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PDF MT90866 Data sheet ( Hoja de datos )
| Número de pieza | MT90866 | |
| Descripción | WAN Access Switch | |
| Fabricantes | Mitel Networks Corporation | |
| Logotipo |  |
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Features
• 3.3V operation with 5V tolerant inputs and I/O’s
• 2,432 x 2,432 channel non-blocking switching
among local streams
• 4,096 x 2,432 channel blocking switching
between backplane and local streams
• 2,048 x 2,048 channel non-blocking switching
among backplane streams
• Rate conversion between backplane and local
streams
• Rate conversion among local streams
• Backplane interface accepts data rates of
8.192Mb/s or 16.384Mb/s
• Local interface accepts data rates of 2.048Mb/
s, 4.096Mb/s or 8.192Mb/s
• Sub-rate switching (2 or 4 bits) configuration for
local streams at a data rate of 2.048Mb/s
• Per-channel variable or constant throughput
delay
• Fully compliant to H.110 Timing specifications
• Automatic frame offset delay measurement for
backplane streams
• Per-stream input frame delay offset, up to 128
bytes, programmable for local streams on a per
quarter bit or per channel basis
• Per-stream output frame advancement,
programmable for backplane and local streams
• Per-channel direction control for backplane
streams
• Per-channel message mode for backplane and
local streams
• Per-channel high impedance output control for
backplane and local streams
• Pseudo-Random Binary Sequence (PRBS)
pattern generation and testing for backplane
and local streams
• 5V tolerant PCI driver on CT-Bus I/O’s
• Integrated PLL, compatible to Stratum 4
Enhanced clock switching standard
• Non-multiplexed microprocessor interface
• Connection memory block programming for fast
device initialization
• Tristate-control outputs for external drivers
• Conform to the mandatory requirements of the
IEEE-1149.1 (JTAG) standard
MT90866
WAN Access Switch
Product Brief
DS5279
ISSUE 2
Feburary 2000
Ordering Information
MT90866AL
MT90866AG
256 Pin LQFP
240 Pin LBGA
-40°C to +85°C
Applications
• Multi-service access platforms
• CTI applications
• Gateways, Integrated Access Devices
• ST-BUS and H.110 interface applications
Description
The MT90866 Digital Switch provides switching
capacities of 4,096 x 2,432 channels between
backplane and local streams, 2,432 x 2,432
channels among local streams and 2,048 x 2,048
channels among backplane streams. The local
connected serial inputs and outputs have 32, 64 and
128 64kb/s channels per frame with data rates of
2.048, 4.096 and 8.192Mb/s respectively. The
backplane connected serial inputs and outputs have
128 and 256 64kb/s channels per frame with data
rates of 8.192 and 16.384Mb/s respectively.
The MT90866 also offers a sub-rate switching
configuration which allows 2-bit wide 16kb/s or 4-bit
wide 32kb/s data channels to be switched within the
device.
The device has features that are programmable on
per-stream or per-channel basis including message
mode, input delay offset, output advancement offset,
direction control and high impedance output control.
1
1 page  
Preliminary Information
Notes:
MT90866
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MT90866.PDF ] | |
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