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MB90330A Datasheet(PDF) 101 Page - Fujitsu Component Limited. |
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MB90330A Datasheet(HTML) 101 Page - Fujitsu Component Limited. |
101 / 120 page ![]() MB90330A Series 101 (6) I2C timing (VCC = AVCC = 3.3 V ± 0.3 V, VSS = AVSS = 0.0 V, TA = − 40 °C to + 85 °C) *1 : fCP is internal operating clock frequency. Refer to “ (1) Clock input timing”. *2 : R and C are pull-up resistance of SCL and SDA lines and load capacitance. *3 : The maximum tHDDAT only has to be met if the device does not stretch the “L” width (tLOW) of the SCL signal. *4 : Refer to “ • Note of SDA, SCL set-up time”. Parameter Symbol Conditions Value Unit Min Max SCL clock frequency fSCL Power-supply voltage of external pull-up resistor at 5.0 V. R = 1.2 kΩ, C = 50 pF*2 Power-supply voltage of external pull-up resistor at 3.6 V. R = 1.0 kΩ, C = 50 pF*2 0 100 kHz (Repeat) [start] condition hold time SDA ↓ → SCL ↓ tHDSTA 4.0 ⎯µs SCL clock “L” width tLOW 4.7 ⎯µs SCL clock “H” width tHIGH 4.0 ⎯µs Repeat [start] condition setup time SCL ↑ → SDA ↓ tSUSTA 4.7 ⎯µs Data hold time SCL ↓ → SDA ↓ ↑ tHDDAT 03.45*3 µs Data setup time SDA ↓ ↑ → SCL ↑ tSUDAT Power-supply voltage of external pull-up resistor at 5.0 V. fCP*1 ≤ 20 MHz, R = 1.2 kΩ, C = 50 pF*2 Power-supply voltage of external pull-up resistor at 3.6 V. fCP*1 ≤ 20 MHz, R = 1.0 kΩ, C = 50 pF*2 250*4 ⎯ ns Power-supply voltage of external pull-up resistor at 5.0 V. fCP*1 > 20 MHz, R = 1.2 kΩ, C = 50 pF*2 Power-supply voltage of external pull-up resistor at 3.6 V. fCP*1 > 20 MHz, R = 1.0 kΩ, C = 50 pF*2 200*4 ⎯ [Stop] condition setup time SCL ↑ → SDA ↑ tSUSTO Power-supply voltage of external pull-up resistor at 5.0 V. R = 1.2 kΩ, C = 50 pF*2 Power-supply voltage of external pull-up resistor at 3.6 V. R = 1.0 kΩ, C = 50 pF*2 4.0 ⎯µs Bus free time between [stop] condition and [start] condition tBUS 4.7 ⎯µs |
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