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HT640 数据表(PDF) 4 Page - Holtek Semiconductor Inc |
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HT640 数据表(HTML) 4 Page - Holtek Semiconductor Inc |
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4 / 12 page ![]() Approximate internal connection circuits Absolute Maximum Ratings Supply Voltage...............................-0.3V to 13V Input Voltage ...................VSS-0.3 to VDD+0.3V Storage Temperature.................-50°Cto125°C Operating Temperature ..............-20°Cto75°C Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi- mum Ratings² may cause substantial damage to the device. Functional operation of this de- vice at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Electrical Characteristics Ta=25°C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage ¾¾ 2.4 ¾ 12 V ISTB Standby Current 3V Oscillator stops ¾ 0.1 1 mA 12V ¾ 24 mA IDD Operating Current 5V No load fOSC=100kHz ¾ 250 500 mA 12V ¾ 1200 2400 mA ILED LED Sink Current 5V VLED=0.5V 1.5 3 ¾ mA IDOUT Output Drive Current 5V VOH=0.9VDD (Source) -0.6 -1.2 ¾ mA 5V VOL=0.1VDD (Sink) 0.6 1.2 ¾ mA 318 Series of Encoders 4 July 8, 1999 T R AN SM I S SI O N GA T E CM O S I N Pu l l - l o w CM O S O UT OS C I L L A T OR OS C 1 OS C 2 EN NM O S O UT |
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