TEA6425 データシートの表示（PDF） - STMicroelectronics
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TEA6425 Datasheet PDF : 10 Pages
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TEA6425
I2C BUS CHARACTERISTICS
Symbol
Parameter
Test Conditions
SCL
VIL
VIH
ILI
fSCL
tR
tF
CI
SDA
Low Level Input Voltage
High Level Input Voltage
Input Leakage Current
Clock Frequency
Input Rise Time
Input Fall Time
Input Capacitance
VIL
VIH
ILI
CI
tR
tF
VOL
tF
CL
TIMING
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
tLOW Clock Low Period
tHIGH Clock High Period
tSU, DAT Data Set-up Time
tHD, DAT Data Hold Time
tSU, STO Set-up Time from Clock High to Stop
tBUF Start Set-up Time following a Stop
tHD, STA Start Hold Time
tSU, STA
Start Set-up Time following Clock Low-to
High Transition
VI = 0 to VDD
1.5V to 3V
1.5V to 3V
VI = 0 to VDD
1.5V to 3V
1.5V to 3V
IOL = 3mA
3V to 1.5V
Standard Mode Fast Mode
Min. Max. Min. Max.
Unit
- 0.3
3.0
- 10
0
+ 1.5
VCC + 0.5
+ 10
100
1000
300
10
- 0.3 + 1.5 V
3.0 VCC + 0.5 V
- 10 + 10 µA
0
400 kHz
300
ns
300
ns
10
pF
- 0.3 + 1.5 - 0.3 + 1.5 V
3.0 VCC + 0.5 3.0 VCC + 0.5 V
- 10 + 10 - 10 + 10 µA
10
10
pF
1000
300
ns
300
300
ns
0.4
0.4
V
250
250
ns
400
400
pF
4.7
1.3
µs
4.0
0.6
µs
250
100
ns
0
340
0
340
ns
4.0
0.6
µs
4.7
1.3
µs
4.0
0.6
µs
4.7
0.6
µs
Figure 4. I2C Bus Timing
SDA
SCL
SDA
t BUF
t LOW
tf
t HD,STA
tr
t HD,DAT t HIGH
t SU,DAT
t SU,STA
t SU,STO
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