DS1992_11 Datasheet, PDF (1/17 Pages) Maxim Integrated Products – 1Kb/4Kb Memory iButton 1024 bits of Read/Write Nonvolatile

19-4865; Rev 4/11
SPECIAL FEATURES
 4096 bits of Read/Write Nonvolatile
Memory (DS1993)
 1024 bits of Read/Write Nonvolatile
Memory (DS1992)
 256-bit Scratchpad Ensures Integrity of Data
Transfer
 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
ORDERING INFORMATION
DS1992L-F5+
F5 MicroCan
DS1993L-F5+
F5 MicroCan
+Denotes a lead(Pb)-free/RoHS-compliant product.
EXAMPLES OF ACCESSORIES
DS9096P Self-Stick Adhesive Pad
DS9101 Multipurpose Clip
DS9093RA Mounting Lock Ring
DS9093F Snap-In Fob
DS9092 iButton Probe
F5 MicroCan
DS1992/DS1993
1Kb/4Kb Memory iButton
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
 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 16.3kbps
 Standard 16mm 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, 5th Ed., Rev. 1997-02-24;
Intrinsically Safe Apparatus, Approved under
Entity Concept for use in Class I, Division 1,
Group A, B, C, and D Locations
1-Wire and iButton are registered trademarks of Maxim Integrated Products, Inc.
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