AT88SC0204CA Datasheet, PDF (1/20 Pages) ATMEL Corporation – CryptoMemory

1. Features
• One of a Family of Devices with User Memories from 1-Kbit to 8-Kbits
• 2-Kbit (256-byte) EEPROM User Memory
– Four 512-bit (64-byte) 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)
– Cryptographic Message Authentication Codes (MAC)
– Stream Encryption
– Four Key Sets for Authentication and Encryption
– Eight Sets of Two 24-bit Passwords
– Anti-Tearing Function
– Voltage and Frequency Monitors
• Smart Card Features
– ISO 7816 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 – 3.6V
– 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
– Same Pin Configuration as AT24CXXX Serial EEPROM in SOIC and PDIP Packages
• High Reliability
– Endurance: 100,000 Cycles
– Data Retention: 10 years
– ESD Protection: 2,000V min
CryptoMemory
AT88SC0204CA
Summary
Table 1-1.
Pad
VCC
GND
SCL/CLK
SDA/IO
RST
Pads
Description
Supply Voltage
Ground
Serial Clock Input
Serial Data Input/Output
Reset Input
ISO Module
C1
C5
C3
C7
C2
“SOIC, PDIP”
8
4
6
5
NC
TSSOP
8
1
6
3
NC
5202AS–CRYPT–7/08