Apparatus and method to track command signal occurrence for...

Details Apparatus and method to track command signal occurrence for... Apparatus and method to track command signal occurrence for...

2005-12-13

2005-12-13

Peikari, B. James (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S167000, C710S058000

Reexamination Certificate

active

06976121

ABSTRACT:
An apparatus and a method to track command signal occurrence for DRAM data transfer have been disclosed. In one embodiment, the apparatus includes an interface to couple to a data bus, the data bus to transfer data between the interface and one or more memory devices, and a logic unit to generate a command occurrence signal to identify when a command signal is issued, wherein a set of data transfer operations on one of the one or more memory devices are completed in response to the command occurrence signal, a transition of a flag signal, and a chip select signal corresponding to the one memory device. Other embodiments have been claimed and described.

REFERENCES:
patent: 5666521 (1997-09-01), Marisetty
patent: 5678009 (1997-10-01), Bains et al.
patent: 5802554 (1998-09-01), Caceres et al.
patent: 5926828 (1999-07-01), Khandekar
patent: 6243768 (2001-06-01), Khandekar
patent: 6473828 (2002-10-01), Matsui

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