IT1188950B - Perfezionamento nei sistemi di memoria statici ad accesso casuale non volatili - Google Patents
Perfezionamento nei sistemi di memoria statici ad accesso casuale non volatiliInfo
- Publication number
- IT1188950B IT1188950B IT49575/80A IT4957580A IT1188950B IT 1188950 B IT1188950 B IT 1188950B IT 49575/80 A IT49575/80 A IT 49575/80A IT 4957580 A IT4957580 A IT 4957580A IT 1188950 B IT1188950 B IT 1188950B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- random access
- access memory
- static random
- memory systems
- Prior art date
Links
- 230000003068 static effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/30—Power supply circuits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C14/00—Digital stores characterised by arrangements of cells having volatile and non-volatile storage properties for back-up when the power is down
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C5/00—Details of stores covered by group G11C11/00
- G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
- G11C5/145—Applications of charge pumps; Boosted voltage circuits; Clamp circuits therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0214—Particular design considerations for integrated circuits for internal polarisation, e.g. I2L
- H01L27/0218—Particular design considerations for integrated circuits for internal polarisation, e.g. I2L of field effect structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7391—Gated diode structures
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Static Random-Access Memory (AREA)
- Dram (AREA)
- Semiconductor Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/071,498 US4326134A (en) | 1979-08-31 | 1979-08-31 | Integrated rise-time regulated voltage generator systems |
US06/071,499 US4263664A (en) | 1979-08-31 | 1979-08-31 | Nonvolatile static random access memory system |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8049575A0 IT8049575A0 (it) | 1980-08-29 |
IT8049575A1 IT8049575A1 (it) | 1982-03-01 |
IT1188950B true IT1188950B (it) | 1988-01-28 |
Family
ID=26752295
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49575/80A IT1188950B (it) | 1979-08-31 | 1980-08-29 | Perfezionamento nei sistemi di memoria statici ad accesso casuale non volatili |
IT49574/80A IT1143098B (it) | 1979-08-31 | 1980-08-29 | Perfezionamento nei sistemi elettronici a circuito integrato generatori di tensione con tempo di salita regolato |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49574/80A IT1143098B (it) | 1979-08-31 | 1980-08-29 | Perfezionamento nei sistemi elettronici a circuito integrato generatori di tensione con tempo di salita regolato |
Country Status (3)
Country | Link |
---|---|
GB (3) | GB2061045B (it) |
IT (2) | IT1188950B (it) |
NL (2) | NL8004852A (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4488060A (en) * | 1979-01-24 | 1984-12-11 | Xicor, Inc. | High voltage ramp rate control systems |
JPS57192067A (en) * | 1981-05-22 | 1982-11-26 | Hitachi Ltd | Erasable and programmable read only memory unit |
US4481566A (en) * | 1983-04-04 | 1984-11-06 | International Business Machines Corporation | On chip charge trap compensated high voltage converter |
IT1215224B (it) * | 1983-08-04 | 1990-01-31 | Ates Componenti Elettron | Microcalcolatore a struttura integrata munito di memoria ram non volatile. |
JPS61117915A (ja) * | 1984-11-13 | 1986-06-05 | Fujitsu Ltd | 遅延回路 |
JPS63290159A (ja) * | 1987-05-20 | 1988-11-28 | Matsushita Electric Ind Co Ltd | 昇圧回路 |
JP2645417B2 (ja) * | 1987-09-19 | 1997-08-25 | 富士通株式会社 | 不揮発性メモリ装置 |
NL8800287A (nl) * | 1988-02-08 | 1989-09-01 | Philips Nv | Geheugenschakeling met een uitwisbaar programmeerbaar geheugen, generator voor het opwekken van een programmeerspanning voor het geheugen, spanningsregelaar en flankregelaar, beide geschikt voor toepassing in de generator, en een diode-element. |
FR2776838B1 (fr) * | 1998-03-26 | 2003-06-13 | Sgs Thomson Microelectronics | Procede de fabrication d'une diode de type zener a seuil variable |
-
1980
- 1980-08-27 NL NL8004852A patent/NL8004852A/nl not_active Application Discontinuation
- 1980-08-27 NL NL8004857A patent/NL8004857A/nl not_active Application Discontinuation
- 1980-08-28 GB GB8027809A patent/GB2061045B/en not_active Expired
- 1980-08-28 GB GB8027789A patent/GB2058502B/en not_active Expired
- 1980-08-29 IT IT49575/80A patent/IT1188950B/it active
- 1980-08-29 IT IT49574/80A patent/IT1143098B/it active
-
1983
- 1983-02-03 GB GB08302987A patent/GB2125215B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2061045B (en) | 1984-06-20 |
GB2125215B (en) | 1984-08-22 |
IT1143098B (it) | 1986-10-22 |
GB8302987D0 (en) | 1983-03-09 |
IT8049575A0 (it) | 1980-08-29 |
GB2061045A (en) | 1981-05-07 |
GB2058502A (en) | 1981-04-08 |
GB2125215A (en) | 1984-02-29 |
IT8049574A0 (it) | 1980-08-29 |
GB2058502B (en) | 1984-02-08 |
NL8004852A (nl) | 1981-03-03 |
NL8004857A (nl) | 1981-03-03 |
IT8049575A1 (it) | 1982-03-01 |
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