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DS1963S Datasheet

  • DS1963S

  • SHA iButtonTM

  • Dallas   Dallas

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DS1963S
SHA iButton
www.iButton.com
SPECIAL FEATURES
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4096 bits of read/write nonvolatile (NV)
memory organized as 16 pages of 256 bits
each
Eight memory pages with individual 64-bit
secrets and 32-bit read-only non rolling-over
page write cycle counters
Secrets are write-only and have their own
individual write cycle counters
On-chip 512-bit SHA-1 (FIPS 180-1,
ISO/IEC 10118-3) engine to compute a 160-
bit Message Authentication Codes (MAC)
and generate page secrets
Device can operate as roaming iButton
廬
or
as coprocessor for a host computer
256鈥揵it scratchpad ensures integrity of data
transfer
On-chip 16-bit CRC generator for
safeguarding data transfers
Overdrive mode boosts communication
speed to 125 kbits per second
Operating temperature range from -20擄C to
+85擄C
Over 10 years of data retention
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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 (application pending)
F5 MicroCan
5.89
0.51
芒
16.25
000000FBC52B
1-Wire
芒
51
芒
18
17.35
COMMON iButton FEATURES
Unique, factory鈥搇asered 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 host with a
single digital signal at 15.4 kbits per second
Standard 16 mm diameter and 1-Wire
廬
protocol ensure compatibility with iButton
Device family
IO
GND
All dimensions are shown in millimeters
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ORDERING INFORMATION
DS1963S
F5 MicroCan
EXAMPLES OF ACCESSORIES
DS9096P
DS9101
DS9093RA
DS9093A
DS9092
Self-Stick Adhesive Pad
Multipurpose Clip
Mounting Lock Ring
Snap-In Fob
iButton Probe
iButton and 1-Wire are registered trademarks of Dallas Semiconductor.
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021704

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