Table of Contents

I was told it was from an I/O card, presumably a Commodore A2232 serial port card for the Amiga computer

Package

Label (top):

CSG
65CE02-2
(C) (M) (C) CBM 1987, 88
1690 52

Where:

  • CSG: Commodore Semiconductor Group
  • CBM: Commodore Business Machines
  • MOS has fallen out of the loop having been bought by Commodore

Label (bottom):

HONG KONG
HH125907
MP150SG

package_top.jpgpackage_bottom.jpgpackage_die0.jpgpackage_die1.jpgpackage_die2.jpg

Die

Approximate size: 4.4 x 3.7 mm

Text:

4502R2
Option 1
(M) 1988 CBM

package_die3.jpg

Map

die2.jpg

Top metal @ Mit20x

  • Single (12509×10688, 53 MB)

Etch 1-13 @ Mit20x

  • Single (12442×10722, 59 MB)

Etch 1-16 @ Mit20x

  • Single (12433×10684, 53 MB)

Sometime between etch16 and etch25 I believe a beaker contaminted with nitric was used. This caused unintentional staining of the chip as well as etching in some of the less pure areas of the chip causing pitting.

Etch 1-25 @ Mit20x

  • Single (12416×10696, 45 MB)
 
mcmaster/cbm/65ce02-r2.txt · Last modified: 2015/01/04 17:50 (external edit)
 
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