DE2855342C2 - - Google Patents
Info
- Publication number
- DE2855342C2 DE2855342C2 DE2855342A DE2855342A DE2855342C2 DE 2855342 C2 DE2855342 C2 DE 2855342C2 DE 2855342 A DE2855342 A DE 2855342A DE 2855342 A DE2855342 A DE 2855342A DE 2855342 C2 DE2855342 C2 DE 2855342C2
- Authority
- DE
- Germany
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/35—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
- H03K3/352—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region the devices being thyristors
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/39—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using thyristors or the avalanche or negative resistance type, e.g. PNPN, SCR, SCS, UJT
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/41—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
- G11C11/411—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger using bipolar transistors only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Static Random-Access Memory (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52152896A JPS5815878B2 (ja) | 1977-12-21 | 1977-12-21 | 記憶回路 |
JP15786477A JPS5491029A (en) | 1977-12-28 | 1977-12-28 | Memory circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2855342A1 DE2855342A1 (de) | 1979-07-05 |
DE2855342C2 true DE2855342C2 (US08158827-20120417-C00028.png) | 1987-05-14 |
Family
ID=26481678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782855342 Granted DE2855342A1 (de) | 1977-12-21 | 1978-12-21 | Speicherschaltung |
Country Status (3)
Country | Link |
---|---|
US (1) | US4288862A (US08158827-20120417-C00028.png) |
CA (1) | CA1114502A (US08158827-20120417-C00028.png) |
DE (1) | DE2855342A1 (US08158827-20120417-C00028.png) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4979170A (en) * | 1988-01-19 | 1990-12-18 | Qualcomm, Inc. | Alternating sequential half duplex communication system |
GB2247550B (en) * | 1990-06-29 | 1994-08-03 | Digital Equipment Corp | Bipolar transistor memory cell and method |
US5251173A (en) * | 1991-02-06 | 1993-10-05 | International Business Machines Corporation | High-speed, low DC power, PNP-loaded word line decorder/driver circuit |
US5289407A (en) * | 1991-07-22 | 1994-02-22 | Cornell Research Foundation, Inc. | Method for three dimensional optical data storage and retrieval |
US5472759A (en) * | 1993-12-16 | 1995-12-05 | Martin Marietta Corporation | Optical volume memory |
US9537478B2 (en) * | 2014-03-06 | 2017-01-03 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3364362A (en) * | 1963-10-07 | 1968-01-16 | Bunker Ramo | Memory selection system |
US3375502A (en) * | 1964-11-10 | 1968-03-26 | Litton Systems Inc | Dynamic memory using controlled semiconductors |
US3740730A (en) * | 1971-06-30 | 1973-06-19 | Ibm | Latchable decoder driver and memory array |
US4031413A (en) * | 1975-01-10 | 1977-06-21 | Hitachi, Ltd. | Memory circuit |
-
1978
- 1978-12-19 US US05/971,109 patent/US4288862A/en not_active Expired - Lifetime
- 1978-12-20 CA CA318,288A patent/CA1114502A/en not_active Expired
- 1978-12-21 DE DE19782855342 patent/DE2855342A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
US4288862A (en) | 1981-09-08 |
CA1114502A (en) | 1981-12-15 |
DE2855342A1 (de) | 1979-07-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAP | Request for examination filed | ||
OD | Request for examination | ||
8127 | New person/name/address of the applicant |
Owner name: HITACHI, LTD. NIPPON TELEGRAPH AND TELEPHONE CORP. |
|
8128 | New person/name/address of the agent |
Representative=s name: BEETZ SEN., R., DIPL.-ING. BEETZ JUN., R., DIPL.-I |
|
8181 | Inventor (new situation) |
Free format text: OHHINATA, ICHIRO SUZUKI, HIDEO OHKOSHI, SEIEI, YOKOHAMA, JP |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |