GB1239109A - - Google Patents
Info
- Publication number
- GB1239109A GB1239109A GB1239109DA GB1239109A GB 1239109 A GB1239109 A GB 1239109A GB 1239109D A GB1239109D A GB 1239109DA GB 1239109 A GB1239109 A GB 1239109A
- Authority
- GB
- United Kingdom
- Prior art keywords
- logic
- lines
- bits
- coupled
- memory
- 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
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
- G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
- G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
- G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
Landscapes
- Logic Circuits (AREA)
- Read Only Memory (AREA)
- Static Random-Access Memory (AREA)
- Dram (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78922669A | 1969-01-06 | 1969-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1239109A true GB1239109A (cg-RX-API-DMAC7.html) | 1971-07-14 |
Family
ID=25146976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1239109D Expired GB1239109A (cg-RX-API-DMAC7.html) | 1969-01-06 | 1969-11-24 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3576548A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS505537B1 (cg-RX-API-DMAC7.html) |
| DE (1) | DE1964911A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2030123A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1239109A (cg-RX-API-DMAC7.html) |
| NL (1) | NL6918325A (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4200917A (en) * | 1979-03-12 | 1980-04-29 | Motorola, Inc. | Quiet column decoder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1547964A (en) * | 1922-06-30 | 1925-07-28 | Semat Jean Laurent | Telegraphy |
| US2405603A (en) * | 1942-12-31 | 1946-08-13 | Bell Telephone Labor Inc | Data transmission system |
| US2386482A (en) * | 1943-01-27 | 1945-10-09 | Ibm | Data storing device and selecting means therefor |
| US2844811A (en) * | 1952-08-20 | 1958-07-22 | Monroe Calculating Machine | Switching circuits |
-
1969
- 1969-01-06 US US789226A patent/US3576548A/en not_active Expired - Lifetime
- 1969-11-24 GB GB1239109D patent/GB1239109A/en not_active Expired
- 1969-12-05 NL NL6918325A patent/NL6918325A/xx unknown
- 1969-12-08 JP JP9856869A patent/JPS505537B1/ja active Pending
- 1969-12-24 DE DE19691964911 patent/DE1964911A1/de active Pending
-
1970
- 1970-01-06 FR FR7000258A patent/FR2030123A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL6918325A (cg-RX-API-DMAC7.html) | 1970-07-08 |
| DE1964911A1 (de) | 1970-09-10 |
| FR2030123A1 (cg-RX-API-DMAC7.html) | 1970-10-30 |
| JPS505537B1 (cg-RX-API-DMAC7.html) | 1975-03-05 |
| US3576548A (en) | 1971-04-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |