SERIAL I/O CALENDAR & CLOCK CMOS LSI

SERIAL I/O CALENDAR & CLOCK CMOS LSI The μPD1990AC is a CMOS integrated circuit having a clock function, which has been designed with the intent of connecting to microcomputer.

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NEC

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SERIAL I/O CALENDAR & CLOCK CMOS LSI

Renesas

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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

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

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