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TCA9802 Datasheet(PDF) 6 Page - Texas Instruments |
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TCA9802 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 36 page 6 TCA9801 SCPS265 – MARCH 2017 www.ti.com Product Folder Links: TCA9801 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 23 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 400 kHz tr (1) Rise time Port A 57 70 ns Port B; VCCB = 1.65 V 33 55 Port B; VCCB = 2.5 V 50 80 Port B; VCCB = 3.6 V 72 120 tf (1) Fall time Port A 9 30 ns Port B 35 75 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 25 90 ns Port B to Port A 105 260 7.7 Switching Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER MIN TYP MAX UNIT tstartup Startup time 70 350 µs ten Enable time 280 1000 ns tdis Disable time 740 1800 ns |
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