Maxim Integrated

iButtons® are alternatives to smartcards, proxcards, barcodes, and RFID tags. All iButtons contain a computer chip with a globally unique address enclosed in a 16mm stainless-steel case. iButtons come in over 20 different versions which include secure read/write memory, real time clocks and data loggers. All this power and capability make iButtons ideal for a wide range of applications including access control, eCash transactions, asset tracking, and environmental data logging.