JPS5634192A - Memory unit - Google Patents

Memory unit

Info

Publication number
JPS5634192A
JPS5634192A JP11091779A JP11091779A JPS5634192A JP S5634192 A JPS5634192 A JP S5634192A JP 11091779 A JP11091779 A JP 11091779A JP 11091779 A JP11091779 A JP 11091779A JP S5634192 A JPS5634192 A JP S5634192A
Authority
JP
Japan
Prior art keywords
sense
lines
column
line
mosfet
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.)
Granted
Application number
JP11091779A
Other languages
Japanese (ja)
Other versions
JPS5831676B2 (en
Inventor
Eisuke Ichinohe
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP54110917A priority Critical patent/JPS5831676B2/en
Publication of JPS5634192A publication Critical patent/JPS5634192A/en
Publication of JPS5831676B2 publication Critical patent/JPS5831676B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
    • G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
    • G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
    • G11C17/126—Virtual ground arrays

Landscapes

  • Read Only Memory (AREA)

Abstract

PURPOSE:To realize high speed and high density of ROM, by preventing accumulation of parasitic capacitances of a plurality of sense lines, through the connection of the sense line only selected with the switch controlled with the column line, to the sense common bus. CONSTITUTION:The gate electrode of memory element M4111,... of MOSFET is connected to the row lines r41,..., and the source and drain are respectively connected to the column lines C41,... and sense line S41,... when the address information is at ''1'', and no connection is made at the information ''0''. Further, C41 only is selected to low level at the column address circuit 4 and r41 only is selected to high level at the row address circuit 2, then, MOSFET-M4111 and M4112 are slected and the sence common buses SB41, SB42 are made to low level through the switch FETQ41, Q42 controlled with the sense lines S41, S42 and the column line C41.
JP54110917A 1979-08-29 1979-08-29 Storage device Expired JPS5831676B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54110917A JPS5831676B2 (en) 1979-08-29 1979-08-29 Storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54110917A JPS5831676B2 (en) 1979-08-29 1979-08-29 Storage device

Publications (2)

Publication Number Publication Date
JPS5634192A true JPS5634192A (en) 1981-04-06
JPS5831676B2 JPS5831676B2 (en) 1983-07-07

Family

ID=14547900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54110917A Expired JPS5831676B2 (en) 1979-08-29 1979-08-29 Storage device

Country Status (1)

Country Link
JP (1) JPS5831676B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940397A (en) * 1982-08-31 1984-03-06 Toshiba Corp Data reading circuit
JPS61222096A (en) * 1984-12-26 1986-10-02 トムソン　コンポーネンツ‐モステック　コーポレーション Cmos rom data selection circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940397A (en) * 1982-08-31 1984-03-06 Toshiba Corp Data reading circuit
JPH0344400B2 (en) * 1982-08-31 1991-07-05 Tokyo Shibaura Electric Co
JPS61222096A (en) * 1984-12-26 1986-10-02 トムソン　コンポーネンツ‐モステック　コーポレーション Cmos rom data selection circuit

Also Published As

Publication number Publication date
JPS5831676B2 (en) 1983-07-07

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