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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">Hi Rick!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">For prototyping you could use SMD adapters like these:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><a href="http://www.ebay.com/itm/2-units-SOIC24-SOIC-24-SSOP24-SSOP-24-Adapter-PCB-SMD-Convert-DIP-/161768213109?hash=item25aa230a75">http://www.ebay.com/itm/2-units-SOIC24-SOIC-24-SSOP24-SSOP-24-Adapter-PCB-SMD-Convert-DIP-/161768213109?hash=item25aa230a75</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">Ciao<br>
Peter<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">Von:</span></b><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Rick Jansen [mailto:rick.jansen@xs4all.nl]
<br>
<b>Gesendet:</b> Montag, 10. August 2015 10:24<br>
<b>An:</b> Ullrich Peter<br>
<b>Cc:</b> rsdio@audiobanshee.com; Synth-Diy List<br>
<b>Betreff:</b> Re: [sdiy] 7-segment LED displays with 4511 driver chip - max current?<o:p></o:p></span></p>
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<p class="MsoNormal">Thanks! 8575 is great too, and as a 16-bit chip preferred, even, but not available in oldfashioned DIP format, only the lowprofile miniature... There's always something :-)<br>
<br>
rick<o:p></o:p></p>
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On 10 Aug 2015, at 10:02, Ullrich Peter <<a href="mailto:Peter.Ullrich@kapsch.net">Peter.Ullrich@kapsch.net</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">And if you use other I2C controllers you can have up to 28 IOs in one chip. (push-pull possible, but interrupts on input for only a few lines)
<a href="http://www.maximintegrated.com/en/products/interface/controllers-expanders/MAX7300.html">
http://www.maximintegrated.com/en/products/interface/controllers-expanders/MAX7300.html</a></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">There is also a SPI version available with similar IOs</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><a href="http://www.maximintegrated.com/datasheet/index.mvp/id/3371/part/MAX7301">http://www.maximintegrated.com/datasheet/index.mvp/id/3371/part/MAX7301</a></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">But on the negative side you are single sourced with these parts.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">For standard parts there are also 16 bit version widely available: PCF8575</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><a href="http://www.ti.com/lit/ds/symlink/pcf8575.pdf">http://www.ti.com/lit/ds/symlink/pcf8575.pdf</a></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D">Ciao<br>
Peter</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"><a href="http://www.ullrich.at.tt">http://www.ullrich.at.tt</a></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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