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DM74ALS14 数据表(PDF) 2 Page - Fairchild Semiconductor |
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DM74ALS14 数据表(HTML) 2 Page - Fairchild Semiconductor |
2 / 6 page www.fairchildsemi.com 2 Absolute Maximum Ratings(Note 1) Note 1: The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Recommended Operating Conditions Electrical Characteristics over recommended free air temperature range (unless otherwise noted) Note 2: Plastic DIP package. Note 3: n = number of device outputs, n − 1 outputs switching, each driven 0V to 3V one output @ GND. Note 4: n = number of device outputs, n outputs switching, n − 1 inputs switching 0V to 3V. Input under test switching 3V to threshold (V ILD); 0V to threshold (VIHD); f = 1 MHz. Supply Voltage 7V Input Voltage 7V Storage Temperature Range −65°C to +150°C Operating Free Air Temperature Range 0 °C to +70°C Typical θ JA N Package 78.5 °C/W M Package 109.0 °C/W Symbol Parameter Min Nom Max Units VCC Supply Voltage 4.5 5 5.5 V VT+ Positive-Going Input VCC = Min to Max 1.4 2 V Threshold Voltage VCC = 5V 1.55 1.85 VT− Negative-Going Input VCC = Min to Max 0.75 1.2 V Threshold Voltage VCC = 5V 0.85 1.1 HYS Input Hysteresis VCC = Min to Max 0.5 V VCC = 5V 0.6 IOH HIGH Level Output Current −0.4 mA IOL LOW Level Output Current 8 mA TA Operating Free Air Temperature Range 0 70 °C Symbol Parameter Test Conditions Min Typ Max Units VIK Input Clamp Voltage VCC = Min, II = −18 mA −1.5 V VOH HIGH Level Output Voltage VCC = 4.5V to 5.5V, IOH = Max VCC − 2V VOL LOW Level Output Voltage VCC = Min IOL = 4 mA 0.25 0.4 V IOL = 8 mA 0.35 0.5 V IT+ Input Current at Positive-Going Threshold Voltage VCC = 5V, VI = VT+ 20 µA IT− Input Current at Negative-Going Threshold Voltage VCC = 5V, VI = VT− −100 µA II Input Current at Maximum Input Voltage VCC = Max, VI = 7V 100 µA IIH HIGH Level Input Current VCC = Max, VI = 2.7V 20 µA IIL LOW Level Input Current VCC = Max, VI = 0.4V −100 µA IO Output Drive Current VCC = Max, VO = 2.25V −30 −112 mA ICCH Supply Current with Outputs HIGH VCC = Max 12 mA ICCL Supply Current with Outputs LOW VCC = Max 12 mA VOLP Quiet Output Maximum VCC = 5.0V, TA = 25°C 0.16 V Dynamic VOL (Figures 1, 2); (Note 2)(Note 3) VOLV Quiet Output Minimum VCC = 5.0V, TA = 25°C −0.27 V Dynamic VOL (Figures 1, 2); (Note 2)(Note 3) VIHD Minimum HIGH Level VCC = 5.0V, TA = 25°C 1.44 V Dynamic Input Voltage (Note 2)(Note 4) VILD Maximum LOW Level VCC = 5.0V, TA = 25°C 1.15 V Dynamic Input Voltage (Note 2)(Note 4) |
类似零件编号 - DM74ALS14 |
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类似说明 - DM74ALS14 |
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