JPS6445399U

JPS6445399U -

Info

Publication number: JPS6445399U
Application number: JP14122487U
Authority: JP
Priority date: 1987-09-14
Filing date: 1987-09-14
Publication date: 1989-03-20

Description

[Brief explanation of the drawing]

第１図はこの考案のメモリ書込み用アダプタの
実施例を示す結線図、第２図は第１図のメモリ書
込み用アダプタを用いて構成したメモリ書込みシ
ステムのシステム構成図、第３図は第２図のメモ
リボード１１の概略を示すブロツク図、第４図は
従来のメモリボードの概略を示すブロツク図であ
る。 FIG. 1 is a wiring diagram showing an embodiment of the memory writing adapter of this invention, FIG. 2 is a system configuration diagram of a memory writing system configured using the memory writing adapter of FIG. 1, and FIG. 4 is a block diagram schematically showing the memory board 11 shown in FIG. 4. FIG. 4 is a block diagram schematically showing a conventional memory board.

Claims

[Claims for Utility Model Registration] An adapter body; Connector means connected to the adapter body and to be connected to the memory board;
An IC connector to be connected to the C socket; an output enable input terminal, a mode control input terminal, a chip enable input terminal, an address input terminal, and a data input terminal provided on the IC connector; In addition, a write signal at a predetermined level is applied to a read/write switching terminal, a plurality of output enable output terminals, a mode control output terminal, a plurality of chip enable output terminals, an address output terminal, a data output terminal, and a read/write switching terminal of the connector means. a first IC selection switch that selectively connects an output enable input terminal of the IC connector to one of a plurality of output enable output terminals of the connector means; a chip of the IC connector; a second IC selection switch for selectively connecting an enable input terminal to one of a plurality of chip enable output terminals of the connector means; and a mode control switch for connecting between a mode control input terminal of the IC connector and a mode control output terminal of the connector means; a control line; a write address bus that connects between the address input terminal of the IC connector and the address output terminal of the connector means; and a write address bus that connects the data input terminal of the IC connector and the data output terminal of the connector means. A memory writing adapter equipped with a data bus and.