Bob, I am not familar with any SPI RAM devices, but I would like to suggest SPI FRAMs. Look at www.ramtron.com. Douglas Wood Software Engineer dbwood@kc.rr.com ICQ#: 143841506 Home of the EPICIS Development System for the PIC http://epicis.piclist.com ----- Original Message ----- From: "Robert E. Griffith" To: Sent: Monday, January 13, 2003 11:14 AM Subject: [PIC]: Looking for SPI RAM to replace SPI EEProm > I am looking for a serial (preferably SPI) plain RAM in an SO8 package. > Preferably 8 bit wide by 16k or 32k. Anyone know of such a chip and where I > can get it? Digi-key does not have anything like it. > > I am using an SPI serial EEPROM (AT25128) attached to a 18F252 to add memory > to store a large sting table. It does not need to be persistent but I was > unable to find any serial plain RAM. Does it exist? If not, is there a > reason? My problem is that at 100K write cycles, it will ware out too soon > in my application. The slower writes is acceptable. > > I am considering switching to a parallel RAM, but I would rather not give up > the board space switching an SO8 for an SO32 which would also require > switching to the 40 pin 18F454 to get more I/O. On the subject of parallel, > does anyone make a 8 bit wide parallel RAM that multiplexes address and data > on just 8 pins? > > Thanks, > > --BobG > > > -- > 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 -- 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