Framer E1 3.3V 300-Pin BGA
16-Channel Serial/Parallel Transceiver, 1.544Mbps, BGA, Surface Mount
IC TELECOM INTERFACE 300BGA
Framer DS1/ISDN-PRI/J1/T1 3.3V 300-Pin BGA
12-Channel E1 Framing Format Transceiver, 1.544Mbps, -40 to 85°C, BGA