>Placing them on an alumin(i)um sheet or in conductive foam stopped >the deaths. While this COULD have been due to cooling we concluded >at the time that the mechanism was probably electrostatic damage >in the very toasty conditions. In my case the EPROMs were still in the PCB, so I would have expected the various protection diodes and pull-up resistors to have provided ESD protection. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist