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TDA9209 датащи(PDF) 14 Page - STMicroelectronics |
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TDA9209 датащи(HTML) 14 Page - STMicroelectronics |
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14 / 22 page ![]() TDA9209 14/22 9- I2C ELECTRICAL CHARACTERISTICS T amb =25°C, V CCA = 5V, unless otherwise specified 10 - I2C INTERFACE TIMING REQUIREMENTS (see Figure 11) Figure 11. I2C Timing Diagram Symbol Parameter Test Conditi ons Min. Typ. Max. Units VIL Low Level Input Voltage On Pins SDA, SCL 1.5 V VIH High Level Input Voltage 3 V IIN Input Current (Pins SDA, SCL) 0.4 V < V IN < 4.5 V -10 + 10 µA fSCL(Max.) SCL Maximum Clock Frequency 200 0.25 kHz VOL Low Level Output Voltage SDA Pin when ACK Sink Current = 6mA 0.6 V Symbol Parameter Min. Typ. Max. Units tBUF Time the bus must be free between two accesses 1300 ns tHDS Hold Time for Start Condition 600 ns tSUP Set-up Time for Stop Condition 600 ns tLOW The Low Period of Clock 1300 ns tHIGH The High Period of Clock 600 ns tHDAT Hold Time Data 300 ns tSUDAT Set-up Time Data 250 ns tR,tF Rise and Fall Time of both SDA and SCL 20 300 ns t HDAT t SUDAT t LOW t HIGH t HDS t SUP t BUF SDA SCL |
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