>I have another question regarding low voltage design.  I want to design a
>battery operated circuit (3.3V) with a PIC controller.  My question is
>how do you do the development?  You would obviously want to use a JW
>(windowed) device, but as far as I could gather, the JW devices are only
>rated for 5V (min 4.5V) usage.  I can run the circuit at 5V while
>developing, but since it contains some analog components I cannot be 100%
>sure that it will work at 3.3V as well.  Any suggestions?
JW's work fine at 3v - I think they are tested at low volts, as there
isn't a specific 'LC' version. This was raised at the MCT seminar last
week, and the MCT guys said the JW's were OK at 3v.  
     ____                                                           ____
   _/ L_/  Mike Harrison / White Wing Logic / wwl@netcomuk.co.uk  _/ L_/
 _/ W_/  Hardware & Software design / PCB Design / Consultancy  _/ W_/
/_W_/  Industrial / Computer Peripherals / Hazardous Area      /_W_/