identify Fairchild chips

Fairchild
acquired Intersil Discrete IC division in Feb 2001

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F3815
3815KRC
 
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P87AD
P87AD
 
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P05BG
P05BG
 
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MB623308
MB623308
 
 
         
F3815KRC 8bit RAMDAC 150MHz
P87AD
P05BG
MB623308