DS312
Manufacturers：
Switchcraft Inc.
Description：
COVER USED WITH DS311
DS3120
Manufacturers：
Maxim Integrated
Description：
IC FRAMER T1 28-CHAN 0-70C DEG
DS3120N
Manufacturers：
Maxim Integrated
Description：
IC FRAMER T1 28-CHANNEL IND
DS3121
Manufacturers：
Maxim Integrated
Description：
IC TGATOR T1-T3 AGGREGATOR
DS3121N
Manufacturers：
Maxim Integrated
Description：
IC TGATOR T1-T3 AGGREGATOR IND
DS31256
Manufacturers：
Maxim Integrated
Description：
IC CTRLR HDLC 256-CHANNEL 256BGA
DS31256+
Manufacturers：
Maxim Integrated
Description：
IC CTRLR HDLC 256-CHANNEL 256BGA
DS31256B
Manufacturers：
Maxim Integrated
Description：
IC HDLC CONTROLLER 256-BGA