[Coco] Just got my 5x HD63C09

[Richard Goedeken]

I got 5 of these as well, and they are definitely fake.  I have some originals 
that I got as samples from a US distributor in the late 90s, and I  use these 
as a basis for comparison.  The original Hitachi chips use a silver paint for 
the marking, while the fake ones from ebay were marked with a laser.  The 
marking is harder to read and it is more yellowish/brown than silver.  Also, 
the Hitachi chips have 2 circular depressions on the top of the case, while 
the fake ones have none.

Just because they're not Hitachi parts doesn't mean that they won't work.. The 
seller does claim that they are 'new', so it's possible that a Chinese fab got 
the Hitachi masks and ran a batch of these on some old semiconductor 
equipment. But I don't think I'll put these chips in any of my Coco 3s any 
time soon.  I also just ordered another 5  6309s from this seller:

http://www.ebay.com/itm/151087600469

The chips pictured in this auction look just like my old original chips, and 
the seller claims that they are 'old stock', so maybe they are real Hitachi 
parts.  I'll let you all know how the look when I get them.

Richard

On 11/07/2013 07:18 PM, Luis Antoniosi (CoCoDemus) wrote:
> Didn't test them yet. Not in a mood to open the coco:
>
> https://pbs.twimg.com/media/BYhGq5KCYAAqb4q.jpg:large
>
>