What do you use them for? In another thread we discussed multiple languages on the display, storing the language selection in a cheap serial eeprom, allow you to ship every unit in inglese with instructions on how to change the language. I have done scales, an eeprom is a convenient place to store calibration information - Jay, please do not write Weights and Measures. The weightlifters (and boxers etc.) at the Atlanta olympics were weighed on (sealed) scales with the calibration in eeprom.