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74ACT1284 데이터시트(PDF) 4 Page - STMicroelectronics |
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74ACT1284 데이터시트(HTML) 4 Page - STMicroelectronics |
4 / 11 page 74ACT1284 4/11 DC ELECTRICAL CHARACTERISTICS AC ELECTRICAL CHARACTERISTICS (f = 1MHz, tr =tf = 2.5ns) Symbol Parameter Test Condition Value Unit VCC (V) TA = 25°C -40 to 85°C Min. Typ. Max. Min. Max. VIH High Level Input Voltage 4.5 to 5.5 2.0 2.0 V VIL Low Level Input Voltage 4.5 to 5.5 0.8 0.8 V VOHB High Level Output Voltage B Port 4.5 IOH = -14mA 3.86 3.76 V VOHA High Level Output Voltage A Port 4.5 IO = -50µA 4.4 4.4 V IO = -4mA 3.86 3.76 VOLB Low Level Output Voltage B Port 4.5 IOH = 14mA 0.4 0.4 V VOLA Low Level Output Voltage A Port 4.5 IO =50µA 0.1 0.1 V IO =4mA 0.36 0.44 II Input Current 5.5 VI =VCC or GND (DIR,A5,A6,A7,HD) ± 0.1 ± 1 µA ICCT Max ICC/Input 5.5 VI =VCC - 2.1V 0.6 1.5 mA ICC Quiescent Supply Current 5.5 VI =VCC or GND 880 µA IOZ Output Leakage Current 5.5 VO =VCC or GND ± 0.5 ± 5 µA IOFF B Side Power Down Leakage Current 0 VO = 5.25V 440 µA VHYS Input HysteresIs 5.0 VT + =V T 0.4 0.35 V ZO Output Impedance B Port 5.0 VB =VOH 824 Ω Symbol Parameter Test Condition Value Unit VCC (V) TA =25°C -40 to 85°C Min. Typ. Max. Min. Max. tPLH Propagation Delay Time A1 -A7toB1 - B7 4.5 to 5.5 RL=500Ω,CL=50pF (fig. 1-2) 1 5.6 1 6.5 ns tPHL 1 5.6 1 6.5 tPLH Propagation Delay Time B1 -B4toA1 - A4 4.5 to 5.5 RL=500Ω,CL=50pF (fig. 3) 1 7.5 1 8.5 ns tPHL 1 7.5 1 8.5 tEN Enable Delay Time HD to B1 - B7 4.5 to 5.5 RS=33Ω,RL=62Ω CL=50pF (fig. 2) 1 7.5 1 8.5 ns tDIS Disable Delay Time HD to B1 - B7 1 7.5 1 8.5 ns tr, tf trise,tfall B1 - B7 Open Drain 4.5 to 5.5 RPULL_UP=500Ω CL=50pF (fig. 4) 120 120 ns CI Control Input Capacitance (HD, DIR, A5 - A7) Open 4 pF CI/O I/O Pin Capacitance 5.0 12 pF |
유사한 부품 번호 - 74ACT1284 |
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유사한 설명 - 74ACT1284 |
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