Microchip AT88SC0204CA-SH

Защищенная памятьВстраиваемые, смарт-карты8-SOIC (ширина 0,154", 3,90 мм)

Overview

Mature product, not recommended for new designs. Replaced by AT88RF04C

• One of a Family of Devices with User Memories from 1 Kbit to 1 Mbit • 2-Kbit (256 Bytes) EEPROM User Memory – Four 64-byte (512-bit) Zones – Self-timed Write Cycle (5 ms) – 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 – 64-bit Patented Dynamic Symetric Mutual Authentication Protocol (Under Exclusive Patent License from 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 – 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 – 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 EEPROMs • High Reliability – Endurance: 100,000 Cycles – Data Retention: 10 years – ESD Protection: 4,000V min

Features

Applications

• Anti-cloning
• Message Security
• µP Switch Interfacing
• Industrial Instruments
• PC-Based Instruments
• Portable Instruments
• Membrane Keypads
• Authentication of Medical Sensors and Tools
• Secure Management of Limited Use Consumables
• IoT Node Authentication