參數(shù)資料
型號: STV2249
元件分類: 參考電壓二極管
英文描述: Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
中文描述: 250 的低電流運算,低反向泄露,低噪聲穩(wěn)壓二極管
文件頁數(shù): 39/76頁
文件大小: 2157K
代理商: STV2249
STV223XD/224XC - ELECTRICAL CHARACTERISTICS
39/76
4.11 I2C BUS CHARACTERISTICS
SCL
SDA
I2C TIMING
Figure 19. I2C Bus Timing
Symbol
V
IL
V
IH
I
LI
f
SCL
t
R
t
F
C
I
Parameter
Test Conditions
Min.
-0.5
3
-10
0
Typ
Max.
1.5
V
CC
+0.5
10
100
1.000
300
10
Unit
V
V
μA
kHz
ns
ns
pF
Low Level Input Voltage
High
Level Input Voltage
Input Leakage Current
Clock Frequency
Input Rise Time
Input Fall Time
Input Capacitance
V
IN
= 0 to V
CC
1.5V to 3V
1.5V to 3V
Symbol
V
IL
V
IH
I
LI
C
I
t
R
t
F
V
OL
t
F
C
L
C
I
Parameter
Test Conditions
Min.
-0.5
3
-10
Typ
Max.
1.5
V
CC
+0.5
10
10
1.000
300
0.4
250
400
10
Unit
V
V
μA
pF
ns
ns
V
ns
pF
pF
Low Level input Voltage
High
Level input Voltage
Input Leakage Current
Input Capacitance
Input Rise Time
Input Fall Time
Low Level Output Voltage
Output Fall Time
Load Capacitance
Input Capacitance
V
IN
= 0 to V
CC
1.5V to 3V
1.5V to 3V
I
OL
= 3mA
3V to 1.5V
Symbol
t
LOW
t
HIGH
t
SU,DAT
t
HD,DAT
Parameter
Test Conditions
Min.
4.7
4
250
0
Typ
Max.
Unit
μs
μs
ns
ns
Clock Low period
Clock High period
Data Set-up Time
Data Hold Time
Set-up Time from Clock High to
Stop
Start Set-up Time following a Stop
Start Hold Time
Start Set-up Time following Clock
Low to High Transition
340
t
SU,STO
4
μs
t
BUF
t
HD,STA
4.7
4
μs
μs
t
SU,STA
4.7
μs
tBUF
tLOW
tHIGH
tHD,STA
tR
tF
tSU,STA
tHD,DAT
tSU,DAT
tSU,STO
SDA
SCL
SDA
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