ATMega chip full datasheet - UCSD Department of Physics

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ATmega48A/PA/88A/PA/168A/PA/328/PFigure 30-352.ATmega328P: I/O Pin Output Voltage vs. Source Current (Vcc = 3 V)3.53VOH (V)2.521.5-40 °C25 °C85 °C10.500 5 10 15 20 25I OH (mA)Figure 30-353.ATmega328P: I/O Pin Output Voltage vs. Source Current (V CC = 5 V)5.154.94.8VOH (V)4.74.64.54.4-40 °C25 °C85 °C4.30 5 10 15 20 25I OH (mA)5208271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P30.8.9 Pin Threshold and HysteresisFigure 30-354.ATmega328P: I/O Pin Input , Threshold Voltage vs. V CC (V IH , I/O Pin read as ‘1’)4Threshold (V)3.532.521.5-40 °C25 °C85 °C10.501.5 2 2.5 3 3.5 4 4.5 5 5.5V CC (V)Figure 30-355.ATmega328P: I/O Pin Input Threshold Voltage vs. V CC (V IL , I/O Pin read as ‘0’)2.5285 °C25 °C-40 °CThreshold (V)1.510.501.5 2 2.5 3 3.5 4 4.5 5 5.5V CC (V)8271D–AVR–05/11521
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Page 567: Atmel Corporation2325 Orchard Parkw
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ATMega chip full datasheet - UCSD Department of Physics

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