T7256

The Lucent Technologies Microelectronics Group T7256 Single-Chip NT1 (SCNT1) Transceiver integrated circuit provides data (2B+D) and control information conversion between 2-wire (U-interface) and 4-wire (S/T-interface) digital subscriber loops on the integrated services digital network (ISDN). The T7256 conforms to the ANSI T1.601 standard and ETSI ETR 080 technical report for the U-interface and the ITU-T I.430 recommendation, ANSI T1.605 standard, and ETSI ETS 300 012 for the S/T-interface. The T7256 also supports digital pair gain and terminal adapter applications. The single +5 V CMOS device is packaged in a 44-pin plastic leaded chip carrier (PLCC).