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AM79C90PC 数据表(PDF) 37 Page - Advanced Micro Devices |
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AM79C90PC 数据表(HTML) 37 Page - Advanced Micro Devices |
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37 / 62 page ![]() P R E L I M I N A R Y AMD 37 Am79C90 ABSOLUTE MAXIMUM RATINGS Storage Temperature –65 °C to +150°C . . . . . . . . . . . Ambient Temperature with Power Applied –25 °C to +125°C . . . . . . . . . . . . . . . . . Supply Voltages to Ground Potential Continuous –0.3 V to +6 V . . . . . . . . . . . . . . . . . . . . . Stresses above those listed under Absolute Maximum Rat- ings may cause permanent device failure. Functionality at or above these limits is not implied. Exposure to Absolute Maxi- mum Ratings for extended periods may affect device reliabil- ity. Programming conditions may differ. OPERATING RANGES Commercial (C) Devices Temperature (TA) 0 °C to +70°C . . . . . . . . . . . . . . . . . Supply Voltage (VDD) +4.75 V to +5.25 V . . . . . . . . . . VSS 0 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating ranges define those limits between which the func- tionality of the device is guaranteed. DC CHARACTERISTICS over operating ranges unless otherwise specified Parameter Symbol Parameter Description Test Conditions Min Typ Max Unit VIL Input LOW Voltage 0.8 V VIH Input HIGH Voltage 2 V VOL Output LOW Voltage IOL = 3.2 mA 0.5 V VOH Output HIGH Voltage IOH = –0.4 mA 2.4 V IIL Input Leakage VIN = 0.4 V to VCC ±10 µA IDD* Power Supply Current 50 mA Commercial *IDD is measured while running a functional pattern with spec. value IOH and IOL load applied. CAPACITANCE** (TA = 25 °C; VDD = 0) Parameter Symbol Parameter Description Test Conditions Min Typ Max Unit CIN Input Pin Capacitance f = 1 MHz 10 pF COUT Output Pin Capacitance f = 1 MHz 15 pF CIO I/O Pin Capacitance f = 1 MHz 20 pF **Parameters are not tested. |
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