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AT88SA102S PDF预览

AT88SA102S

更新时间: 2024-01-26 07:10:33
品牌 Logo 应用领域
爱特美尔 - ATMEL 电信集成电路电信电路光电二极管
页数 文件大小 规格书
24页 189K
描述
CryptoAuthentication

AT88SA102S 技术参数

生命周期:Obsolete零件包装代码:SOT-23
包装说明:TSSOP,针数:3
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.8JESD-30 代码:R-PDSO-G3
长度:2.9 mm功能数量:1
端子数量:3最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH认证状态:Not Qualified
座面最大高度:1.12 mm标称供电电压:2.7 V
表面贴装:YES电信集成电路类型:TELECOM CIRCUIT
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
宽度:1.3 mmBase Number Matches:1

AT88SA102S 数据手册

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Features  
Secure authentication & key exchange  
Superior SHA-256 Hash Algorithm  
Best in class 256 bit key length  
Guaranteed Unique 48 bit Serial Number  
High speed single wire interface  
Supply Voltage: 2.5 – 5.5V  
1.8 – 5.5 V Communications  
<100nA Sleep Current  
CryptoAuthentication™  
AT88SA102S  
4KV ESD protection  
Multi-level hardware security  
Secure personalization  
Green compliant (exceeds RoHS) 3 pin SOT-23 package  
Product  
Authentication Chip  
Applications  
Authentication of Replaceable Items  
Software anti-piracy  
Network & Computer Access control  
Portable Media Player & GPS System  
Key exchange for encrypted downloads  
Prevention of clones for demo and eval boards  
Authenticated communications for control networks  
Anti-clone authentication for daughter cards  
Physical access control (electronic lock & key)  
Preliminary  
1.  
Introduction  
The AT88SA102S is a member of the CryptoAuthentication family  
of cost-effective authentication chips designed to securely  
authenticate an item to which it is attached. It can also be used to  
exchange session keys with some remote entity so that the system  
microprocessor can securely encrypt/decrypt data. Each  
CryptoAuthentication chip contains  
a pre-programmed serial  
number which is guaranteed to be unique. In addition, it has been  
designed to permit secure personalization so that third parties can  
build devices containing an OEM secret without concern for the  
theft of that secret.  
It is the first small standard product to implement the SHA-256 hash  
algorithm, which is part of the latest set of recommended algorithms  
by the US Government. The 256 bit key space renders any  
exhaustive attacks impossible.  
The CryptoAuthentication family uses  
response protocol to simplify programming. The system generates  
random number challenge and sends it to the  
a standard challenge  
a
CryptoAuthentication chip. The chip hashes that with a 256 bit key  
using the SHA-256 algorithm to generate a keyed 256 bit response  
which is sent back to the system.  
8584B–SMEM–09/09  

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