Static information storage and retrieval – Read/write circuit – Bad bit
Patent
1995-12-29
1996-11-26
Nguyen, Viet Q.
Static information storage and retrieval
Read/write circuit
Bad bit
365194, 36523001, 36523006, 36518909, 36518911, G11C 1140
Patent
active
055792685
ABSTRACT:
A semiconductor memory device for driving word lines at high speed has a word line signal generating circuit for receiving a predecoded signal of a row address, and power source supply circuit for supplying the output signal of the word line signal generating circuit to a word line as source power. The device includes a normal word line decoder for receiving the predecoded signal and the output signal of the power source supplying circuit, respectively and for selecting a normal word line; a spare word line decoder for receiving the predecoded signal and the output signal of the power source supply circuit, respectively and for selecting a spare word line; and a redundancy enabling circuit connected to the spare word line decoder and the normal word line decoder for determining whether the normal word line is selected.
REFERENCES:
patent: 5168468 (1992-12-01), Magome et al.
patent: 5276360 (1994-01-01), Fujime
patent: 5311472 (1994-05-01), Ota
patent: 5327381 (1994-07-01), Johnson et al.
patent: 5422850 (1995-06-01), Sukegawa et al.
Jang Tae-seong
Seo Dong-Il
Nguyen Viet Q.
Samsung Electronics Co,. Ltd.
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