Datasheet

DS1922L/DS1922T

Temperature Logger iButton with 8KB

Data-Log Memory

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

Revision History

REVISION

NUMBER

REVISION

DATE

DESCRIPTION

PAGES

CHANGED

7 12/07

Added bullet “Water resistant or waterproof if placed inside DS9107 i

Button capsule

(Exceeds Water Resistant 3 ATM requirements)”; deleted “application pending” from

UL bullet and safety statement; added text to Application section: Note that the initial

sealing level of DS1922L/DS1922T 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 i

Button capsule. The DS9107 provides a watertight

enclosure that has been rated to IP68 (See www.maximic.com/AN4126

)

1, 4, 12

8 4/09 Created newer template-styled data sheet All

9 10/09 Deleted the standard part numbers from the Ordering Information table 1

10 4/11

Updated UL certificate reference; deleted  from the t

W1L

specification in the Electrical

Characteristics table; applied note 14 to the t

W0L

specification in the Electrical

Characteristics table; added more details to Electrical Characteristics table notes 5,

14, and 15; revised the last sentence of the Parasite Power section for more clarity;

added paragraph on validation certificates to Detailed Description section; added

more details on the Device Samples Counter in the Other Indicators section

1, 3, 4, 13, 25