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Features One of a Family of Devices with User Memories
from 1-Kbit to 8-Kbit EEPROM User MemoryFour or eight zones Self-timed write cycles Single-byte or multiple-byte page write
modes Programmable access rights for each zone 2-Kbit Configuration Zone37-byte OTP area for user-defined codes 160-byte area for user-defined keys and
passwords High-Security Features
64-bit mutual authentication
protocol
Cryptographic message authentication
codes (MACs)
Stream encryption
Four key sets for authentication and
encryption
Eight sets of two 24-bit passwords
Anti-tearing function
Voltage and frequency monitoring
Embedded Application FeaturesLow-voltage supply: 2.7V to 3.6V Secure nonvolatile storage for sensitive system
or user information Two-Wire serial interface (TWI, 5V
compatible)
1 MHz compatibility for fast
operation Standard 8-lead plastic packages, green compliant
(exceeds RoHS) Same pinout as Two-Wire serial EEPROMs Smart Card FeaturesISO 7816 Class B (3V) operation ISO 7816-3 asynchronous T = 0 protocol Multiple zones, key sets and passwords for
multi-application use Synchronous Two-Wire serial interface for faster
device initialization Programmable 8-byte Answer-to-Reset (ATR)
register ISO 7816-2 compliant modules High ReliabilityEndurance: 100,000 Cycles Data Retention: 10 Years ESD Protection: 2,000V
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.