At 02:03 AM 2/3/02 -0800, you wrote: >Comes to 1 IC, 24 transistors per segment. Anyone out there with more >elegant solutions? I'd suggest a 128 bit power SR (sink outputs) and 8 source drivers. The exact driver chips depend on the current levels, but this can be done with 16 chips (~16pin) + 4 dual P-channel MOSFETs. The power supply will need to be able to supply several amperes. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com 9/11 United we Stand -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.