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booster system

A technology of booster and charge boosting, applied in control/regulating systems, instruments, regulating electrical variables, etc., can solve problems such as long set-up time leakage current

Active Publication Date: 2016-03-02
MACRONIX INT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, the settling time required for an active booster becomes longer due to the leakage current from the internal nodes of an active booster

Method used

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Embodiment Construction

[0054] figure 1 A circuit block schematic diagram of a charge booster system is shown.

[0055] The standby charge booster system is selectively enabled to disable active charge boosters when there are no other pending operations, such as read operations in response to a read command. The standby leakage is from the output of the standby charge booster, the output of the active charge booster, and the output of the overall charge booster combining the output of the standby charge booster and the output of the active charge booster.

[0056] If the output voltage of the overall charge booster decreases due to leakage, it will be detected by the booster detection circuit. In response to this detection, the boost detection circuit periodically sends an "enable boost" control signal to the standby charge booster. The standby charge booster can be enabled or disabled in various embodiments when set in response to a read command. In embodiments where an active charge booster is a...

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Abstract

The invention discloses a charge voltage booster device which comprises a first charge voltage booster. The first charge voltage booster has a plurality of charge voltage booster stages which are arranged in series. A between-stage node between adjacent stages carries out voltage boosting through a second charge voltage booster. The invention further discloses a method, and the time sequence of the charge voltage booster stages is controlled by at least one order clock signal. An order clock and order data are transmitted between an integrated circuit with the charge voltage boosters and an external circuit.

Description

technical field [0001] The present invention relates to a charge booster system and a charge booster clock. Background technique [0002] A four-phase charge booster system is an effective design to address critical voltage related power supply efficiency. Such a four-phase charge booster system requires a relatively long settling time, which is usually more demanding at faster operating speeds. [0003] An important functional requirement of a memory integrated circuit is that the time interval between receiving a command for a read operation and actually executing the read operation must be very short. After the integrated circuit receives a command for a read operation, it takes the setup time of the four-phase charge booster system and the additional setup time of starting the active booster. The setup time of the multiphase clocks nearly uses up the available setup time of the effective booster. Also, the settling time required for an active booster becomes longer du...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/158
Inventor 林永丰吴柏璋萧增辉
Owner MACRONIX INT CO LTD