Check out http://www.ramtron.com They have a range of SPI FRAM that can write to memory as fast as you can send the data. 5V but only up to 64 k Bit. They have a I2C version to 256 K Bit. Kind Regards David Huisman (CEO) ----------------------------------------------------------------------- ORBIT COMMUNICATIONS - Wireless Solutions that Work (Telemetry, Control, Monitoring, Security, HVAC ...) Website : http://www.orbitcoms.com PO Box 4474 Lakehaven NSW 2259, AUSTRALIA Phone: 61-2-4393-3627 Fax : 61-2-4393-3685 Mobile: 61-413-715-986 ----- Original Message ----- From: "William Chops Westfield" To: Sent: Wednesday, January 15, 2003 10:47 AM Subject: Re: [PIC]: Looking for SPI RAM to replace SPI EEProm > Once you go to a 40-pin design, why would you stick with an architecture > that requires that you fiddle with IO lines to read RAM? RAM-heavy designs > start to look like they should be done on microcontrollers that explicitly > support external memory, like the (40pin) 8051 variants. Atmel has some > nice flash-based, ICP 8x51 chips, as does Siemens. Even very old, very > cheap, rom-based chips might work, as you can think about using external > code rom/flash as well as external ram... > > DSP architectures tend to be ram heavy, and are being pushed down in package > size and cost (aimed at power and motor control and such), but I haven't > noticed whether any of the RAM-heavy chips have hit the small packages. > > BillW > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body