參數(shù)資料
型號(hào): M41ST85Y-85MH6
廠商: STMICROELECTRONICS
元件分類(lèi): 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO28
封裝: 0.330 INCH, SNAPHAT, PLASTIC, SOH-28
文件頁(yè)數(shù): 2/32頁(yè)
文件大?。?/td> 171K
代理商: M41ST85Y-85MH6
M41ST85Y, M41ST85W
10/32
Figure 9. Bus Timing Requirements Sequence
Table 2. AC Characteristics
Note: 1. Transmitter must internally provide a hold time to bridge the undefined region (300ns max) of the falling edge of SCL.
Symbol
Parameter
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
M41ST85Y
10
ns
M41ST85W
15
tF
SDA and SCL Fall Time
300
ns
tHD:DAT
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
(1)
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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