Thermochron iButton

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. The parametric values (min and max limits) shown in

the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.

42 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

© 2012 Maxim Integrated Products

Maxim is a registered trademark of Maxim Integrated Products, Inc.

Revision History

REVISION

DATE

DESCRIPTION

PAGES

CHANGED

Added bullet “Water resistant or waterproof if placed inside DS9107 iButton capsule (Exceeds Water

Resistant 3 ATM requirements)”

Deleted “application pending” from UL bullet and safety statement

120407

Added text to Detailed Description section: Note that the initial sealing level of DS1921G achieves

IP56. Aging and use conditions can degrade the integrity of the seal over time, so for applications

with significant exposure to liquids, sprays, or other similar environments, it is recommended to

place the Thermochron in the DS9107 iButton capsule. The DS9107 provides a watertight enclosure

1, 2

4/09

Created newer template-style data sheet

All

4/10

values for the full range

2–4

4/11

Updated UL certificate reference; deleted

details to Electrical Characteristics table notes 7, 13, and 14

1, 3, 4

9/11

DS1921G-F5N# part number added to the Ordering Information; branding information updated in the

Pin Configuration

1, 41

3/12

Added terminology updates for consistency with similar products; added more details to the Parasite

Power section

1, 7, 8,

9, 14