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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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AB18X5-RTC 数据表(PDF) 25 Page - Abracon Corporation |
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AB18X5-RTC 数据表(HTML) 25 Page - Abracon Corporation |
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25 / 37 page  AB18X5 Real-Time Clock with Power Management Family Date of Issue: October 16, 2014 3.0 x 3.0 mm Page 25 of 37 Abracon Drawing #453568 Revision: C 5.8 I ²C AC Electrical Characteristics Figure 17 and Table 11 describe the I2C AC electrical parameters. Figure 17. I ²C AC Parameter Definitions For Table 11, T A = -40 °C to 85 °C, TYP values at 25 °C. Table 11: I ²C AC Electrical Parameters SYMBOL PARAMETER VCC MIN TYP MAX UNIT fSCL SCL input clock frequency 1.7V-3.6V 10 400 kHz tLOW Low period of SCL clock 1.7V-3.6V 1.3 µs tHIGH High period of SCL clock 1.7V-3.6V 600 ns tRISE Rise time of SDA and SCL 1.7V-3.6V 300 ns tFALL Fall time of SDA and SCL 1.7V-3.6V 300 ns tHD:STA START condition hold time 1.7V-3.6V 600 ns tSU:STA START condition setup time 1.7V-3.6V 600 ns tSU:DAT SDA setup time 1.7V-3.6V 100 ns tHD:DAT SDA hold time 1.7V-3.6V 0 ns tSU:STO STOP condition setup time 1.7V-3.6V 600 ns tBUF Bus free time before a new transmission 1.7V-3.6V 1.3 µs tBUF SCL SDA tHD:STA tLOW tRISE SDA tSU:STA tHD:DAT tHIGH tSU:DAT tSU:STO tFALL |
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