Datasheet
DS1920 
  22 of 22 
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim 
reserves the right to change the circuitry and specifications without notice at any time. 
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408- 737- 7600 
© 2009 Maxim Integrated Products     Maxim is a registered trademark of Maxim Integrated Products, Inc. 
REVISION HISTORY 
REVISION 
DATE 
DESCRIPTION 
PAGES 
CHANGED 
082906  In the Common iButton Features, reworded the UL statement.  1 
110806 
Extended the temperature conversion time from 0.5s to 0.75s 
maximum. 
11, 15, 16, 18, 
19 
040108 
Removed F3 MicroCAN drawing and ordering information; added 
lead-free DS1920-F5+ and removed leaded package from the 
Ordering Information table. 
1 
8/09 
Corrected the Ordering Information PART information (added 
hyphen to the part number). 
1 
Removed the UL#913 bullet from the Common iButton Features 
section. 
1 










