TDA9209 View Datasheet(PDF) - STMicroelectronics
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TDA9209 Datasheet PDF : 22 Pages
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TDA9209
9 - I2C ELECTRICAL CHARACTERISTICS
Tamb = 25°C, VCCA = 5V, unless otherwise specified
Symbol
Parameter
Test Conditi ons
VIL
VIH
IIN
fSCL(Max.)
Low Level Input Voltage
High Level Input Voltage
Input Current (Pins SDA, SCL)
SCL Maximum Clock Frequency
VOL
Low Level Output Voltage
On Pins SDA, SCL
0.4 V < VIN < 4.5 V
SDA Pin
when ACK Sink Current = 6mA
Min.
3
-10
200
Typ.
Max. Units
1.5 V
V
+10 µA
0.25 kHz
0.6 V
10 - I2C INTERFACE TIMING REQUIREMENTS
(see Figure 11)
Symbol
Parameter
tBUF
tHDS
tSUP
tLOW
tHIGH
tHDAT
tSUDAT
tR, tF
Time the bus must be free between two accesses
Hold Time for Start Condition
Set-up Time for Stop Condition
The Low Period of Clock
The High Period of Clock
Hold Time Data
Set-up Time Data
Rise and Fall Time of both SDA and SCL
Min. Typ. Max. Units
1300
600
600
1300
600
300
250
20
ns
ns
ns
ns
ns
ns
ns
300 ns
Figure 11. I2C Timing Diagram
SDA
SCL
tBUF
t
HDS
t
HIGH
tHDAT
t
SUDAT
t
SUP
t
LOW
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