NEO-BUF: Difference between revisions

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[[File:cd2_buf.jpg|right|thumb|NEO-BUF chip used to split DRAM access on a CDM3-2 board.]]
{{ChipInfo
|picture=cd2_buf.jpg
|pkg=QFP48
|manu=fujitsu
|date=1994 ?
|gates=
|used_on={{PCB|MV-1A}} {{PCB|MV1B}} {{PCB|CDM3-2}}
}}


Dual 74HC245 octal transceivers in one chip.
Dual 74HC245 octal transceivers in one chip.
This chip is extensively used in the [[CD systems|NeoGeo CD]] to multiplex subsystem and 68k accesses to [[DRAM]]s.
This chip is extensively used in [[CD systems]] to multiplex subsystem and {{Chipname|68k}} accesses to [[DRAM]]s.


Also found on MV-1B [[MVS hardware]] boards.
Also found on late [[MVS hardware|MVS]] boards.


== Pinout ==
== Pinout ==

Revision as of 01:09, 12 October 2016

Package QFP48
Manufacturer
First use 1994 ?
Used on MV-1A MV1B CDM3-2

Dual 74HC245 octal transceivers in one chip. This chip is extensively used in CD systems to multiplex subsystem and 68k accesses to DRAMs.

Also found on late MVS boards.

Pinout

File:Neo-buf pinout.png

OpenOffice Draw file: File:Neo-buf.odg