JPS6484492A - Semiconductor memory - Google Patents

Semiconductor memory

Info

Publication number
JPS6484492A
JPS6484492A JP62241054A JP24105487A JPS6484492A JP S6484492 A JPS6484492 A JP S6484492A JP 62241054 A JP62241054 A JP 62241054A JP 24105487 A JP24105487 A JP 24105487A JP S6484492 A JPS6484492 A JP S6484492A
Authority
JP
Japan
Prior art keywords
block
dram
information
cache hit
entry
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
JP62241054A
Other languages
Japanese (ja)
Inventor
Katsumi Dosaka
Masaki Kumanotani
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 JP62241054A priority Critical patent/JPS6484492A/en
Publication of JPS6484492A publication Critical patent/JPS6484492A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To improve a cache hit ratio thanks to the entry of information at every block by fetching the information of respective blocks in a sense amplifier set beforehand into plural data registers. CONSTITUTION:A comparator 24 compares an inputted row address with the row address stored in a latch 22b, when they are identical, it regards them as a cache hit, and sends a signal CH at an 'H' level to DRAM 11-18 and to a state machine 25. At such a time, a block decoder 34 receives a column address CA of the DRAM 11-18, and selects a block B2. On the other hand, the state machine 25 to have received the signal CH takes off the data of a data register 32b of the DRAM 11-18 through an address multiplexer 21 by way of an I/O switch 9. Thus, by performing the entry of the information in units of a block, the cache hit ratio can be improved.
JP62241054A 1987-09-26 1987-09-26 Semiconductor memory Pending JPS6484492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62241054A JPS6484492A (en) 1987-09-26 1987-09-26 Semiconductor memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62241054A JPS6484492A (en) 1987-09-26 1987-09-26 Semiconductor memory

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP8122019A Division JPH08297968A (en) 1996-05-16 1996-05-16 Semiconductor memory

Publications (1)

Publication Number Publication Date
JPS6484492A true JPS6484492A (en) 1989-03-29

Family

ID=17068623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62241054A Pending JPS6484492A (en) 1987-09-26 1987-09-26 Semiconductor memory

Country Status (1)

Country Link
JP (1) JPS6484492A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0212687A (en) * 1988-03-31 1990-01-17 Texas Instr Inc <Ti> Processing sysem using multi-line cache dram
JPH02121191A (en) * 1988-10-29 1990-05-09 Nec Corp Semiconductor memory device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6238590A (en) * 1985-08-13 1987-02-19 Fujitsu Ltd Semiconductor memory device
JPS62146490A (en) * 1985-12-20 1987-06-30 Sanyo Electric Co Ltd Semiconductor memory

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6238590A (en) * 1985-08-13 1987-02-19 Fujitsu Ltd Semiconductor memory device
JPS62146490A (en) * 1985-12-20 1987-06-30 Sanyo Electric Co Ltd Semiconductor memory

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0212687A (en) * 1988-03-31 1990-01-17 Texas Instr Inc <Ti> Processing sysem using multi-line cache dram
JPH02121191A (en) * 1988-10-29 1990-05-09 Nec Corp Semiconductor memory device

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