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        參數(shù)資料
        型號(hào)： MT8981DC
        廠商： Mitel Networks Corporation
        英文描述： ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
        中文描述： 異意法半導(dǎo)體的CMOS總線⑩家庭數(shù)字開關(guān)
        文件頁(yè)數(shù)： 1/17頁(yè)
        文件大?。?/td> 561K
        代理商： MT8981DC
        2-17
        Features
        Zarlink ST-BUS compatible
        4-line x 32-channel inputs
        4-line x 32-channel outputs
        128 ports non-blocking switch
        Single power supply (+5 V)
        Low power consumption: 30 mW Typ.
        Microprocessor-control interface
        Three-state serial outputs
        Description
        This VLSI ISO-CMOS device is designed for
        switching PCM-encoded voice or data, under
        microprocessor
        control,
        exchange, PBX or Central Office. It provides
        simultaneous connections for up to 128 64 kbit/s
        channels. Each of the four serial inputs and outputs
        consist of 32 64 kbit/s channels multiplexed to form a
        2048 kbit/s ST-BUS stream. In addition, the MT8981
        provides microprocessor read and write access to
        individual ST-BUS channels.
        in
        a
        modern
        digital
        Figure 1 - Functional Block Diagram
        STo0
        STo1
        STo2
        STo3
        Serial
        to
        Parallel
        Converter
        Data
        Memory
        Frame
        Counter
        Control Register
        Control Interface
        Output
        MUX
        Connection
        Memory
        Parallel
        to
        Serial
        Converter
        CS R/W A5/
        A0
        DTA D7/
        D0
        C4i
        F0i
        V
        DD
        V
        SS
        ODE
        STi0
        STi1
        STi2
        STi3
        DS
        ISSUE8
        March 1997
        MT8981D
        Digital Switch
        ISO-CMOS ST-BUS
        FAMILY
        Ordering Information
        MT8981DE
        MT8981DP
        40 Pin Plastic DIP
        44 PLCC
        -40
        °
        C to +85
        °
        C
        相關(guān)PDF資料
        PDF描述
        MT8981DL ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
        MT8985AL1 Enhanced Digital Switch
        MT8985AE RULER, FOLDING, PLASTIC, 2M; Colour:Yellow; Graduation:1mm; Length:2000mm; Material:Glass fibre reinforced polyamide; Width:15mm; Width, external:15mm RoHS Compliant: NA
        MT8985AE1 Enhanced Digital Switch
        MT8985AL Enhanced Digital Switch
        相關(guān)代理商/技術(shù)參數(shù)
        參數(shù)描述
        MT8981DE 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Digital Switch
        MT8981DE1 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 128 X 128 5V 40PDIP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM/TSI SWITCH 128X128 40PDIP 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 128X128 40PDIP
        MT8981DL 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
        MT8981DP 制造商:Microsemi Corporation 功能描述:
        MT8981DP1 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 128 X 128 5V 44PLCC - Rail/Tube 制造商:Microsemi Corporation 功能描述:PB FREE DIGITAL SWITCH 制造商:Zarlink Semiconductor Inc 功能描述:PB FREE DIGITAL SWITCH
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