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ST10 Scheda tecnica(PDF) 33 Page - STMicroelectronics |
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ST10 Scheda tecnica(HTML) 33 Page - STMicroelectronics |
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33 / 58 page ![]() ST10F163 33/58 XVI.4 - AC characteristics XVI.4.1 - Test waveforms Figure 8 : Supply/idle current as a function of operating frequency fCPU [MHz] 5 10 15 20 100 50 10 IIDmax ICCmax 25 Figure 9 : Input/output waveforms Figure 10 : Float waveforms 2.4V 0.45V Test Points 0.2VDD+0.9 0.2VDD+0.9 0.2VDD-0.1 0.2VDD-0.1 AC inputs during testing are driven at 2.4 V for a logic ‘1’ and 0.4 V for a logic ‘0’. Timing measurements are made at VIH min for a logic ‘1’ and VIL max for a logic ‘0’. For timing purposes a port pin is no longer floating when a 100 mV change from load voltage occurs, but begins to float when a 100 mV change from the loaded VOH/VOL level occurs (IOH/IOL = 20 mA). Timing Reference Points VLoad +0.1V VLoad -0.1V VOH -0.1V VOL +0.1V VLoad VOL VOH |
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