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參數(shù)資料
| 型號(hào)： | DS2401 |
| 英文描述： | Silicon Serial Number |
| 中文描述： | 硅序列號(hào) |
| 文件頁(yè)數(shù)： | 8/10頁(yè) |
| 文件大小： | 151K |
| 代理商： | DS2401 |
DS2401
8 of 10
102199
READ/WRITE TIMING DIAGRAM
(cont’d) Figure 6
Write-zero Time Slot
60
μ
s
≤
t
LOW0
< t
SLOT
< 120
μ
s
1
μ
s
≤
t
REC
<
∞
Read-data Time Slot
60
μ
s
≤
t
SLOT
< 120
μ
s
1
μ
s
≤
t
LOWR
< 15
μ
s
0
≤
t
RELEASE
< 45
μ
s
1
μ
s
≤
t
REC
<
∞
t
RDV
= 15
μ
s
t
SU
< 1
μ
s
CRC GENERATION
To validate the data transmitted from the DS2401, the bus master may generate a CRC value from the
data as it is received. This generated value is compared to the value stored in the last 8 bits of the
DS2401. If the two CRC values match, the transmission is error-free.
The equivalent polynomial function of this CRC is: CRC = x
8
+ x
5
+ x
4
+ 1. For more details, see the
Book of DS19xx iButton Standards.
CUSTOM DS2401
Customization of a portion of the unique 48-bit serial number by the customer is available. Dallas
Semiconductor will register and assign a specific customer ID in the 12 most significant bits of the 48-bit
field. The next most significant bits are selectable by the customer as a starting value, and the least
significant bits are non-selectable and will be automatically incremented by one. Certain quantities and
conditions apply for these custom parts. Contact your Dallas Semiconductor sales representative for more
information.
RESISTOR
MASTER
DS2401
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2401P | Silicon Serial Number |
| DS2401T-SL | Silicon Serial Number |
| DS2401V | Silicon Serial Number |
| DS2401Y | Silicon Serial Number |
| DS2401Z | Silicon Serial Number |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2401/B0E | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS2401/T&R | 功能描述:序列號(hào)注冊(cè) RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線(xiàn)寬度: 電源電壓-最大: 電源電壓-最小: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| DS2401/T&R/SL | 功能描述:序列號(hào)注冊(cè) RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線(xiàn)寬度: 電源電壓-最大: 電源電壓-最小: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| DS2401_11 | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:Silicon Serial Number Unique, Factory-Lasered and Tested 64-Bit |
| DS2401+ | 功能描述:序列號(hào)注冊(cè) Silicon Serial Number RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線(xiàn)寬度: 電源電壓-最大: 電源電壓-最小: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
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