JPS57195387A - Data lien precharging system of memory integrated circuit - Google Patents
Data lien precharging system of memory integrated circuitInfo
- Publication number
- JPS57195387A JPS57195387A JP56079199A JP7919981A JPS57195387A JP S57195387 A JPS57195387 A JP S57195387A JP 56079199 A JP56079199 A JP 56079199A JP 7919981 A JP7919981 A JP 7919981A JP S57195387 A JPS57195387 A JP S57195387A
- Authority
- JP
- Japan
- Prior art keywords
- precharging
- data line
- potential
- starting
- integrated circuit
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/12—Bit line control circuits, e.g. drivers, boosters, pull-up circuits, pull-down circuits, precharging circuits, equalising circuits, for bit lines
Abstract
PURPOSE:To minimize a delay time until the starting of the precharging of a data line and to realize a high-speed memory by detecting the potential of a word line and starting the precharging of the data line after the detected potential drops sufficiently. CONSTITUTION:When charge on a word line 10 is to be discharged where the charge remains most lastly, e.g. on the side of a word driver 11, the potential of the word line is detected at its farther end A. The obtained signal is used as the gate signal of a transistor (TR) Qs. While the word line 10 is at a high potential, the TR Qs turns on and no data line precharging signal is generated. When the data line potential drops sufficiently and becomes lower than a threshold level voltage, the TR Qs turns off and the data line precharging signal goes up to a high potential, thereby starting the precharging of the data line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56079199A JPS57195387A (en) | 1981-05-27 | 1981-05-27 | Data lien precharging system of memory integrated circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56079199A JPS57195387A (en) | 1981-05-27 | 1981-05-27 | Data lien precharging system of memory integrated circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57195387A true JPS57195387A (en) | 1982-12-01 |
Family
ID=13683289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56079199A Pending JPS57195387A (en) | 1981-05-27 | 1981-05-27 | Data lien precharging system of memory integrated circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57195387A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60247896A (en) * | 1984-05-23 | 1985-12-07 | Hitachi Ltd | Semiconductor device |
US4638462A (en) * | 1985-01-31 | 1987-01-20 | International Business Machines Corporation | Self-timed precharge circuit |
JPS62197990A (en) * | 1986-02-25 | 1987-09-01 | Mitsubishi Electric Corp | Semiconductor memory circuit |
US4722074A (en) * | 1984-10-31 | 1988-01-26 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor storage unit with I/O bus precharging and equalization |
JPH0194592A (en) * | 1987-10-06 | 1989-04-13 | Fujitsu Ltd | Semiconductor memory |
-
1981
- 1981-05-27 JP JP56079199A patent/JPS57195387A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60247896A (en) * | 1984-05-23 | 1985-12-07 | Hitachi Ltd | Semiconductor device |
US4722074A (en) * | 1984-10-31 | 1988-01-26 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor storage unit with I/O bus precharging and equalization |
US4638462A (en) * | 1985-01-31 | 1987-01-20 | International Business Machines Corporation | Self-timed precharge circuit |
JPS62197990A (en) * | 1986-02-25 | 1987-09-01 | Mitsubishi Electric Corp | Semiconductor memory circuit |
JPH0568798B2 (en) * | 1986-02-25 | 1993-09-29 | Mitsubishi Electric Corp | |
JPH0194592A (en) * | 1987-10-06 | 1989-04-13 | Fujitsu Ltd | Semiconductor memory |
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