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DS1991

MultiKey iButton

TM

www.dalsemi.com

SPECIAL FEATURES

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1,152-bit secure read/write, nonvolatile

memory

Secure memory cannot be deciphered

without matching 64-bit password

Memory is partitioned into 3 blocks of 384

bits each

64-bit password and ID fields for each

memory block

512-bit scratchpad ensures data transfer

integrity

Operating temperature range: -40擄C to

+70擄C

Over 10 years of data retention

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 16.3k bits 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

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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

TM

5.89

0.36

0.51

c

1993

COMMON iButton FEATURES

16.25

YYWW REGISTERED RR

21

02

17.35

000000FBC52B

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DATA

GROUND

All dimensions shown in millimeters

ORDERING INFORMATION

DS1991L-F5

DS9096P

DS9101

DS9093RA

DS9093F

DS9092

F5 MicroCan

Self-Stick Adhesive Pad

Multi-Purpose Clip

Mounting Lock Ring

Snap-In Fob

iButton Probe

EXAMPLES OF ACCESSORIES

1 of 14

082099

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