MT90866AG

The MT90866AG is a kind of digital switch which provides switching capacities of 4,096*2,432 channels between backplane and local streams, 2,432*2,432 channels among local streams and 2,048*2,048 channels among backplane streams. The typical applications of MT90866AG include: (1)carrier-grade VoIP Gateways; (2)IP-PBX and PABX; (3)integrated access devices; (4)access servers; (5)CTI applications/CompactPCIPlatforms; (6)H.110, H.100, ST-BUS and proprietary backplane applications. The device is available in 344 ball PBGA package.

There are some features of MT90866AG as follows: (1)rate conversion between backplane and local streams; (2)rate conversion among local streams; (3)backplane interface accepts data rates of 8.192 Mb/s or 16.384 Mb/s; (4)Local interface accepts data rates of 2.048 Mb/s, 4.096 Mb/s or 8.192 Mb/s; (5)sub-rate switching (2 or 4 bits) configuration for local streams at a data rate of 2.048 Mb/s; (6)meets all the key H.110 mandatory signal requirements including timing; (7)per-channel variable or constant throughput delay; (8)per-stream input delay, programmable for local streams on a per bit basis; (9)per-stream output advancement, programmable for backplane and local streams; (10)per-channel direction control for backplane streams; (11)per-channel message mode for backplane and local streams; (12)per-channel high impedance output control for backplane and local streams; (13)Compatible to Stratum 4 Enhanced clock switching standard; (14)Connection memory block-programming for fast device initialization; (15)Tristate-control outputs for external drivers.

What comes next is about the absolute maximum ratings of MT90866AG: (1)supply voltage, VDD: -0.5 to 5.0 V; (2)BSTio bias voltage, VDD5V: -0.5 to 7.0 V; (3)input voltage, VI: -0.5 to VDD+0.5 V; (4)output voltage, Vo: -0.5 to VDD+0.5 V; (5)package power dissipation, PD: 2 W; (6)storage temperature, TS: -55 to +125. Then is about the recommended operating conditions (voltages are with respect to ground (VSS) unless otherwise stated): (1)operating temperature, TOP: -40 min, 25 typ and +85; (2)positive supply, VDD: 3.0 V min, 3.3 V typ and 3.6 V max; (3)BSTio bias voltage (3 V PCI Spec), VDD5V: 3.0 V min, 3.3 V typ and 3.6 V max; (4)BSTio bias voltage (5 V PCI Spec), VDD5V: 4.5 V min, 5.0 V typ and 5.5 V max; (5)input voltage, VI: 0 to VDD V; (6)input voltage on 5 V tolerant inputs, VI_5V: 0 to VDD5V V.