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STLUX385ATR 数据表(PDF) 86 Page - STMicroelectronics

部件名 STLUX385ATR
功能描述  Digital controller for lighting and power conversion applications
PDF  99 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STLUX385ATR 数据表(HTML) 86 Page - STMicroelectronics

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Electrical characteristics
STLUX385A
86/98
DocID024387 Rev 2
10.3.8
Reset pin characteristics
Subject to general operating conditions for V
DD
and T
A
unless otherwise specified.
10.3.9
I2C interface characteristics
Table 50. NRST pin characteristics
Symbol
Parameter
Conditions
Min.(1)
1.
Data based on characterization results, not tested in production.
Typ.
Max.(1)
Unit
V
IL(NRST)
NRST input low level voltage
(1)
-0.3
0.3 x V
DD
V
V
IH(NRST)
NRST input high level voltage
(1)
0.7 x
V
DD
V
DD
+ 0.3
V
OL(NRST)
NRST output low level voltage
(1)
I
OL
= 2 mA
0.5
R
PU(NRST)
NRST pull-up resistor
(2)
2.
The RPU pull-up equivalent resistor is based on a resistive transistor.
30
40
60
k
Ω
t
IFP(NRST)
NRST input filtered pulse
(3)
3.
Data guaranteed by design, not tested in production.
75
ns
t
INFP(NRST)
NRST not input filtered pulse
(3)
500
t
OP(NRST)
NRST output filtered pulse
(3)
15
μs
Table 51. I2C interface characteristics
Symbol
Parameter
Standard mode
Fast mode(1)
Unit
Min.(2)
Max.(2)
Min.(2)
Max.(2)
t
w(SCLL)
SCL clock low time
4.7
1.3
μs
t
w(SCLH)
SCL clock high time
4.0
0.6
t
su(SDA)
SDA setup time
250
100
ns
t
h(SDA)
SDA data hold time
0
(3)
0
(3)
900
(3)
t
r(SDA)
t
r(SCL)
SDA and SCL rise time
(V
DD
= 3.3 to 5 V)
(4)
1000
300
t
f(SDA)
t
f(SCL)
SDA and SCL fall time
(V
DD
= 3.3 to 5 V)
(4)
300
300
t
h(STA)
START condition hold time
4.0
0.6
μs
t
su(STA)
Repeated START condition setup
time
4.7
0.6
t
su(STO)
STOP condition setup time
4.0
0.6
μs
t
w(STO:STA)
STOP to START condition time
(bus free)
4.7
1.3
μs
C
b
Capacitive load for each bus line
(5)
50
50
pF
1.
f
MASTER
, must be at least 8 MHz to achieve maximum fast I
2
C speed (400 kHz).



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