參數(shù)資料
型號(hào): DS2405
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Memory IC:Other
英文描述: SPECIALTY MEMORY CIRCUIT, PBCY3
封裝: TO-92, 3 PIN
文件頁(yè)數(shù): 5/15頁(yè)
文件大小: 429K
代理商: DS2405
DS2405
13 of 15
READ/WRITE TIMING DIAGRAM Figure 6 (cont.)
Read-Data Time Slot
60
μs ≤ tSLOT < 120μs
1
μs ≤ tLOWR< 15μs
0
≤ tRELEASE< 45μs
1
μs ≤ tREC< ∞
tRDV= 15μs
tSU < 1μs
CRC GENERATION
To validate the data transmitted from the DS2405, 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
DS2405. If the two CRC values match, the transmission is error-free.
The equivalent polynomial function of this CRC is:
CRC = x8 + x5 + x4 + 1
For more details, see the Book of DS19xx iButton Standards.
RESISTOR
MASTER
DS2405
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