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JPS54158827A - Semiconductor integrated circuit - Google Patents

Semiconductor integrated circuit

Info

Publication number
JPS54158827A
JPS54158827A JP6799978A JP6799978A JPS54158827A JP S54158827 A JPS54158827 A JP S54158827A JP 6799978 A JP6799978 A JP 6799978A JP 6799978 A JP6799978 A JP 6799978A JP S54158827 A JPS54158827 A JP S54158827A
Authority
JP
Japan
Prior art keywords
bit lines
bit
line
multiplexers
amplifier
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
JP6799978A
Other languages
Japanese (ja)
Inventor
Michihiro Yamada
Kazuyasu Fujishima
Tetsuo Tada
Koichi Nagasawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6799978A priority Critical patent/JPS54158827A/en
Publication of JPS54158827A publication Critical patent/JPS54158827A/en
Pending legal-status Critical Current

Links

Landscapes

  • Static Random-Access Memory (AREA)

Abstract

PURPOSE: To make it possible to increase bit density by reducing an interval of bit lines to minimum pattern size by arranging several bit lines at both the sides a of sense amplifier and by making mutual connections among them by multiplexers.
CONSTITUTION: Multiplexers 16 and 17 connect sense amplifier 1 to the 1st bit line 12 and 14 or 2nd bit lines 13 and 15 selectively. When merory 2 connected to bit line 12 is selected by address line 8, dummy line 5 connected to bit line 14 is selected by dummy address line 11, bit lines 12 and 14 are connected to amplifier 1 by multiplexers 16 and 17, and a slight potential difference developed between bit lines 12 and 14 is sensed and amplified 1, thereby reading pieces of information of "1" and "0". Because of the constitution mentioned above, sufficient sensitivity can be obtained even if the area of amplifier 1 is large, so that individual memory cells can be reduced to an allowable area with an minimum pattern size.
COPYRIGHT: (C)1979,JPO&Japio
JP6799978A 1978-06-05 1978-06-05 Semiconductor integrated circuit Pending JPS54158827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6799978A JPS54158827A (en) 1978-06-05 1978-06-05 Semiconductor integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6799978A JPS54158827A (en) 1978-06-05 1978-06-05 Semiconductor integrated circuit

Publications (1)

Publication Number Publication Date
JPS54158827A true JPS54158827A (en) 1979-12-15

Family

ID=13361153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6799978A Pending JPS54158827A (en) 1978-06-05 1978-06-05 Semiconductor integrated circuit

Country Status (1)

Country Link
JP (1) JPS54158827A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5577083A (en) * 1978-12-04 1980-06-10 Chiyou Lsi Gijutsu Kenkyu Kumiai Semiconductor memory unit
JPS5877091A (en) * 1981-10-30 1983-05-10 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Memory device
JPS6134792A (en) * 1984-07-25 1986-02-19 Toshiba Corp Semiconductor memory device
JPS61242396A (en) * 1985-04-19 1986-10-28 Nec Corp Semiconductor memory
JPH059270U (en) * 1991-07-25 1993-02-09 株式会社浅利研究所 Squid hook

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5577083A (en) * 1978-12-04 1980-06-10 Chiyou Lsi Gijutsu Kenkyu Kumiai Semiconductor memory unit
JPS5877091A (en) * 1981-10-30 1983-05-10 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Memory device
JPS6134792A (en) * 1984-07-25 1986-02-19 Toshiba Corp Semiconductor memory device
JPS61242396A (en) * 1985-04-19 1986-10-28 Nec Corp Semiconductor memory
JPH059270U (en) * 1991-07-25 1993-02-09 株式会社浅利研究所 Squid hook

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