Microchip makes both an 8-bit addressable only and a 8/16-bit accessable version. Make sure they have the correct part. Mark ----- Original Message ----- From: To: Sent: Saturday, September 02, 2000 8:14 PM Subject: National vs MicroChip 93LC46 > Hi > > Some time ago I wrote a routine to access a National Semi > 93LC46. It worked find, I limited the code to only accessing one > byte at a time and allowed extra clock delay time. > > Since then, the vendor was moved over to using the MicroChip 93LC46. > With this chip, they tell me that my software is now giving them a EEPROM > fault. > > The software on power up read/write the $55/$AA to a EEPROM location to > determine if the EEPROM is working, if not, it will flash an LED fault code. > > Can anyone tell me if what problems, if any, could be caused by subing a > MicroChip > in place of a National? > > I had always thought that if your code worked with the National part then it > would work with the MicroChip. But, the reverse case may not work. > > Thanks, > > Paul > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > use mailto:listserv@mitvma.mit.edu?body=SET%20PICList%20DIGEST > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics