Apparently an audio codec IC, with two dice inside: die A is made by Realtek, die B is made by Winbond and appears to be a serial memory.
Package
(Logo) ALC4020 HAL09H2 H42
Die A
Die B
(C)(M)WINBOND 2011 09 KAG033
KAG03390B
Top metal imaged under Nikon PlanApo 40x/1.0 oil
- Single (15900×18284, 54.6084MiB)
