JPS6138558B2 - - Google Patents
Info
- Publication number
- JPS6138558B2 JPS6138558B2 JP14618278A JP14618278A JPS6138558B2 JP S6138558 B2 JPS6138558 B2 JP S6138558B2 JP 14618278 A JP14618278 A JP 14618278A JP 14618278 A JP14618278 A JP 14618278A JP S6138558 B2 JPS6138558 B2 JP S6138558B2
- Authority
- JP
- Japan
- Prior art keywords
- write
- current
- rom
- circuit
- writing
- 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
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 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
- G11C17/14—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM
- G11C17/16—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards in which contents are determined by selectively establishing, breaking or modifying connecting links by permanently altering the state of coupling elements, e.g. PROM using electrically-fusible links
Landscapes
- Read Only Memory (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14618278A JPS5573991A (en) | 1978-11-27 | 1978-11-27 | Integrated circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14618278A JPS5573991A (en) | 1978-11-27 | 1978-11-27 | Integrated circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5573991A JPS5573991A (en) | 1980-06-04 |
JPS6138558B2 true JPS6138558B2 (enrdf_load_stackoverflow) | 1986-08-29 |
Family
ID=15401982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14618278A Granted JPS5573991A (en) | 1978-11-27 | 1978-11-27 | Integrated circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5573991A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5647994A (en) * | 1979-09-25 | 1981-04-30 | Nec Corp | Programmable monolithic integrated circuit |
JPS6070597A (ja) * | 1983-09-28 | 1985-04-22 | Toshiba Corp | 不揮発性半導体記憶装置 |
JPH01146198A (ja) * | 1987-12-02 | 1989-06-08 | Fujitsu Ltd | プログラマブル・リード・オンリ・メモリ装置 |
-
1978
- 1978-11-27 JP JP14618278A patent/JPS5573991A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5573991A (en) | 1980-06-04 |