JPS54109730A - Semiconductor read-only memory - Google Patents
Semiconductor read-only memoryInfo
- Publication number
- JPS54109730A JPS54109730A JP1648978A JP1648978A JPS54109730A JP S54109730 A JPS54109730 A JP S54109730A JP 1648978 A JP1648978 A JP 1648978A JP 1648978 A JP1648978 A JP 1648978A JP S54109730 A JPS54109730 A JP S54109730A
- Authority
- JP
- Japan
- Prior art keywords
- output
- precharge
- inverter
- detecting
- fetqs1
- 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.)
- Granted
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
- Read Only Memory (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1648978A JPS54109730A (en) | 1978-02-17 | 1978-02-17 | Semiconductor read-only memory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1648978A JPS54109730A (en) | 1978-02-17 | 1978-02-17 | Semiconductor read-only memory |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60058373A Division JPS61105799A (ja) | 1985-03-25 | 1985-03-25 | 半導体リ−ドオンリメモリ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54109730A true JPS54109730A (en) | 1979-08-28 |
JPS6146919B2 JPS6146919B2 (ja) | 1986-10-16 |
Family
ID=11917694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1648978A Granted JPS54109730A (en) | 1978-02-17 | 1978-02-17 | Semiconductor read-only memory |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54109730A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5637434U (ja) * | 1979-08-31 | 1981-04-09 | ||
JPS5647996A (en) * | 1979-09-20 | 1981-04-30 | Chiyou Lsi Gijutsu Kenkyu Kumiai | Semiconductor memory device |
JPS59110095A (ja) * | 1982-12-14 | 1984-06-25 | Sanyo Electric Co Ltd | 読出し専用メモリ |
-
1978
- 1978-02-17 JP JP1648978A patent/JPS54109730A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5637434U (ja) * | 1979-08-31 | 1981-04-09 | ||
JPS5647996A (en) * | 1979-09-20 | 1981-04-30 | Chiyou Lsi Gijutsu Kenkyu Kumiai | Semiconductor memory device |
JPS59110095A (ja) * | 1982-12-14 | 1984-06-25 | Sanyo Electric Co Ltd | 読出し専用メモリ |
Also Published As
Publication number | Publication date |
---|---|
JPS6146919B2 (ja) | 1986-10-16 |
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