TCA9554A_16 Datasheet, PDF (12/39 Pages) Texas Instruments – Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output and Configuration Registers

TCA9554A
SCPS196D – DECEMBER 2010 – REVISED AUGUST 2015
Parameter Measurement Information (continued)
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A. C_L includes probe and jig capacitance.
B. t_pv is measured from 0.7 × V_CC on SCL to 50% I/O (Pn) output.
C. All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z_O = 50 Ω, t_r/t_f ≤ 30 ns.
D. The outputs are measured one at a time, with one transition per measurement.
E. All parameters and waveforms are not applicable to all devices.
Figure 12. P-Port Load Circuit And Voltage Waveforms
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