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Part Name
Description
DS2431 View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
Manufacturer
DS2431
1024-Bit 1-Wire EEPROM
Dallas Semiconductor -> Maxim Integrated
DS2431 Datasheet PDF : 23 Pages
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Figure 7-3. Memory Function Flow Chart (continued)
DS2431: 1024-Bit, 1-Wire EEPROM
From Figure 7
2
nd
Part
55h
N
Copy Scratch-
Pad ?
Y
Bus Master TX
TA1 (T7:T0), TA2 (T15:T8)
and E/S Byte
Applicable to all R/W
memory locations.
To Figure 7
4
th
Part
Auth. Code
Y
Match ?
N
T15:T0
Y
< 0090h ?
N
N
PF = 0 ?
Y
Y
Copy-
Protected ?
N
AA = 1
DS2431 copies Scratch- *
pad Data to Address
DS2431 TX “0”
Bus Master
RX “1”s
Master
N
TX Reset ?
Y
To Figure 7
2
nd
Part
* 1-Wire idle high for power
Y
Master
TX Reset ?
N
DS2431 TX “1”
Master
N
TX Reset ?
Y
From Figure 7
4
th
Part
11 of 23
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