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JPS6427090A - Semiconductor memory device and writing method thereof - Google Patents

Semiconductor memory device and writing method thereof

Info

Publication number
JPS6427090A
JPS6427090A JP63035223A JP3522388A JPS6427090A JP S6427090 A JPS6427090 A JP S6427090A JP 63035223 A JP63035223 A JP 63035223A JP 3522388 A JP3522388 A JP 3522388A JP S6427090 A JPS6427090 A JP S6427090A
Authority
JP
Japan
Prior art keywords
wire
common data
word
decoders
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.)
Granted
Application number
JP63035223A
Other languages
Japanese (ja)
Other versions
JP3026341B2 (en
Inventor
Toshio Sasaki
Osamu Minato
Shigeru Honjo
Koichiro Ishibashi
Toshiaki Masuhara
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP63035223A priority Critical patent/JP3026341B2/en
Publication of JPS6427090A publication Critical patent/JPS6427090A/en
Application granted granted Critical
Publication of JP3026341B2 publication Critical patent/JP3026341B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Static Random-Access Memory (AREA)
  • Dram (AREA)

Abstract

PURPOSE:To provide a sense amplifier at every divided common data wire and to suppress the increase in the number of sense amplifiers by dividing a word wire at least to be bi-sected with a double word wire method and dividing the word wires into common data wires composing multi-bit in accordance with the selection number of memory cells. CONSTITUTION:A memory array 10 is composed of a prescribed number of the aggregates of memory cells 18 to store information into a static RAM, and an array 10 is divided into plural mats 12a-12h by (x) decoders 14a-14d. These respective decoders 14 control a word wire 16 in a Y direction from the mat 12, and give an active signal to a cell 18 in an X direction with the wire 16. (y) decoders 22a-22e select plural bit wire pairs 24 and connect the segment of a common data wire 30 to the wire pairs 24. Further, an amplifier 32 for detection of each first stage, and an amplifier 34, a multiplexer 36, etc., for a second stage driving are connected to the common data wire.
JP63035223A 1987-02-23 1988-02-19 Semiconductor memory device Expired - Lifetime JP3026341B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63035223A JP3026341B2 (en) 1987-02-23 1988-02-19 Semiconductor memory device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3790187 1987-02-23
JP62-37901 1987-02-23
JP63035223A JP3026341B2 (en) 1987-02-23 1988-02-19 Semiconductor memory device

Publications (2)

Publication Number Publication Date
JPS6427090A true JPS6427090A (en) 1989-01-30
JP3026341B2 JP3026341B2 (en) 2000-03-27

Family

ID=26374160

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63035223A Expired - Lifetime JP3026341B2 (en) 1987-02-23 1988-02-19 Semiconductor memory device

Country Status (1)

Country Link
JP (1) JP3026341B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04278288A (en) * 1991-03-07 1992-10-02 Toshiba Corp Semiconductor memory
JPH08263985A (en) * 1995-03-24 1996-10-11 Nec Corp Semiconductor memory

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54148442A (en) * 1978-05-15 1979-11-20 Nec Corp Memory unit
JPS56118369A (en) * 1980-02-22 1981-09-17 Fujitsu Ltd Semiconductor memory device
JPS59155954A (en) * 1983-02-24 1984-09-05 Mitsubishi Electric Corp Semiconductor memory unit
JPS59210588A (en) * 1983-05-16 1984-11-29 Nec Corp Semiconductor memory
JPS6196589A (en) * 1984-10-16 1986-05-15 Mitsubishi Electric Corp Sense amplifier of semiconductor memory device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54148442A (en) * 1978-05-15 1979-11-20 Nec Corp Memory unit
JPS56118369A (en) * 1980-02-22 1981-09-17 Fujitsu Ltd Semiconductor memory device
JPS59155954A (en) * 1983-02-24 1984-09-05 Mitsubishi Electric Corp Semiconductor memory unit
JPS59210588A (en) * 1983-05-16 1984-11-29 Nec Corp Semiconductor memory
JPS6196589A (en) * 1984-10-16 1986-05-15 Mitsubishi Electric Corp Sense amplifier of semiconductor memory device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04278288A (en) * 1991-03-07 1992-10-02 Toshiba Corp Semiconductor memory
JPH08263985A (en) * 1995-03-24 1996-10-11 Nec Corp Semiconductor memory

Also Published As

Publication number Publication date
JP3026341B2 (en) 2000-03-27

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