Semiconductor memory device and control method thereof

Details Semiconductor memory device and control method thereof Semiconductor memory device and control method thereof

2009-04-24

2011-10-11

Elms, Richard (Department: 2824)

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

C365S163000, C365S189090, C365S230060

Reexamination Certificate

active

08036057

ABSTRACT:
A semiconductor memory device (and control method therefor) includes a plurality of word lines, a plurality of bit lines, a plurality of memory cells arranged at intersections of the word lines and the bit lines, a word driver that selects any one of the word lines, a plurality of sense amplifiers connectable to any of the bit lines, a sense-amplifier starting circuit that sequentially starts the sense amplifiers in response to a request of consecutive read operations to the memory cells connected to a predetermined word line, in a state that the predetermined word line is selected by the word driver, and an address determining circuit that temporarily stops an operation of the sense-amplifier starting circuit in response to a request of consecutive read operations to a same memory cell connected to a predetermined word line, in a state that the predetermined word line is selected by the word driver.

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