HCPL-2231 == The dual-channel HCPL-2231 optocoupler is an optically-coupled logic gate. - optical-coupler-dat
IP PHONE CHIP == The BCM1113R is a highly integrated silicon solution specifically targeted at the cost-sensitive residential, Small Office Home Office (SOHO), and Small-to-Medium sized Business (SMB) market.
BCM1115KPBGP30