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SC7283 датащи(PDF) 72 Page - Sitronix Technology Co., Ltd. |
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SC7283 датащи(HTML) 72 Page - Sitronix Technology Co., Ltd. |
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72 / 89 page ![]() SC7283 Version 1.0 Page 72 of 89 2018/11 9.3 AC Characteristics AC Electrical Characteristics (PVDD=VDD=VDDI= 3.3V, AGND= 0V, TA=25 C, Bare Chip) 9.3.1 System Operation AC Characteristics Item Symbol Min. Typ. Max. Unit Conditions VDD Power Source Slew Time TPOR - - 20 ms From 0V to 99% VDD GRB Pulse Width tRSTW 10 50 - us R=10Kohm, C=1uF SD Output Stable Time Tst - - 12 us Output settled within +20mV Loading = 6.8k+28.2pF. GD Output Rise and Fall Time Tgst - - 6 us Output settled (5%~95%), Loading = 4.7k+29.8pF 9.3.2 System Bus Timing for I2C Interface Item Symbol Min. Typ. Max. Unit Conditions SCL Clock Frequency FSCL - - 400 KHz SCL Clock Low Period TLOW 1300 - - ns SCL Clock High Period THIGH 600 - - ns Signal Rise Time Tr 20+0.1Cb - 300 ns Signal Fall Time Tf 20+0.1Cb - 300 ns Start Condition Setup Time TSU;STA 600 - - ns Start Condition Hold Time THD;STA 600 - - ns Data Setup Time TSU;DAT 100 - - ns Data Hold Time THD;DAT 0 - 900 ns Setup Time for STOP Condition TSU;STO 600 - - ns Bus Free Time Between a STOP and START TBUF 100 - - ns Capacitive load represented by each bus line Cb 400 pF Tolerable Spike Width on Bus TSW - - 50 ns |
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