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TCA9800DGKR Datasheet(PDF) 6 Page - Texas Instruments |
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TCA9800DGKR Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 36 page  6 TCA9800 SCPS264 – MARCH 2017 www.ti.com Product Folder Links: TCA9800 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Electrical Characteristics (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT ICCA + ICCB Total quiescent supply current VCCA = VCCB = 1.8 V, SDAA/SCLA = VCCA, SDAB/SCLB = VCCB 18 µA II Input leakage current SDAA, SCLA VI = VCCA, EN = GND ±10 µA VI = GND, EN = GND ±10 SDAB, SCLB VCCB = 0 V, VI = 3.6 V ±10 CIO I/O Capacitance SDAA, SCLA VI = 0 V or 3.3 V, f = 1 MHz 2 10 pF SDAB, SCLB VCCB = GND, VI = 0 V, f = 1 MHz 8 (1) Times are specified with loads of 1.35 k Ω and 50 pF on A-side and 50 pF on B-side. Different load resistance and capacitance alter the rise and fall times, thereby changing the propagation delay. 7.6 Timing Requirements PARAMETER MIN TYP MAX UNIT fSCL(MAX) Max SCL clock frequency 100 kHz tr (1) Rise time Port A 57 70 ns Port B; VCCB = 1.65 V 66 110 Port B; VCCB = 2.5 V 100 170 Port B; VCCB = 3.6 V 144 270 tf (1) Fall time Port A 9 30 ns Port B 35 85 tPHL (1) Propagation delay high-to-low Port A to Port B 75 200 ns Port B to Port A 85 250 tPLH (1) Propagation delay low-to-high Port A to Port B 40 150 ns Port B to Port A 100 350 7.7 Switching Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER MIN TYP MAX UNIT tstartup Startup time 72 340 µs ten Enable time 280 1000 ns tdis Disable time 740 1800 ns |
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