EP1336135A1 - Schaltungsanordnung zur erzeugung einer steuerbaren ausgangsspannung - Google Patents
Schaltungsanordnung zur erzeugung einer steuerbaren ausgangsspannungInfo
- Publication number
- EP1336135A1 EP1336135A1 EP01996777A EP01996777A EP1336135A1 EP 1336135 A1 EP1336135 A1 EP 1336135A1 EP 01996777 A EP01996777 A EP 01996777A EP 01996777 A EP01996777 A EP 01996777A EP 1336135 A1 EP1336135 A1 EP 1336135A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- voltage
- circuit arrangement
- signal
- logic device
- arrangement according
- 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
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/462—Regulating voltage or current wherein the variable actually regulated by the final control device is dc as a function of the requirements of the load, e.g. delay, temperature, specific voltage/current characteristic
- G05F1/465—Internal voltage generators for integrated circuits, e.g. step down generators
Definitions
- the logic device contains corresponding logic switching means in order to generate a control signal which switches off the supply voltage of the voltage generator when a single predetermined combination of signal states of the control signals is present at the logic device.
- the logic device includes a gate for performing a logical operation.
- One of the control signals is supplied to the gate of the logic device and to the switching network in a non-inverted manner.
- the rest of the control signals are inverted to the gate of the logic device, but are not fed to the switching network in an inverted manner or vice versa.
- the gate is preferably one which performs a NAND operation (NAND gate).
- the switching network preferably comprises a series connection of a number of resistors corresponding to the number of de.x control signals. Switches are arranged parallel to the resistors, each of which can be controlled by one of the control signals.
- the switches comprise, for example, two transistors of complementary conduction type, the controlled paths of which are connected in parallel and the control connections of which are controlled by complementary control signals derived from the respective control signal.
- the resistance values of the resistors behave proportionally to one another, ie the resistance values of the resistors differ from one another by a constant multiplicative factor over IV) H 1 P 1
- Figures 1A and 1B is a circuit diagram of the circuit arrangement according to the invention.
- FIG. 2 shows a detailed embodiment for the switching network shown in Figure 1.
- FIG. 1A shows a voltage generator 1, which generates the voltage VBB present at an output connection 11 from the supply voltage VSS, VINT present at the connections 15, 16.
- the supply voltage based on ground VSS is, for example, +2.5 volts.
- the output voltage VBB is, in contrast, a negative voltage, which has a value of at least -0.4 volts based on ground VSS.
- the output voltage VBB is used, for example, in a DRAM to negatively bias the substrate. It is thereby achieved that storage capacitors, one electrode of which is arranged in the substrate, are better insulated from one another.
- the voltage generator 1 is a so-called voltage pump, which generates the negative substrate bias voltage VBB from the supply voltage VINT by intermittent operation.
- P- sQ H S ⁇ co s: co ⁇ CO P- P- ⁇ ? ⁇ CQ d: d rt ⁇ o et 3 "• P- ⁇ I iQ od ß j : o P CO 1 P 1 rt ⁇ hi c ⁇ tr ⁇ H P- co EP ⁇ co P- P- ⁇ tu ⁇ 3 tu Pl O d 13 ⁇ 3
- the resistors 44, 45, 46 are proportional to one another.
- both levels of the substrate bias voltage VBB to be generated and the switched-off state of the voltage pump 1 can be set by only three control signals. All available signal states of the control signals are used to set the operating characteristics of the voltage pump 1. Only three signal lines on the semiconductor chip are required for this.
- the invention can be used particularly advantageously during the test of the semiconductor chip after its manufacture.
- the semiconductor chip is brought into a special test mode by applying a certain sequence of signals and commands, which is not permissible in normal operation and is generally unreachable, to the connections of the semiconductor chip.
