DS3120,IC FRAMER T1 28-CHAN 0-70C DEG
DS3120N,IC FRAMER T1 28-CHANNEL IND
DS3121,IC TGATOR T1-T3 AGGREGATOR
DS3121N,IC TGATOR T1-T3 AGGREGATOR IND
DS31256,IC CTRLR HDLC 256-CHANNEL 256BGA
DS31256+,IC CTRLR HDLC 256-CHANNEL 256BGA
DS31256B,输入/输出控制器接口集成电路 256Ch High Thruput HDLC Cntlr
DS31256DK,网络开发工具
