What voltage are you dealing with? For 3.3V there appears to be alot of choices but limited on 5V. STmicro has the M24M01-R. The do have a 1M part but its I2C. I do like the FRAM parts, almost used one last year but the application went away. However they are more expensive. Spehro Pefhany wrote: Quoting Harold Hallikainen : > This has been asked numerous times over the years, but I don't think I've > seen it recently. Is anyone aware of any SPI RAM to expand upon the PIC's > internal RAM? So far my best bet appears to be FRAM > (http://www.ramtron.com/products/nonvolatile-memory/serial.aspx ). Other > ideas? > > Thanks! > > Harold LM3S101 ? 16k bits of SRAM, SPI slave. Some assembly (or C) required. Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" s...@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist