Managing digitally-controlled charge pump operation in a memory sub-system
AssigneeMicron Technology, Inc.
InventorMichele Piccardi
Life of this patent
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Abstract
A first digitally-controlled pump voltage level is established for a charge pump coupled to a wordline of a memory device of a memory sub-system. A determination is made whether a measured digitally-controlled voltage level of the wordline and the first digitally-controlled pump voltage level satisfy a condition. In response to determining that the condition is satisfied, the first digitally-controlled pump voltage level applied to the charge pump is caused to change to a second digitally-controlled pump voltage level.
Claims20
A memory device comprising:
- a memory array;
- and
- control logic, operatively coupled with the memory array, to perform operations comprising:
- establishing, by a processing device, a first digitally-controlled pump voltage level of a charge pump coupled to a wordline associated with the memory array;
- determining that a measured digitally-controlled voltage level of the wordline and the first digitally-controlled pump voltage level satisfy a condition;
- and
- in response to determining that the condition is satisfied, generating an update signal causing the first digitally-controlled pump voltage level applied to the charge pump to change to a second digitally-controlled pump voltage level to establish a target wordline voltage level of the wordline.
A memory device comprising:
- a memory array;
- and
- control logic, operatively coupled with the memory array, to perform operations comprising:
- in response to a first condition associated with a first threshold level being satisfied, causing a first digitally-controlled pump voltage level applied to a charge pump to change to a second digitally-controlled pump voltage level;
- determining that a measured digitally-controlled voltage level associated with a wordline satisfies a second condition;
- and
- in response to determining that the condition is satisfied, causing a number of stages of the charge pump to increase from a first number of stages to a second number of stages to establish a target wordline voltage level of the wordline.
A non-transitory computer readable medium comprising instructions, which when executed by a processing device, cause the processing device to perform operations comprising:
- establishing a first digitally-controlled pump voltage level of a charge pump coupled to a wordline of a memory device;
- determining that a measured digitally-controlled voltage level of the wordline and the first digitally-controlled pump voltage level satisfy a condition;
- and
- in response to determining that the condition is satisfied, causing the first digitally-controlled pump voltage level applied to the charge pump to change to a second digitally-controlled pump voltage level to establish a target wordline voltage level of the wordline.
Dependencies are inferred from the claim text.