i Button-EEPROM-256-bit-Dallas-Semiconductor-DS1971-F5-p-This-i Button-device-is-a-rugged-read-write-data-carrier-that-can-be-used-to-store-&-identify-information-With-a-256-bit-EEPROM-memory-the-device-can-be-used-in-a-wide-variety-of-applications-where-product-or-personnel-data-are-required-to-be-accessible-BR-BR-As-part-of-an-i Button-system-the-data-is-easily-written-&-accessed-&-the-durable-Micro Can-package-is-highly-resistant-to-harsh-environments-making-this-device-suita