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MT90812APR1 PDF预览

MT90812APR1

更新时间： 2024-09-24 20:09:51
品牌 Logo 应用领域
加拿大卓联 - ZARLINK 电信电信集成电路
页数 文件大小 规格书
104页 936K
描述
Digital Time Switch, PQCC68, LEAD FREE, PLASTIC, MS-018AE, LCC-68

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MT90812APR1 技术参数

生命周期：Transferred包装说明：QCCJ,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.62JESD-30 代码：S-PQCC-J68
JESD-609代码：e3长度：24.23 mm
功能数量：1端子数量：68
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：QCCJ
封装形状：SQUARE封装形式：CHIP CARRIER
认证状态：Not Qualified座面最大高度：4.57 mm
标称供电电压：5 V表面贴装：YES
电信集成电路类型：DIGITAL TIME SWITCH温度等级：INDUSTRIAL
端子面层：MATTE TIN端子形式：J BEND
端子节距：1.27 mm端子位置：QUAD
宽度：24.23 mmBase Number Matches：1

MT90812APR1 数据手册

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MT90812  
Integrated Digital Switch (IDX)  
Advance Information  
Mar 2011  
Ordering Information  
Features  
MT90812AP  
MT90812AL  
68 Pin PLCC  
64 Pin MQFP  
68 Pin PLCC  
68 Pin PLCC*  
64 Pin MQFP*  
68 Pin PLCC*  
Tubes  
Trays  
MT90812APR  
MT90812AP1  
MT90812AL1  
MT90812APR1  
Tape & Reel  
Tubes, Bake & Drypack  
Trays  
•
•
•
•
•
192 channel x 192 channel non-blocking  
switching  
2 local bus streams @ 2Mb/s supports up to 64  
channels  
Tape & Reel,  
Bake & Drypack  
*Pb Free Matte Tin  
-40 to 85°C  
Description  
In TDM mode, the expansion bus supports up  
to 128 channels at 8.192 Mb/s  
Rate conversion capability between local and  
expansion bus streams  
Integrated conference bridge, supporting 15  
parties over 5 bridges  
Integrated PLL  
Frequency Shift Keying (FSK) 1200 baud  
transmitter, meeting Bell 202 or CCITT V.23  
standards  
32 channel dual tone generator, including 16  
standard DTMF tones and tone ringer  
Expansion bus in IDX Link mode, allows the  
interconnection of up to 4 IDX devices  
Programmable per channel gain control from +3  
to -27dB, increments of 1dB for output channels  
By integrating key functions needed in voice telecom  
application, the Integrated Digital Switch (IDX)  
provides a solution-on-a-chip for key telephone  
systems, PBX applications or CTI designs. Figure 2  
shows a typical configuration.  
•
•
The MT90812 provides non-blocking timeslot  
interchange capability for B, C and D channels, up to  
a maximum of 192 channels. It offers conference call  
capability for 15 parties over a maximum of 5  
conference bridges. With its integrated PLL, the  
MT90812 provides the necessary clocks to support  
•
•
•
•
peripheral  
devices,  
such  
as  
codecs  
or  
interconnected IDX devices. Integrated into the IDX  
is the capability to detect supervisory signalling and  
to generate FSK 1200-baud signals. In addition, an  
Supervisory signalling cadence detection  
capability  
integrated  
digital  
tone  
generator  
produces  
continuous dual tones, including standard DTMF.  
•
•
•
HDLC resource allocator  
D-channel buffering of message information  
C-channel access for control and status  
registers  
Provides both variable and constant delay  
modes  
Parallel microprocessor port, compatible to Intel  
and Motorola and National CPU’s  
Supports both A-law or u-law operation  
Supports both ST-BUS, GCI and HMVIP  
framing formats  
With its programmable gain control, the IDX allows  
users to use codecs without gain control and also  
centrally manage conference calls.  
•
•
To support both small and large switching platforms,  
a built-in expansion Bus allows the interconnection of  
up to 4 IDX devices or external components such as  
•
•
digital switches. When  
4
IDX devices are  
interconnected, the array is capable of switching 256  
channels (64x4), handling 60 conference parties  
(15x4) and generating additional tones including  
programmable ones. Other functions are also  
increased in this configuration. The functional block  
diagram is shown in Figure 1.  
Applications  
•
•
•
Computer Telephony Integration (CTI)  
Key Telephone Systems  
Private Branch Exchange (PBX) Systems  
An evaluation board, MEB90812, is available  
complete with software and a user manual, which  
demonstrates the layout of a typical application  
board and facilitates the use of the MT90812, and  
peripheral devices such as Zarlink’s DNIC products.  
1
Zarlink Semiconductor Inc.  
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.  
Copyright 1999-2011, Zarlink Semiconductor Inc. All Rights Reserved.  
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