MT9173AE PDF File ( Datasheet )

® ISO2-CMOS ST-BUS™ FAMILY MT9173, 74 Digital Subscriber Interface Circuit with RxSB Digital Network Interface Circuit with RxSB Features Receive sync output pulse Full duplex transmission over a single twisted pair Selectable 80 or 160 kbit, s line rate Adaptive echo cancellation Up to 3km (9173) and 4 km (9174) loop reach ISDN compatible (2B+D) data format Transparent modem capability Frame synchronization and clock extraction MITEL ST-BUS compatible Low power (typically 50 mW),