Sense amplifier controlling circuit and controlling method

Details Sense amplifier controlling circuit and controlling method Sense amplifier controlling circuit and controlling method

2011-01-04

2011-01-04

Le, Vu A (Department: 2824)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S205000, C365S196000, C365S185210

Reexamination Certificate

active

07864610

ABSTRACT:
A sense amplifier controlling circuit for controlling a sense amplifier in a semiconductor memory, which amplifies differential electric potential of a pair of bit lines to which memory cells are connected by sequentially operating a CMOS flip-flop and a preamplifier performing an amplification operation different from each other, controls the sense amplifier, and activate the preamplifier at an early operation stage of the CMOS flip-flop and the preamplifier independently of activation of the CMOS flip-flop during the amplification operation of the CMOS flip-flop.

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