- the test machine After switching to test mode, the test machine enters a command on the chip, which indicates that the ro p> P 1 o c ⁇ o C ⁇
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10056293A DE10056293A1 (de) | 2000-11-14 | 2000-11-14 | Schaltungsanordnung zur Erzeugung einer steuerbaren Ausgangsspannung |
DE10056293 | 2000-11-14 | ||
PCT/DE2001/003974 WO2002041096A1 (de) | 2000-11-14 | 2001-10-18 | Schaltungsanordnung zur erzeugung einer steuerbaren ausgangsspannung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1336135A1 true EP1336135A1 (de) | 2003-08-20 |
EP1336135B1 EP1336135B1 (de) | 2016-01-20 |
Family
ID=7663186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01996777.7A Expired - Lifetime EP1336135B1 (de) | 2000-11-14 | 2001-10-18 | Schaltungsanordnung zur erzeugung einer steuerbaren ausgangsspannung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6784650B2 (de) |
EP (1) | EP1336135B1 (de) |
KR (1) | KR100618064B1 (de) |
DE (1) | DE10056293A1 (de) |
TW (1) | TW556069B (de) |
WO (1) | WO2002041096A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5034379B2 (ja) | 2006-08-30 | 2012-09-26 | 富士通セミコンダクター株式会社 | 半導体メモリおよびシステム |
KR101525701B1 (ko) * | 2013-12-10 | 2015-06-03 | 삼성전기주식회사 | 출력 전압 제어 장치 및 이를 포함하는 전압 승압 장치 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2577897B2 (ja) * | 1986-10-31 | 1997-02-05 | 日本テキサス・インスツルメンツ 株式会社 | 定電圧電源回路 |
KR920010749B1 (ko) * | 1989-06-10 | 1992-12-14 | 삼성전자 주식회사 | 반도체 집적소자의 내부전압 변환회로 |
JPH06162772A (ja) * | 1992-11-25 | 1994-06-10 | Sharp Corp | 電源電圧降圧回路 |
US5907237A (en) * | 1996-11-27 | 1999-05-25 | Yamaha Corporation | Voltage dropping circuit and integrated circuit |
US6108804A (en) * | 1997-09-11 | 2000-08-22 | Micron Technology, Inc. | Method and apparatus for testing adjustment of a circuit parameter |
US5917311A (en) * | 1998-02-23 | 1999-06-29 | Analog Devices, Inc. | Trimmable voltage regulator feedback network |
DE19837153A1 (de) * | 1998-08-17 | 2000-03-02 | Micronas Intermetall Gmbh | Pulsweitenmodulierter Gleichspannungswandler |
DE19950541A1 (de) * | 1999-10-20 | 2001-06-07 | Infineon Technologies Ag | Spannungsgenerator |
FR2803400B1 (fr) * | 1999-12-29 | 2003-01-10 | St Microelectronics Sa | Dispositif de regulation |
FR2818761B1 (fr) * | 2000-12-27 | 2003-03-21 | St Microelectronics Sa | Dispositif et procede de regulation de tension |
-
2000
- 2000-11-14 DE DE10056293A patent/DE10056293A1/de not_active Withdrawn
-
2001
- 2001-10-18 WO PCT/DE2001/003974 patent/WO2002041096A1/de active IP Right Grant
- 2001-10-18 EP EP01996777.7A patent/EP1336135B1/de not_active Expired - Lifetime
- 2001-10-18 KR KR1020037006502A patent/KR100618064B1/ko not_active IP Right Cessation
- 2001-10-30 TW TW090126875A patent/TW556069B/zh not_active IP Right Cessation
-
2003
- 2003-05-14 US US10/438,362 patent/US6784650B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0241096A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20030205992A1 (en) | 2003-11-06 |
TW556069B (en) | 2003-10-01 |
DE10056293A1 (de) | 2002-06-06 |
EP1336135B1 (de) | 2016-01-20 |
US6784650B2 (en) | 2004-08-31 |
KR100618064B1 (ko) | 2006-08-30 |
WO2002041096A1 (de) | 2002-05-23 |
KR20030057552A (ko) | 2003-07-04 |
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