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DS1994L-F5 Datasheet

  • DS1994L-F5

  • 4kb Plus Time Memory iButton

  • 22頁

  • DALLAS   DALLAS

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DS1994
4kb Plus Time Memory iButton
www.iButton.com
SPECIAL FEATURES
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4096 bits of Read/Write Nonvolatile
Memory
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
Contains Real-Time Clock/Calendar in
Binary Format
Interval Timer Can Automatically
Accumulate Time When Power is Applied
Programmable Cycle Counter can
Accumulate the Number of System Power-
On/Off Cycles
Programmable Alarms Can Be Set to
Generate Interrupts for Interval Timer, Real-
Time Clock, and/or Cycle Counter
Write-Protect Feature Provides Tamperproof
Time Data
Programmable Expiration Date That Limits
Access to SRAM and Timekeeping
Clock Accuracy is Better Than 鹵2 Minutes/
Month at 25擄C
Operating Temperature Range from -40擄C to
+70擄C
Over 10 Years of Data Retention
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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
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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
F5 MICROCAN
5.89
0.36
0.51
漏 1993
16.25
RR
YYWW REGISTERED
61
04
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
Digital Identification and Information by
Momentary Contact
Chip-Based Data Carrier Compactly Stores
Information
IO
GND
000000FBD804
All dimensions shown in millimeters.
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ORDERING INFORMATION
DS1994L-F5
F5 MicroCan
iButton and 1-Wire are registered trademarks of Dallas Semiconductor.
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031403

DS1994L-F5 產(chǎn)品屬性

  • Maxim Integrated Products

  • + 70 C

  • F5 MicroCan

  • - 40 C

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