JP2006172678A5 - - Google Patents
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- JP2006172678A5 JP2006172678A5 JP2004382472A JP2004382472A JP2006172678A5 JP 2006172678 A5 JP2006172678 A5 JP 2006172678A5 JP 2004382472 A JP2004382472 A JP 2004382472A JP 2004382472 A JP2004382472 A JP 2004382472A JP 2006172678 A5 JP2006172678 A5 JP 2006172678A5
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- operating voltage
- sram
- low operating
- array
- ess
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Claims (25)
SRAMアレーは、複数の個々のSRAMセルを有し、各セルは、ワードラインによってローの周辺回路に接続され、ビットラインによってカラムの周辺回路に接続され、且つ、低動作電圧ノードに接続され、前記SRAMアレーは、高動作電圧ノードに接続されており、及び
前記SRAMセルのREAD動作またはWRITE動作の少なくとも一部の間、前記SRAMアレーの前記SRAMセルの前記低動作電圧ノードに増強された低動作電圧VESSを与えるアレーの低電圧制御回路を有し、前記増強された低動作電圧VESSは、デバイスファクタに従って異なった値に選択的に調整され、且つ低動作電圧VSSより高い値を有することを特徴とするSRAMデバイス。 An SRAM device,
The SRAM array has a plurality of individual SRAM cells, each cell connected to a low peripheral circuit by a word line, connected to a column peripheral circuit by a bit line, and connected to a low operating voltage node, The SRAM array is connected to a high operating voltage node, and is enhanced to the low operating voltage node of the SRAM cell of the SRAM array during at least a portion of a READ or WRITE operation of the SRAM cell. An array low voltage control circuit for providing an operating voltage V ESS , wherein the enhanced low operating voltage V ESS is selectively adjusted to a different value according to a device factor and is higher than the low operating voltage V SS An SRAM device comprising:
プロセスコーナ、
トランジスタのパラメータ、
動作のモード、及び
高い供給電圧の値
から成るグループから選択されたファクタに基づいて、前記増強された低動作電圧VESSを与えることを特徴とする請求項1に記載のSRAMデバイス。 The array low voltage control circuit is:
Process corners,
Transistor parameters,
Mode of operation, and higher supply based on the value factor selected from the group consisting of voltage, SRAM device according to claim 1, characterized in that providing a low operating voltage V ESS said enhanced.
ダイオード、
トランジスタ、
フューズ、
ROM、
電圧レギュレータ、及び
論理回路
から成るグループから選択された素子を用いて、前記増強された低動作電圧VESSを与えることを特徴とする請求項1に記載のSRAMデバイス。 The array low voltage control circuit is:
diode,
Transistor,
Fuse,
ROM,
The SRAM device of claim 1, wherein the enhanced low operating voltage V ESS is provided using a voltage regulator and an element selected from the group consisting of logic circuits.
集積回路においてSRAMアレーを用いるステップ;前記SRAMアレーは、複数の個々のSRAMセルを有し、各セルは、ワードラインによってローの周辺回路に接続され、ビットラインによってカラムの周辺回路に接続され、且つ、低動作電圧ノードに接続され、前記SRAMアレーは、高動作電圧ノードに接続されており、及び
アクティブモードの少なくとも一部の間、前記SRAMアレーの前記SRAMセルの前記低動作電圧ノードに増強された低動作電圧VESSを与えるステップ;
を有し、前記増強された低動作電圧VESSは、デバイスファクタに従って異なった値に選択的に調整され、且つ低動作電圧VSSより高い値を有することを特徴とする方法。 A method of operating an SRAM device, comprising:
Using an SRAM array in an integrated circuit; said SRAM array having a plurality of individual SRAM cells, each cell connected to a row peripheral circuit by a word line and connected to a column peripheral circuit by a bit line; And the SRAM array is connected to a high operating voltage node and is augmented to the low operating voltage node of the SRAM cell of the SRAM array during at least a portion of an active mode. the step of providing a low operating voltage V ESS that is;
The enhanced low operating voltage V ESS is selectively adjusted to a different value according to a device factor and has a value higher than the low operating voltage V SS .
