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DS28E15G+ PDF预览

DS28E15G+

更新时间： 2024-11-19 12:44:55
品牌 Logo 应用领域
美信 - MAXIM 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
6页 780K
描述
1-Wire SHA-256 Secure Authenticator with 512-Bit User EEPROM

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中文翻译

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DS28E15G+ 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：BCC,Reach Compliance Code：compliant
风险等级：5.78JESD-30 代码：S-XBCC-B2
长度：6.5 mm内存密度：512 bit
内存集成电路类型：EEPROM内存宽度：1
功能数量：1端子数量：2
字数：512 words字数代码：512
工作模式：ASYNCHRONOUS最高工作温度：85 °C
最低工作温度：-40 °C组织：512X1
封装主体材料：UNSPECIFIED封装代码：BCC
封装形状：SQUARE封装形式：CHIP CARRIER
并行/串行：SERIAL座面最大高度：0.8 mm
串行总线类型：1-WIRE最大供电电压 (Vsup)：3.63 V
最小供电电压 (Vsup)：2.97 V标称供电电压 (Vsup)：3.3 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子形式：BUTT
端子节距：3 mm端子位置：BOTTOM
宽度：3.5 mmBase Number Matches：1

DS28E15G+ 数据手册

 浏览型号DS28E15G+的Datasheet PDF文件第2页浏览型号DS28E15G+的Datasheet PDF文件第3页浏览型号DS28E15G+的Datasheet PDF文件第4页浏览型号DS28E15G+的Datasheet PDF文件第5页浏览型号DS28E15G+的Datasheet PDF文件第6页 
ABRIDGED DATA SHEET  
219-0018; Rev 0; 6/12  
General Description  
Features  
The DS28E15 combines crypto-strong bidirectional  
secure challenge-and-response authentication func-  
tionality with an implementation based on the FIPS  
180-3-specified Secure Hash Algorithm (SHA-256). A  
512-bit user-programmable EEPROM array provides  
nonvolatile storage of application data. Additional pro-  
tected memory holds a read-protected secret for SHA-  
256 operations and settings for memory protection  
control. Each device has its own guaranteed unique  
64-bit ROM identification number (ROM ID) that is fac-  
tory programmed into the chip. This unique ROM ID is  
used as a fundamental input parameter for cryptographic  
operations and also serves as an electronic serial num-  
ber within the application. A bidirectional security model  
enables two-way authentication between a host system  
and slave-embedded DS28E15. Slave-to-host authenti-  
cation is used by a host system to securely validate that  
an attached or embedded DS28E15 is authentic. Host-  
to-slave authentication is used to protect DS28E15 user  
memory from being modified by a nonauthentic host. The  
S Symmetric-Key-Based Bidirectional Secure  
Authentication Model Based on SHA-256  
S Strong Authentication with a High-Bit-Count User-  
Programmable Secret and Input Challenge  
S 512 Bits of User EEPROM Partitioned Into Two  
Pages of 256 Bits  
S User-Programmable and Irreversible EEPROM  
Protection Modes Including Authentication, Write  
and Read Protect, and OTP/EPROM Emulation  
S Unique Factory-Programmed, 64-Bit Identification  
Number  
S Single-Contact 1-Wire Interface  
S Operating Range: 3.3V 1ꢀ0, -4ꢀꢁC to ꢂ+5ꢁC  
S
+8V HBM ESꢃ Protection ꢄtypꢅ  
S 2-Pin SFN, 6-Pin TꢃFN-EP, and 6-Pin TSOC  
Pac8ages  
Applications  
M
DS28E15 communicates over the single-contact 1-Wire  
Authentication of Consumables  
Secure Feature Control  
bus at overdrive speed. The communication follows the  
1-Wire protocol with the ROM ID acting as node address  
in the case of a multidevice 1-Wire network.  
Ordering Information appears at end of data sheet.  
Typical Application Circuit  
R = 1.1kΩ  
MAXIMUM I C BUS CAPACITANCE 320pF  
P
2
3.3V  
R
P
V
CC  
SDA  
SCL  
2
(I C PORT)  
DS2465  
µC  
1-Wire LINE  
SLPZ  
IO  
DS28E15  
#1  
DS28E15  
#2  
DS28E15  
#n  
1-Wire is a registered trademark of Maxim Integrated Products, Inc.  
For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/DS28E15.related  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1
123456

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