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--- azonenberg:ess:es1988uj [2014/04/09 18:44]
azonenberg created
+++ azonenberg:ess:es1988uj [2015/01/04 22:50]
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-{{tag>collection_az vendor_ess year_1999 type_analog type_analog/audio foundry_unknown tech_unknown}}
-ESS ES1989S Allegro motherboard sound controller. Looks like 350 nm 3-metal or so and appears to be the same process as the [[azonenberg:siliconimage:sil164|Silicon Image SII164]] although so far it's not known which fab this is.
-====== Package ======
-{{:azonenberg:ess:dscf5062_cropped.jpg?600|}}
-====== Die ======
-Size is approximately 5360 x 4040 μm (21.65 mm<sup>2</sup>)
-Overview
-{{:azonenberg:ess:es1988_bf_neo5x_3k.jpg?600|}}
-Logo/markings. Looks like 3 metal layers since there's 3 via masks.
-{{:azonenberg:ess:allegro_20_bf_neo20x_annotated.jpg?600|}}
-{{:azonenberg:ess:allegro_21_bf_neo40x_annotated.jpg?600|}}
-{{:azonenberg:ess:allegro_22_bf_neo40x_annotated.jpg?600|}}
-Random logic
-{{:azonenberg:ess:allegro_23_bf_neo40x_annotated.jpg?600|}}
-{{:azonenberg:ess:allegro_24_bf_neo40x_annotated.jpg?600|}}