Semiconductor memory device having low power consumption...

Details Semiconductor memory device having low power consumption... Semiconductor memory device having low power consumption...

2011-05-31

2011-05-31

Luu, Pho M (Department: 2824)

Static information storage and retrieval

Read/write circuit

Particular read circuit

C365S230030, C365S230060, C365S227000

Reexamination Certificate

active

07952943

ABSTRACT:
The present invention relates to a semiconductor memory device having a low power consumption type column decoder and read operation method thereof. In accordance with the semiconductor memory device and read operation method thereof according to the present invention, one of a plurality of decoding units of a column decoder is selectively operated according to a logic value(s) of one of some of bits of a column address signal. It is thus possible to reduce unnecessary switching current.

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patent: 6414530 (2002-07-01), Noda et al.
patent: 6515913 (2003-02-01), Kajigaya et al.
patent: 6529412 (2003-03-01), Chen et al.
patent: 6879523 (2005-04-01), James et al.

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