Features

• One of a Family of 9 Devices with User Memories from 1 Kbit to 256-Kbit

• 4-Kbit (512-byte) EEPROM User Memory

⎯ Four 128-byte (1-Kbit) Zones

⎯ Self-timed Write Cycle

⎯ Single Byte or 16-byte Page Write Mode

⎯ Programmable Access Rights for Each Zone

• 2-Kbit Configuration Zone

⎯ 37-byte OTP Area for User-defined Codes

⎯ 160-byte Area for 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

⎯ Eight Sets of Two 24-bit Passwords

⎯ Anti-tearing Function

⎯ Voltage and Frequency Monitor

• Smart Card Features

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

⎯ 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 Modules

• Embedded Application Features

⎯ Low Voltage Operation: 2.7V to 5.5V

⎯ Secure Nonvolatile Storage for Sensitive System or User Information

⎯ 2-wire Serial Interface

⎯ 1.0 MHz Compatibility for Fast Operation

⎯ Standard 8-lead Plastic Packages, Green Compliant (exceeds RoHS)

⎯ Same Pinout as 2-wire Serial EEPROMs

• High Reliability

⎯ Endurance: 100,000 Cycles

⎯ Data Retention: 10 years

⎯ ESD Protection: 4,000V min

* Note: Modules available with either T=0 / 2-wire modes or 2-wire mode

only.

CryptoMemory

®

4 Kbit

AT88SC0404C

Summary

2023KS–SMEM–10/09