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AM2434...ALV 数据表(PDF) 122 Page - Texas Instruments |
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AM2434...ALV 数据表(HTML) 122 Page - Texas Instruments |
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122 / 280 page  7.7 Electrical Characteristics Note The interfaces or signals described in the following Electrical Characteristics tables correspond to the interfaces or signals available when the associated PADCONFIG register is configured for multiplexing mode 0 (Primary Function). All interfaces or signals multiplexed on the balls described in these tables have the same DC electrical characteristics, unless multiplexing involves a combined PHY and GPIO topology. In this case, different DC electrical characteristics are specified for the different multiplexing modes (Functions). 7.7.1 I2C Open-Drain, and Fail-Safe (I2C OD FS) Electrical Characteristics over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 1.8 V MODE VIL Input Low Voltage 0.3 × VDD (1) V VILSS Input Low Voltage Steady State 0.3 × VDD (1) V VIH Input High Voltage 0.7 × VDD (1) 1.98(2) V VIHSS Input High Voltage Steady State 0.7 × VDD (1) V VHYS Input Hysteresis Voltage 0.1 × VDD (1) mV IIN Input Leakage Current. VI = 1.8 V or VI = 0 V ±10 µA VOL Output Low Voltage 0.2 × VDD (1) V IOL (3) Low Level Output Current VOL(MAX) 20 mA SRI (5) Input Slew Rate 18f(4) or 1.8E+6 V/s 3.3 V MODE (6) VIL Input Low Voltage 0.3 × VDD (1) V VILSS Input Low Voltage Steady State 0.25 × VDD (1) V VIH Input High Voltage 0.7 × VDD (1) 3.63(2) V VIHSS Input High Voltage Steady State 0.7 × VDD (1) V VHYS Input Hysteresis Voltage 0.05 × VDD (1) mV IIN Input Leakage Current. VI = 3.3 V or VI = 0 V ±10 µA VOL Output Low Voltage 0.4 V IOL (3) Low Level Output Current VOL(MAX) 20 mA SRI (5) Input Slew Rate 33f(4) or 3.3E+6 8E+7 V/s (1) VDD stands for corresponding power supply. For more information on the power supply name and the corresponding ball(s), see POWER column of the Pin Attributes table. (2) This value also defines the Absolute Maximum Ratings value the IO. (3) The IOL parameter defines the minimum Low Level Output Current for which the device is able to maintain the specified VOL value. The value defined by this parameter should be considered the maximum current available to a system implementation which needs to maintain the specified VOL value for attached components. (4) f = toggle frequency of the input signal in Hz. (5) This MIN parameter only applies to input signal functions which are not defined in their respective Timing and Switching Characteristics sections. Select the MIN parameter which results in the largest value. (6) I2C Hs-mode is not supported when operating the IO in 3.3 V mode. AM2434, AM2432, AM2431 SPRSP65D – APRIL 2021 – REVISED AUGUST 2022 www.ti.com 122 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: AM2434 AM2432 AM2431 |
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