Melanie already answered this...
Quote Originally Posted by Melanie View Post
As regarding EEPROMS... the 'C' device is a plain SERIAL device requiring something like SHIFTIN/SHIFTOUT usage, whereas the 'LC' is an I2C BUS device requiring I2CWRITE/I2CREAD usage.
Look at the last few pages of the PIC's data sheet. The info you seek is there
a differance in package, some like surface, some like dips.