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M74HCT125C1R Datasheet(PDF) 4 Page - STMicroelectronics |
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M74HCT125C1R Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 10 page DC SPECIFICATIONS Symbol Parameter Test Conditions Value Unit VCC (V) TA =25 oC 54HC and 74HC -40 to 85 oC 74HC -55 to 125 oC 54HC Min. Typ. Max. Min. Max. Min. Max. VIH High Level Input Voltage 4.5 to 5.5 2.0 2.0 2.0 V VIL Low Level Input Voltage 4.5 to 5.5 0.8 0.8 0.8 V VOH High Level Output Voltage 4.5 VI = VIH or VIL IO=-20 µA 4.4 4.5 4.4 4.4 V IO=-6.0 mA 4.18 4.31 4.13 4.10 VOL Low Level Output Voltage 4.5 VI = VIH or VIL IO=20 µA 0.0 0.1 0.1 0.1 V IO= 6.0 mA 0.17 0.26 0.33 0.4 II Input Leakage Current 5.5 VI =VCC or GND ±0.1 ±1 ±1 µA ICC Quiescent Supply Current 5.5 VI =VCC or GND 4 40 80 µA IOZ 3 State Output Off State Current 6.0 VI =VIH or VIL VO =VCC or GND ±0.5 ±5 ±10 µA ∆ICC Additional worst case supply current 5.5 Per Input pin VI = 0.5V or VI = 2.4V Other Inputs at VCC or GND IO=0 2.0 2.9 3.0 mA AC ELECTRICAL CHARACTERISTICS (Input tr =tf =6 ns) Symbol Parameter Test Conditions Value Unit VCC (V) CL (pF) TA =25 oC 54HC and 74HC -40 to 85 oC 74HC -55 to 125 oC 54HC Min. Typ. Max. Min. Max. Min. Max. tTLH tTHL Output Transition Time 4.5 50 7 12 15 18 ns tPLH tPHL Propagation Delay Time 4.5 50 13 21 26 32 ns 4.5 150 17 27 34 41 ns tPZL tPZH 3 State Output Enable Time 4.5 50 RL =1 K Ω 15 24 30 36 ns 4.5 150 RL =1 K Ω 19 30 38 45 ns tPLZ tPHZ 3 State Output Disable Time 4.5 50 RL =1 K Ω 17 24 30 36 ns CIN Input Capacitance 5 10 10 10 pF CPD (*) Power Dissipation Capacitance 56 pF (*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN +ICC M54/M74HCT125/126 4/10 |
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