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74HC240 数据表(PDF) 4 Page - Silicon Supplies |
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74HC240 数据表(HTML) 4 Page - Silicon Supplies |
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4 / 6 page ![]() Page 4 of 6 www.siliconsupplies.com DC Electrical Characteristics (Voltages Referenced to GND) High Speed CMOS Logic – 74HC240 Rev 1.1 30/11/21 4. TJ ≤ +85˚C −40˚C ≤ LIMITS PARAMETER SYMBOL VCC CONDITIONS 25°C 85°C FULL RANGE 4 UNITS 2.0V 1.5 1.5 1.5 4.5V 3.15 3.15 3.15 Minimum High-Level Input Voltage VIH 6.0V VOUT = VCC -0.1V │IOUT│≤ 20µA 4.2 4.2 4.2 V 2.0V 0.5 0.5 0.5 4.5V 1.35 1.35 1.35 Maximum Low-Level Input Voltage VIL 6.0V VOUT = 0.1V │IOUT│≤ 20µA 1.8 1.8 1.8 V 2.0V 1.9 1.9 1.9 4.5V 4.4 4.4 4.4 6.0V VIN = VIH │IOUT│≤ 20µA 5.9 5.9 5.9 4.5V VIN = VIH │IOUT│≤ 6.0mA 3.98 3.84 3.84 Minimum High-Level Output Voltage VOH 6.0V VIN = VIH │IOUT│≤ 7.8mA 5.48 5.34 5.34 V 2.0V 0.1 0.1 0.1 4.5V 0.1 0.1 0.1 6.0V VIN = VIL │IOUT│≤ 20µA 0.1 0.1 0.1 4.5V VIN = VIL │IOUT│≤ 6.0mA 0.26 0.33 0.33 Maximum Low-Level Output Voltage VOL 6.0V VIN = VIL │IOUT│≤ 7.8mA 0.26 0.33 0.33 V Maximum Input Leakage Current IIN 6.0V VIN = VCC or GND ±0.1 ±1.0 ±1.0 µA Maximum 3-State Leakage Current IOZ 6.0V High-Impedance State, VIN = VIL or VIH, VOUT = VCC or GND ±0.5 ±5.0 ±5.0 µA Maximum Quiescent Supply Leakage Current ICC 6.0V VIN = VCC or GND IOUT = 0µA 4 40 40 µA |
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