Datenblatt-Suchmaschine für elektronische Bauteile |
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DM74LS373WM Datenblatt(PDF) 5 Page - Fairchild Semiconductor |
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DM74LS373WM Datenblatt(HTML) 5 Page - Fairchild Semiconductor |
5 / 8 page 5 www.fairchildsemi.com DM74LS374 Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Note 9: All typicals are at VCC = 5V, TA = 25°C. Note 10: Not more than one output should be shorted at a time, and the duration should not exceed one second. DM74LS374 Switching Characteristics at VCC = 5V and TA = 25°C Note 11: CL = 5 pF. Symbol Parameter Conditions Min Typ Max Units (Note 9) VI Input Clamp Voltage VCC = Min, II = −18 mA −1.5 V VOH HIGH Level VCC = Min, IOH = Max 2.4 3.1 V Output Voltage VIL = Max, VIH = Min VOL LOW Level VCC = Min, IOL = Max 0.35 0.5 V Output Voltage VIL = Max, VIH = Min IOL = 12 mA, VCC = Min 0.25 0.4 II Input Current @ Max Input Voltage VCC = Max, VI = 7V 0.1 mA IIH HIGH Level Input Current VCC = Max, VI = 2.7V 20 µA IIL LOW Level Input Current VCC = Max, VI = 0.4V −0.4 mA IOZH Off-State Output Current with VCC = Max, VO = 2.7V 20 µA HIGH Level Output Voltage Applied VIH = Min, VIL = Max IOZL Off-State Output Current with VCC = Max, VO = 0.4V −20 µA LOW Level Output Voltage Applied VIH = Min, VIL = Max IOS Short Circuit Output Current VCC = Max (Note 10) −50 −225 mA ICC Supply Current VCC = Max, Dn = GND, OC = 4.5V 27 45 mA RL = 667Ω Symbol Parameter CL = 45 pF CL = 150 pF Units MinMax MinMax fMAX Maximum Clock Frequency 35 20 MHz tPLH Propagation Delay Time 28 32 ns LOW-to-HIGH Level Output tPHL Propagation Delay Time 28 38 ns HIGH-to-LOW Level Output tPZH Output Enable Time 28 44 ns to HIGH Level Output tPZL Output Enable Time 28 44 ns to LOW Level Output tPHZ Output Disable Time 20 ns from HIGH Level Output (Note 11) tPLZ Output Disable Time 25 ns from LOW Level Output (Note 11) |
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