JPS56111192A - Semiconductor storage device - Google Patents

Semiconductor storage device

Info

Publication number
JPS56111192A
JPS56111192A JP1386280A JP1386280A JPS56111192A JP S56111192 A JPS56111192 A JP S56111192A JP 1386280 A JP1386280 A JP 1386280A JP 1386280 A JP1386280 A JP 1386280A JP S56111192 A JPS56111192 A JP S56111192A
Authority
JP
Japan
Prior art keywords
rom1
interval
wirings
storage device
igfets
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
JP1386280A
Other languages
Japanese (ja)
Other versions
JPS5840342B2 (en
Inventor
Tomotaka Saito
Kenichi Nagao
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55013862A priority Critical patent/JPS5840342B2/en
Publication of JPS56111192A publication Critical patent/JPS56111192A/en
Publication of JPS5840342B2 publication Critical patent/JPS5840342B2/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

Abstract

PURPOSE:To establish the semiconductor storage device possible for high speed operation and smalls-sized chip, by introducing the specified signal line of ROMs alternately from the opposing direction provided with IGFETs in XY matrix arrangement. CONSTITUTION:The signal output lines X0, X1... from X decoders 3a, 3b to the row of IGFETs 2... in matrix arrangement forming a ROM1 are introduced to ROM1 from the direction opposing left and right alternately, and the interval L between rows adjacent of common parts 80... having broader wdith duplicated with the metallic wirings 60 being the gate wirings of ROM1 and with the diffusion wirings 50..., is greater than the case of introduction from the same direction of the output lines X0.... Thus, even with decreased interval l between the wirings 60..., the interval L is more than the minimum interval, allowing to reduce the chip size and the capacity of each FET in the ROM1, resulting that the time constant at electric charge discharge is small. Thus the storage device with high speed operation can be made.
JP55013862A 1980-02-07 1980-02-07 semiconductor storage device Expired JPS5840342B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55013862A JPS5840342B2 (en) 1980-02-07 1980-02-07 semiconductor storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55013862A JPS5840342B2 (en) 1980-02-07 1980-02-07 semiconductor storage device

Publications (2)

Publication Number Publication Date
JPS56111192A true JPS56111192A (en) 1981-09-02
JPS5840342B2 JPS5840342B2 (en) 1983-09-05

Family

ID=11845062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55013862A Expired JPS5840342B2 (en) 1980-02-07 1980-02-07 semiconductor storage device

Country Status (1)

Country Link
JP (1) JPS5840342B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60135256U (en) * 1984-02-21 1985-09-09 村田機械株式会社 Goods transport trolley

Also Published As

Publication number Publication date
JPS5840342B2 (en) 1983-09-05

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