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19-4892; Rev 8/09
DS1985
16Kb Add-Only iButton
SPECIAL FEATURES
COMMON iButton FEATURES
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16384 bits Electrically Programmable Read Only
Memory (EPROM) communicates with the
economy of one signal plus ground
EPROM partitioned into 64 256-bit pages for
randomly accessing packetized data records
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
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
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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
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 16.3kbps
Standard 16mm diameter and 1-Wire ?
protocol ensure compatibility with iButton ?
family
Button shape is self-aligning with cup-shaped
probes
Durable stainless steel case engraved with
F3 MicroCan
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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
ORDERING INFORMATION
PART
DS1985-F3+
DS1985-F5+
PIN-PACKAGE
F3 MicroCan
F5 MicroCan
F5 MicroCan
+Denotes a lead(Pb)-free/RoHS-compliant package .
EXAMPLES OF ACCESSORIES
DS9096P
DS9101
DS9093RA
DS9093F
DS9092
Self-Stick Adhesive Pad
Multi-Purpose Clip
Mounting Lock Ring
Snap-In Fob
iButton Probe
iButton and 1-Wire are registered trademarks of Maxim Integrated Products, Inc.
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相关PDF资料
DS1990A-F3+
IC IBUTTON SERIAL NUMBER F3
DS1990R-F5#
IBUTTON SERIAL NUMBER F5
DS1993L-F5+
IBUTTON MEMORY 4KBit F5
DS1995L-F5+
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IBUTTON MEMORY 64KBit F5
DS9092K#
KIT IBUTTON STARTER
DS9502P+T&R
DIODE ESD PROTECTION 6-TSOC
DS9503P+
DIODE ESD PROTECTION W/RES 6TSOC
相关代理商/技术参数
DS1985-F5
功能描述:iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated
DS1985-F5#
功能描述:iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated
DS1985-F5+
功能描述:iButton 16Kb Add-Only iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated
DS1985U
制造商:未知厂家 制造商全称:未知厂家 功能描述:UniqueWare iButton
DS1985U-F5-117D+
功能描述:iButton
RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated
DS1986
制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:64-kbits Add-Only iButton⑩
DS1986+F3
制造商:Maxim Integrated Products 功能描述:ADD-O IBTN 64KB, F3 (GENERIC) LFREE - Rail/Tube
DS19860-F3-W
功能描述:iButton
RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated