JPH0412199U - - Google Patents

Info

Publication number
JPH0412199U
JPH0412199U JP1990049042U JP4904290U JPH0412199U JP H0412199 U JPH0412199 U JP H0412199U JP 1990049042 U JP1990049042 U JP 1990049042U JP 4904290 U JP4904290 U JP 4904290U JP H0412199 U JPH0412199 U JP H0412199U
Authority
JP
Japan
Prior art keywords
memory cell
logic input
circuit
signal
output signal
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
Application number
JP1990049042U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990049042U priority Critical patent/JPH0412199U/ja
Publication of JPH0412199U publication Critical patent/JPH0412199U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Semiconductor Memories (AREA)
  • Non-Volatile Memory (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例で、ＥＰＲＯＭにお
ける回路図である。 １……書き込み回路、２……紫外線消去型のＥ
ＰＲＯＭセル、３……ＥＸ−ＯＲゲート、４……
ＥＰＲＯＭ内部回路、Ａ……外部入力端子より取
り込んだ信号、Ｂ……ＥＰＲＯＭセルゲート信号
、Ｃ……ＥＰＲＯＭセルドレイン信号、Ｄ……Ｅ
Ｘ−ＯＸゲート出力信号。

Claims (1)

    【実用新案登録請求の範囲】
  1. メインメモリセル以外に書き込み可能なメモリ
    セルと書き込み回路と前記メモリセルの出力信号
    により正論理入力／負論理入力と変更することが
    可能な信号入力端子を有することを特徴とするメ
    モリ回路。
JP1990049042U 1990-05-10 1990-05-10 Pending JPH0412199U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990049042U JPH0412199U (ja) 1990-05-10 1990-05-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990049042U JPH0412199U (ja) 1990-05-10 1990-05-10

Publications (1)

Publication Number Publication Date
JPH0412199U true JPH0412199U (ja) 1992-01-31

Family

ID=31566393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990049042U Pending JPH0412199U (ja) 1990-05-10 1990-05-10

Country Status (1)

Country Link
JP (1) JPH0412199U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6253020A (ja) * 1985-09-02 1987-03-07 Nec Corp 集積回路
JPH0297121A (ja) * 1988-10-03 1990-04-09 Seiko Epson Corp 半導体集積回路装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6253020A (ja) * 1985-09-02 1987-03-07 Nec Corp 集積回路
JPH0297121A (ja) * 1988-10-03 1990-04-09 Seiko Epson Corp 半導体集積回路装置

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