Recently introduced by Maxim is a line of RFID keys and cards designed for the 2 billion units per year automatic identification, access control and electronic cash (e-cash) markets.
This new contactless RFID product family (the MAX66000/020/040/100/120/140) leverages the expertise utilised in the company’s popular 1-Wire secure authentication ICs, which protect intellectual property in embedded systems. With a 13,56 MHz interface, these secure keys are packaged in a laminated plastic key fob or ISO thin card format and are available in either the ISO 14443B or ISO 15693 HF protocol.
Each protocol family offers three products: 64-bit ROM ID only (MAX66000/MAX66100), ROM ID plus 1 Kbit EEPROM (MAX66020/MAX66120) or ROM ID plus 1 Kbit EEPROM and SHA-1 authentication (MAX66040/MAX66140). Custom form factors are also available.
The MAX66040 and MAX66140 employ the secure hash algorithm (SHA-1), a proven technology designed to protect a system’s critical data without using expensive encryption techniques or an untested, proprietary protocol. SHA-1 is an ISO standard that is publicly available and has been thoroughly tested in the marketplace. It is designed to maintain the integrity of the stored data so that one can verify the authenticity of any credential.
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