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AT89C51ID2-RDTIM 数据表(PDF) 140 Page - ATMEL Corporation |
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AT89C51ID2-RDTIM 数据表(HTML) 140 Page - ATMEL Corporation |
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140 / 159 page  140 AT89C51ID2 4289A–8051–09/03 Electrical Characteristics Absolute Maximum Ratings DC Parameters I = industrial ........................................................-40 °C to 85°C Storage Temperature .................................... -65 °C to + 150°C Voltage on VCC to VSS (standard voltage) .........-0.5V to + 6.5V Voltage on V CC to VSS (low voltage)..................-0.5V to + 4.5V Voltage on Any Pin to V SS..........................-0.5V to VCC + 0.5V Power Dissipation ........................................................... 1 W (2) Note: Stresses at or above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other condi- tions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions may affect device reliability. Power dissipation is based on the maximum allow- able die temperature and the thermal resistance of the package. T A = -40°C to +85°C; VSS = 0V; VCC =2.7V to 5.5V; F = 0 to 60 MHz Symbol Parameter Min Typ Max Unit Test Conditions VIL Input Low Voltage -0.5 0.2 VCC - 0.1 V VIH Input High Voltage except RST, XTAL1 0.2 VCC + 0.9 VCC + 0.5 V VIH1 Input High Voltage RST, XTAL1 0.7 VCC VCC + 0.5 V VOL Output Low Voltage, ports 1, 2, 3, 4 (6) 0.3 0.45 1.0 V V V VCC = 4.5V to 5.5V IOL = 100 µA (4) IOL = 1.6 mA (4) IOL = 3.5 mA (4) 0.45 V VCC = 2.7V to 5.5V IOL = 0.8 mA (4) VOL1 Output Low Voltage, port 0, ALE, PSEN (6) 0.3 0.45 1.0 V V V VCC = 4.5V to 5.5V IOL = 200 µA (4) IOL = 3.2 mA (4) IOL = 7.0 mA (4) 0.45 V VCC = 2.7V to 5.5V IOL = 1.6 mA (4) VOH Output High Voltage, ports 1, 2, 3, 4 VCC - 0.3 VCC - 0.7 VCC - 1.5 V V V VCC = 5V ± 10% IOH = -10 µA IOH = -30 µA IOH = -60 µA 0.9 VCC V VCC = 2.7V to 5.5V IOH = -10 µA VOH1 Output High Voltage, port 0, ALE, PSEN VCC - 0.3 VCC - 0.7 VCC - 1.5 V V V VCC = 5V ± 10% IOH = -200 µA IOH = -3.2 mA IOH = -7.0 mA 0.9 VCC V VCC = 2.7V to 5.5V IOH = -10 µA |
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