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74ACT74 Datasheet(PDF) 4 Page - STMicroelectronics |
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74ACT74 Datasheet(HTML) 4 Page - STMicroelectronics |
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74ACT74 4/12 DC SPECIFICATIONS 1) Maximum test duration 2ms, one output loaded at time 2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50 Ω AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns) (*) Voltage range is 5.0V ± 0.5V Symbol Parameter Test Condition Value Unit VCC (V) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. VIH High Level Input Voltage 4.5 VO = 0.1 V or VCC-0.1V 2.0 1.5 2.0 2.0 V 5.5 2.0 1.5 2.0 2.0 VIL Low Level Input Voltage 4.5 VO = 0.1 V or VCC-0.1V 1.5 0.8 0.8 0.8 5.5 1.5 0.8 0.8 0.8 V VOH High Level Output Voltage 4.5 IO=-50 µA 4.4 4.49 4.4 4.4 5.5 IO=-50 µA 5.4 5.49 5.4 5.4 4.5 IO=-24 mA 3.86 3.76 3.7 V 5.5 IO=-24 mA 4.86 4.76 4.7 VOL Low Level Output Voltage 4.5 IO=50 µA 0.001 0.1 0.1 0.1 5.5 IO=50 µA 0.001 0.1 0.1 0.1 4.5 IO=24 mA 0.36 0.44 0.5 5.5 IO=24 mA 0.36 0.44 0.5 II Input Leakage Cur- rent 5.5 VI = VCC or GND ± 0.1 ± 1 ± 1 µA ICCT Max ICC/Input 5.5 VI = VCC - 2.1V 0.6 1.5 1.6 mA ICC Quiescent Supply Current 5.5 VI = VCC or GND 440 40 µA IOLD Dynamic Output Current (note 1, 2) 5.5 VOLD = 1.65 V max 75 50 mA IOHD VOHD = 3.85 V min -75 -50 mA Symbol Parameter Test Condition Value Unit VCC (V) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. tPLH tPHL Propagation Delay Time CK to Q or Q 5.0(*) 5.0 10.0 11.0 11.0 ns tPLH tPHL Propagation Delay Time PR or CLR to Q or Q 5.0(*) 5.0 10.0 11.0 11.0 ns tW Pulse Width HIGH or LOW, CK or PR or CLR 5.0(*) 1.5 5.0 6.0 6.0 ns ts Setup Time D to CK HIGH or LOW 5.0(*) 0.5 3.0 3.5 3.5 ns th Hold Time D to CK HIGH or LOW 5.0(*) -0.5 1.0 1.0 1.0 ns tREM Removal Tim| PR or CLR to CK 5.0(*) -0.7 1.0 1.0 1.0 ns fMAX Maximum Clock Frequency 5.0(*) 100 250 85 85 MHz |
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