Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

2007-06-28

2009-06-30

Phung, Anh (Department: 2824)

Static information storage and retrieval

Addressing

Particular decoder or driver circuit

C365S230080

Reexamination Certificate

active

07554876

ABSTRACT:
A semiconductor memory device can effectively select a word line. The semiconductor memory device includes a word line driver unit for including N unit driving circuits for driving N word lines of a cell block, the N unit driving circuits being divided into M group driving circuits; a common address latch unit for latching a first address for selecting one of the M group driving circuits of the word line driver unit, and outputting the latched first address to the word line driver unit; and an address latch unit for latching a second address for selecting a unit driving circuit of the selected group driving circuit in the word line driver unit, and outputting a latched second address to the word line driver unit.

REFERENCES:
patent: 5815459 (1998-09-01), Park et al.
patent: 6009038 (1999-12-01), Koshizuka
patent: 6345012 (2002-02-01), Casper
patent: 6747909 (2004-06-01), Kang
patent: 10-2006-0087988 (2006-08-01), None
patent: 10-2007-0031776 (2007-03-01), None
Korean Notice of Allowance issued in Korean Patent Application No. 10-2007-0031981 dated Nov. 14, 2008.

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