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参数资料
| 型号： | DS1921Z-F5# |
| 厂商： | Maxim Integrated |
| 文件页数： | 33/45页 |
| 文件大小： | 0K |
| 描述： | IBUTTON THERMOCHRON F5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| RoHS指令信息： | IButton RoHS Compliance Plan |
| 标准包装： | 8 |
| 系列： | iButton® |
| 存储容量： | 512B |
| 存储器类型： | NVSRAM（非易失 SRAM） |
| 产品目录页面： | 1431 (CN2011-ZH PDF) |
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CRC-16 HARDWARE DESCRIPTION AND POLYNOMIAL Figure 16
DS1921H/Z
Polynomial = X
+ X
+ X + 1
16
15
2
1
2
3
4
5
6
7
8
X
X
X
X
X
X
X
X
0
st
STAGE
nd
STAGE
1
rd
STAGE
2
th
STAGE
3
th
STAGE
4
th
STAGE
5
th
STAGE
6
th
STAGE
7
9
10
11
12
13
14
15
16
th
STAGE
th
STAGE
th
STAGE
th
STAGE
th
STAGE
th
STAGE
th
STAGE
th
STAGE
X
X
X
X
X
X
X
X
X
8
9
10
11
12
13
14
15
INPUT DATA
16
CRC
OUTPUT
Command-Specific 1-Wire Communication Protocol — Legend
Symbol
RST
PD
Select
WS
RS
CPS
RM
RMC
CM
CT
TA
TA-E/S
<data to EOS>
<data to EOP>
<data to EOM>
<00 to EOP>
<32 bytes>
<data>
CRC16
FF loop
AA loop
Busy
00 loop
Description
1-Wire Reset Pulse generated by master
1-Wire Presence Pulse generated by slave
Command and data to satisfy the ROM function protocol (Skip ROM, Search ROM, etc.)
Command "Write Scratchpad"
Command "Read Scratchpad"
Command "Copy Scratchpad"
Command "Read Memory"
Command "Read Memory with CRC"
Command "Clear Memory"
Command "Convert Temperature"
Target Address TA1, TA2
Target Address TA1, TA2 with E/S byte
Transfer of as many data bytes as are needed to reach the scratchpad offset 1Fh
Transfer of as many data bytes as are needed to reach the end of a memory page
Transfer of as many data bytes as are needed to reach the end of the datalog memory
Transfer of as many 00h bytes as are needed to reach a memory page boundary
Transfer of 32 bytes
Transfer of an undetermined amount of data
Transfer of an inverted CRC16
Indefinite loop where the master reads FFh bytes
Indefinite loop where the master reads AAh bytes
Interval during Copy Scratchpad where the DS1921H/Z does not respond. Any bits read
during this time are logic 1.
Indefinite loop where the master reads 00h bytes
33 of 45
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1921Z-F5# | 功能描述:iButton Thermochron High Res 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 |
| DS1921Z-F5/A1D | 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 |
| DS1921Z-F5+A1D | 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 |
| DS1921Z-F50 | 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 |
| DS1922E | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Temperature Logger iButton with 8KB |
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