參數(shù)資料
型號(hào)： MT90869AG
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 路由/交換
英文描述： Flexible 16K Digital Switch (F16kDX)
中文描述： TELECOM, DIGITAL TIME SWITCH, PBGA272
封裝： 27 X 27 MM, 1.27 MM PITCH, PLASTIC, MS-034-BAL-2, BGA-272
文件頁(yè)數(shù)： 2/76頁(yè)
文件大小： 1316K
代理商： MT90869AG
MT90869
Data Sheet
2
Zarlink Semiconductor Inc.
Per-channel message mode for local and backplane output streams.
Connection memory block programming for fast device initialization.
BER testing for local and backplane ports.
Automatic selection between ST-BUS and GCI-BUS operation.
Non-multiplexed Motorola microprocessor interface.
Conforms to the mandatory requirements of the IEEE-1149.1 (JTAG) standard.
Memory Built-In-Self-Test (BIST), controlled via microprocessor registers.
1.8V core supply voltage.
3.3V I/O supply voltage.
5V tolerant inputs, outputs and I/Os.
Per stream 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 MT90869 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 2.048Mb/s, 4.096Mb/s, 8.192Mb/s or 16.384Mb/s, in
any combination, or 16 input and 16 output streams operated at 32.768Mb/s. The Local port has 32 input and 32
output streams operated at 2.048Mb/s, 4.096Mb/s, 8.192Mb/s or 16.384Mb/s, in any combination.
The MT90869 contains two data memory blocks (Backplane and Local) to provide the following switching path
configurations:
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).
Backplane-to-Local, supporting 8K x 8K data switching,
Local-to-Backplane, supporting 8K x 8K data switching,
Backplane-to-Backplane, supporting 8K x 8K data switching.
Local-to-Local, supporting 8K x 8K data switching.
In Connection Mode the contents of the connection memory defines, for each output stream and channel, the source
stream and channel (stored in data memory) to be switched.
In Message Mode, microprocessor data can be written to the connection memory for broadcast on the output
streams on a per channel basis. This feature is useful for transferring control and status information to external
circuits or other ST-BUS devices.
The device uses a master frame pulse (FP8i) and master clock (C8i) to define the frame boundary and timing for
both the backplane port and the local port. The device will automatically detect whether an ST-BUS or a GCI-BUS
style frame pulse is being used. There is a two frame delay from the time RESET is de-asserted to the establishment
of full switch functionality. During this period the frame format is determined before switching begins.
The device provides FP8o, FP16o, C8o and C16o outputs to support external devices connected to the local port.
相關(guān)PDF資料
PDF描述
MT90870 Flexible 12 k Digital Switch (F12kDX)
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MT90871 Flexible 8K Digital Switch (F8KDX)
MT90883 TDM to Packet Processors
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT90869AG2 制造商:Microsemi Corporation 功能描述:PB FREE 8K X 8K DIGITAL SWITCH 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 16KX16K/8KX8K 1.8V/3.3V 272BGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH F16KDX 272PBGA 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH F16KDX 272PBGA
MT90870 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Flexible 12 k Digital Switch (F12kDX)
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)
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