Features
• One of a Family of Devices with User Memories from 1 Kbit to 1 Mbit
• 4-Kbit (512-byte) EEPROM User Memory
– Four 128-byte (1-Kbit) 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 Features
CryptoMemory®
4 Kbit
– 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
AT88SC0404C
Summary
– 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
– 1.5 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
Table 1. Pin Configuration
Pad
Description
ISO Module Contact
Standard Package Pin
VCC
Supply Voltage
Ground
C1
C5
C3
C7
C2
8
4
GND
SCL/CLK
SDA/IO
RST
Serial Clock Input
Serial Data Input/Output
Reset Input
6
5
NC
8-lead SAP
8-lead SOIC, PDIP
Smart Card Module
VCC=C1
RST=C2
C5=GND
C6=NC
VCC
NC
NC
NC
NC
NC
VCC
NC
8
7
6
5
1
2
3
4
1
2
3
4
8
7
6
5
NC
SCL/CLK=C3
NC=C4
C7=SDA/IO
C8=NC
SCL
SDA
NC
SCL
SDA
GND
GND
Rev. 2023ES–SMEM–07/04
Bottom view
Note: This is a summary document. A complete document is
available under NDA. For more information, please contact your
local Atmel sales office.
1