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US 7,606,088 B2Granted
Sense amplifier circuit
AssigneeMicron Technology, Inc.
InventorChul Min Jung
Life of this patent
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Abstract
The disclosed embodiments relate to an equalization circuit, which may include a first sense amplifier having an input, the input being electrically isolated from an input to a second sense amplifier. An equalizer may be connected to the input to the first sense amplifier to provide an equalizing voltage to the input to the first sense amplifier. The input to the first sense amplifier may be equalized by the equalizing voltage independent from the input to the second sense amplifier.
Claims16
A method of sensing a data value, comprising:
- precharging a first segment of a bitline to a voltage level between voltages corresponding to logical low and logical high values;
- transmitting a signal corresponding to a data value from a second segment of the bitline to the first segment of the bitline;
- and
- preventing current from flowing between the first segment and the second segment of the bitline;
- wherein transmitting a signal comprises passing a signal through a capacitor coupled in series to the first segment and the second segment.
2 more elements
A method of sensing a data value, comprising:
- precharging a short bitline by a first equalizer;
- and
- precharging a long bitline by a second equalizer, wherein the long bitline and the short bitline are capacitively coupled to one another through a capacitor.
A method of sensing a data value, comprising:
- storing data in a memory cell associated with a sense amplifier circuit;
- precharging a short bitline associated with the sense amplifier circuit in isolation from a long bitline associated with the sense amplifier circuit, wherein the short bitline and long bitline are coupled in series;
- and
- reading data from the sense amplifier circuit;
- wherein the short bitline is capacitively isolated from the long bitline.
2 more elements
Dependencies are inferred from the claim text.