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RECOMMENDED FOR NEW DESIGN

This product will be in production for the foreseeable future, and is recommended for new designs.

This product is either at end of life or obsolete, and is not recommended for new designs.

ManufacturerData Sheet
MC34118 Voice Switched Speaker-Phone IC
Yes
UNISONICMC34118L-SOP28-R datasheet
TEA1098 Handsfree
Yes
UNISONIC 
TEA1110A Telephone Transmission Circuit
Yes
UNISONICTEA1110AG-S14-R datasheet