A 622 Mb/s CMOS ATM switch access LSI with maintenance cycle interleaved pipeline architecture

A switch access LSI with multiple ports (SAM) functions as an interface to the switch fabric. The SAM and two other chips, a switch element (SE) and a distributor/arbiter (DA), constitute a chipset with which a non-blocking ATM switch with total throughput up to 20 Gb/s can be built. A 622 Mb/s ATM switch can be configured using a single SAM. A 10 Gb/s ATM switch using SAM/ DA/SE is illustrated.