전자부품 데이터시트 검색엔진 |
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DM74ALS874BWM 데이터시트(PDF) 4 Page - Fairchild Semiconductor |
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DM74ALS874BWM 데이터시트(HTML) 4 Page - Fairchild Semiconductor |
4 / 6 page www.fairchildsemi.com 4 Electrical Characteristics over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C. Switching Characteristics over recommended operating free air temperature range. Symbol Parameter Conditions Min Typ Max Units VIK Input Clamp Voltage VCC = 4.5V, II = −18 mA −1.2 V VOH HIGH Level VCC = 4.5V IOH = Max 2.4 3.2 V Output Voltage VIL = VIL Max VCC = 4.5V to 5.5V IOH = −400 µAVCC − 2V VOL LOW Level VCC = 4.5V IOL = 12 mA 0.25 0.4 V Output Voltage VIH = 2V IOL = 24 mA 0.35 0.5 V II Input Current @ Maximum VCC = 5.5V, VIH = 7V 0.1 mA Input Voltage IIH HIGH Level Input Current VCC = 5.5V, VIH = 2.7V 20 µA IIL LOW Level Input Current VCC = 5.5V, VIL = 0.4V −0.2 mA IO Output Drive Current VCC = 5.5V, VO = 2.25V −30 −112 mA IOZH OFF-State Output Current VCC = 5.5V, VIH = 2V 20 µA HIGH Level Voltage Applied VO = 2.7V IOZL OFF-State Output Current VCC = 5.5V, VIH = 2V −20 µA LOW Level Voltage Applied VO = 0.4V ICC Supply Current VCC = 5.5V Outputs HIGH 14 21 mA Outputs OPEN Outputs LOW 19 30 mA Outputs Disabled 20 32 mA Symbol Parameter Conditions From To Min Max Units fMAX Maximum Clock Frequency VCC = 4.5V to 5.5V 30 MHz tPLH Propagation Delay Time RL = 500,Ω, Clock Any Q 4 14 ns LOW-to-HIGH Level Output CL = 50 pF tPHL Propagation Delay Time Clock Any Q 4 14 ns HIGH-to-LOW Level Output tPZH Output Enable Time Output Any Q 4 18 ns to HIGH Level Output Control tPZL Output Enable Time Output Any Q 4 18 ns to LOW Level Output Control tPHZ Output Disable Time Output Any Q 2 10 ns from HIGH Level Output Control tPLZ Output Disable Time Output Any Q 3 12 ns from LOW Level Output Control tPHL Propagation Delay Time Clear Any Q 5 17 ns HIGH-to-LOW Level Output |
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