Get a quote for the 16C505. It may surprise you. At 11:24 AM 2/20/99 +1300, you wrote: >QUESTION(s): > >Reply by pvt email may be best unless of special interest to list. >Also, I'm on PIClist digest now so a direct email will reach me >faster. >I could summarise & post info if several useful replies received. > > >1. Has anyone got reasonable information on the price of bottom >end PICs in say 1000 and 20000 quantities. Candidates would be >12C508, 508A, 509, 509A, 16C54, 16C56 AND any of the newer variants >with similar functionality and cost. > >2. Also - if there is any known PIC which is similarly priced but >functionally much more capable in these quantities. eg is there >anything with a 14 bit core that can compete on price. eg 554, 556 >etc > >Potential targets seem to be: >12C- 508, 509, 681 >16C 54, 56, 622, 826 (exists?) >16F ??? (probably too dear) > >I've sought this information via the Microchp website, email to >Microchip and discussions with a local supplier. >Without going into boring detail - I need more information than I've >got so far. > >BACKGROUND: > >I've been asked to consider picking up an existing PIC development >project at short notice. >I need information before a meeting on Monday 10am (NZ time) > >I'm looking for comparative pricing for bottom end PICs in moderate >to large quantities. > >If it works out (and it should) annual volumes should initially be >around 20,000 per annum and could be very much more than this if it >really took off. > >This is yet another multi-drop network system but with a very special >difference - can't give details yet but probably will be able to in >due course. >The system has 2 main components - one is very cost sensitive and >probably has a finished cost of around $US12 so processor cost must >be minimal. > >The prototypes to date use a 12C508. I haven't seen code yet but I >understand that more ROM is probably going to be needed and also >possibly more I/O. 12 bit core will probably be adequate. > >More pins COULD be provided by serial I/O if going from an 8 pin to >18 pin PIC is not costs effective. > >Summary of prices I have so far (using $US1 = $NZ2 which is about >right) >This actually puts the $US price slightly too low. > >16C56 $US1.70/1000s Must be able to be less than this !!! >16C622 $US2.00/10,000s >12C508 $US1.60ish / 100,000s >12C508A $US1.55ish/10,000s >12C509A $US1.50ish / 1000s > >The surprises to me here are the lower cost of 12C509A compared with >12C508 and the high cost of eg 16C56. > >Does anyone have better figures? > > > >TIA > > Russell McMahon > > Larry G. Nelson Sr. mailto:L.Nelson@ieee.org http://www.ultranet.com/~nr