U4091BM-RFNG3Y 19
Manufacturers：
Atmel
Description：
IC AUDIO PROCESSOR PROGR 44SOIC
U4091BM-RFNY 19
Manufacturers：
Atmel
Description：
IC AUDIO PROCESSOR PROGR 44SOIC
U4091BMC-RFNG3Y-19
Manufacturers：
Atmel
Description：
CORDED TELEPHONE CIRCUIT