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TCA9617BDGKR Fiches technique(PDF) 6 Page - Texas Instruments |
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TCA9617BDGKR Fiches technique(HTML) 6 Page - Texas Instruments |
6 / 24 page TA = -40 C TA = 25 C T A = 85 C Port B IOL (mA) Port A IOL (mA) T A = -40 C TA = 25 C TA = 85 C TCA9617B SCPS259A – DECEMBER 2014 – REVISED DECEMBER 2014 www.ti.com 7.6 Timing Requirements VCCA = 0.8 V to 5.5 V, VCCB = 2.2 V to 5.5 V, GND = 0 V, TA = –40°C to 85°C (unless otherwise noted) (1) (2) (3) FROM TO PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (INPUT) (OUTPUT) SDAB, SCLB SDAA, SCLA 42 55 90 tPLH Propagation delay VCCB ≤ 3 V 61 88 137 ns SDAA, SCLA SDAB, SCLB VCCB > 3 V 61 94 250 SDAB, SCLB SDAA, SCLA 69 93 144 tPHL Propagation delay ns SDAA, SCLA SDAB, SCLB 68 90 140 B side 88 Transition tTLH (4) 30% 70% ns time A side 37 B side 5.40 6.41 13.8 Transition tTHL 70% 30% ns time A side 1.40 4.71 11.3 tsu,en Setup time, EN high before Start condition(5) 100 ns (1) Times are specified with loads of 240 Ω ±1% and 400 pF ±10% on B-side and 240 Ω ±1% and 200 pF ±10% on A-side. Different load resistance and capacitance alter the rise time, thereby changing the propagation delay and transition times. (2) Times are specified with A-side signals pulled up to VCCA and B-side signals pulled up to VCCB. (3) Typical values were measured with VCCA = 0.9 V and VCCB = 2.5 V at TA = 25°C, unless otherwise noted. (4) TTLH is determined by the pull-up resistance and load capacitance. (5) EN should change state only when the global bus and the repeater port are in an idle state. 7.7 Typical Characteristics VCCA = 0.9 V VCCB = 2.2 V VCCA = 0.9 V VCCB = 2.2 V Figure 1. Port A VOL vs IOL Figure 2. Port B VOL vs IOL 6 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: TCA9617B |
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