JPH0352900U - - Google Patents
Info
- Publication number
- JPH0352900U JPH0352900U JP11401689U JP11401689U JPH0352900U JP H0352900 U JPH0352900 U JP H0352900U JP 11401689 U JP11401689 U JP 11401689U JP 11401689 U JP11401689 U JP 11401689U JP H0352900 U JPH0352900 U JP H0352900U
- Authority
- JP
- Japan
- Prior art keywords
- memory device
- semiconductor memory
- utility
- scope
- registration request
- 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.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Numerical Control (AREA)
- Static Random-Access Memory (AREA)
Description
第１図はこの考案の一実施例による半導体メモ
リ装置を示す図、第２図は第１図中のプログラマ
ブルデコーダのブロツク図、第３図はこの考案の
半導体メモリ装置を備えた数値制御装置を示す図
、第４図は従来の半導体メモリ装置を示す図であ
る。なお、図中同一符号は同一、又は相当部分を
示す。
FIG. 1 is a diagram showing a semiconductor memory device according to an embodiment of this invention, FIG. 2 is a block diagram of the programmable decoder shown in FIG. 1, and FIG. 3 is a diagram showing a numerical control device equipped with the semiconductor memory device of this invention. FIG. 4 is a diagram showing a conventional semiconductor memory device. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
デコーダと、予備のメモリセルを備えたことを特
徴とする半導体メモリ装置。 A semiconductor memory device comprising a programmable decoder and a spare memory cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11401689U JPH0352900U (en) | 1989-09-28 | 1989-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11401689U JPH0352900U (en) | 1989-09-28 | 1989-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352900U true JPH0352900U (en) | 1991-05-22 |
Family
ID=31662405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11401689U Pending JPH0352900U (en) | 1989-09-28 | 1989-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352900U (en) |
-
1989
- 1989-09-28 JP JP11401689U patent/JPH0352900U/ja active Pending