DS1995 DALLAS | Alldatasheet
Document overview
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Technical content
§ 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 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 MicroLANTM § 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 § 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 MICROCANTM All dimensions are shown in millimeters.
ORDERING INFORMATION
DS1995L–F5 F5 MicroCan EXAMPLES OF ACCESSORIES DS9096P Self-Stick Adhesive Pad DS9101 Multi-Purpose Clip DS9093RA Mounting Lock Ring DS9093F Snap-In Fob DS9092 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 please refer to the DS1996 data sheet. DS1995 16-kbit Memory iButtonTM www.dalsemi.com DATA GROUND 0.36 0.51 5.89 c 1993 YYWW REGISTERED RR 000000FBC52B 16.25 17.35