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HDMI DVI TMDS442 Video Multiplexer
Related Posts

  • Forum Post: Re: TMDS442 initialization

    Lance Garland
    Thanks Ken, There absolutely are non-compliant DVI sources that can supply some milliamps of current into an unpowered device, I've seen this on some video cards and right now my Quantum 802F video generator on my bench causes 2.4V to appear on the inputs to my unpowered Silicon Image DVI receiver...
    on Nov 19, 2010

  • Forum Post: Re: TMDS442 initialization

    Colin Dawe
    Bill, After doing some checking into the datasheet, the IC uses TI's PowerPAD technology. There are several guideline and reports detailing how to properly implement the PowerPAD devices. please see these links: http://www.ti.com/lit/an/sloa120/sloa120.pdf http://www.ti.com/lit/an/slma002g...
    on Apr 12, 2012

  • Forum Post: TMDS442 initialization

    Lance Garland
    The TMDS442 DVI/HDMI switch has no provision for external reset. The datasheet specifies the state of internal registers on "power up". No specification of what constitutes "power up" is given. How low must the power supply go to assure proper resetting of the internal machine states...
    on Nov 18, 2010

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