Semiconductor memory device for controlling cell block with...

Details Semiconductor memory device for controlling cell block with... Semiconductor memory device for controlling cell block with...

2006-06-27

2006-06-27

Nguyen, Tuan T. (Department: 2824)

Static information storage and retrieval

Addressing

Plural blocks or banks

C365S189090, C365S222000, C711S203000

Reexamination Certificate

active

07068561

ABSTRACT:
A semiconductor memory device for an effective data access operation includes a cell area having N+1 number of unit cell blocks, each including M number of word lines, for storing a data in a unit cell corresponding to an inputted address; N+1 number of unit controlling blocks having respective state machines and corresponding to the respective N+1 unit cell blocks for controlling a data restoration that is accessed from a first unit cell block selected from the N+1 unit cell blocks into the first unit cell block or a second unit cell block; and a driving controlling block for controlling the N+1 unit cell blocks so that the N+1 unit controlling means are in one of first to fourth operation states.

REFERENCES:
patent: 6557080 (2003-04-01), Burger et al.
patent: 6590824 (2003-07-01), Benedix et al.
patent: 2004/0221100 (2004-11-01), Hong et al.
patent: 2004/0221129 (2004-11-01), Ko et al.

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