Wordline enable circuit in semiconductor memory device and...

Details Wordline enable circuit in semiconductor memory device and... Wordline enable circuit in semiconductor memory device and...

2007-09-25

2007-09-25

Phung, Anh (Department: 2824)

Static information storage and retrieval

Addressing

Particular decoder or driver circuit

C365S222000

Reexamination Certificate

active

11320967

ABSTRACT:
There is provided a wordline enable circuit and its method for reducing power consumption by controlling a wordline select signal in a self-refresh mode. The wordline enable circuit includes a wordline control signal generating unit for outputting an untoggled wordline control signal while a unit wordline block is enabled in a self-refresh mode; a wordline enable signal generating unit for generating a wordline enable control signal, controlled by the untoggled wordline control signal and a toggled address signal, and a first to an n-th wordline enable power supply signals; and a wordline block enable unit for enabling each wordline, controlled by the wordline enable control signal and the first to the n-th wordline enable power supply signals.

REFERENCES:
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patent: 5602797 (1997-02-01), Kang
patent: 5818790 (1998-10-01), Kim et al.
patent: 5999471 (1999-12-01), Choi
patent: 7068559 (2006-06-01), Lee et al.
patent: 7206252 (2007-04-01), Kim
patent: 2002/0088960 (2002-07-01), Choi
patent: 2005/0093752 (2005-05-01), Cheng et al.
patent: 2006/0152992 (2006-07-01), Jung et al.
patent: 2003-297092 (2003-10-01), None

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