JP5381864B2 - フラッシュメモリ用電源装置 - Google Patents
フラッシュメモリ用電源装置 Download PDFInfo
- Publication number
- JP5381864B2 JP5381864B2 JP2010078412A JP2010078412A JP5381864B2 JP 5381864 B2 JP5381864 B2 JP 5381864B2 JP 2010078412 A JP2010078412 A JP 2010078412A JP 2010078412 A JP2010078412 A JP 2010078412A JP 5381864 B2 JP5381864 B2 JP 5381864B2
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- JP
- Japan
- Prior art keywords
- flash memory
- power supply
- transformer
- voltage
- capacitor
- 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.)
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- 230000015654 memory Effects 0.000 title claims description 59
- 239000003990 capacitor Substances 0.000 claims description 22
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Description
2 電圧発生装置
3 フラッシュメモリ
4 データバス
5 ダイオード
6 変圧部
7 コンデンサ
8 電流制限抵抗
9 ダイオード
10 制御部
11 選択部
Claims (1)
- フラッシュメモリが搭載される電子装置に組み込まれるフラッシュメモリ用電源装置において、
電圧発生装置が発生した電圧を変圧して前記フラッシュメモリへ出力する変圧部と、前記フラッシュメモリへのアクセスを制御するとともに前記変圧部の起動または停止を制御する制御部と、コンデンサとを備え、前記制御部は、前記フラッシュメモリが搭載される前記電子装置がオンされたときに所定期間だけ前記変圧部を停止後、前記変圧部を起動させ、その後に前記コンデンサが十分に電荷を蓄積できる充電時間の経過後に前記フラッシュメモリへのアクセスを行うことを特徴とするフラッシュメモリ用電源装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010078412A JP5381864B2 (ja) | 2010-03-30 | 2010-03-30 | フラッシュメモリ用電源装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010078412A JP5381864B2 (ja) | 2010-03-30 | 2010-03-30 | フラッシュメモリ用電源装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011210322A JP2011210322A (ja) | 2011-10-20 |
JP2011210322A5 JP2011210322A5 (ja) | 2013-05-02 |
JP5381864B2 true JP5381864B2 (ja) | 2014-01-08 |
Family
ID=44941212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010078412A Active JP5381864B2 (ja) | 2010-03-30 | 2010-03-30 | フラッシュメモリ用電源装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5381864B2 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3816788B2 (ja) * | 2001-11-22 | 2006-08-30 | 株式会社東芝 | 不揮発性半導体記憶装置 |
US6735117B2 (en) * | 2002-07-01 | 2004-05-11 | Honeywell International Inc. | Hold-up power supply for flash memory |
JP4284247B2 (ja) * | 2004-08-13 | 2009-06-24 | 株式会社東芝 | 不揮発性半導体記憶装置 |
-
2010
- 2010-03-30 JP JP2010078412A patent/JP5381864B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2011210322A (ja) | 2011-10-20 |
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