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DS1994L-F5

Description
iButtons
Categorystorage    storage   
File Size556KB,23 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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DS1994L-F5 Overview

iButtons

DS1994L-F5 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerMaxim
package instructionMICROCAN-2
Contacts2
Reach Compliance Codenot_compliant
ECCN codeEAR99
Maximum access time15000 ns
JESD-30 codeO-MEDB-N2
JESD-609 codee0
memory density4096 bit
Memory IC TypeMEMORY CIRCUIT
memory width1
Humidity sensitivity level1
Number of functions1
Number of terminals2
word count4096 words
character code4000
Operating modeASYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature-40 °C
organize4KX1
Package body materialMETAL
Encapsulate equivalent codeBUTTON,.68IN
Package shapeROUND
Package formDISK BUTTON
Peak Reflow Temperature (Celsius)240
power supply3/5 V
Certification statusNot Qualified
Maximum supply voltage (Vsup)6 V
Minimum supply voltage (Vsup)2.8 V
Nominal supply voltage (Vsup)3 V
surface mountYES
technologyCMOS
Temperature levelOTHER
Terminal surfaceTIN LEAD
Terminal formNO LEAD
Terminal locationEND
Maximum time at peak reflow temperatureNOT SPECIFIED
19-5049; 11/09
DS1994
DS1994
4Kb Plus Time Memory iButton®
www.maxim-ic.com
SPECIAL FEATURES
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 ±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-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 1-Wire Network
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 (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
F5 MicroCan
ORDERING INFORMATION
DS1994L-F5+
+Denotes a lead(Pb)-free/RoHS-compliant package.
EXAMPLES OF ACCESSORIES
DS9096P Self-Stick Adhesive Pad
DS9101 Multi-Purpose Clip
DS9093RA Mounting Lock Ring
DS9093F Snap-In Fob
DS9092 iButton Probe
1 of 23
iButton and 1-Wire are registered trademarks of Maxim Integrated
Products, Inc.
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