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DS1921H-F5 Datasheet

  • DS1921H-F5

  • High-Resolution Thermochron iButton

  • 271.46KB

  • 44頁

  • DALLAS   DALLAS

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DS1921H/Z
High-Resolution Thermochron iButton
Range H: +15擄C to +46擄C; Z: -5擄C to +26擄C
www.maxim-ic.com
SPECIAL FEATURES
Digital thermometer measures temperature in
1/8擄C increments with 鹵1擄C accuracy
Built-in real-time clock (RTC) and timer has
accuracy of
鹵2
minutes per month from 0擄C
to 45擄C
Automatically wakes up and measures
temperature 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 1/2擄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
廬
protocol
Fixed range: H: +15擄C to +46擄C;
Z: -5擄C to +26擄C
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 (application pending)
F5 MICROCAN
5.89
0.51
16.25
3B2000FBC52B
Thermochron
廬
D6
21
17.35
1-Wire
IO
GND
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
Button shape is self-aligning with cup-shaped
probes
All dimensions are shown in millimeters.
ORDERING INFORMATION
DS1921H-F5
DS1921Z-F5
+15擄C to +46擄C
-5擄C to +26擄C
F5 iButton
廬
F5 iButton
EXAMPLES OF ACCESSORIES
DS9096P
DS9101
DS9093RA
DS9093A
DS9092
Self-Stick Adhesive Pad
Multi-Purpose Clip
Mounting Lock Ring
Snap-In Fob
iButton Probe
1-Wire, Microcan, and iButton are registered trademarks of Dallas Semiconductor.
1 of 44
051104

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