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US 2013/0155777 A1Published application
Current sensing type sense amplifier and method thereof
AssigneeMacronix International Co., Ltd.
InventorsChung-Kuang Chen, Han-Sung Chen, Chun-Hsiung Hung
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Abstract
The configurations of sense amplifier and methods thereof are provided. The proposed sense amplifier includes a switch circuit having a main control switch, a sensing switch and a holding switch, wherein the three switches have a first bias, a second bias and a third bias respectively, and an auxiliary control switch electrically connected to the holding switch to control an operation of the holding switch.
Claims17
A sense amplifier, comprising:
- a first switch having a first terminal, a second terminal and a control terminal receiving a first bias;
- a second switch having a first terminal electrically connected to the first terminal of the first switch, a second terminal and a control terminal receiving a second bias;
- a third switch having a first terminal, a second terminal electrically connected to the first terminal of the first switch and a control terminal receiving a third bias;
- a holding path including the second switch;
- and
- a fourth switch controlling a turn-on and a turn-off of the holding path and having a first terminal electrically connected to the second terminal of the second switch, a second terminal and a control terminal receiving a sensing signal.
3 more elements
A sense amplifier, comprising:
- a switch circuit having a main control switch, a sensing switch and a holding switch, wherein the three switches have a first bias, a second bias, and a third bias respectively;
- and
- an auxiliary control switch electrically connected to the holding switch to control an operation of the holding switch.
A method for a sense amplifier, comprising steps of:
- forming a holding path including a main control switch and a holding switch;
- and
- providing an auxiliary control switch to control a turn-on and a turn-off of the holding path.
Dependencies are inferred from the claim text.