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ATmega644PA Datasheet(PDF) 328 Page - ATMEL Corporation |
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ATmega644PA Datasheet(HTML) 328 Page - ATMEL Corporation |
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328 / 468 page  328 8152G–AVR–11/09 ATmega164PA/324PA/644PA/1284P 27. Electrical Characteristics Absolute Maximum Ratings* 27.1 DC Characteristics Operating Temperature.................................. -55 °C to +125°C *NOTICE: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent dam- age to the device. This is a stress rating only and functional operation of the device at these or other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Storage Temperature ..................................... -65°C to +150°C Voltage on any Pin except RESET with respect to Ground ................................-0.5V to VCC+0.5V Voltage on RESET with respect to Ground......-0.5V to +13.0V Maximum Operating Voltage ............................................ 6.0V DC Current per I/O Pin ............................................... 40.0 mA DC Current V CC and GND Pins ................................ 200.0 mA Table 27-1. T A = -40°C to 85°C, VCC = 1.8V to 5.5V (unless otherwise noted) Symbol Parameter Condition Min.(5) Typ. Max.(5) Units VIL Input Low Voltage,Except XTAL1 and Reset pin VCC = 1.8V - 2.4V V CC = 2.4V - 5.5V -0.5 -0.5 0.2VCC (1) 0.3V CC (1) V VIL1 Input Low Voltage, XTAL1 pin V CC = 1.8V - 5.5V -0.5 0.1V CC (1) V VIL2 Input Low Voltage, RESET pin V CC = 1.8V - 5.5V -0.5 0.1V CC (1) V VIH Input High Voltage, Except XTAL1 and RESET pins VCC = 1.8V - 2.4V V CC = 2.4V - 5.5V 0.7VCC (2) 0.6V CC (2) VCC + 0.5 V CC + 0.5 V VIH1 Input High Voltage, XTAL1 pin V CC = 1.8V - 2.4V V CC = 2.4V - 5.5V 0.8V CC (2) 0.7V CC (2) V CC + 0.5 V CC + 0.5 V VIH2 Input High Voltage, RESET pin V CC = 1.8V - 5.5V 0.9V CC (2) V CC + 0.5 V VOL Output Low Voltage(3), IOL = 20 mA, VCC = 5V IOL = 10 mA, VCC = 3V 0.9 0.6 V VOH Output High Voltage(4), IOH = -20 mA, VCC = 5V IOH = -10 mA, VCC = 3V 4.2 2.3 V IIL Input Leakage Current I/O Pin VCC = 5.5V, pin low (absolute value) 1µA IIH Input Leakage Current I/O Pin V CC = 5.5V, pin high (absolute value) 1µA R RST Reset Pull-up Resistor 30 60 k Ω RPU I/O Pin Pull-up Resistor 20 50 k Ω |
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