[sdiy] 7-segment LED displays with 4511 driver chip - max current?

Rick Jansen rick.jansen at xs4all.nl
Mon Aug 10 10:24:12 CEST 2015

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 :-)


> On 10 Aug 2015, at 10:02, Ullrich Peter <Peter.Ullrich at kapsch.net> wrote:
> 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) http://www.maximintegrated.com/en/products/interface/controllers-expanders/MAX7300.html
> There is also a SPI version available with similar IOs
> http://www.maximintegrated.com/datasheet/index.mvp/id/3371/part/MAX7301
> But on the negative side you are single sourced with these parts.
> For standard parts there are also 16 bit version widely available: PCF8575
> http://www.ti.com/lit/ds/symlink/pcf8575.pdf
> Ciao
> Peter
> http://www.ullrich.at.tt
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