JPS5525220A - Substrate bias generation circuit - Google Patents
Substrate bias generation circuitInfo
- Publication number
- JPS5525220A JPS5525220A JP9731378A JP9731378A JPS5525220A JP S5525220 A JPS5525220 A JP S5525220A JP 9731378 A JP9731378 A JP 9731378A JP 9731378 A JP9731378 A JP 9731378A JP S5525220 A JPS5525220 A JP S5525220A
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- oscillation
- plus
- charge pump
- oscillator
- 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
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/205—Substrate bias-voltage generators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Sources (AREA)
- Semiconductor Integrated Circuits (AREA)
- Direct Current Feeding And Distribution (AREA)
- Logic Circuits (AREA)
Abstract
PURPOSE:To decrease the voltage fluctuation and the ripple by installing the oscillator featuring several units of oscillation output of different phases plus the charge pump circuit featuring several input. CONSTITUTION:Oscillator part A comprises the oscillation circuit consisting of capacitors C1 and C2, resistances Q1 and Q4 composed of the equivalent transistors plus each inverter of transistors Q2,Q3, and Q5,Q6 and Q7,Q8 each and the driving circuit comprising transistors Q9-Q14, Q17 and Q18 respectively. Thus the oscillation output featuring the opposite phases to each other are obtained at output terminals O3 and O4. The double-input charge pump circuit consists of the two sets of circuits comprising capacitor C3, transistors Q15 and Q16, capacitor C4 plus transistors Q19 and Q20 each. And the charge pump charges twice load capacitor C5 alternately in one cycle of the oscillator's oscillation, and as a result the cycle charging C5 can be reduced down to 1/2 oscillation cycle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9731378A JPS5525220A (en) | 1978-08-11 | 1978-08-11 | Substrate bias generation circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9731378A JPS5525220A (en) | 1978-08-11 | 1978-08-11 | Substrate bias generation circuit |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60071099A Division JPS60246659A (en) | 1985-04-05 | 1985-04-05 | Bias generating circuit for substrate |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5525220A true JPS5525220A (en) | 1980-02-22 |
Family
ID=14188988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9731378A Pending JPS5525220A (en) | 1978-08-11 | 1978-08-11 | Substrate bias generation circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5525220A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4454431A (en) * | 1980-03-11 | 1984-06-12 | Siemens Aktiengesellschaft | Semiconductor circuit with a circuit part controlled by a substrate bias |
US4628215A (en) * | 1984-09-17 | 1986-12-09 | Texas Instruments Incorporated | Drive circuit for substrate pump |
US4720670A (en) * | 1986-12-23 | 1988-01-19 | International Business Machines Corporation | On chip performance predictor circuit |
JPS6316716A (en) * | 1986-07-09 | 1988-01-23 | Toshiba Corp | Boosting circuit |
US5493249A (en) * | 1993-12-06 | 1996-02-20 | Micron Technology, Inc. | System powered with inter-coupled charge pumps |
US5642073A (en) * | 1993-12-06 | 1997-06-24 | Micron Technology, Inc. | System powered with inter-coupled charge pumps |
-
1978
- 1978-08-11 JP JP9731378A patent/JPS5525220A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4454431A (en) * | 1980-03-11 | 1984-06-12 | Siemens Aktiengesellschaft | Semiconductor circuit with a circuit part controlled by a substrate bias |
US4628215A (en) * | 1984-09-17 | 1986-12-09 | Texas Instruments Incorporated | Drive circuit for substrate pump |
JPS6316716A (en) * | 1986-07-09 | 1988-01-23 | Toshiba Corp | Boosting circuit |
US4720670A (en) * | 1986-12-23 | 1988-01-19 | International Business Machines Corporation | On chip performance predictor circuit |
US5493249A (en) * | 1993-12-06 | 1996-02-20 | Micron Technology, Inc. | System powered with inter-coupled charge pumps |
US5642073A (en) * | 1993-12-06 | 1997-06-24 | Micron Technology, Inc. | System powered with inter-coupled charge pumps |
US6057725A (en) * | 1993-12-06 | 2000-05-02 | Micron Technology, Inc. | Protection circuit for use during burn-in testing |
US6255886B1 (en) | 1993-12-06 | 2001-07-03 | Micron Technology, Inc. | Method for protecting an integrated circuit during burn-in testing |
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