CN110827866A - 一种eeprom上电读写保护电路 - Google Patents
一种eeprom上电读写保护电路 Download PDFInfo
- Publication number
- CN110827866A CN110827866A CN201911067944.XA CN201911067944A CN110827866A CN 110827866 A CN110827866 A CN 110827866A CN 201911067944 A CN201911067944 A CN 201911067944A CN 110827866 A CN110827866 A CN 110827866A
- Authority
- CN
- China
- Prior art keywords
- power
- input
- read
- eeprom
- gate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
- G11C5/148—Details of power up or power down circuits, standby circuits or recovery circuits
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Nonlinear Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911067944.XA CN110827866B (zh) | 2019-11-04 | 2019-11-04 | 一种eeprom上电读写保护电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911067944.XA CN110827866B (zh) | 2019-11-04 | 2019-11-04 | 一种eeprom上电读写保护电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110827866A true CN110827866A (zh) | 2020-02-21 |
CN110827866B CN110827866B (zh) | 2021-03-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201911067944.XA Active CN110827866B (zh) | 2019-11-04 | 2019-11-04 | 一种eeprom上电读写保护电路 |
Country Status (1)
Country | Link |
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CN (1) | CN110827866B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112489712A (zh) * | 2020-12-21 | 2021-03-12 | 中国电子科技集团公司第四十七研究所 | Eeprom编程周期控制电路 |
TWI726808B (zh) * | 2020-09-04 | 2021-05-01 | 新唐科技股份有限公司 | 欠壓鎖定電路及其操作方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0644658A2 (en) * | 1993-09-20 | 1995-03-22 | Fujitsu Limited | PLL Frequency synthesizer circuit |
CN1208878A (zh) * | 1997-06-25 | 1999-02-24 | 日本电气株式会社 | 系统的复位方法 |
CN1728931A (zh) * | 2004-07-29 | 2006-02-01 | 中兴通讯股份有限公司 | 低电压差分信号接收器的失效保护电路 |
CN201075737Y (zh) * | 2007-07-20 | 2008-06-18 | 忆正存储技术(深圳)有限公司 | 一种掉电保护电路 |
CN102122943A (zh) * | 2010-12-29 | 2011-07-13 | 山东华芯半导体有限公司 | 低功耗延时可编程的上电复位方法及电路 |
CN102761322A (zh) * | 2011-04-28 | 2012-10-31 | 飞兆半导体公司 | 上电复位电路及其复位方法 |
CN103532531A (zh) * | 2013-10-12 | 2014-01-22 | 中山大学 | 一种上电复位电路及方法 |
-
2019
- 2019-11-04 CN CN201911067944.XA patent/CN110827866B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0644658A2 (en) * | 1993-09-20 | 1995-03-22 | Fujitsu Limited | PLL Frequency synthesizer circuit |
CN1208878A (zh) * | 1997-06-25 | 1999-02-24 | 日本电气株式会社 | 系统的复位方法 |
CN1728931A (zh) * | 2004-07-29 | 2006-02-01 | 中兴通讯股份有限公司 | 低电压差分信号接收器的失效保护电路 |
CN201075737Y (zh) * | 2007-07-20 | 2008-06-18 | 忆正存储技术(深圳)有限公司 | 一种掉电保护电路 |
CN102122943A (zh) * | 2010-12-29 | 2011-07-13 | 山东华芯半导体有限公司 | 低功耗延时可编程的上电复位方法及电路 |
CN102761322A (zh) * | 2011-04-28 | 2012-10-31 | 飞兆半导体公司 | 上电复位电路及其复位方法 |
CN103532531A (zh) * | 2013-10-12 | 2014-01-22 | 中山大学 | 一种上电复位电路及方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI726808B (zh) * | 2020-09-04 | 2021-05-01 | 新唐科技股份有限公司 | 欠壓鎖定電路及其操作方法 |
CN112489712A (zh) * | 2020-12-21 | 2021-03-12 | 中国电子科技集团公司第四十七研究所 | Eeprom编程周期控制电路 |
CN112489712B (zh) * | 2020-12-21 | 2023-07-18 | 中国电子科技集团公司第四十七研究所 | Eeprom编程周期控制电路 |
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Publication number | Publication date |
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CN110827866B (zh) | 2021-03-12 |
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Effective date of registration: 20240110 Address after: 518000 1104, Building A, Zhiyun Industrial Park, No. 13, Huaxing Road, Henglang Community, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen Hongyue Information Technology Co.,Ltd. Address before: 315211, Fenghua Road, Jiangbei District, Zhejiang, Ningbo 818 Patentee before: Ningbo University |
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Effective date of registration: 20250630 Address after: 710000 Shaanxi Province Xi'an City Xixang New District Fengdong New District Fengdong Avenue (East Section) 2196 No. Zizhi Xin Tian Di Chuangxing She C2504 Patentee after: Shaanxi Jierui Xicheng Electronics Co.,Ltd. Country or region after: China Address before: 518000 1104, Building A, Zhiyun Industrial Park, No. 13, Huaxing Road, Henglang Community, Longhua District, Shenzhen, Guangdong Province Patentee before: Shenzhen Hongyue Information Technology Co.,Ltd. Country or region before: China |