[sdiy] Broken Electroharmonix Drum Machine

[Ken Stone]

>The EPROM is a 2758, can't find a datasheet on line. Is this a 5 volt
>variant of the 2708?

No, it's half of a 2716. Basically it is a 2716 that failed in either the
upper or lower half, so they tie the highest address line up or down and
label it a "reference". This was back when these chips were expensive.

Ken
_______________________________________________________________________
Ken Stone   sasami at hotkey.net.au  
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