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Combined EEPROM/flash non-volatile memory circuit

A technology of memory circuit and flash memory, which is applied in the field of memory circuit and access memory circuit, and can solve problems such as large chip area

Active Publication Date: 2012-05-09
SK HYNIX INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, data that needs to be accessed on a relatively small unit basis usually occupies a larger chip area than data that only needs to be accessed on a relatively large unit basis

Method used

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  • Combined EEPROM/flash non-volatile memory circuit
  • Combined EEPROM/flash non-volatile memory circuit
  • Combined EEPROM/flash non-volatile memory circuit

Examples

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Embodiment Construction

[0013] It should be understood that the components of the embodiments generally described herein and shown in the drawings may be arranged and designed in many different configurations. Therefore, the following detailed description of the various embodiments shown in the drawings is not meant to limit the scope of the present disclosure, but merely represents the various embodiments. While the various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless otherwise indicated.

[0014] The described embodiments should be considered in all respects as illustrative only and not restrictive. The scope of the invention is, therefore, indicated by the appended claims rather than by this detailed description. All changes that come within the equivalent meaning and range of the claims are included in the scope of the claims.

[0015] Reference throughout this specification to features, advantages, or similar language does not imply t...

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Abstract

A non-volatile memory circuit includes memory rows and supporting circuits coupled to the memory rows, where at least one of the memory rows include at least one Electrically Erasable Programmable Read-Only Memory (EEPROM) memory element and at least one Flash memory element. The EEPROM and Flash elements are configured to share some of the supporting circuits and can be accessed in parallel.

Description

technical field [0001] Embodiments of the invention relate generally to electronic systems and methods, and more particularly to memory circuits and methods of accessing memory circuits. Background technique [0002] Nonvolatile memory circuits store data and retain the stored data even when the nonvolatile memory circuit is powered off. Data stored in a nonvolatile memory circuit generally includes data that needs to be accessed on a relatively small unit basis and data that only needs to be accessed on a relatively large unit basis. However, data that needs to be accessed on a relatively smaller unit basis generally occupies a larger chip area than data that only needs to be accessed on a relatively larger unit basis. It is therefore desirable to provide a memory circuit and method of operating a memory circuit that can accommodate data that needs to be accessed on a relatively small unit basis and only need to be accessed on a relatively large unit basis, using a reduced...

Claims

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Application Information

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IPC IPC(8): H01L27/115
CPCG11C16/08G11C16/14G11C16/0433
Inventor 森克·奥斯特敦克里斯托夫·汉斯·约阿西姆·加尔贝安德烈亚斯·嫩特维格尼尔斯·桑德斯费尔德
Owner SK HYNIX INC