wherein the modifying circuit is configured to modify a part of the reading data according to the defect information.
Claims19
A dynamic random-access memory (DRAM), comprising:
- a memory array;
- a control circuit configured to receive a reading address and a defect information of the reading address;
- an access circuit configured to generate a reading data from the memory array according to the reading address from the control circuit;
- and
- a modifying circuit connected to the access circuit and the control circuit, wherein the modifying circuit is configured to modify a part of the reading data according to the defect information.
A dynamic random-access memory (DRAM), comprising:
- a memory array;
- a control circuit configured to receive a reading address;
- an access circuit configured to generate a reading data from the memory array according to the reading address from the control circuit;
- a modifying circuit comprising an address register connected to the control circuit and a flip circuit connected to the access circuit;
- and
- an error-correction circuit connected to the modifying circuit and configured to generate a defect information of the reading data;
- wherein the address register is connected to the error-correction circuit for receiving the defect information of the reading data, and the flip circuit is configured to modify a part of the reading data according to the defect information.
A method of operating a dynamic random-access memory, comprising the steps of:
- receiving a reading address;
- generating a reading data from a memory array of the DRAM according to the reading address;
- receiving a defect information of the reading address;
- and
- modifying a part of the reading data according to the defect information to generate a modified data.
Dependencies are inferred from the claim text.