DALLAS Semiconductor DS1994L-F5 4kb plus time memory iButton For Sale
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DALLAS Semiconductor DS1994L-F5 4kb plus time memory iButton:
$11.00
date of manufacture 2006 year 07 work weekSPECIAL FEATURES 4096 bits of Read/Write NonvolatileMemory 256-bit Scratchpad Ensures Integrity of DataTransfer Memory Partitioned into 256-bit Pages forPacketizing Data Data Integrity Assured with StrictRead/Write Protocols Contains Real-Time Clock/Calendar inBinary Format Interval Timer Can AutomaticallyAccumulate Time When Power is Applied Programmable Cycle Counter canAccumulate the Number of System PowerOn/OffCycles Programmable Alarms Can Be Set toGenerate Interrupts for Interval Timer, RealTimeClock, and/or Cycle Counter Write-Protect Feature Provides TamperproofTime Data Programmable Expiration Date That LimitsAccess to SRAM and Timekeeping Clock Accuracy is Better Than ±2 Minutes/Month at 25°C Operating Temperature Range from -40°C to+70°C Over 10 Years of Data Retention
COMMON iButton® FEATURES
Unique, Factory-Lasered, and Tested 64-bitRegistration Number (8-bit Family Code +48-bit Serial Number + 8-bit CRC Tester)Assures Absolute Traceability Because NoTwo Parts Are Alike Multidrop Controller for MicroLAN Digital Identification and Information byMomentary Contact Chip-Based Data Carrier Compactly StoresInformation Data Can Be Accessed While Affixed toObject EconomicallyCommunicates to Bus Masterwith a Single Digital Signal at 16.3kbps Standard 16mm Diameter and 1-Wire®Protocol Ensure Compatibility with iButtonFamily Button Shape is Self-Aligning with CupShapedProbes Durable Stainless Steel Case Engraved withRegistration Number Withstands HarshEnvironments Easily Affixed with Self-Stick AdhesiveBacking, Latched by its Flange, or Lockedwith a Ring Pressed onto its Rim Presence Detector Acknowledges whenReader First Applies Voltage Meets UL#913 (4th Edit.); Intrinsically SafeApparatus, Approved under Entity Conceptfor Use in Class I, Division 1, Group A, B, Cand D Locations
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