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TNETV2501INPGF Datasheet(PDF) 188 Page - Texas Instruments |
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TNETV2501INPGF Datasheet(HTML) 188 Page - Texas Instruments |
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188 / 197 page ![]() Electrical Specifications 188 December 2002 − Revised November 2008 SPRS206K Table 5−49. I2C Signals (SDA and SCL) Switching Characteristics NO. PARAMETER STANDARD MODE FAST MODE UNIT NO. PARAMETER MIN MAX MIN MAX UNIT IC16 tc(SCL) Cycle time, SCL 10 2.5 µs IC17 td(SCLH-SDAL) Delay time, SCL high to SDA low for a repeated START condition 4.7 0.6 µs IC18 td(SDAL-SCLL) Delay time, SDA low to SCL low for a START and a repeated START condition 4 0.6 µs IC19 tw(SCLL) Pulse duration, SCL low 4.7 1.3 µs IC20 tw(SCLH) Pulse duration, SCL high 4 0.6 µs IC21 td(SDA-SCLH) Delay time, SDA valid to SCL high 250 100 ns IC22 tv(SCLL-SDAV) Valid time, SDA valid after SCL low For I2C bus devices 0 0 µs IC23 tw(SDAH) Pulse duration, SDA high between STOP and START conditions 4.7 1.3 µs IC24 tr(SDA) Rise time, SDA 1000 20 + 0.1Cb† 300 ns IC25 tr(SCL) Rise time, SCL 1000 20 + 0.1Cb† 300 ns IC26 tf(SDA) Fall time, SDA 300 20 + 0.1Cb† 300 ns IC27 tf(SCL) Fall time, SCL 300 20 + 0.1Cb† 300 ns IC28 td(SCLH-SDAH) Delay time, SCL high to SDA high for a STOP condition 4 0.6 µs IC29 Cp Capacitance for each I2C pin 10 10 pF † Cb = total capacitance of one bus line in pF. If mixed with HS-mode devices, faster fall-times are allowed. IC25 IC23 IC19 IC18 IC22 IC27 IC20 IC21 IC17 IC18 IC28 Stop Start Repeated Start Stop SDA SCL IC16 IC26 IC24 Figure 5−47. I2C Transmit Timings |
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