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PI4IOE5V9570 Datasheet(PDF) 5 Page - Pericom Semiconductor Corporation |
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PI4IOE5V9570 Datasheet(HTML) 5 Page - Pericom Semiconductor Corporation |
5 / 11 page |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| |||| ||||||||||||||||| 2015-07-0044 PT0559 08/05/15 5 PI4IOE5V9570 4-bit general purpose outputs for 1MHz I 2C bus Dymaic Characteristics Table 3: Dynamic characteristics Symbol Parameter Test Conditions Standard mode I 2C Fast mode I 2C 1 MHz I2C-bus Unit Min Max Min Max Min Max fSCL SCL clock frequency 0 100 0 400 0 1000 kHz tBUF bus free time between a STOP and START condition 4.7 - 1.3 - 0.5 μs tHD;STA hold time (repeated) START condition 4.0 - 0.6 - 0.26 μs tSU;STA set-up time for a repeated START condition 4.7 - 0.6 - 0.26 μs tSU;STO set-up time for STOP condition 4.0 - 0.6 - 0.26 μs tVD;ACK [1] data valid acknowledge time - 3.45 - 0.9 0.45 μs tHD;DAT data hold time 0 0 ns tVD;DAT [2] data valid time 3.45 - 0.9 0.45 us tSU;DAT data set-up time 250 - 100 - 50 ns tLOW LOW period of the SCL clock 4.7 - 1.3 - 0.5 μs tHIGH HIGH period of the SCL clock 4.0 - 0.6 - 0.26 μs tf fall time of both SDA and SCL signals - 300 - 300 - 120 ns tr rise time of both SDA and SCL signals - 1000 - 300 - 120 ns tSP [3] pulse width of spikes that must be suppressed by the input filter - 50 - 50 - 50 ns Port timing tv(Q) Data output valid time 200 200 200 ns Note: [1] tVD;ACK = time for Acknowledgement signal from SCL LOW to SDA (out) LOW. [2] tVD;DAT = minimum time for SDA data out to be valid following SCL LOW. [3] Input filters on the SDA and SCL inputs suppress noise spikes less than 50 ns. |
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