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參數(shù)資料
| 型號： | DS1994 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 4Kbit Plus Time Memory iButton(4K位+定時存儲器電子按鈕) |
| 中文描述： | 4K位、帶有時鐘的存儲器iButton® |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 134K |
| 代理商： | DS1994 |
DS1992/DS1993
1Kbit/4Kbit Memory iButton
TM
DS1994
4Kbit Plus Time Memory iButton
DS1992/DS1993/DS1994
020698 1/20
SPECIAL FEATURES
4096 bits of read/write nonvolatile memory (DS1993
and DS1994)
1024 bits of read/write nonvolatile memory (DS1992)
256–bit scratchpad ensures integrity of data transfer
Memory partitioned into 256–bit pages for packetizing
data
Data integrity assured with strict read/write protocols
Contains real time clock/calendar in binary format
(DS1994)
Interval timer can automatically accumulate time
when power is applied (DS1994)
Programmable cycle counter can accumulate the
number of system power–on/off cycles (DS1994)
Programmable alarms can be set to generate inter-
rupts for interval timer, real time clock, and/or cycle
counter (DS1994)
Write protect feature provides tamper–proof time data
(DS1994)
Programmable expiration date that will limit access to
SRAM and timekeeping (DS1994)
Clock accuracy is better than
±
2 minute/month at
25
°
C (DS1994)
Operating temperature range from –40
°
C to +70
°
C
Over 10 years of data retention
COMMON iBUTTON FEATURES
Unique, factory–lasered and tested 64–bit registra-
tion 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
TM
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
Standard 16 mm 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 registra-
tion 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 Edit.); Intrinsically Safe Appara-
tus, Approved under Entity Concept for use in Class
I, Division 1, Group A, B, C and D Locations
F5 MICROCAN
TM
5.89
GROUND
DATA
0.36
0.51
04
AF
000000FBC52B
YYWW
16.25
17.35
REGISTERED
RR
All dimensions shown in millimeters.
ORDERING INFORMATION
DS1992L–F5
DS1993L–F5
DS1994L–F5
F5 MicroCan
F5 MicroCan
F5 MicroCan
EXAMPLES OF ACCESSORIES
DS9096P
DS9101
DS9093RA
DS9093F
DS9092
Self–Stick Adhesive Pad
Multi–Purpose Clip
Mounting Lock Ring
Snap–In Fob
iButton Probe
相關PDF資料 |
PDF描述 |
|---|---|
| DS1995 | 16Kbit Memory iButton(4K位存儲器按鈕) |
| DS1996 | 64Kbit Memory iButton(16K位存儲器按鈕) |
| DS2016 | 2K x 8 3V/5V Operation Static RAM(2K x 8 在3V/5V下工作的靜態(tài)RAM) |
| DS2030Y-100 | Single-Piece 256kb Nonvolatile SRAM |
| DS2030AB | Single-Piece 256kb Nonvolatile SRAM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1994-LF5 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| DS1994L-F5 | 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS1994L-F5+ | 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS1994L-F5-W | 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS1994-LFS | 制造商: 功能描述: 制造商:undefined 功能描述: |
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