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STBCFG01 数据表(PDF) 13 Page - STMicroelectronics |
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STBCFG01 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 37 page ![]() STBCFG01 Electrical characteristics DocID026474 Rev 3 13/37 Symbol Parameter Test conditions Min. Typ. Max. Unit tSTRB ADC conversion strobe 4 s tSWAP Battery swap deglitch time 1 s VBATERR VBAT measurement error -0.5 +0.5 % VBATRES VBAT measurement resolution OCV reading 2.69 mV VBATRNG VBAT measurement range 2.5 5.5 V VRIDTH RID threshold 1.2 1.25 1.3 V Hysteresis 0.130 V I²C compatible interface VIH High level input voltage 1.3 V VIL Low level input voltage 0.6 V VOL Low level output voltage at 10 mA sink current for open drain I/O 0.3 V CIO I/O pin capacitance 10 pF fSCL SCL clock frequency 400 kHz tLOW Minimum clock low period 1.3 µs tHIGH Minimum clock high period 600 ns tF SDA and SCL fall time 300 ns tHOLD_STA Start condition hold time 600 ns tSU_STA Start condition set-up time 600 ns tSU_DAT Data set-up time 100 ns tHOLD_DAT Data hold time 0 µs tSU_STO Stop condition set-up time 600 ns tBUF Minimum delay between operations 1.3 µs Digital interface VIH Input high threshold 1.3 V VIL Input low threshold 0.6 V VOL Output low threshold 0.3 V |
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