On Thu, Apr 16, 2009 at 2:26 PM, Vitaliy wrote: > solarwind wrote: >>I just sampled some MAX233A chips (TTL <---> RS-232 drivers). These >> are the newer ones that require no external caps for the charge pumps. > > Yeah, it's great that you don't need external caps for charge pumps, but you > end up overpaying $8 per IC compared to, say, MAX221. Is it really worth it? > > Vitaliy It is when you get them for free :) -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist