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Numéro de référence | DS1921G | ||
Description | Thermochron iButton | ||
Fabricant | Dallas Semiconductor | ||
Logo | |||
1 Page
www.maxim-ic.com
DS1921G
Thermochron iButton
SPECIAL FEATURES
Digital thermometer measures temperature in
0.5°C increments
Accuracy ±1°C from -30°C to +70°C. See EC
table for accuracy specification
www.DataSheet4BU.uciolmt-in real-time clock (RTC) and timer has
accuracy of ±2 minutes per month from 0°C
to 45°C
Water resistant or waterproof if placed inside
DS9107 iButton® capsule (Exceeds Water
Resistant 3 ATM requirements)
Automatically wakes up and measures tem-
perature at user-programmable intervals from
1 to 255 minutes
Logs up to 2048 consecutive temperature
measurements in protected nonvolatile (NV)
random access memory
Records a long-term temperature histogram
with 2.0°C resolution
Programmable temperature-high and
temperature-low alarm trip points
Records up to 24 time stamps and durations
when temperature leaves the range specified
by the trip points
512 bytes of general-purpose read/write NV
random access memory
Communicates to host with a single digital
signal at 15.4kbits or 125kbits per second
using 1-Wire® protocol
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
5.89
0.51
®
16.25
08900000FBC®522B1
1-Wire®
Thermochron®
17.35
IO GND
All dimensions are shown in millimeters.
COMMON iButton FEATURES
Digital identification and information by
momentary contact
Unique, factory-lasered and tested 64-bit reg-
istration number (8-bit family code + 48-bit
serial number + 8-bit CRC tester) assures ab-
solute traceability because no two parts are
alike
Multidrop controller for 1-Wire net
Chip-based data carrier compactly stores
information
Data can be accessed while affixed to object
ORDERING INFORMATION
DS1921G-F5 -40°C to +85°C F5 iButton
EXAMPLES OF ACCESSORIES
DS9096P
Self-Stick Adhesive Pad
DS9101
Multi-Purpose Clip
DS9093RA Mounting Lock Ring
DS9093A
Snap-In Fob
DS9092
iButton Probe
1-Wire, Microcan, and iButton are registered trademarks of
Dallas Semiconductor, Corp., a wholly owned subsidiary of
Maxim Integrated Products, Inc.
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Pages | Pages 30 | ||
Télécharger | [ DS1921G ] |
No | Description détaillée | Fabricant |
DS1921G | Thermochron iButton | Dallas Semiconductor |
DS1921H | High-Resolution Thermochron iButton | Dallas Semiconducotr |
DS1921L-F5X | Thermochron iButton | Dallas Semiconducotr |
DS1921Z | High-Resolution Thermochron iButton | Dallas Semiconducotr |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
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