Smart memory read out for power saving

Details Smart memory read out for power saving Smart memory read out for power saving

2007-10-02

2007-10-02

Le, Thong Q. (Department: 2827)

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

C365S205000, C365S196000, C365S233100

Reexamination Certificate

active

10876802

ABSTRACT:
A method and a circuit are given, to implement and realize power saving Sense Electronics Endowed (SEE) memory using modified memory read cycles, named as Smart Memory Readout (SMR). In an SMR-mode read cycle, the memory is only active a small fraction of a clock cycle thus saving power. In this small fraction where the memory is enabled by SMR-mode read, the memory content is read to a shadow register and held until read by the microcontroller. Said circuit and method are designed in order to be implemented with a very economic number of components, capable to be realized with modern integrated circuit technologies.

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patent: 6008821 (1999-12-01), Bright et al.
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patent: 6510095 (2003-01-01), Matsuzaki et al.
patent: 2003/0081487 (2003-05-01), Mizugaki
patent: 2004/0044921 (2004-03-01), Sakaino et al.
patent: 2004/0114440 (2004-06-01), Shu et al.

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