MOS8520R4 - 1988 vs. 1991

From: fhw72 <webmaster_at_frank-wolf.org>
Date: Wed, 29 Jan 2020 04:54:18 -0600 (CST)
Message-ID: <1580295258563-0.post_at_n4.nabble.com> 
While digging into CIA land I noticed that even the same chip
might be different on die silicon level... a little bit:

https://is.gd/GhQTLR

Both chips are 8520R4 (obviously)... but still not the same.



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Received on 2020-05-30 00:27:28

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