DS28E02

所属类别：串行EEPROM
产品名称：1024位EEPROM存储器
厂商：MAXIM
生产批号：12+
封装：sop
库存状态：有库存
库存量：9000
最低订购量：1
详细资料：

Product Introduction

DS28E02 1024-bit EEPROM memory

Key features:

1024-bit EEPROM memory, divided into four pages, 256 bits
The on-chip 512-bit SHA-1 engine calculates the 160-bit information authentication code (MAC) and the generated secret
Write access to the secret you need to know and the computing power and transfer authorization of the 160-bit MAC
User programmable page write protection 0, 3 or 4 pages
Page 1, User Programmable OTP EPROM Simulation Mode ("Write 0")
Communication is done with a single digital signal, and the host utilizes the 1-Wire protocol at 12.5kbps or 35.7kbps
Switching point hysteresis and filtering optimize communication performance in noisy environments
Read and write over 1.75V to 3.65V voltages range from -20°C to +85°C
6-pin TSOC and TDFN packages

Applications/Uses:

Medical consumables certification
Printer cartridge configuration and monitoring
Reference Design License Management
Sensor/accessory verification and calibration
Systematic intellectual property protection

description

The DS28E02 combines 1024-bit EEPROM with a challenge - the security of the certified FIPS 180-3 Secure Hashing Algorithm (SHA-1) implementation. The 1024-bit EEPROM array is configured as a four-page, 256-bit and 64-bit register to perform write operations. All memory pages can be written protected, and one page can only change from 1 to 0 in EPROM simulation mode. Each DS28E02 has its own guaranteed unique 64-bit ROM registration code, which is factory-installed to the chip. DS28E02 communication is via a single-contact 1-Wire® bus. Communication, following the standard 1-Wire protocol, registers the number of 1-Wire network node addresses on a multi-device basis.

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