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DS1992L-E00 Datasheet

  • DS1992L-E00

  • (135.97 k)

  • 20頁

  • ETC

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DS1992/DS1993/DS1994
DS1992/DS1993
1Kbit/4Kbit Memory iButton
TM
DS1994
4Kbit Plus Time Memory iButton
鈥?/div>
Standard
鈥?/div>
Button
probes
SPECIAL FEATURES
鈥?/div>
4096 bits of read/write nonvolatile memory (DS1993
and DS1994)
16 mm diameter and 1鈥揥ire protocol
ensure compatibility with iButton family
shape is self鈥揳ligning with cup鈥搒haped
鈥?/div>
1024 bits of read/write nonvolatile memory (DS1992)
鈥?/div>
256鈥揵it scratchpad ensures integrity of data transfer
鈥?/div>
Memory partitioned into 256鈥揵it pages for packetizing
data
鈥?/div>
Durable stainless steel case engraved with registra-
tion number withstands harsh environments
鈥?/div>
Easily
鈥?/div>
Data integrity assured with strict read/write protocols
鈥?/div>
Contains real time clock/calendar in binary format
(DS1994)
affixed with self鈥搒tick adhesive backing,
latched by its flange, or locked with a ring pressed
onto its rim
acknowledges when reader first
applies voltage
鈥?/div>
Presence detector
鈥?/div>
Interval
timer can automatically accumulate time
when power is applied (DS1994)
cycle counter can accumulate the
number of system power鈥搊n/off cycles (DS1994)
rupts for interval timer, real time clock, and/or cycle
counter (DS1994)
鈥?/div>
Meets UL#913 (4th Edit.); Intrinsically Safe Appara-
tus, Approved under Entity Concept for use in Class
I, Division 1, Group A, B, C and D Locations
鈥?/div>
Programmable
鈥?/div>
Programmable alarms can be set to generate inter-
鈥?/div>
Write protect feature provides tamper鈥損roof time data
(DS1994)
F5 MICROCAN
TM
5.89
0.36
0.51
16.25
YYWW
REGISTERED
RR
鈥?/div>
Programmable expiration date that will limit access to
SRAM and timekeeping (DS1994)
AF
04
17.35
鈥?/div>
Clock
accuracy is better than
鹵2
minute/month at
25擄C (DS1994)
DATA
GROUND
000000FBC52B
鈥?/div>
Operating temperature range from 鈥?0擄C to +70擄C
鈥?/div>
Over 10 years of data retention
COMMON iBUTTON FEATURES
All dimensions shown in millimeters.
鈥?/div>
Unique, factory鈥搇asered
and tested 64鈥揵it registra-
tion number (8鈥揵it family code + 48鈥揵it serial number
+ 8鈥揵it CRC tester) assures absolute traceability
because no two parts are alike
ORDERING INFORMATION
DS1992L鈥揊5
DS1993L鈥揊5
DS1994L鈥揊5
F5 MicroCan
F5 MicroCan
F5 MicroCan
鈥?/div>
Multidrop controller for MicroLAN
TM
鈥?/div>
Digital identification and information
contact
by momentary
EXAMPLES OF ACCESSORIES
DS9096P
DS9101
DS9093RA
DS9093F
DS9092
Self鈥揝tick Adhesive Pad
Multi鈥揚urpose Clip
Mounting Lock Ring
Snap鈥揑n Fob
iButton Probe
鈥?/div>
Chip鈥揵ased data carrier compactly stores information
鈥?/div>
Data can be accessed while affixed to object
鈥?/div>
Economically communicates to bus master with a
single digital signal at 16.3k bits per second
ECopyright
1995 by Dallas Semiconductor Corporation.
All Rights Reserved. For important information regarding
patents and other intellectual property rights, please refer to
Dallas Semiconductor data books.
032697 1/20

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