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DS1985-F3 PDF预览

DS1985-F3

更新时间： 2024-09-23 22:40:35
品牌 Logo 应用领域
达拉斯 - DALLAS /
页数 文件大小 规格书
25页 442K
描述
16-kbit Add-Only iButton

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中文翻译

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DS1985-F3 技术参数

生命周期：Transferred包装说明：MICROCAN-2
Reach Compliance Code：unknown风险等级：5.76
最长访问时间：15000 ns其他特性：MICROLAN COMPATIBLE
I/O 类型：COMMONJESD-30 代码：O-XRDB-N2
内存密度：16384 bit内存集成电路类型：EEPROM
内存宽度：8功能数量：1
端子数量：2字数：2048 words
字数代码：2000工作模式：SYNCHRONOUS
最高工作温度：85 °C最低工作温度：-40 °C
组织：2KX8输出特性：OPEN-DRAIN
封装主体材料：UNSPECIFIED封装等效代码：BUTTON,.68IN
封装形状：ROUND封装形式：DISK BUTTON
并行/串行：SERIAL电源：3/5 V
编程电压：3 V认证状态：Not Qualified
子类别：Other Memory ICs最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：2.8 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：MOS
温度等级：INDUSTRIAL端子形式：NO LEAD
端子位置：RADIALBase Number Matches：1

DS1985-F3 数据手册

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DS1985  
16-kbit Add-Only iButtonTM  
www.dalsemi.com  
SPECIAL FEATURES  
§ 16384 bits Electrically Programmable Read  
Only Memory (EPROM) communicates with  
the economy of one signal plus ground  
§ EPROM partitioned into sixty-four 256-bit  
pages for randomly accessing packetized  
data records  
§ Multidrop controller for MicroLAN  
§ Digital identification and information by  
momentary contact  
§ Chip-based data carrier compactly stores  
information  
§ Data can be accessed while affixed to object  
§ Economically communicates to bus master  
with a single digital signal at 16.3k bits per  
second  
§ Each memory page can be permanently  
write-protected to prevent tampering  
§ Device is an “add only” memory where  
additional data can be programmed into  
EPROM without disturbing existing data  
§ Architecture allows software to patch data by  
superseding an old page in favor of a newly  
programmed page  
§ Standard 16 mm diameter and 1-WireTM  
protocol ensure compatibility with iButton  
family  
§ Button shape is self-aligning with cup-  
shaped probes  
§ Reduces control, address, data, power, and  
programming signals to a single data pin  
§ 8-bit family code specifies DS1985  
communications requirements to reader  
§ Reads over a wide voltage range of 2.8V to  
6.0V from -40°C to +85°C; programs at  
11.5V to 12.0V from -40°C to +85°C  
§ 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  
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  
§ Meets UL#913 (4th Edit.); Intrinsically Safe  
Apparatus, Approved under Entity Concept  
for use in Class I, Division 1, Group A, B, C  
and D Locations (application pending)  
F3 MICROCAN TM  
F5 MICROCAN TM  
5.89  
3.10  
0.36  
0.36  
0.51  
0.51  
c
1993  
c
1993  
16.25  
16.25  
YYWW REGISTERED RR  
YYWW REGISTERED RR  
0B  
000000FBC52B  
ED  
17.35  
0B  
17.35  
6D  
000000FBD8B3  
DATA  
DATA  
GROUND  
GROUND  
All dimensions shown in millimeters.  
1 of 25  
090299  
1234567...25

中文翻译

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