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PCA9555RGER Datasheet(PDF) 6 Page - Texas Instruments |
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PCA9555RGER Datasheet(HTML) 6 Page - Texas Instruments |
6 / 42 page PCA9555 SCPS131F – AUGUST 2005 – REVISED JUNE 2014 www.ti.com 6.4 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 2.3 V to 5.5 V –1.2 V VPOR Power-on reset voltage VI = VCC or GND, IO = 0 VPOR 1.5 1.65 V 2.3 V 1.8 IOH = –8 mA 3 V 2.6 4.75 V 4.1 VOH P-port high-level output voltage(2) V 2.3 V 1.7 IOH = –10 mA 3 V 2.5 4.75 V 4 SDA VOL = 0.4 V 3 VOL = 0.5 V 8 20 IOL P port(3) 2.3 V to 5.5 V mA VOL = 0.7 V 10 24 INT VOL = 0.4 V 3 SCL, SDA ±1 II VI = VCC or GND 2.3 V to 5.5 V μA A2–A0 ±1 IIH P port VI = VCC 2.3 V to 5.5 V 1 μA IIL P port VI = GND 2.3 V to 5.5 V –100 μA 5.5 V 100 200 VI = VCC or GND, IO = 0, Operating mode 3.6 V 30 75 μA I/O = inputs, fSCL = 400 kHz, No load 2.7 V 20 50 5.5 V 1.1 1.5 VI = GND, IO = 0, I/O = inputs, ICC Low inputs 3.6 V 0.7 1.3 mA fSCL = 0 kHz, No load 2.7 V 0.5 1 Standby mode 5.5 V 0.5 1 VI = VCC, IO = 0, I/O = inputs, High inputs 3.6 V 0.4 0.9 μA fSCL = 0 kHz, No load 2.7 V 0.25 0.8 Additional current in standby One input at VCC – 0.6 V, ΔICC 2.3 V to 5.5 V 1.5 mA mode Other inputs at VCC or GND CI SCL VI = VCC or GND 2.3 V to 5.5 V 3 7 pF SDA 3 7 Cio VIO = VCC or GND 2.3 V to 5.5 V pF P port 3.7 9.5 (1) All typical values are at nominal supply voltage (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 Submit Documentation Feedback Copyright © 2005–2014, Texas Instruments Incorporated Product Folder Links: PCA9555 |
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