JPS54148439A - Information memory unit - Google Patents
Information memory unitInfo
- Publication number
- JPS54148439A JPS54148439A JP5740278A JP5740278A JPS54148439A JP S54148439 A JPS54148439 A JP S54148439A JP 5740278 A JP5740278 A JP 5740278A JP 5740278 A JP5740278 A JP 5740278A JP S54148439 A JPS54148439 A JP S54148439A
- Authority
- JP
- Japan
- Prior art keywords
- writing
- reading
- circuit
- data
- bank
- 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
Links
Landscapes
- Image Input (AREA)
Abstract
PURPOSE: To ensure the process execution with the same cycle time by installing the 1st and 2nd writing registers with an effective use of the memory access time for the continuous reading and writing as well as for the reading after writing and the writing after reading rspectively.
CONSTITUTION: Memory bank 1, which is capable of access for the single word and the multiple words and consists of memory boards 11W1n, is installed along with bit length designation circuit 7 which designates the optional memory boards 11W1n. In addition, board enable circuit 9 which performs an access of the single word to bank 1 is installed along with reading data register 12 which memorizes temporarily the multiple word data read from bank 1. Furthermore, the following units are provided: reading data register 12 which divides the data memorized temporarily in register 12 with every fixed transfer unit and delivers them; shift circuit 13; multiple word board 14 which carries out the data transfer control between circuit 13 and multiple word channel 15, and 1st and 2nd writing data registers 16 and 17 provided to the output of circuit 13.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53057402A JPS6037930B2 (en) | 1978-05-15 | 1978-05-15 | information storage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53057402A JPS6037930B2 (en) | 1978-05-15 | 1978-05-15 | information storage device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54148439A true JPS54148439A (en) | 1979-11-20 |
JPS6037930B2 JPS6037930B2 (en) | 1985-08-29 |
Family
ID=13054636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53057402A Expired JPS6037930B2 (en) | 1978-05-15 | 1978-05-15 | information storage device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6037930B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS592169A (en) * | 1982-06-29 | 1984-01-07 | Fujitsu Ltd | Three-dimensional picture memory setting system |
JPS59140576A (en) * | 1983-02-01 | 1984-08-11 | Hitachi Ltd | Pattern converting device |
JPS61259349A (en) * | 1985-05-13 | 1986-11-17 | Fujitsu Ltd | Memory access system |
JPS62281198A (en) * | 1986-05-30 | 1987-12-07 | Texas Instr Japan Ltd | Data selection circuit |
JPH06259320A (en) * | 1993-03-04 | 1994-09-16 | Hitachi Ltd | Nonvolatile memory device |
-
1978
- 1978-05-15 JP JP53057402A patent/JPS6037930B2/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS592169A (en) * | 1982-06-29 | 1984-01-07 | Fujitsu Ltd | Three-dimensional picture memory setting system |
JPH059831B2 (en) * | 1982-06-29 | 1993-02-08 | Fujitsu Ltd | |
JPS59140576A (en) * | 1983-02-01 | 1984-08-11 | Hitachi Ltd | Pattern converting device |
JPS61259349A (en) * | 1985-05-13 | 1986-11-17 | Fujitsu Ltd | Memory access system |
JPS62281198A (en) * | 1986-05-30 | 1987-12-07 | Texas Instr Japan Ltd | Data selection circuit |
JPH06259320A (en) * | 1993-03-04 | 1994-09-16 | Hitachi Ltd | Nonvolatile memory device |
Also Published As
Publication number | Publication date |
---|---|
JPS6037930B2 (en) | 1985-08-29 |
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