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AT80C51RA2-RLSIV 数据表(PDF) 59 Page - International Rectifier |
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AT80C51RA2-RLSIV 数据表(HTML) 59 Page - International Rectifier |
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59 / 85 page ![]() 59 4188E–8051–08/06 AT/TS8xC51Rx2 VOH Output High Voltage, ports 1, 2, 3, 4, 5 VCC - 0.3 VCC - 0.7 VCC - 1.5 V V V IOH = -10 μA IOH = -30 μA IOH = -60 μA VCC = 5 V ± 10% VOH1 Output High Voltage, port 0 VCC - 0.3 VCC - 0.7 VCC - 1.5 V V V IOH = -200 μA IOH = -3.2 mA IOH = -7.0 mA VCC = 5 V ± 10% VOH2 Output High Voltage,ALE, PSEN VCC - 0.3 VCC - 0.7 VCC - 1.5 V V V IOH = -100 μA IOH = -1.6 mA IOH = -3.5 mA VCC = 5 V ± 10% RRST RST Pulldown Resistor 50 90 (5) 200 k Ω IIL Logical 0 Input Current ports 1, 2, 3, 4, 5 -50 μA Vin = 0.45 V ILI Input Leakage Current ±10 μA 0.45 V < Vin < VCC ITL Logical 1 to 0 Transition Current, ports 1, 2, 3, 4, 5 -650 μA Vin = 2.0 V C IO Capacitance of I/O Buffer 10 pF Fc = 1 MHz TA = 25 °C I PD Power-down Current 20(5) 50 μA2.0 V < V CC < 5.5 V (3) ICC under RESET Power Supply Current Maximum values, X1 mode: (7) 1 + 0.4 Freq (MHz) @12MHz 5.8 @16MHz 7.4 mA VCC = 5.5 V (1) I CC operating Power Supply Current Maximum values, X1 mode: (7) 3 + 0.6 Freq (MHz) @12MHz 10.2 @16MHz 12.6 mA V CC = 5.5 V (8) ICC idle Power Supply Current Maximum values, X1 mode: (7) 0.25+0.3 Freq (MHz) @12MHz 3.9 @16MHz 5.1 mA VCC = 5.5 V (2) Table 11-1. DC Parameters in Standard Voltage Symbol Parameter Min Typ Max Unit Test Conditions |
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