电信接口IC Wideband dual FXS with ISI and tracking dc-dc controllers -140V max. battery
电信 IC 用户线路接口概念（SLIC），CODEC 50-QFN（6x8）
贸泽:
电信接口IC Wideband dual FXS with ISI and tracking dc-dc controllers -140V max. battery
艾睿:
IC PROSLIC FXS DUAL -140V 50QFN