DS28CN01
DS28CN01 is 1Kbit I2C/SMBus EEPROM manufactured by Maxim Integrated.
Description
The DS28CN01 bines 1024 bits of EEPROM with challenge-and-response authentication security implemented with the Federal Information Publications (FIPS) 180-1/180-2 and ISO/IEC 10118-3 Secure Hash Algorithm (SHA-1). The memory is organized as four 32-byte pages. Data copy protection and EPROM emulation features are supported for each memory page. Each DS28CN01 has a guaranteed unique factory-programmed 64-bit registration number. munication with the DS28CN01 is acplished through an industrystandard I2C-patible and SMBus™-patible interface. The SMBus timeout feature resets the device’s interface if a bus-timeout fault condition is detected.
Applications
PCB Unique Serialization
Accessory and Peripheral Identification
Equipment Registration and License Management
Network Node Identification
Printer Cartridge Configuration and Monitoring
Medical Sensor Authentication and Calibration
System Intellectual Property Protection
Pin Configuration
TOP VIEW
AD0 1 AD1 2 N.C. 3 GND 4
+
μSOP
8 VCC 7 N.C. 6 SCL 5 SDA
Features
- 1024 Bits of EEPROM Memory Partitioned Into Four Pages of 256 Bits
- Dedicated Hardware-Accelerated SHA-1 Engine for Generating SHA-1 MACs
- EEPROM Memory Pages Can Be Individually Copy Protected or Put Into EPROM Mode (Program from 1 to 0 Only)
- Write Access Requires Knowledge of the Secret and the Capability of puting and Transmitting a 160-Bit MAC as Authorization
- Unique, Factory-Programmed, and Tested 64-Bit Registration Number Assures Absolute Traceability Because No Two Parts are Alike
- Endurance 200,000 Cycles at +25°C
- Serial Interface User Programmable for I2C Bus and SMBus patibility
- Supports 100k Hz and 400k Hz I2C munication Speeds
- +5.5V Tolerant Interface Pins
- Operating Ranges: +1.62V to +5.5V, -40°C to +85°C
- 8-Pin µSOP Package
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
DS28CN01U-A00+ -40°C to +85°C 8 μSOP
DS28CN01U-A00+T -40°C to +85°C 8 μSOP
+Denotes a lead(Pb)-free/Ro HS-pliant package. T =...