At 12:29 PM 11/2/2005 -0700, you wrote: >Peter wrote: > >>I prefer CD4094 + CD4021 for this sort of application. Voltage range is 3 >>to 15V ;-) It's only the good stuff they don't make anymore (or so they >>say - I think that these chips will be around forever). >> >>Peter >I like the LV595 if below 5V and HC595 if 5V. The advantage is that these >chips are VERY gutsy, can deliver 25mA ea at either rail all day long. > >--Bob Yes, abs. max. is 35mA on the Qn outputs, but it's pretty easy to exceed the maximum Icc or Ignd rating of 70mA. 8-( 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 ->> Inexpensive test equipment & parts http://search.ebay.com/_W0QQsassZspeff -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist