參數(shù)資料
型號: M41ST85WMH6TR
廠商: STMICROELECTRONICS
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝: 0.300 INCH, SNAPHAT, PLASTIC, SOH-28
文件頁數(shù): 26/41頁
文件大?。?/td> 376K
代理商: M41ST85WMH6TR
DC and AC parameters
M41ST85W
Figure 19.
Bus timing requirements sequence
Table 12.
AC characteristics
Symbol
Parameter(1)
1.
Valid for ambient operating temperature: TA = –40 to 85°C; VCC = 2.7 to 3.6 V (except where otherwise noted).
Min
Max
Unit
fSCL
SCL clock frequency
0
400
kHz
tBUF
Time the bus must be free before a new transmission can start
1.3
s
tEXPD
EX to ECON propagation delay
15
ns
tF
SDA and SCL fall time
300
ns
tHD:DAT
(2)
2.
T
ransmitter must internally provide a hold time to bridge the undefined region (300 ns max) of the falling edge of SCL.
Data hold time
0
s
tHD:STA
START condition hold time (after this period the first clock pulse is generated)
600
ns
tHIGH
Clock high period
600
ns
tLOW
Clock low period
1.3
s
tR
SDA and SCL rise time
300
ns
tSU:DAT
Data setup time
100
ns
tSU:STA
START condition setup time (only relevant for a repeated start condition)
600
ns
tSU:STO
STOP condition setup time
600
ns
AI00589
SDA
P
tSU:STO
tSU:STA
tHD:STA
SR
SCL
tSU:DAT
tF
tHD:DAT
tR
tHIGH
tLOW
tHD:STA
tBUF
S
P
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