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AS3412 数据表(PDF) 52 Page - ams-OSRAM AG |
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AS3412 数据表(HTML) 52 Page - ams-OSRAM AG |
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52 / 85 page  ams Datasheet Page 51 [v1-00] 2016-Apr-06 Document Feedback AS3412 − Detailed Description VBAT =1.8V, TA=25ºC, unless otherwise specified. Figure 68: I²C Serial Interface Parameter I²C Serial Interface Parameter: This table shows the serial interface timing parameter. Symbol Parameter Condition Min Typ Max Unit VCSL CSCL, CSDA Low Input Level (max 30% VBAT) 0 - 0.42 V VCSH CSCL, CSDA High Input Level CSCL, CSDA (min 70% VBAT) 1.16 - V HYST CSCL, CSDA Input Hysteresis 200 450 800 mV VOL CSDA Low Output Level at 3mA - - 0.4 V Tsp Spike insensitivity 50 100 - ns TH Clock high time max. 400kHz clock speed 500 ns TL Clock low time max. 400kHz clock speed 500 ns TSU CSDA has to change TSU before rising edge of CSCL 250 - - ns THD No hold time needed for CSDA relative to rising edge of CSCL 0- - ns TS CSDA H hold time relative to CSDA edge for start/stop/rep_ start 200 - - ns TPD CSDA prop delay relative to low going edge of CSCL 50 ns |
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