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Z84C9012VSC датащи(PDF) 19 Page - Zilog, Inc. |
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Z84C9012VSC датащи(HTML) 19 Page - Zilog, Inc. |
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19 / 31 page ![]() Z84C90 KIO Serial/Parallel Counter Timer PS011802-0902 14 DC Characteristics Vcc = 5.0V +/– 10% unless otherwise specified. Table 3. DC Characteristics of the Z84C90 Symbol Item Min Max Unit Condition VILC Clock Input Low Voltage –0.3 +0.45 V VIHC Clock Input High Voltage VCC–0.6 Vcc+0.3 VIL Input Low Voltage –0.3 +0.8 V VIH Input High Voltage 2.2 Vcc V VOL Output Low Voltage +0.4 V IOL = 2.0mA VOH1 Output High Voltage 1 2.4 V IOH = 1.6mA VOH2 Output High Voltage 2 VCC–0.8 V IOH = 250mA ILI Input Leakage Current ±10.0 mA Vin = 0.4~Vcc IOL 3-State Leakage Current ±10.0 mA Vin = 0.4~Vcc IL(SY) SYNC Pin Leakage Current +10 –40 mA Vin = 0.4~Vcc IOHD Darlington Drive Current (Port B and ZC/T00~3) –1.5 mA VOH = 1.5V REXT = 390 Ohms ICC Power Supply Current* 8 MHz 10MHz 12.5MHz 15 15 15 mA mA VCC = 5 V VIH = Vcc–.2V VIL =.2V *Measurement made with output floating over specified temperature and voltage ranges. Table 4. Capacitance Symbol Parameter Minimum Maximum Unit CCLOCK CIN COUT Clock Capacitance Input Capacitance Output Capacitance 10 10 15 cF cF cF TA = 25°C, f = 1MHz |
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