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PT7C43390LE データシート(PDF) 6 Page - Pericom Semiconductor Corporation |
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PT7C43390LE データシート(HTML) 6 Page - Pericom Semiconductor Corporation |
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6 / 38 page ![]() |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 2015-12-0001 PT0280-8 12/11/15 6 PT7C43390/43390C Real-time Clock Module AC Electrical Characteristics Measure conditions Input pulse voltage VIH = 0.9 ×VDD, VIL = 0.1 ×VDD Input pulse rise/fall time 20ns Output determination voltage VOH = 0.5 ×VDD, VOL = 0.5 ×VDD Output load 100pF + pull-up resistance 1kΩ Symbol Parameter VDD > 1.35 V *2 VDD > 3.0 V *2 Unit Min. Typ. Max. Min. Typ. Max. FSCL SCL clock frequency 0 - 100 0 - 400 kHz tLOW SCL clock low time 4.7 - - 1.3 - - µs tHIGH SCL clock high time 4 - - 0.6 - - µs tPD SDA output delay time - - 3.5 - - 0.9 µs tSU.STA Start condition setup time 4.7 - - 0.6 - - µs tHD.STA Start condition hold time 4 - - 0.6 - - µs tSU.DAT Data input setup time 250 - - 100 - - ns tHD.DAT Data output hold time 0 - - 0 - - µs tSU.STO Stop condition setup time 4.7 - - 0.6 - - µs tR SCL, SDA rise time - - 1 - - 0.3 µs tF SCL, SDA fall time - - 0.3 - - 0.3 µs tBUF Bus release time 4.7 - - 1.3 - - µs tI Noise suppression time - - 100 - - 50 ns *1. Since the output format of the SDA pin is Nch open-drain output, output data definition time is determined by the values of the load resistance (RL) and load capacity (CL) outside the IC. Therefore, use this value only as a reference value. *2 Regarding the power supply voltage, refer to “Recommended Operating Conditions”. |
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