GB1246891A - Read-only memory - Google Patents
Read-only memoryInfo
- Publication number
- GB1246891A GB1246891A GB5259369A GB5259369A GB1246891A GB 1246891 A GB1246891 A GB 1246891A GB 5259369 A GB5259369 A GB 5259369A GB 5259369 A GB5259369 A GB 5259369A GB 1246891 A GB1246891 A GB 1246891A
- Authority
- GB
- United Kingdom
- Prior art keywords
- read
- sectors
- columns
- diodes
- terminals
- 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.)
- Expired
Links
- 239000011159 matrix material Substances 0.000 abstract 2
- 239000004020 conductor Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
- G11C17/06—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using diode elements
Landscapes
- Semiconductor Memories (AREA)
- Read Only Memory (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77471968A | 1968-11-12 | 1968-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1246891A true GB1246891A (en) | 1971-09-22 |
Family
ID=25102058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5259369A Expired GB1246891A (en) | 1968-11-12 | 1969-10-27 | Read-only memory |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5545998B1 (enrdf_load_stackoverflow) |
BE (1) | BE740906A (enrdf_load_stackoverflow) |
DE (1) | DE1955490B2 (enrdf_load_stackoverflow) |
FR (1) | FR2023105A1 (enrdf_load_stackoverflow) |
GB (1) | GB1246891A (enrdf_load_stackoverflow) |
NL (1) | NL6916625A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1318522A3 (en) * | 2001-12-10 | 2004-02-18 | Hewlett-Packard Company | Memory devices |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1560661A (en) * | 1975-06-05 | 1980-02-06 | Tokyo Shibaura Electric Co | Matrix circuits |
DE19816508A1 (de) | 1998-04-14 | 1999-10-21 | Asea Brown Boveri | Abbrandschaltanordnung |
-
1969
- 1969-10-25 JP JP8502469A patent/JPS5545998B1/ja active Pending
- 1969-10-27 GB GB5259369A patent/GB1246891A/en not_active Expired
- 1969-10-28 BE BE740906D patent/BE740906A/xx unknown
- 1969-11-04 NL NL6916625A patent/NL6916625A/xx unknown
- 1969-11-04 DE DE19691955490 patent/DE1955490B2/de not_active Ceased
- 1969-11-12 FR FR6938789A patent/FR2023105A1/fr active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1318522A3 (en) * | 2001-12-10 | 2004-02-18 | Hewlett-Packard Company | Memory devices |
Also Published As
Publication number | Publication date |
---|---|
DE1955490B2 (de) | 1973-06-14 |
JPS5545998B1 (enrdf_load_stackoverflow) | 1980-11-20 |
DE1955490A1 (de) | 1970-11-19 |
BE740906A (enrdf_load_stackoverflow) | 1970-04-01 |
NL6916625A (enrdf_load_stackoverflow) | 1970-05-14 |
FR2023105A1 (enrdf_load_stackoverflow) | 1970-08-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4122546A (en) | MOS Semiconductor storage module | |
GB1532278A (en) | Data processing system and memory module therefor | |
GB1468783A (en) | Memory systems | |
GB1163207A (en) | Content Addressable Memory with Means for Masking Stored Information | |
GB1486032A (en) | Associative data storage array | |
GB1246891A (en) | Read-only memory | |
GB1155479A (en) | Associative Data Processing System | |
GB1323632A (en) | Memory accessing arrangement | |
EP0276110A3 (en) | Semiconductor memory device | |
US3806896A (en) | Reduced access terminal memory system | |
US3548386A (en) | Associative memory | |
GB1302105A (enrdf_load_stackoverflow) | ||
US3416143A (en) | Read-only memory system | |
GB850845A (en) | Magnetic memory device | |
GB1236274A (en) | A scanning circuit for a telephone switching system | |
KR850001614A (ko) | Eeprom형 메모리 시스템 | |
JPS60121588A (ja) | デイジタル符号検出回路 | |
GB1259353A (enrdf_load_stackoverflow) | ||
GB1025838A (en) | Improvements relating to data storage systems | |
SU402061A1 (ru) | Матричное феррит-диодное устройство | |
US3483536A (en) | Coincident memory device with no separate inhibit or sensing line | |
EP0232949A3 (en) | word-organised, content-addressable memory | |
US3631407A (en) | Character memory of reduced size | |
GB1197268A (en) | Associative Memory | |
GB948645A (en) | Improvements in or relating to reading circuit arrangements for use in magnetic coreinformation stores |