Multi-port memory device

Details Multi-port memory device Multi-port memory device

2008-10-24

2009-12-22

Pham, Ly D (Department: 2827)

Static information storage and retrieval

Addressing

Multiple port access

C365S189120, C365S191000, C365S193000, C365S220000, C365S230030, C365S230060, C365S233100, C365S233180

Reexamination Certificate

active

07636272

ABSTRACT:
A multi-port memory device having a plurality of ports performing a serial input/output (I/O) communication with external devices, and a plurality of banks performing a parallel I/O communication with the ports through a plurality of global I/O lines. The multi-port memory device includes: a write clock generating unit for generating a write clock selectively toggled only while write data are applied; a write control unit for generating a write flag signal group and a write driver enable signal in response to the write clock and a write command; a data latch unit for outputting intermediate write data by storing burst write data under the control of the write flag signal group; and a write driver for receiving the intermediate write data to write final write data in a memory cell of a corresponding bank in response to the write driver enable signal and a data mask signal group.

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