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US 11,114,154 B2Granted
Voltage retention techniques
AssigneeArm Limited
InventorsAmit Chhabra, Shanuj Garg
Life of this patent
Estimating the term…
Abstract
Various implementations described herein are directed to a device having voltage generator circuitry that provides a temperature-compensated voltage. The device may include amplifier circuitry that receives the temperature-compensated voltage from the voltage generator circuitry and provides an output voltage based on the temperature-compensated voltage. The device may include voltage retention circuitry that receives the output voltage from the amplifier circuitry and provides a retention voltage to memory based on the output voltage.
Claims19
A device, comprising:
- voltage generator circuitry comprising a chain of devices that provide a reference voltage and a temperature-compensated voltage, wherein a chain of fixed length devices of the chain of devices is arranged and configured to provide the reference voltage;
- amplifier circuitry that receives the temperature-compensated voltage and the reference voltage from the voltage generator circuitry and provides an output voltage based on the temperature-compensated voltage and the reference voltage;
- and
- voltage retention circuitry that receives the output voltage from the amplifier circuitry and provides a retention voltage to memory based on the output voltage.
1 more element
A device, comprising:
- voltage generator circuitry comprising a chain of devices that provides a temperature-compensated voltage;
- amplifier circuitry that receives the temperature-compensated voltage from the voltage generator circuitry and provides an output voltage based on the temperature-compensated voltage;
- and
- voltage retention circuitry that receives the output voltage from the amplifier circuitry and provides a retention voltage to memory based on the output voltage, wherein the chain of devices of the voltage generator circuitry comprises a chain of variable length devices that is arranged and configured to provide the temperature-compensated voltage.
1 more element
A device, comprising:
- voltage generator circuitry that provides a temperature-compensated voltage;
- amplifier circuitry that receives the temperature-compensated voltage from the voltage generator circuitry and provides an output voltage based on the temperature-compensated voltage;
- and
- voltage retention circuitry that receives the output voltage from the amplifier circuitry and provides a retention voltage to memory based on the output voltage, wherein the voltage retention circuitry has multiple devices including a switch device enabled by the output voltage and provides the retention voltage to the memory based on the output voltage.
1 more element
A system, comprising:
- a first voltage generator comprising a chain of fixed length devices that is configured to provide one or more reference voltages;
- a second voltage generator comprising a chain of devices that provide a temperature-compensated voltage;
- one or more amplifier stages that receive the one or more reference voltages from the first voltage generator, receive the temperature-compensated voltage from the second voltage generator, and provide one or more output voltages based on the one or more reference voltages and the temperature-compensated voltage;
- and
- one or more voltage retention stages that receive the one or more output voltages from the one or more amplifier stages and provide a retention voltage to memory based on the one or more output voltages.
2 more elements
A system, comprising:
- a first voltage generator that provides one or more reference voltages;
- a second voltage generator comprising a chain of devices that provides a temperature-compensated voltage;
- one or more amplifier stages that receive the one or more reference voltages from the first voltage generator, receive the temperature-compensated voltage from the second voltage generator, and provide one or more output voltages based on the one or more reference voltages and the temperature-compensated voltage;
- and
- one or more voltage retention stages that receive the one or more output voltages from the one or more amplifier stages and provide a retention voltage to memory based on the one or more output voltages, wherein
- the chain of devices of the second voltage generator comprises a chain of variable length devices configured to provide the temperature-compensated voltage.
3 more elements
A method of manufacturing an integrated circuit, comprising:
- fabricating a first voltage generator that provides a reference voltage;
- fabricating a second voltage generator comprising a chain of variable length devices that provide a temperature-compensated voltage for memory retention;
- fabricating an amplifier stage that receives the reference voltage from the first voltage generator, receives the temperature-compensated voltage from the second voltage generator, and provides an output voltage based on the reference voltage and the temperature-compensated voltage;
- and
- fabricating a retention stage that receives the output voltage from the amplifier stage and provides a retention voltage to memory based on the output voltage.
2 more elements
Dependencies are inferred from the claim text.