TXC-05801 Datasheet | Transwitch

.. CUBIT Device Cell Bus Bus Switch TXC-05801 DATA SHEET Features DESCRIPTION - UTOPIA or ALI-25 physical-layer cell interface CUBIT is a single-chip solution for implementing low-cost ATM multiplexing and switching systems, - Inlet-side address translation and routing header based on the Cell Bus bus architecture. Such systems insertion, using external SRAM are constructed from a number of CUBIT devices, all - Programmable OAM cell routing interconnected by a 37-line mon bus, the Cell Bus - Cell Bus bus access request, grant reception and bus. When operating at a 38 MHz clock rate, a Cell Bus bus transmission bus system can handle 1 Gbit/s of net ATM cell band- Cell Bus bus cell reception and address recogniwidth. CUBIT supports unicast and multicast transfers, tion and has all necessary functions for implementing a - Outlet cell queuing: various modes switch: inlet queuing, cell address translation, cell routing, and outlet cell queuing. - Ability to insert GFC field in real time - Ability to insert FECN indication, under programmable conditions - Support for ABR-type traffic with minimal cell loss - Ability to send and receive cells for control purposes over same Cell Bus bus - Cell insertion and extraction via microprocessor port APPLICATIONS - Master bus arbiter included in each CUBIT - Internal GTL transceivers for Cell Bus bus connec. - ATM LAN hub tion - Router Front-End - Interface port to translation table SRAM - ATM multiplexer/concentrator - Microprocessor control port, selectable for Intel - Small-stand-alone ATM switch or Motorola interface - Add-Drop Ring Switch - 208-pin plastic quad flat package - B-ISDN access multiplexer - Edge switching equipment - Cable TV Distribution Data Shee Translation RAM Address Cell Inlet Data Other Data Other 8 8 16...