INTERFACE, 1CH, T1/E1/J1, 128LQFP; Interface Applications:Multiplexers, Switches, LAN Routers & Digital Modems; Supply Voltage Range:3.135V to 3.465V; Digital IC Case Style:LQFP; No. of Pins:128; Operating Temperature Range:-40°C to +85°C; Interface Applications:Digital Cross-connect Systems, High-Density T1/E1/J1 Interfaces for Multiplexers; Interface Type:Parallel, Serial