Yep. The windowed versions are pricier since they have to be ceramic. What you have is called an "OTP" (for One Time Programmable) device. ----- Original Message ----- From: Stephen R. Gregory <[log in to unmask]> To: <[log in to unmask]> Sent: Friday, May 19, 2000 4:32 PM Subject: [TN] Question about EPROM's... > Hi ya'll! > > Gotta dumb question about EPROM's. If you screw-up and program them wrong > (wasn't me! I didn't do it...hehehe), you can't re-program them unless they > have a glass window in the top of them in which to use ultraviolet light to > erase them...right? > > We've got some EPROM's from a company called "Waferscale" and I went to their > web page and searched for the part number we have. They sell windowed and > non-windowed versions. I'm assuming the non-windowed types are a one shot > deal...am I correct? > > Thanks! > > -Steve Gregory- > > ############################################################## > TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c > ############################################################## > To subscribe/unsubscribe, send a message to [log in to unmask] with following text in > the body: > To subscribe: SUBSCRIBE TECHNET <your full name> > To unsubscribe: SIGNOFF TECHNET > ############################################################## > Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional > information. > If you need assistance - contact Keach Sasamori at [log in to unmask] or > 847-509-9700 ext.5315 > ############################################################## ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################