Serial Number iButton

iButton DESCRIPTION The DS1990A Serial Number iButton is a rugged data carrier that acts as an electronic registration number for automatic identification. The DS1990A consists of a factory-lasered, 64-bit ROM that includes an unique 48-bit serial number, an 8-bit CRC and an 8-bit Family Code (01

文件：151.36 Kbytes 页数：10 Pages

Dallas

Serial Number iButton

General Description The DS1990A serial number iButton® is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire® protocol, which requires only a single data lead and a ground return. Every DS1990A is fa

文件：149 Kbytes 页数：10 Pages

Maxim

美信

Serial Number iButton

General Description The DS1990A serial number iButton® is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire® protocol, which requires only a single data lead and a ground return. Every DS1990A h

文件：702.16 Kbytes 页数：10 Pages

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亚德诺

包装：管件 类别：存储卡，模块 专用 描述：IC IBUTTON SERIAL NUMBER F3

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亚德诺