At 12:19 PM 4/6/03 -0400, Doug Butler wrote: >Now that some digital test gear is passing its 25th birthday or more, has >anyone had problems with EPROM life? EPROM datasheets from the mid 1970's >give a data retention life of 25 years. I have a HP1631 logic analyser that >is currently running fine but is over 20 years old. Should I worry about it >losing its program? Would it be worth removing the EPROMS and making >archive copies of their contents? Absolutely. The local Space and Sciences Centre here in Edmonton has had a lot of problems with their Star Projector exactly because of this. dwayne -- Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax Celebrating 19 years of Engineering Innovation (1984 - 2003) .-. .-. .-. .-. .-. .-. .-. .-. .-. .- `-' `-' `-' `-' `-' `-' `-' `-' `-' Do NOT send unsolicited commercial email to this email address. This message neither grants consent to receive unsolicited commercial email nor is intended to solicit commercial email. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu