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Nonvolatile memory with power switchover

A non-volatile, memory technology, used in static memory, read-only memory, information storage, etc., can solve problems such as limitations, achieve flexible selection, reduce power wiring, and optimize boot procedures.

Active Publication Date: 2018-01-26
WINBOND ELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since V DD With no proprietary control mechanism for variable input and output power supplies, system designers may be limited by power supply wiring, boot procedures, and latch-up effects

Method used

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  • Nonvolatile memory with power switchover
  • Nonvolatile memory with power switchover
  • Nonvolatile memory with power switchover

Examples

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Embodiment Construction

[0026] figure 1 is a block diagram of a non-volatile memory according to an embodiment of the present invention. Please refer to figure 1 , the nonvolatile memory 100 may include a first switch 110 , a second switch 120 , a switch controller 140 and a power demand device 130 . The nonvolatile memory 100 is, for example, a flash memory. The first switch includes a first terminal, a second terminal, a third terminal and a first control terminal. The second switch includes a fourth terminal, a fifth terminal, a sixth terminal and a second control terminal. The switch controller 140 is coupled to the first control terminal of the first switch 110 and the second control terminal of the second switch 120 for transmitting a first control signal C1 to the first switch 110 to control the connection of the third terminal to the second switch 120. One terminal or the second terminal, and transmit the second control signal C2 to the second switch 120 to control the fourth terminal to ...

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Abstract

The invention discloses a nonvolatile memory, which includes a first switch, a switch controller and a power supply demand device. The first switch includes a first terminal, a second terminal, a third terminal and a first control terminal. The nonvolatile memory may include a second switch having a fourth terminal, a fifth terminal, a sixth terminal and a second control terminal. The switch controller is coupled to the first control terminal of the first switch and the second control terminal of the second switch, and is used to transmit a first control signal to the first switch to control the connection of the third terminal to the first terminal or the second terminal. terminal, and transmit a second control signal to the second switch to control the connection of the fourth terminal to the fifth terminal or the sixth terminal. The power demand device receives a first voltage from the third terminal of the first switch, and transmits a second voltage to the fourth terminal of the second switch.

Description

technical field [0001] The invention relates to a nonvolatile memory with power switching function. Background technique [0002] In the existing technical field, flash memory needs to be independent of V DD The power wiring to supply power to the input and output buffers (Input / Output Buffers) and drivers. Since this independent supply can be lower or higher than V DD , which can be called a variable input and output power supply. Host systems using flash memory can use this variable input and output power supply to set acceptable voltage levels for input and output ports in the system. However, since V DD With no proprietary control mechanism for variable input and output power supplies, system designers may be limited by power supply routing, boot procedures, and latch-up effects. Contents of the invention [0003] In view of this, the object of the present invention is to provide a non-volatile memory with power switching function, which can switch power according...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11C16/30
Inventor 柳弼相
Owner WINBOND ELECTRONICS CORP
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