Datasheet > DS1990A

DS1990A

更新时间： 2024-01-28 20:42:39

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
10页	154K
描述
Serial Number iButton

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中文翻译

获取价格

技术参数
数据手册

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DS1990A 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.61	Base Number Matches：	1

DS1990A 数据手册

DS1990A

Serial Number iButton^TM

www.dalsemi.com

DS1990A SPECIAL FEATURES

§ Upgrade of DS1990 allows multiple Serial

Number iButtons to reside on a common bus

§ Unique 48–bit serial number

F3 MICROCAN^TM

3.10

0.36

0.51

§ Low-cost electronic key for access control

§ 8-bit CRC for checking data integrity

§ Can be read in less than 5 ms

§ Operating temperature range of -40°C to

+85°C

1993

16.25

YYWW REGISTERED RR

000000FBC52B

17.35

DATA

GROUND

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

F5 MICROCAN^TM

5.89

0.36

0.51

§ Multidrop controller for MicroLAN

§ Digital identification by momentary contact

§ Chip-based data carrier compactly stores

information

1993

16.25

YYWW REGISTERED RR

17.35

000000FBD8B3

§ Data can be accessed while affixed to an

object

DATA

§ Economically communicates to bus master

with a single digital signal at 16.3k bits per

second

GROUND

§ Standard 16 mm diameter and 1-Wire^TM

protocol ensure compatibility with iButton

family

All dimensions shown in millimeters

ORDERING INFORMATION

DS1990A-F3

DS1990A-F5

F3 MicroCan

F5 MicroCan

§ 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

EXAMPLES OF ACCESSORIES

DS9096P

DS9101

Self-Stick Adhesive Pad

Multi-Purpose Clip

Mounting Lock Ring

Snap-In Fob

DS9093RA

DS9093F

DS9092

iButton Probe

§ Presence detector acknowledges when reader

first applies voltage

§ Meets UL#913 (4th Edit.); Intrinsically Safe

Apparatus, Approved under Entity Concept

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

and D locations

1 of 10

081999

12 3 4 5 6 7...10

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与DS1990A相关器件

型号	品牌	获取价格	描述	数据表
DS1990A-F3	DALLAS	获取价格	Serial Number iButton
DS1990A-F3+	MAXIM	获取价格	Serial Number iButton
DS1990A-F5	DALLAS	获取价格	Serial Number iButton
DS1990A-F5#	MAXIM	获取价格	EEPROM, 64X1, Serial, CMOS, MEDB2, ROHS COMPLIANT, MICROCAN-2
DS1990A-F5+	MAXIM	获取价格	Serial Number iButton
DS1990P	ETC	获取价格	Analog IC
DS1990R	MAXIM	获取价格	Serial Number iButton
DS1990R	ADI	获取价格	序列号iButton
DS1990-R3	DALLAS	获取价格	Memory Circuit, 64X1, CMOS, MEDB2, MICROCAN-2
DS1990R-F3	MAXIM	获取价格	EEPROM, 64X1, Serial, CMOS, MEDB2, MICROCAN-2