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OPT3001DNPR Datasheet(PDF) 6 Page - Texas Instruments |
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OPT3001DNPR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 43 page tFC SCL SDA tLOW Stop 70% 30% 70% 30% tRC tSUSTA tHDSTA tSUSTO tHIGH tFD tRD tBUF 1/fSCL tSUDAT tHDDAT Start Start Stop OPT3001 SBOS681B – JULY 2014 – REVISED DECEMBER 2014 www.ti.com 6.6 Timing Requirements (1) MIN TYP MAX UNIT I2C FAST MODE fSCL SCL operating frequency 0.01 0.4 MHz tBUF Bus free time between stop and start 1300 ns tHDSTA Hold time after repeated start 600 ns tSUSTA Setup time for repeated start 600 ns tSUSTO Setup time for stop 600 ns tHDDAT Data hold time 20 900 ns tSUDAT Data setup time 100 ns tLOW SCL clock low period 1300 ns tHIGH SCL clock high period 600 ns tRC and tFC Clock rise and fall time 300 ns tRD and tFD Data rise and fall time 300 ns Bus timeout period. If the SCL line is held low for this duration of time, the bus tTIMEO 28 ms state machine is reset. I2C HIGH-SPEED MODE fSCL SCL operating frequency 0.01 2.6 MHz tBUF Bus free time between stop and start 160 ns tHDSTA Hold time after repeated start 160 ns tSUSTA Setup time for repeated start 160 ns tSUSTO Setup time for stop 160 ns tHDDAT Data hold time 20 140 ns tSUDAT Data setup time 20 ns tLOW SCL clock low period 240 ns tHIGH SCL clock high period 60 ns tRC and tFC Clock rise and fall time 40 ns tRD and tFD Data rise and fall time 80 ns Bus timeout period. If the SCL line is held low for this duration of time, the bus tTIMEO 28 ms state machine is reset. (1) All timing parameters are referenced to low and high voltage thresholds of 30% and 70%, respectively, of final settled value. Figure 1. I2C Detailed Timing Diagram 6 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: OPT3001 |
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