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MT90880 Datasheet(PDF) 1 Page - Zarlink Semiconductor Inc |
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MT90880 Datasheet(HTML) 1 Page - Zarlink Semiconductor Inc |
1 / 97 page 1 Zarlink Semiconductor Inc. Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc. Copyright 2003-2004, Zarlink Semiconductor Inc. All Rights Reserved. Features • WAN interface, consisting of 32 input and output streams at 2.048 or 8.192 Mbs • Up to 1024 bi-directional 64 Kbs channels • N * 64 Kbs trunking of channels across any stream and channel • 1 K by 1 K non-blocking TDM switch • Local TDM interface, with 32 streams at 2.048, 4.096 and 8.192 Mbs • Flexible, multi-protocol packet encapsulation • Dual 100 Mbs MII interfaces for redundancy or for load balancing • Quality of service features, including weighted fair queuing, strict priority and queue size limit thresholds • High performance 33 MHz / 66 MHz 32 bit PCI bus • Integral Stratum 4E PLL for synchronisation to the TDM domain • Power consumption of less than 0.75 W Applications • Packet backplane interconnection • Circuit Emulation over packet domain • Internet Off-load • Remote Access Concentrators • H.100/H.110 extension and expansion December 2004 Ordering Information MT90880B/IG/BP1N 456 ball PBGA MT90881A/IG/BP1N 456 ball PBGA MT90882B/IG/BP1N 456 ball PBGA MT90883A/IG/BP1N 456 ball PBGA -40 °C to +85°C MT90880/1/2/3 TDM to Packet Processors Data Sheet Figure 1 - MT90880 High Level Overview Dual Packet Interface MAC Local TDM Interface e.g. for connection to local resource pool TDM Re- Formatter Packetizing and Circuit Emulation WAN Access Interface Packet Switch Fabric Interface 1Kx1K TDM Switch Administration Host Control/Data Interface 32 bit, 33MHz / 66MHz 32 PCI PCI Interface Memory Manager Packet Memory 0.125 - 8 MBytes SSRAM |
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