DS1995
16-kbit Memory iButton
TM
www.dalsemi.com
SPECIAL FEATURES
§
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° to
C
+70°
C
§
Over 10 years of data retention
§
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
TM
5.89
0.36
0.51
c
1993
16.25
YYWW REGISTERED RR
0A
D0
7
000000FBC52B
17.35
COMMON iButton FEATURES
§
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
TM
§
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
§
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
1 of 1
DATA
GROUND
All dimensions are shown in millimeters.
ORDERING INFORMATION
DS1995L–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
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 please refer to the DS1996
data sheet.
071999
嵌入式系统
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