Datasheet > DS1904

DS1904

更新时间： 2023-12-20 18:46:36

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
13页	151K
描述
iButton RTC

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数据手册

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DS1904 数据手册

DS1904

RTC iButton

SPECIAL FEATURES

ꢀ Easily affixed with self-stick adhesive back-

ing, latched by its flange, or locked with a

ring pressed onto its rim

ꢀ Presence detector acknowledges when reader

first applies voltage

ꢀ Real-Time Clock/calendar in binary format

ꢀ Uses the same binary time/date representation

as the DS1994 but with 1 second resolution

ꢀ Clock accuracy is better than 2 minutes per

month at 25°C

ꢀ Operating temperature range from -40°C to

+85°C

F5 MicroCan

ꢀ Over 10 years of operation

5.89

0.51

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



16.25



17.35

000000FBC52B

1-Wire^

ꢀ Multidrop controller for MicroLAN

ꢀ Digital identification and information by

momentary contact

ꢀ Chip-based data carrier compactly stores in-

formation

GND

All dimensions are shown in millimeters

ꢀ Data can be accessed while affixed to object

ꢀ Economically communicates to host with a

single digital signal at 16.3 kbps

ꢀ Standard 16 mm diameter and 1-Wire^®

protocol ensure compatibility with iButton^®

Device family

ORDERING INFORMATION

DS1904L-F5# F5 MicroCan

# Denotes an RoHS-compliant device that may include

lead(Pb) that is exempt under the RoHS requirements.

ꢀ Button shape is self-aligning with cup-shaped

probes

ꢀ Durable stainless steel case engraved with

registration number withstands harsh envi-

ronments

EXAMPLES OF ACCESSORIES

DS9096P

DS9101

DS9093RA

DS9093A

DS9092

Self-Stick Adhesive Pad

Multi-Purpose Clip

Mounting Lock Ring

Snap-In Fob

iButton Probe

iButton DESCRIPTION

The DS1904 RTC iButton is a rugged real-time clock module that can be accessed with minimal

hardware. Data is transferred serially via the 1-Wire protocol, which requires only a single data lead and a

1-Wire and iButton are registered trademarks of Maxim Integrated Products, Inc.

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

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

19-4864; Rev 6/13

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