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TCA9539 Datasheet(PDF) 6 Page - Texas Instruments |
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TCA9539 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 42 page 6 TCA9539 SCPS202B – OCTOBER 2009 – REVISED OCTOBER 2015 www.ti.com Product Folder Links: TCA9539 Submit Documentation Feedback Copyright © 2009–2015, Texas Instruments Incorporated (1) All typical values are at nominal supply voltage (1.8-V, 2.5-V, 3.3-V, or 5-V VCC) and TA = 25°C. (2) Each I/O must be externally limited to a maximum of 25 mA, and each octal (P07–P00 and P17–P10) must be limited to a maximum current of 100 mA, for a device total of 200 mA. (3) The total current sourced by all I/Os must be limited to 160 mA (80 mA for P07–P00 and 80 mA for P17–P10). 6.5 Electrical Characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC MIN TYP (1) MAX UNIT VIK Input diode clamp voltage II = –18 mA 1.65 V to 5.5V –1.2 V VPORR Power-on reset voltage, VCC rising VI = VCC or GND, IO = 0 1.65 V to 5.5 V 1.2 1.5 V VPORF Power-on reset voltage, VCC falling 1.65 V to 5.5 V 0.75 1 VOH P-port high-level output voltage (2) IOH = –8 mA 1.65 V 1.2 V 2.3 V 1.8 3 V 2.6 4.75 V 4.1 IOH = –10 mA 1.65 V 1.0 2.3 V 1.7 3 V 2.5 4.75 V 4 IOL SDA VOL = 0.4 V 1.65 V to 5.5 V 3 mA P port (3) VOL = 0.5 V 1.65 V 8 10 2.3 V 8 13 3 V 8 15 4.5 V 8 17 VOL = 0.7 V 1.65 V 10 14 2.3 V 10 17 3 V 10 20 4.5 V 10 24 INT VOL = 0.4 V 3 II SCL, SDA VI = VCC or GND 1.65 V to 5.5 V ±1 μA A0, A1, RESET ±1 IIH P port VI = VCC 1.65 V to 5.5 V 1 μA IIL P port VI = GND 1.65 V to 5.5 V –1 μA ICC Operating mode VI = VCC or GND, IO = 0, I/O = inputs, fSCL = 400 kHz, No load 5.5 V 100 200 μA 3.6 V 30 75 2.7 V 20 50 1.95 V 10 45 Standby mode VI = VCC or GND, IO = 0, I/O = inputs, fSCL = 0 kHz, No load 5.5 V 1.9 3.5 3.6 V 1.1 1.8 2.7 V 1.0 1.6 1.95 V 0.4 1.0 ΔICC Additional current in standby mode One input at VCC – 0.6 V, Other inputs at VCC or GND 1.65 V to 5.5 V 70 μA Ci SCL VI = VCC or GND 1.65 V to 5.5 V 3 8 pF Cio SDA VIO = VCC or GND 1.65 V to 5.5 V 3 7 pF P port 3.7 9.5 |
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