Hello Dave, I have experienced the same issue with my programmer and found out it must be the slow "Power-Up to First Access (tPU)" of 10ms from the FM1608B/FM16W08. Older FM1608 were much faster (only 1µS).
see details http://www.eevblog.com/forum/metrology/yes-another-3458a-repair-and-nvram-replacement-to-ramtron-fram/msg1115349/#msg1115349[https://deref-gmx.net/mail/client/2vk_h1VL_4g/dereferrer/?redirectUrl=http%3A%2F%2Fwww.eevblog.com%2Fforum%2Fmetrology%2Fyes-another-3458a-repair-and-nvram-replacement-to-ramtron-fram%2Fmsg1115349%2F%23msg1115349] bye Marcus PS: This is my first post, hope this works now with plain text format _______________________________________________ volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
