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TMP468 Datasheet(PDF) 6 Page - Texas Instruments |
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TMP468 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 43 page  VIH VIL SCL P S VIH VIL SDA tBUF tHD;STA tLOW tR tHD;DAT tHIGH tF tSU;DAT tSU;STA tSU;STO P S tVD;DAT 6 TMP468 SBOS762 – NOVEMBER 2016 www.ti.com Product Folder Links: TMP468 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) The maximum tHDDAT could be 0.9 µs for Fast-Mode, and is less than the maximum tVDDAT by a transition time. (2) tVDDATA = time for data signal from SCL LOW to SDA output (HIGH to LOW, depending on which is worse). 7.6 Two-Wire Timing Requirements At TA = –40°C to 125°C and V+ = 1.7 V to 3.6 V, unless otherwise noted. With master and slave at same V+. Values are based on statistical analysis of samples tested during initial release. FAST-MODE HIGH-SPEED MODE UNIT MIN MAX MIN MAX fSCL SCL operating frequency 0.001 0.4 0.001 2.56 MHz tBUF Bus free time between stop and start condition 1300 160 ns tHD;STA Hold time after repeated start condition. After this period, the first clock is generated. 600 160 ns tSU;STA Repeated start condition setup time 600 160 ns tSU;STO Stop condition setup time 600 160 ns tHD;DAT Data hold time when SDA 0 —(1) 0 130 ns tVD;DAT Data valid time(2) 0 900 — — ns tSU;DAT Data setup time 100 20 ns tLOW SCL clock low period 1300 250 ns tHIGH SCL clock high period 600 60 ns tF – SDA Data fall time 20 × (V+/5.5) 300 100 ns tF, tR – SCL Clock fall and rise time 300 40 ns tR Rise time for SCL ≤ 100 kHz 1000 ns Serial bus timeout 15 20 15 20 ms Figure 1. Two-Wire Timing Diagram |
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