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DS1990A
Serial Number iButton
Revision History
REVISION
DATE
033005
10/08
DESCRIPTION
Redid the formatting based on newer template style. Also deleted the 0F Read ROM
command and added a note about presence pulse criteria.
Created newer template-style data sheet.
Updated Ordering Information with lead-free part numbers.
Deleted Meets UL 913 (4th Edit); Intrinsically Safe Apparatus: Approved Under Entity
Concept for Use in Class I, Division I, Group A, B, C, and D from the Common iButton
Features and iButton Can Physical Specification sections.
Updated Electrical Characteristics table:
Deleted Output High Voltage parameter.
Moved 1-Wire Pullup voltage parameter from table header to table body.
Changed V ILMAX from 0.8V to 0.3V.
Added Note 14 to the t W0L specification.
Changed t W1LMAX from 15μs –
to 15 μs.
Added the epsilon timing to the Write-Zero Time Slot in Figure 7.
PAGES
CHANGED
1 –8
All
1
1, 3
2
8
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.
Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical
Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
10
? 2008 Maxim Integrated
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000
The Maxim logo and Maxim Integrated are trademarks of Maxim Integrated Products, Inc.
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功能描述:序列号注册
RoHS:否 制造商:Maxim Integrated 数据总线宽度: 电源电压-最大: 电源电压-最小: 最大工作温度: 最小工作温度: 安装风格: 封装 / 箱体:
DS1990A-F3+C80
功能描述:序列号注册
RoHS:否 制造商:Maxim Integrated 数据总线宽度: 电源电压-最大: 电源电压-最小: 最大工作温度: 最小工作温度: 安装风格: 封装 / 箱体:
DS1990A-F3+C8F
功能描述:序列号注册
RoHS:否 制造商:Maxim Integrated 数据总线宽度: 电源电压-最大: 电源电压-最小: 最大工作温度: 最小工作温度: 安装风格: 封装 / 箱体:
DS1990A-F3-W
功能描述:序列号注册
RoHS:否 制造商:Maxim Integrated 数据总线宽度: 电源电压-最大: 电源电压-最小: 最大工作温度: 最小工作温度: 安装风格: 封装 / 箱体:
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功能描述:序列号注册 RoHS:否 制造商:Maxim Integrated 数据总线宽度: 电源电压-最大: 电源电压-最小: 最大工作温度: 最小工作温度: 安装风格: 封装 / 箱体:
DS1990A-F5#
功能描述:序列号注册 RoHS:否 制造商:Maxim Integrated 数据总线宽度: 电源电压-最大: 电源电压-最小: 最大工作温度: 最小工作温度: 安装风格: 封装 / 箱体:
DS1990A-F5/E4F
功能描述:序列号注册 RoHS:否 制造商:Maxim Integrated 数据总线宽度: 电源电压-最大: 电源电压-最小: 最大工作温度: 最小工作温度: 安装风格: 封装 / 箱体:
DS1990A-F5+
功能描述:序列号注册 Serial Number iButton RoHS:否 制造商:Maxim Integrated 数据总线宽度: 电源电压-最大: 电源电压-最小: 最大工作温度: 最小工作温度: 安装风格: 封装 / 箱体: