DS1921Z Datasheet

IC型號(hào)：
DS1921Z
PDF描述：
High Resolution Thermochron iButton Range H: +15°.C to +...
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DS1921H/Z

www.maxim-ic.com

High-Resolution Thermochron iButton

Range H: +15擄C to +46擄C; Z: -5擄C to +26擄C

SPECIAL FEATURES

摟

Digital thermometer measures temperature in

1/8擄C increments

Built-in real-time clock (RTC) and timer has

accuracy of

鹵2

minutes per month

Automatically wakes up and measures

temperature at user-programmable intervals

from 1 to 255 minutes

Logs up to 2048 consecutive temperature

measurements in protected nonvolatile (NV)

memory

Records a long-term temperature histogram

with 1/2擄C resolution

Programmable temperature-high and

temperature-low alarm trip points

Records up to 24 time stamps and durations

when temperature leaves the range specified

by the trip points

512 bytes of general-purpose read/write NV

memory

Communicates to host with a single digital

signal at 14.1kbits or 125kbits per second

using 1-Wire

廬

protocol

Fixed range: H: +15擄C to +46擄C;

Z: -5擄C to +26擄C

摟

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 Ed.). Intrinsically Safe

Apparatus: approved under Entity Concept

for use in Class I, Division 1, Group A, B, C,

and D Locations (application pending)

F5 MICROCAN

5.89

0.36

0.51

漏 1993

16.25

YYWW REGISTERED

17.35

3B2000FBC52B

GND

All dimensions are shown in millimeters.

COMMON iButton FEATURES

摟

Digital identification and information by

momentary contact

Unique, factory-lasered and tested 64-bit reg-

istration number (8-bit family code + 48-bit

serial number + 8-bit CRC tester) ensures ab-

solute traceability because no two parts are

alike

Multidrop controller for 1-Wire net

Chip-based data carrier compactly stores

information

Data can be accessed while affixed to object

Button shape is self-aligning with cup-shaped

probes

ORDERING INFORMATION

DS1921H-F5

DS1921Z-F5

+15擄C to +46擄C

-5擄C to +26擄C

F5 iButton

廬

F5 iButton

EXAMPLES OF ACCESSORIES

DS9096P

DS9101

DS9093RA

DS9093A

DS9092

Self-Stick Adhesive Pad

Multipurpose Clip

Mounting Lock Ring

Snap-In Fob

iButton Probe

摟

1-Wire, Microcan, and iButton are registered trademarks of Dallas Semiconductor.

1 of 40

091202

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