Memory device and method of transferring data in memory device

Details Memory device and method of transferring data in memory device Memory device and method of transferring data in memory device

2007-07-10

2007-07-10

Hoang, Huan (Department: 2827)

Static information storage and retrieval

Addressing

Multiple port access

C365S189040

Reexamination Certificate

active

11044740

ABSTRACT:
According to one aspect of the invention, a circuit for accessing data in a memory is disclosed. The circuit generally comprises a first port having a read logic circuit and a first output which generates data from the memory. A second port has a read logic circuit and a write logic circuit. A second output is coupled to the second port, and also generates data from the memory. Circuits for separately selecting read and write widths for a port of a memory, such as a random access memory, are disclosed. Finally, other embodiments related to implementing a content addressable memory in a programmable logic device are disclosed. Further, a method of accessing data in a memory is disclosed.

REFERENCES:
patent: 5289432 (1994-02-01), Dhong et al.
patent: 6346825 (2002-02-01), Pang et al.
patent: 6373779 (2002-04-01), Pange et al.
patent: 6986004 (2006-01-01), Cheng et al.
Jean-Louis Brelet et al.; “Using Virtex-II Block RAM for High Performance Read/Write CAMs”; XAPP260 (v1.1) Feb. 27, 2002; available from www.xillnx.com; pp. 1-12.

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