JPS6169834U - - Google Patents
Info
- Publication number
- JPS6169834U JPS6169834U JP15309784U JP15309784U JPS6169834U JP S6169834 U JPS6169834 U JP S6169834U JP 15309784 U JP15309784 U JP 15309784U JP 15309784 U JP15309784 U JP 15309784U JP S6169834 U JPS6169834 U JP S6169834U
- Authority
- JP
- Japan
- Prior art keywords
- chip
- erasable programmable
- socket
- board
- during normal
- 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
- 239000011521 glass Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Non-Volatile Memory (AREA)
Description
第1図は本考案プログラマルROMの一実施例
を示す斜視図、第2図、第3図は本考案の他の実
施例を示す斜視図、第4図は書込み内容消去時の
説明図、第5図は本考案ROMの通常使用時の実
装状態を示す図、第6図は従来のプログラマブル
ROMを示す斜視図である。
1……ICチツプ、2……透明ガラス、3……
リード線、5……ICソケツト、6……基板。
FIG. 1 is a perspective view showing one embodiment of the programmable ROM of the present invention, FIGS. 2 and 3 are perspective views showing other embodiments of the present invention, and FIG. 4 is an explanatory diagram when erasing written contents. FIG. 5 is a diagram showing the mounting state of the ROM of the present invention during normal use, and FIG. 6 is a perspective view of a conventional programmable ROM. 1...IC chip, 2...transparent glass, 3...
Lead wire, 5...IC socket, 6...board.
Claims (1)
OMにおいて、書込み内容消去用の透明ガラス窓
を、基板実装時又はICソケツト実装時等の通常
使用状態において、外来よりの光に含まれる紫外
線が直接照射されないICチツプの腹面に設ける
ことを特徴とする消去可能プログラマブルROM
。 Erasable programmable R consisting of IC chip
The OM is characterized in that a transparent glass window for erasing written content is provided on the bottom surface of the IC chip, which is not directly irradiated with ultraviolet rays contained in external light during normal use such as when mounted on a board or mounted in an IC socket. Erasable programmable ROM
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15309784U JPS6169834U (en) | 1984-10-12 | 1984-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15309784U JPS6169834U (en) | 1984-10-12 | 1984-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6169834U true JPS6169834U (en) | 1986-05-13 |
Family
ID=30711133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15309784U Pending JPS6169834U (en) | 1984-10-12 | 1984-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6169834U (en) |
-
1984
- 1984-10-12 JP JP15309784U patent/JPS6169834U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6169834U (en) | ||
| JPS5995651U (en) | lamp | |
| JPS6222799U (en) | ||
| JPH0353849U (en) | ||
| JPS60155100U (en) | UV-erasable read-only memory | |
| JPS5845827U (en) | daylight window | |
| JPH035300U (en) | ||
| JPS59161046U (en) | Omnidirectional photodetector | |
| JPS6339944U (en) | ||
| JPS61136399U (en) | ||
| JPH01107137U (en) | ||
| JPS636743U (en) | ||
| JPS595099U (en) | UV-erasable read-only storage device | |
| JPS5827491U (en) | daylight window | |
| JPS6447049U (en) | ||
| JPS5893192U (en) | Shutter lighting device | |
| JPS6071335U (en) | Statica mixa | |
| JPS5945934U (en) | UV erasable EPROM | |
| JPH0296739U (en) | ||
| JPS6010265U (en) | Light bulb with filament inspection window | |
| JPS5913593U (en) | slats for blinds | |
| JPS6316699U (en) | ||
| JPS587343U (en) | Rewritable read-only memory | |
| JPS58118598U (en) | Read-only memory that can be erased by light irradiation | |
| JPS60117843U (en) | A candle that appears with letters or designs |