プロセスコーナ、
トランジスタのパラメータ、
動作のモード、及び
高い供給電圧の値
から成るグループから選択されたファクタに基づいていることを特徴とする請求項9に記載の方法。 The giving step includes
Process corners,
Transistor parameters,
The method according to claim 9, characterized in that it is based on a mode selected from the group consisting of the mode of operation and the value of the high supply voltage.
ダイオード、
トランジスタ、
フューズ、
ROM、
電圧レギュレータ、及び
論理回路
から成るグループから選択された素子を用いるステップを含むことを特徴とする請求項9に記載の方法。 The giving step includes
diode,
Transistor,
Fuse,
ROM,
The method of claim 9, comprising using a voltage regulator and an element selected from the group consisting of logic circuits.
前記SRAMデバイスは、複数の個々のSRAMセルを有するSRAMアレー;各セルは、ワードラインによってローの周辺回路に接続され、ビットラインによってカラムの周辺回路に接続され、且つ、低動作電圧ノードに接続され、前記SRAMアレーは、高動作電圧ノードに接続されており、及び
増強された低動作電圧VESSが動作の少なくとも1つのモードの間前記SRAMアレーの前記SRAMセルの前記低動作電圧ノード上に発生されることを選択的に可能にするアレーの低電圧制御回路;
を有し、
前記増強された低動作電圧VESSは、低動作電圧VSSより高い電圧値を有し、且つ、前記動作の少なくとも1つのモードと異なる動作の他のモードの間、前記低動作電圧VSSは、前記SRAMアレーの前記SRAMセルの前記低動作電圧ノードに与えられることを特徴とする集積回路。 An integrated circuit having an SRAM device comprising:
The SRAM device has an SRAM array having a plurality of individual SRAM cells; each cell is connected to a peripheral circuit of a row by a word line, to a peripheral circuit of a column by a bit line, and to a low operating voltage node is, the SRAM array is connected to a high operating voltage node, and the of the SRAM cell between said SRAM array of enhanced low operating voltage V ESS at least one mode of operation to the low operating voltage on node An array low voltage control circuit that selectively enables generation;
Have
The enhanced low operating voltage V ESS has a voltage value higher than the low operating voltage V SS , and during other modes of operation different from at least one mode of the operation, the low operating voltage V SS is An integrated circuit being applied to the low operating voltage node of the SRAM cell of the SRAM array.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004382472A JP4851711B2 (en) | 2004-12-10 | 2004-12-10 | Static random access memory with reduced leakage current during active mode and method of operation thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004382472A JP4851711B2 (en) | 2004-12-10 | 2004-12-10 | Static random access memory with reduced leakage current during active mode and method of operation thereof |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006172678A JP2006172678A (en) | 2006-06-29 |
JP2006172678A5 true JP2006172678A5 (en) | 2010-04-08 |
JP4851711B2 JP4851711B2 (en) | 2012-01-11 |
Family
ID=36673233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004382472A Active JP4851711B2 (en) | 2004-12-10 | 2004-12-10 | Static random access memory with reduced leakage current during active mode and method of operation thereof |
Country Status (1)
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JP (1) | JP4851711B2 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62102498A (en) * | 1985-10-28 | 1987-05-12 | Toshiba Corp | Memory cell power source control circuit for static-type random access memory |
JPH11214962A (en) * | 1997-11-19 | 1999-08-06 | Mitsubishi Electric Corp | Semiconductor integrated circuit device |
JP2003123479A (en) * | 2001-10-12 | 2003-04-25 | Matsushita Electric Ind Co Ltd | Semiconductor memory |
JP4167458B2 (en) * | 2002-07-24 | 2008-10-15 | 松下電器産業株式会社 | Semiconductor memory device and semiconductor integrated circuit |
JP4388274B2 (en) * | 2002-12-24 | 2009-12-24 | 株式会社ルネサステクノロジ | Semiconductor memory device |
JP4290457B2 (en) * | 2003-03-31 | 2009-07-08 | 株式会社ルネサステクノロジ | Semiconductor memory device |
JP4101781B2 (en) * | 2004-03-23 | 2008-06-18 | 株式会社ルネサステクノロジ | Semiconductor integrated circuit device |
-
2004
- 2004-12-10 JP JP2004382472A patent/JP4851711B2/en active Active
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