I'm working on an idea for a robot navigation
system using a PIC, but I need approx 2000 bytes
or RAM. The ram only needs to be written/read
sequentially, but I need decent speed and don't
have that many PIC pins.

I can spare 8 pins for the data port (read/write)
and a clock and reset pin, and read/write pin, is
11 pins total. Maybe 12 pins available if necessary.

I don't want to use flash eeprom or any I2C addressed
memory as it is constantly reading/writing at a fair
speed. ie must be parallel data read/write.

Any suggestions for a cheap, minimum chip solution
to get the extra 2000 or 4000 bytes of RAM attached
to my PIC?
:o)
-Roman

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