System and Method for Operating a Semiconductor Memory
First Claim
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1. A method for operating a semiconductor memory cell, the method comprising applying a first voltage to the memory cell, wherein the first voltage comprises dependencies on semiconductor process variation and on temperature, and wherein the dependencies keep the memory cell in a stable region of operation.
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Abstract
A method for operating a semiconductor memory cell is disclosed. A first voltage is applied to the memory cell. The first voltage is dependent on temperature and semiconductor process variation in a manner that keeps the memory cell in a stable region of operation.
18 Citations
28 Claims
- 1. A method for operating a semiconductor memory cell, the method comprising applying a first voltage to the memory cell, wherein the first voltage comprises dependencies on semiconductor process variation and on temperature, and wherein the dependencies keep the memory cell in a stable region of operation.
- 13. A method of operating a semiconductor memory cell, the method comprising reading the memory cell, the reading comprising applying a compensated voltage to a word line of the memory cell, the compensated voltage being less than or equal to a reference voltage, wherein the compensated voltage is proportional to a MOS threshold voltage.
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20. A memory system comprising:
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a memory cell coupled to a word line; a voltage reference comprising at least one diode-connected MOS transistor, the at least one diode-connected MOS transistor comprising a gate and a drain, wherein the gate is electrically coupled to the drain; and a word line driver coupled to the voltage reference, the word line driver comprising an output coupled to the word line. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
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Specification