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參數(shù)資料
| 型號： | MT90870 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | Flexible 12 k Digital Switch (F12kDX) |
| 中文描述： | 靈活的12畝數(shù)字交換機（F12kDX） |
| 文件頁數(shù)： | 2/86頁 |
| 文件大?。?/td> | 2093K |
| 代理商： | MT90870 |
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MT90870
Data Sheet
2
Zarlink Semiconductor Inc.
Constant throughput delay for frame integrity
Per-channel high impedance output control for Local and Backplane streams
Per-channel driven-high output control for Local and Backplane streams
High impedance-control outputs for external drivers on Backplane and Local port
Per-channel message mode for Local and Backplane output streams
Connection memory block programming for fast device initialization
Automatic selection between ST-BUS and GCI-BUS operation
Non-multiplexed Motorola microprocessor interface
BER testing for Local and Backplane ports
Conforms to the mandatory requirements of the IEEE-1149.1 (JTAG) standard
Memory Built-In-Self-Test (BIST), controlled via microprocessor registers
1.8 V core supply voltage
3.3 V I/O supply voltage
5 V tolerant inputs, outputs and I/Os
Per streams subrate switching at 4 bit, 2 bit and 1 bit depending on stream data rate
Applications
Central Office Switches (Class 5)
Mediation Switches
Class-independent switches
Access Concentrators
Scalable TDM-Based Architectures
Digital Loop Carriers
Device Overview
The MT90870 has two data ports, the Backplane and the Local port. The Backplane port has two modes of
operation, either 32 input and 32 output streams operated at 2.048 Mb/s, 4.096 Mb/s, 8.192 Mb/s or 16.384 Mb/s,
in any combination, or 16 input and 16 output streams operated at 32.768 Mb/s. The Local port has 16 input and 16
output streams operated at 2.048 Mb/s, 4.096 Mb/s, 8.192 Mb/s or 16.384 Mb/s, in any combination.
The MT90870 contains two data memory blocks (Backplane and Local) to provide the following switching path
configurations:
Backplane-to-Local, supporting 8 K x 4 K data switching,
Local-to-Backplane, supporting 4 K x 8 K data switching,
Backplane-to-Backplane, supporting 8 K x 8 K data switching.
Local-to-Local, supporting 4 K x 4 K data switching.
The device contains two connection memory blocks, one for the Backplane output and one for the Local output.
Data to be output on the serial streams may come from either of the data memories (Connection Mode) or directly
from the connection memory contents (Message Mode).
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MT90870AG | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 12K X 12K/8K X 4K 1.8V/3.3V 272BGA - Trays |
| MT90870AG2 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 12K X 12K/8K X 4K 1.8V/3.3V 272BGA - Trays |
| MT90871 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Flexible 8K Digital Switch (F8KDX) |
| MT90871AV | 制造商:Microsemi Corporation 功能描述:FLEXIBLE 8K DIGITAL SWITCH 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH F8KDX 196PBGA 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH F8KDX 196PBGA |
| MT90871AV2 | 制造商:Microsemi Corporation 功能描述:PB FREE FLEXIBLE 8K DIGITAL SWITCH - Bulk 制造商:Microsemi Corporation 功能描述:IC, TDM SWITCH 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH F8KDX 196PBGA 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH F8KDX 196PBGA |
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