參數(shù)資料
型號: DS1963S
英文描述: SHA iButton
中文描述: SHA iButton
文件頁數(shù): 16/37頁
文件大?。?/td> 349K
代理商: DS1963S
DS1963S
16 of 37
Memory and SHA Function Flow Chart
(continued) Figure 7
Y
DS1963S TX "0"
DS1963S TX "1"
Master
TX Reset
Master
TX Reset
N
N
Y
Y
SHA
Finished
N
Bus Master
RX "1"s
SHA Engine computes
Message Authentication Code
of secret of selected page,
data of the selected page,
page W/C Counter, page #,
3 bytes scratchpad data
Serial Number of device and
Y
N
Master TX
Reset
Master
TX Reset
Bus Master RX data byte
from memory address
DS1963S sets memory
address = (T15:T0)
Address
< 200h
S
of Command, Address,
data and counter values
Bus Master RX CRC16
Bus Master RX Secret
Counter of selected page
Bus Master RX W/C
Counter of selected page
End
Of Page
Y
N
Master
TX Reset
N
Bus Master
RX "1"s
Y
Y
N
R
A5h
Read Auth.
Page
Bus Master TX
TA1(T7:T0), TA2(T15:T8)
Y
N
AUTH = 0
CHLG = 0
N
Y
Spare
Vertical
From Figure 7
4th part
From Figure 7
6th part
To Figure 7
6th part
To Figure 7
4th part
X = 0 ; M = MATCH
(TA1[7:6]
T4:T0 = 00000b
SEC#[2:1])
DS1963S
increments
address
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1963S+F5 制造商:Maxim Integrated Products 功能描述:SHA IBTN 8SOIC - Rail/Tube
DS1963S-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
DS1963S-F5+ 功能描述:iButton SHA 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
DS1965S-1-F3 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
DS1965S-1-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