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Features

One of a Family of Devices with User Memories from 1 Kbit to 256-Kbit 1-Kbit (128-byte) EEPROM User Memory

–Four 32 byte (256 bit) Zones–Self-timed Write Cycle

–Single Byte or 16-byte Page Write Mode

–Programmable Access Rights for Each Zone2-Kbit Configuration Zone

–37-byte OTP Area for User-defined Codes

–160-byte Area for User-defined Keys and PasswordsHigh Security Features

–64-bit Patented Dynamic Symetric Mutual Authentication Protocol–Encrypted Checksum–Stream Encryption

–Four Key Sets for Authentication and Encryption–Eight Sets of Two 24-bit Passwords–Anti-tearing Function

–Voltage and Frequency MonitorSmart Card Features

–ISO 7816 Class A (5V) or Class B (3V) Operation

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ISO 7816-3 Asynchronous T = 0 Protocol (Gemplus® Patent)

–Multiple Zones, Key Sets and Passwords for Multi-application Use–Synchronous 2-wire Serial Interface for Faster Device Initialization–Programmable 8-byte Answer-To-Reset Register–ISO 7816-2 Compliant ModulesEmbedded Application Features

–Low Voltage Operation: 2.7V to 5.5V

–Secure Nonvolatile Storage for Sensitive System or User Information–2-wire Serial Interface

–1.5 MHz Compatibility for Fast Operation–Standard 8-lead Plastic Packages

–Same Pinout as 2-wire Serial EEPROM'sHigh Reliability

–Endurance: 100,000 Cycles–Data Retention: 10 years–ESD Protection: 4,000V min

Table 1. Pin Configuration

PadVCCGNDSCL/CLKSDA/IORST

DescriptionSupply VoltageGround

Serial Clock InputSerial Data Input/OutputReset Input

ISO Module Contact

C1C5C3C7C2

Standard Package Pin

8465NC

Note: This is a summary document. A complete document isavailable under NDA. For more information, please contact yourlocal Atmel sales office.

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