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DS1985-F5+

iButton存储器, 附加产品, 16Kbit, EPROM

MAXIM INTEGRATED PRODUCTS DS1985-F5+
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制造商产品编号:
DS1985-F5+
库存编号
2515811
技术数据表:
DS1985-F5+   Datasheet
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产品概述

The DS1985-F5+ is an iButton 16Kb add-only in F5 MicroCan package. It is a rugged read/write data carrier that identifies and stores relevant information about the product or person to which it is attached. This information can be accessed with minimal hardware. The DS1985 consists of a factory lasered registration number that includes a unique 48bit serial number, an 8bit CRC and an 8bit family code (0BH) plus 16Kb of EPROM that is user-programmable. The power to program and read the DS1985 is derived entirely from the 1-wire communication line. Data is transferred serially via the 1 wire protocol that requires only a single data lead and a ground return. The entire device can be programmed and then write-protected if desired. Alternatively, the part may be programmed multiple times with new data being appended to, but not overwriting existing data with each subsequent programming of the device. Its compact button-shaped profile is self aligning with cup shaped receptacles.
  • 16384bits EPROM communicates with economy of one signal plus ground
  • Architecture allows software to patch data by superseding old page in favour of new programmed page
  • Add only memory where additional data can be programmed into EPROM without disturbing existing data
  • Reduces control, address, data, power and programming signals to a single data pin
  • Multidrop controller for MicroLAN
  • Digital identification and information by momentary contact
  • Chip based data carrier compactly stores information
  • Data can be accessed while affixed to object
  • Economically communicates to bus master with a single digital signal at 16.3Kbps
  • Standard 16mm diameter and 1 wire protocol ensure compatibility with iButton family

应用

嵌入式设计与开发

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16Kbit

:
EPROM

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-

:
MSL 1 -无限制
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技术文档 (1)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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