DS1990A-F3+【PDF 1/10 页】IC IBUTTON SERIAL NUMBER F3

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AVAILAB

DS1990A

Serial Number iButton

General Description

The DS1990A 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 DS1990A 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 DS1990A

to be used easily by human operators. Accessories

enable the DS1990A iButton to be mounted on almost

any object, including containers, pallets, and bags.

Features

? 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

Access Control

Work-In-Progress Tracking

Tool Management

Inventory Control

Applications

? Economically Communicates to Bus Master with

a Single Digital Signal at 16.3kbps

? Button Shape is Self-Aligning with Cup-Shaped

Probes

? Durable Stainless-Steel Case Engraved with

Registration Number Withstands Harsh

Ordering Information

Environments

? Easily Affixed with Self-Stick Adhesive Backing,

PART

DS1990A-F5+

TEMP RANGE

-40 ° C to +85 ° C

PIN-PACKAGE

F5 iButton

Latched by its Flange, or Locked with a Ring

Pressed Onto its Rim

Functional Diagrams

DS1990A-F3+ -40 ° C to +85 ° C F3 iButton

+Denotes a lead(Pb)-free/RoHS-compliant package.

Pin Configurations

Examples of Accessories

F3 SIZE

3.10mm

F5 SIZE

5.89mm

PART

ACCESSORY

0.51mm

BRANDING

DS9096P

DS9101

DS9093RA

Self-Stick Adhesive Pad

Multipurpose Clip

Mounting Lock Ring

t o n ? . c

? 01

16.25mm

1-Wire ?

ZZZ D S1990

DS9093A

DS9092

Snap-In Fob

iButton Probe

GND

000000FBC52B

W A

17.35mm

iButton and 1-Wire are registered trademarks of Maxim

Pin Integrated Products, Inc.

Configurations appear at end of data sheet.

Functional Diagrams continued at end of data sheet.

UCSP is a trademark of Maxim Integrated Products, Inc.

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maxim integrated .com.

Rev: 10/08

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