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ATtiny45 数据表(PDF) 150 Page - ATMEL Corporation |
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ATtiny45 数据表(HTML) 150 Page - ATMEL Corporation |
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150 / 196 page  150 7598H–AVR–07/09 ATtiny25/45/85 22. Electrical Characteristics 22.1 Absolute Maximum Ratings* Operating Temperature.................................. -40°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 V CC+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 22-1. DC Characteristics T A = -40°C to 125°C, VCC = 2.7V to 5.5V (unless otherwise noted) (1) . Symbol Parameter Condition Min.(2) Typ. Max.(3) Units VIL Input Low Voltage Except RESET and XTAL pins -0.5 0.3V CC V VIL1 Input Low Voltage XTAL pin -0.5 0.1V CC V VIL2 Input Low Voltage RESET pin -0.5 0.1VCC V VIH Input High-voltage Except RESET and XTAL pins 0.6VCC (3) VCC +0.5 V VIH1 Input High-voltage XTAL pin 0.9VCC (3) VCC +0.5 V VIH2 Input High-voltage RESET pin 0.9V CC (3) V CC +0.5 V VOL Output Low Voltage(4) (Port B) except PB5 IOL = 8 mA, VCC = 5V IOL = 5 mA, VCC = 3V 0.6 0.5 V V VOH Output High-voltage(5) (Port B) except PB5 IOH = -8 mA, VCC = 5V IOH = -5 mA, VCC = 3V 4.1 2.3 V V VOL1 Output Low Voltage(4) PB5 IOL = 1 mA 0.6 V VOH1 Output High-voltage(5) PB5 IOH = -200µA, VCC = 5V 3.2 V IIL Input Leakage Current I/O Pin except RESET Vcc = 5.5V, pin low (absolute value) 50 nA IIH Input Leakage Current I/O Pin except RESET Vcc = 5.5V, pin high (absolute value) 50 nA RRST Reset Pull-up Resistor 30 60 k Ω Rpu I/O Pin Pull-up Resistor 20 50 k Ω |
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