DS1990R-F5#【PDF 1/10 页】IBUTTON SERIAL NUMBER F5

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19-4894; Rev 4; 8/10

Serial Number iButton

General Description

The DS1990R serial number iButton ? is a rugged data

carrier that serves as an electronic registration number

for automatic identification. Data is transferred serially

through the 1-Wire ? protocol, which requires only a sin-

gle data lead and a ground return. Every DS1990R is

factory lasered with a guaranteed unique 64-bit regis-

tration number that allows for absolute traceability. The

durable stainless-steel iButton package is highly resis-

tant to environmental hazards such as dirt, moisture,

and shock. Its compact coin-shaped profile is self-

aligning with mating receptacles, allowing the DS1990R

to be used easily by human operators. Accessories

enable the DS1990R iButton to be mounted on almost

any object, including containers, pallets, and bags.

The DS1990R is a fully compatible variant of the

DS1990A. In applications where a presence pulse on

contact is critical, the DS1990R should be preferred

over the DS1990A.

Features

? Upgrade of DS1990A Guarantees Presence Pulse

on Contact

? Can Be Read in Less Than 5ms

? Operating Range: 2.8V to 6.0V, -40°C to +85°C

Common iButton Features

? Unique Factory-Lasered 64-Bit Registration

Number Ensures Error-Free Device Selection and

Absolute Traceability Because No Two Parts are

Alike

? Built-In Multidrop Controller for 1-Wire Net

? Digital Identification by Momentary Contact

? Data Can Be Accessed While Affixed to Object

? Economically Communicates to Bus Master with

a Single Digital Signal at 16.3kbps

Access Control

Applications

? Button Shape is Self-Aligning with Cup-Shaped

Probes

Work-In-Progress Tracking

Tool Management

Inventory Control

Ordering Information

? 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

PART

DS1990R-F5#

DS1990R-F3#

TEMP RANGE

-40 ° C to +85 ° C

PIN-PACKAGE

F5 iButton

F3 iButton

Pressed Onto its Rim

? Presence Detector Acknowledges When Reader

First Applies Voltage

#Denotes a RoHS-compliant device that may include lead(Pb)

that is exempt under the RoHS requirements.

Pin Configurations

Examples of Accessories

F3 SIZE

3.10mm

F5 SIZE

5.89mm

PART

ACCESSORY

0.51mm

BRANDING

DS9096P

DS9101

Self-Stick Adhesive Pad

Multipurpose Clip

t o n ? . c

16.25mm

DS9093RA

Mounting Lock Ring

1-Wire ?

ZZZ D S1990

DS9093A

DS9092

Snap-In Fob

iButton Probe

GND

89 ? 01

000000FBC52B

W R

17.35mm

iButton and 1-Wire are registered trademarks of Maxim

Integrated Products, Inc.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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