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JPS5760590A - Memory circuit - Google Patents

Memory circuit

Info

Publication number
JPS5760590A
JPS5760590A JP55137364A JP13736480A JPS5760590A JP S5760590 A JPS5760590 A JP S5760590A JP 55137364 A JP55137364 A JP 55137364A JP 13736480 A JP13736480 A JP 13736480A JP S5760590 A JPS5760590 A JP S5760590A
Authority
JP
Japan
Prior art keywords
trq9
memory cell
line
trq4
accumulated
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
JP55137364A
Other languages
Japanese (ja)
Inventor
Michihiro Yamada
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 JP55137364A priority Critical patent/JPS5760590A/en
Publication of JPS5760590A publication Critical patent/JPS5760590A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
    • G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
    • G11C11/409—Read-write [R-W] circuits 
    • G11C11/4094—Bit-line management or control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)

Abstract

PURPOSE:To ensure the stable holding for the information which is accumulated in a memory cell, by providing a clamping MOS transistor to a bit line. CONSTITUTION:MOS transistors (TR)Q9 and Q10 having the drain set at a positive power source VDD and the potential set at VSS are connected via the source to bit lines 4 and 5 of memory cell groups 1 and 2 which are formed with the MOSTRs and capacitors. For instance, when the line 4 is set at the negative potential by the capacitive coupling caused by the capacitance C1, the TRQ9 is turned on earlier since the threshold value of the TRQ9 is less than that of a TRQ4. etc. that form a memory cell. Accordingly the negative voltage of the line 4 is clamped by the threshold voltage of the TRQ9, and the TRQ4 is kept off. Thus the storage information accumulated in a capacitor C4 can be stably held.
JP55137364A 1980-09-29 1980-09-29 Memory circuit Pending JPS5760590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55137364A JPS5760590A (en) 1980-09-29 1980-09-29 Memory circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55137364A JPS5760590A (en) 1980-09-29 1980-09-29 Memory circuit

Publications (1)

Publication Number Publication Date
JPS5760590A true JPS5760590A (en) 1982-04-12

Family

ID=15196942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55137364A Pending JPS5760590A (en) 1980-09-29 1980-09-29 Memory circuit

Country Status (1)

Country Link
JP (1) JPS5760590A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5399736A (en) * 1977-02-10 1978-08-31 Toshiba Corp Semiconductor memory unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5399736A (en) * 1977-02-10 1978-08-31 Toshiba Corp Semiconductor memory unit

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