JPH0418460U - - Google Patents
Info
- Publication number
- JPH0418460U JPH0418460U JP5861990U JP5861990U JPH0418460U JP H0418460 U JPH0418460 U JP H0418460U JP 5861990 U JP5861990 U JP 5861990U JP 5861990 U JP5861990 U JP 5861990U JP H0418460 U JPH0418460 U JP H0418460U
- Authority
- JP
- Japan
- Prior art keywords
- package
- eprom
- board
- addition
- layer
- 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
Landscapes
- Semiconductor Memories (AREA)
Description
第１図〜第５図はこの考案の一実施例であるＩ
Ｃパツケージのそれぞれ基板層の平面図、パツケ
ージの側面図、ＥＰＲＯＭ切換部のおのおの拡大
図で、第６図〜第８図は従来のＩＣパツケージの
各基板層を示す平面図、第９図は従来のＩＣパツ
ケージの側面図である。
図において、３はＥＰＲＯＭ切換用内部リード
群、４はＥＰＲＯＭ用外部端子、５はＥＰＲＯＭ
切換用ジヤンバ、６は基板４、７は基板３、８は
基板２、９は基板１、１０はＩＣチツプ用外部端
子、１１はアドレス１４、端子、１５はＥ
ＰＲＯＭ切換部を示す。なお、図中、同一符号は
同一、または相当部分を示す。
Figures 1 to 5 show an example of this invention.
6 to 8 are plan views showing each board layer of a conventional IC package, and FIG. FIG. 3 is a side view of the IC package of FIG. In the figure, 3 is an internal lead group for EPROM switching, 4 is an external terminal for EPROM, and 5 is an EPROM
Switching jumper, 6 is board 4, 7 is board 3, 8 is board 2, 9 is board 1, 10 is external terminal for IC chip, 11 is address 14, terminal, 15 is E
The PROM switching section is shown. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
ＯＭ切換用リードを付加することによつて搭載す
るＥＰＲＯＭを自由に選択できるようにしたこと
を特徴とするＩＣパツケージ。 One layer or multiple layers of EPR in IC package
An IC package characterized by the addition of an OM switching lead so that the EPROM to be installed can be freely selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5861990U JPH0418460U (en) | 1990-06-01 | 1990-06-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5861990U JPH0418460U (en) | 1990-06-01 | 1990-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0418460U true JPH0418460U (en) | 1992-02-17 |
Family
ID=31584396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5861990U Pending JPH0418460U (en) | 1990-06-01 | 1990-06-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0418460U (en) |
-
1990
- 1990-06-01 JP JP5861990U patent/JPH0418460U/ja active Pending
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