Maxim DS1995 16kb memory ibutton Datasheet

19-4895; Rev 8/09
DS1995
16Kb Memory iButton
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SPECIAL FEATURES
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16384 bits of read/write nonvolatile memory
256-bit scratchpad ensures integrity of data
transfer
Overdrive mode boosts communication to 142
kbits per second
Memory partitioned into 256-bit pages for
packetizing data
Data integrity assured with strict read/write
protocols
Operating temperature range from -40C to
+70C
Over 10 years of data retention
Presence detector acknowledges when reader
first applies voltage
F5 MICROCAN
5.89
0.51
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16.25
D0
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0A
000000FBC52B
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17.35
1-Wire
COMMON iButton FEATURES
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Unique, factory-lasered and tested 64-bit
registration number (8-bit family code + 48-bit
serial number + 8-bit CRC tester) assures
absolute traceability because no two parts are
alike
Multidrop controller for MicroLAN
Digital identification and information by
momentary contact
Chip-based data carrier compactly stores
information
Data can be accessed while affixed to object
Economically communicates to bus master
with a single digital signal at 16.3 kbits per
second
Standard 16 mm diameter and 1-Wire®
protocol ensure compatibility with iButton
family
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
DATA
GROUND
All dimensions are shown in millimeters.
ORDERING INFORMATION
PINPACKAGE
DS1995L-F5+
F5 MicroCan
-40C to +70C
+Denotes a lead(Pb)-free/RoHS-compliant package.
PART
TEMP RANGE
EXAMPLES OF ACCESSORIES
DS9096P
DS9101
DS9093RA
DS9093F
DS9092
Self-Stick Adhesive Pad
Multi-Purpose Clip
Mounting Lock Ring
Snap-In Fob
iButton Probe
iButton DESCRIPTION
The DS1995 Memory iButton operates nearly
identically to the DS1996. The main differences
are: 16 Kbits of memory organized as 64 pages of
32 bytes and a family code of 0A hexadecimal. For
further details, refer to the DS1996 data sheet.
iButton and 1-Wire are registered trademarks of Maxim Integrated Products, Inc.
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DS1995
REVISION HISTORY
REVISION
DATE
070808
8/09
DESCRIPTION
Updated the Ordering Information table to only show the lead-free version
(DS1995-F5+).
Updated the F5 MicroCan marking to match PCN H020201.
Removed the UL#913 bullet from the Common iButton Features section.
PAGES
CHANGED
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