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DS1904

Maxim Integrated
Part Number DS1904
Manufacturer Maxim Integrated
Description RTC iButton
Published Nov 6, 2017
Detailed Description DS1904 RTC iButton SPECIAL FEATURES Real-Time Clock/calendar in binary format Uses the same binary time/date representa...
Datasheet PDF File DS1904 PDF File

DS1904
DS1904

Overview
DS1904 RTC iButton SPECIAL FEATURES Real-Time Clock/calendar in binary format Uses the same binary time/date representation as the DS1994 but with 1 second resolution Clock accuracy is better than ± 2 minutes per month at 25°C Operating temperature range from -40°C to +85°C Over 10 years of operation COMMON iButton FEATURES Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48-bit serial number + 8-bit CRC tester) assures absolute traceability because no two parts are alike 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 host with a single digital signal at 16.
3 kbps Standard 16 mm diameter and 1-Wire® protocol ensure compatibility with iButton® Device family Button shape is self-aligning with cup-shaped probes Durable stainless steel case engraved with registration number with...


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