參數(shù)資料
型號(hào)： DS1994L-F5
廠商： DALLAS SEMICONDUCTOR
元件分類： Memory IC:Other
英文描述： SPECIALTY MEMORY CIRCUIT, MRDB2
封裝： MICRO CAN
文件頁(yè)數(shù)： 1/23頁(yè)
文件大?。?/td> 537K
代理商： DS1994L-F5
1 of 23
102199
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
interrupts 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
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 16.3k 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
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 Edit.); Intrinsically Safe
Apparatus, Approved under Entity Concept
for use in Class I, Division 1, Group A, B, C
and D Locations
F5 MICROCAN
TM
All diminsions shown in millimeters.
ORDERING INFORMATION
DS1992L-F5
F5 MicroCan
DS1993L-F5
F5 MicroCan
DS1994L-F5
F5 MicroCan
DATA
GROUND
0.36
0.51
5.89
c 1993
YYWW REGISTERED RR
AF
04
000000FBC52B
16.25
17.35
DS1992/DS1993
1kbit/4kbit Memory iButton
TM
DS1994
4-kbit Plus Time Memory iButton
TM
www.dalsemi.com
相關(guān)PDF資料
PDF描述
DS1993L-F5 SPECIALTY MEMORY CIRCUIT, MRDB2
DS1992L-F5 SPECIALTY MEMORY CIRCUIT, MRDB2
DS1996L-F5 SPECIALTY MEMORY CIRCUIT, MADB2
DS2016 2K X 8 STANDARD SRAM, 100 ns, PDIP24
DS2118MB 9-LINE 110 ohm SCSI BUS TERMINATOR, PDSO36
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1994L-F5+ 功能描述:iButton RoHS:否 存儲(chǔ)類型:SRAM 存儲(chǔ)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(chǔ)類型:SRAM 存儲(chǔ)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:
DS1995 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:16-kbit Memory iButton
DS1995L-F5 功能描述:iButton RoHS:否 存儲(chǔ)類型:SRAM 存儲(chǔ)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
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