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TCA8418E Fiches technique(PDF) 5 Page - Texas Instruments |
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TCA8418E Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 35 page TCA8418E www.ti.com SCPS222B – MAY 2010 – REVISED SEPTEMBER 2010 ELECTRICAL CHARACTERISTICS over recommended operating free-air temperature range, VCC = 1.65 V to 3.6 V (unless otherwise noted) PARAMETER TEST CONDITIONS VCCP MIN TYP MAX UNIT VIK Input diode clamp voltage II = –18 mA 1.65 V to 3.6 V –1.2 V VPOR Power-on reset voltage VI = VCCP or GND, IO = 0 1.65 V to 3.6 V 1 1.4 V IOH = –1 mA 1.65 V 1.25 1.65 V 1.2 IOH = –8 mA 2.3 V 1.8 ROW0–7, COL0–9 high-level VOH 3 V 2.6 V output voltage 1.65 V 1.1 IOH = –10 mA 2.3 V 1.7 3 V 2.5 IOL = 1 mA 1.65 V 0.4 1.65 V 0.45 IOL = 8 mA 2.3 V 0.25 ROW0–7, COL0–9 low-level VOL 3 V 0.25 V output voltage 1.65 V 0.6 IOL = 10 mA 2.3 V 0.3 3 V 0.25 SDA VOL = 0.4 V 1.65 V to 3.6 V 3 IOL mA INT and CAD_INT VOL = 0.4 V 1.65 V to 3.6 V 3 SCL, SDA, ROW0–7, COL0–9, II VI = VCCI or GND 1.65 V to 3.6 V 1 mA RESET rINT ROW0–7, COL0–9 55 k Ω Oscillator 13 OFF fSCL = 0 kHz 1.65 V to 3.6 V Oscillator 18 ON 1.65 V 15 fSCL = 400 kHz 3.6 V 30 VI on SDA, 1 key press 1.65 V 15 ROW0–7, fSCL = 1 MHz COL0–9 = VCC or 3.6 V 40 ICC mA GND, fSCL = 400 kHz GPI low 115 IO = 0, I/O = (pullup inputs, fSCL = 1 MHz 125 enable)(1) fSCL = 400 kHz GPI low 25 1.65 V to 3.6 V (pullup fSCL = 1 MHz 35 disable) fSCL = 400 kHz 115 1 GPO active fSCL = 1 MHz 125 CI SCL VI = VCCI or GND 1.65 V to 3.6 V 6 8 pF SDA 10 12.5 Cio VIO = VCC or GND 1.65 V to 3.6 V pF ROW0–7, COL0–9 5 6 (1) Assumes that one GPIO is enabled. Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TCA8418E |
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