Hi All,
Just to say that EEPROMs 24LC256 and 24LC512 are available from Farnell, with the following Farnell part numbers:
9757970 - 24LC256 - 2,08€ (http://es.farnell.com/9757970/semiconductors/product.us0?sku=MICROCHIP-24LC256-I-P))
9758020 - 24LC512 - 4,38€ (http://es.farnell.com/9758020/semiconductors/product.us0?sku=MICROCHIP-24LC512-I-P))
Best regards,
Carlos.