Memory system and method for two step write operations

Details Memory system and method for two step write operations Memory system and method for two step write operations

2005-05-03

2005-05-03

Bataille, Pierre-Mihcel (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Access timing

C711S158000, C710S005000

Reexamination Certificate

active

06889300

ABSTRACT:
A method and apparatus for storing data in a memory device is described. The apparatus is configured to perform the following steps. The method employs a two-step technique which allows the out-of-order completion of read and write operations. When a write operation requires a resource needed for the completion of a read operation, the data being written is stored in a write data buffer in the memory device. The write data is stored in the buffer until a datapath is available to communicate the data to the memory device's memory core. Once the resource is free (or the memory device, or its controller force the write to complete) the data is written to the memory core of the memory device using the now-free datapath.

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