Data bus power-reduced semiconductor storage apparatus

Details Data bus power-reduced semiconductor storage apparatus Data bus power-reduced semiconductor storage apparatus

2008-01-10

2010-06-29

Tran, Michael T (Department: 2827)

Static information storage and retrieval

Read/write circuit

Data transfer circuit

C365S196000

Reexamination Certificate

active

07746710

ABSTRACT:
In one or more of the disclosed embodiments, the number of times toggle operations of a data bus are performed at the time of a data transmission in a semiconductor storage apparatus is reduced, thereby reducing the power consumption. For example, a semiconductor storage apparatus according to one embodiment of the present invention comprises a DRF bus, a DR11F bus, a GDRF bus and a GDR11F bus. The DRF bus and DR11F bus, and the GDRF bus and GDR11F bus, are placed in parallel for the purpose of reducing the number of times toggle operations of a data bus are performed at the time of a data transmission. The DR11F bus is added to make the DRF11F bus perform a toggle operation only when the DRF buses on both sides are made to perform a toggle operation if the data transmission were performed in a conventional system.

REFERENCES:
patent: 6275503 (2001-08-01), Driscoll
patent: 6859409 (2005-02-01), Hwang
patent: 2008/0155150 (2008-06-01), Prete et al.
patent: 2005-100583 (2005-04-01), None

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