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DS2703U

更新时间： 2024-09-13 20:31:47
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
20页 233K
描述
Power Supply Support Circuit, Fixed, 1 Channel, PDSO8, MICRO, SOP-8

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中文翻译

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DS2703U 技术参数

是否无铅：含铅是否Rohs认证：不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, TSSOP8,.19针数：8
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.31
Is Samacsys：N可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PDSO-G8
JESD-609代码：e0湿度敏感等级：1
信道数量：1功能数量：1
端子数量：8最高工作温度：70 °C
最低工作温度：-20 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：TSSOP8,.19
封装形状：SQUARE封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：240电源：3/5 V
认证状态：Not Qualified子类别：Power Management Circuits
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.7 V
表面贴装：YES温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20Base Number Matches：1

DS2703U 数据手册

 浏览型号DS2703U的Datasheet PDF文件第2页浏览型号DS2703U的Datasheet PDF文件第3页浏览型号DS2703U的Datasheet PDF文件第4页浏览型号DS2703U的Datasheet PDF文件第5页浏览型号DS2703U的Datasheet PDF文件第6页浏览型号DS2703U的Datasheet PDF文件第7页 
DS2703  
SHA-1 Battery Pack  
Authentication IC  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
The DS2703 provides a robust cryptographic solution  
to ensure the authenticity of Li-Ion battery packs for  
cell phone, PDA, and portable computing devices.  
The DS2703 employs the Secure Hash Algorithm  
(SHA-1) specified in the Federal Information  
publication 180-1 and 180-2, and ISO/IEC 10118-3.  
SHA-1 is designed for authenticationZjust what is  
required for identifying battery packs manufactured  
by authorized sources.  
Cꢀ Secure Challenge and Response Authentication  
Using the SHA-1 Algorithm  
Cꢀ Directly Powered by the Dallas 1-Wire® Interface  
with 16kpbs Standard and 143kpbs Overdrive  
Communication Modes  
Cꢀ Unique 64-Bit Serial Number  
Cꢀ Thermistor Multiplexer  
Cꢀ Operates with VPULLUP as Low as 2.7V  
Cꢀ ꢀMax-8 Package (Lead-Free)  
The device’s SHA-1 engine processes a host  
transmitted challenge using its stored 64-bit secret  
key and unique 64-bit ROM ID to produce a 160-bit  
response word for transmission back to the host. The  
secret key is securely stored on-chip and never  
transmitted between the battery and the host. A  
DS2703-based system produces a high degree of  
authentication security between a host system and its  
removable battery or other peripheral devices.  
ORDERING INFORMATION  
PART  
TEMP RANGE  
PIN-PACKAGE  
DS2703U  
-20LC to +70LC  
ꢀMax-8  
DS2703U on  
Tape-and-Reel  
Pb-free ꢀMax-8  
DS2703U+ on  
Tape-and-Reel  
DS2703U/T&R  
DS2703U+  
-20LC to +70LC  
-20LC to +70LC  
-20LC to +70LC  
DS2703U+/T&R  
APPLICATIONS  
2.5G/3G Wireless Handsets  
PDAs  
The Thermistor Multiplexer feature allows a three  
contact battery pack configuration to support data  
and thermistor functions. When activated through  
1-Wire command, the THM pin presents the  
thermistor impedance on the data contact and  
disconnects internal loading from the node.  
Handheld or Notebook Computers and Terminals  
Digital Still and Video Cameras  
PIN CONFIGURATION  
TYPICAL OPERATING CIRCUIT  
TOP VIEW  
BATTERY PACK  
PACK +  
8
7
6
5
NC  
NC  
NC  
NC  
1
2
3
THM  
VSS  
DQ  
4
VB  
DS2703  
150ꢀ  
ꢀMAX  
(DS2703U)  
DATA  
DQ  
VB  
0.22ꢁF  
THM  
VSS  
Li-Ion  
Protection  
PACK -  
1-Wire is a registered trademark of Dallas Semiconductor.  
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device  
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.  
1 of 20  
REV: 011805  
1234567...20

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 		SHA-1 Battery Pack Authentication IC
DS2703UT DALLAS

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 		SHA-1 Battery Pack SHA-1 Battery Pack
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 		1280-Bit EEPROM with SHA-1 Authentication
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 		1280位EEPROM，带有SHA-1认证

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