AT88SC0204CRF中文資料愛特梅爾數(shù)據(jù)手冊(cè)PDF規(guī)格書

Description

The CryptoRF? family integrates a 13.56 MHz RF interface into a CryptoMemory?, resulting in a contactless smart card with advanced security and cryptographic features. This device is optimized as a contactless secure memory, for RF smart cards, and secure data storage, without the requirement of an internal microprocessor.

Features

? One of a Family of Devices with User Memory of 1 Kbit to 64 Kbits

? Contactless 13.56 MHz RF Communications Interface

– ISO/IEC 14443-2:2001 Type B Compliant

– ISO/IEC 14443-3:2001 Type B Compliant Anticollision Protocol

– Command Set Optimized for Multicard RF Communications

– Tolerant of Type A Signaling for Multiprotocol Applications

? Integrated 82 pF Tuning Capacitor

? User EEPROM Memory

– 2 Kbits Configured as Four 64-byte (512-bit) User Zones

– Byte, Page, and Partial Page Write Modes

– Self-timed Write Cycle

? 256-byte (2-Kbit) Configuration Zone

– User-programmable Application Family Identifier (AFI)

– User-defined Anticollision Polling Response

– User-defined Keys and Passwords

? High-Security Features

– 64-bit Mutual Authentication Protocol (under license of ELVA)

– Encrypted Checksum

– Stream Encryption

– Four Key Sets for Authentication and Encryption

– Four Sets of Two 24-bit Passwords

– Password and Authentication Attempts Counters

– Selectable Access Rights by Zone

– Antitearing Function

– Tamper Sensors

? High Reliability

– Endurance: 100,000 Write Cycles

– Data Retention: 10 Years

– Operating Temperature: ?40°C to +85°C