STV224XH/228XH/223XH - ELECTRICAL CHARACTERISTICS
4.11 I²C BUS CHARACTERISTICS
4.11.1 SCL
Symbol
VIL
VIH
ILI
fSCL
tR
tF
CI
Parameter
Low Level Input Voltage
High Level Input Voltage
Input Leakage Current
Clock Frequency
Input Rise Time
Input Fall Time
Input Capacitance
Test Conditions
VIN = 0 to VCC
1.5V to 3V
1.5V to 3V
4.11.2 SDA
Symbol
VIL
VIH
ILI
CI
tR
tF
VOL
tF
CL
CI
Parameter
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
Test Conditions
VIN = 0 to VCC
1.5V to 3V
1.5V to 3V
IOL = 3mA
3V to 1.5V
4.11.3 I²C Timing
Symbol
tLOW
tHIGH
tSU,DAT
tHD,DAT
tSU,STO
tBUF
tHD,STA
tSU,STA
Parameter
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
Test Conditions
Figure 19. I²C Bus Timing
Min. Typ. Max. Unit
-0.5
1.5
V
3
VCC+0.5 V
-10
10
µA
0
100 kHz
1.000 ns
300 ns
10
pF
Min. Typ. Max. Unit
-0.5
1.5
V
3
VCC+0.5 V
-10
10
µA
10
pF
1.000 ns
300 ns
0.4
V
250 ns
400 pF
10
pF
Min. Typ. Max. Unit
4.7
µs
4
µs
250
ns
0
340 ns
4
µs
4.7
µs
4
µs
4.7
µs
SDA
SCL
tBUF
tLOW
t SU,DAT
t HD,STA
tR
tHD,DAT tHIGH
tF
t SU,STO
SDA
tSU,STA
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