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DS1904L-F5 9.90 €
RTC iButton
The DS1904L RTC iButton is a rugged real-time clock module that can be accessed with minimal hardware. Data is transferred serially via the 1-Wire protocol, which requires only a single data lead and a ground return. The DS1904L contains a unique 64-bit factory-lasered ROM and a real-time clock/calendar implemented as a binary counter. The durable MicroCan package is highly resistant to environmental hazards such as dirt, moisture, and shock.
Accessories permit the DS1904L to be mounted on almost any surface including printed circuit boards and plastic key fobs. The DS1904L adds functions such as calendar, time and date stamp, stopwatch, hour meter, interval timer, and logbook to any type of electronic device or embedded application that uses a microcontroller.

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 +70°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 16.3k bits per second
  • 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 withstands harsh environments
  • Easily affixed with self-stick adhesive backing, latched by its flange, or locked with a ring pressed onto its rim
  • Presence detector acknowledges when reader first applies voltage
  • Meets UL#913 (4th Edit.). Intrinsically Safe Apparatus: approved under Entity Concept for use in Class I, Division 1, Group A, B, C and D Locations

F5 MicroCAN


DS1904L-F5
Product No.: 72118
EUR 9.90
incl. 19% VAT
plus Shipping costs

 
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