Static information storage and retrieval – Addressing – Particular decoder or driver circuit
Reexamination Certificate
2005-01-11
2005-01-11
Phung, Anh (Department: 2824)
Static information storage and retrieval
Addressing
Particular decoder or driver circuit
C365S230010
Reexamination Certificate
active
06842394
ABSTRACT:
A high-speed, reduced power consumption address decoder circuit, wherein a decoder control signal Φ2 is rendered unnecessary between an address buffer control signalΦ1 and the decoder control signal Φ2, thereby implementing speed-up in operation of a decoder circuit. Improved speed and reduced power consumption are attained by a configuration wherein a buffer is integrated with a decoder, so that an output current path of transistors making up the address buffer, and that of transistors making up the decoder are connected with each other in series, thereby forming an output current path of decoder output. With the invention, speed-up in operation, lower power consumption, and higher cycle, of decoder circuits, can be achieved. Further, in the case of using the decoder circuits in a semiconductor memory, it is possible to achieve shortening of access time, lower power consumption, and higher cycle with reference to the semiconductor memory.
REFERENCES:
patent: 4349895 (1982-09-01), Isogai
patent: 6243318 (2001-06-01), Yoshihara
patent: 6333645 (2001-12-01), Kanetani et al.
patent: 6337581 (2002-01-01), Kanetani et al.
patent: 10-150358 (1998-06-01), None
Kanetani Kazuo
Nambu Hiroaki
Hitachi ULSI Systems Co. Ltd.
Miles & Stockbridge P.C.
Phung Anh
Renesas Technology Corp.
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