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DS2705U+/T&R PDF预览

DS2705U+/T&R

更新时间: 2024-11-05 21:19:11
品牌 Logo 应用领域
美信 - MAXIM 光电二极管商用集成电路
页数 文件大小 规格书
18页 339K
描述
Consumer Circuit, PDSO8, LEAD FREE, MICRO MAX PACKAGE-8

DS2705U+/T&R 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:TSSOP,针数:8
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.84商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:S-PDSO-G8JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.1 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.5 V表面贴装:YES
温度等级:COMMERCIAL EXTENDED端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

DS2705U+/T&R 数据手册

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DS2705  
SHA-1 Authentication Master  
www.maxim-ic.com  
GENERAL DESCRIPTION  
PIN CONFIGURATION  
The DS2705 provides the master side of a Secure  
Hash Algorithm (SHA) based token authentication  
scheme. Hardware-based SHA authentication allows  
for security without the added cost and complexity of  
a microprocessor-based system. Batteries and other  
accessories are authenticated using a single contact  
through the Dallas 1-Wire® interface. Authentication  
is performed on demand or automatically, with the  
pass/fail status reported on open-drain output pins to  
signal the charge system and/or drive LEDs. The  
DS2705 stores a predetermined challenge-and-  
response pair in nonvolatile (NV) EEPROM. The  
DS2705 works in conjunction with Dallas Battery  
Management SHA-1 token products, including the  
DS2703 and DS2704.  
8
7
6
5
VDD  
MDQ  
SDQ  
VPP  
1
CHAL  
2
PASS  
FAIL  
3
4
VSS  
μMAX  
FEATURES  
ƒ
ƒ
ƒ
Initiates Challenge-and-Response  
Authentication based on the SHA-1 Algorithm  
Dallas 1-Wire Master/Slave Interface Operates  
at Standard and Overdrive Speeds  
APPLICATIONS  
Input and Output pins for Initiating Challenge  
and Reporting Authentication Pass/Fail  
Digital Cameras  
Portable DVD and Media Players  
Cradle and Accessory Chargers  
Cell Phones/Smartphones  
ƒ
ƒ
ƒ
Programmable Configuration  
Operates from 2.5V to 5.5V Supply  
Tiny μMAX Package (Pb-Free)  
APPLICATION EXAMPLE  
ORDERING INFORMATION  
PART  
TEMP RANGE  
-20°C to +85°C  
-20°C to +85°C  
MARKING  
D2705  
PIN-PACKAGE  
μMAX  
DS2705U+  
DS2705U+/T&R  
D2705  
DS2705U+ in Tape-and-Reel  
+ Denotes lead-free package.  
1-Wire is a registered trademark of Dallas Semiconductor.  
1 of 18  
080207  

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