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74VHC244 Datasheet(PDF) 5 Page - Nexperia B.V. All rights reserved |
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74VHC244 Datasheet(HTML) 5 Page - Nexperia B.V. All rights reserved |
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74VHC_VHCT244_1 Product data sheet Rev. 01 — 17 August 2009 5 of 16 Nexperia 74VHC244; 74VHCT244 Octal buffer/line driver; 3-state 8. Recommended operating conditions 9. Static characteristics Table 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 74VHC244 74VHCT244 Unit Min Typ Max Min Typ Max VCC supply voltage 2.0 5.0 5.5 4.5 5.0 5.5 V VI input voltage 0 - 5.5 0 - 5.5 V VO output voltage 0 - VCC 0- VCC V Tamb ambient temperature −40 +25 +125 −40 +25 +125 °C ∆t/∆V input transition rise and fall rate VCC = 3.3 V ± 0.3 V - - 100 - - - ns/V VCC = 5.0 V ± 0.5 V - - 20 - - 20 ns/V Table 6. Static characteristics Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ Max Min Max Min Max For type 74VHC244 VIH HIGH-level input voltage VCC = 2.0 V 1.5 - - 1.5 - 1.5 - V VCC = 3.0 V 2.1 - - 2.1 - 2.1 - V VCC = 5.5 V 3.85 - - 3.85 - 3.85 - V VIL LOW-level input voltage VCC = 2.0 V - - 0.5 - 0.5 - 0.5 V VCC = 3.0 V - - 0.9 - 0.9 - 0.9 V VCC = 5.5 V - - 1.65 - 1.65 - 1.65 V VOH HIGH-level output voltage VI = VIH or VIL IO = −50 µA; VCC = 2.0 V 1.9 2.0 - 1.9 - 1.9 - V IO = −50 µA; VCC = 3.0 V 2.9 3.0 - 2.9 - 2.9 - V IO = −50 µA; VCC = 4.5 V 4.4 4.5 - 4.4 - 4.4 - V IO = −4.0 mA; VCC = 3.0 V 2.58 - - 2.48 - 2.40 - V IO = −8.0 mA; VCC = 4.5 V 3.94 - - 3.8 - 3.70 - V VOL LOW-level output voltage VI = VIH or VIL IO = 50 µA; VCC = 2.0 V - 0 0.1 - 0.1 - 0.1 V IO = 50 µA; VCC = 3.0 V - 0 0.1 - 0.1 - 0.1 V IO = 50 µA; VCC = 4.5 V - 0 0.1 - 0.1 - 0.1 V IO = 4.0 mA; VCC = 3.0 V - - 0.36 - 0.44 - 0.55 V IO = 8.0 mA; VCC = 4.5 V - - 0.36 - 0.44 - 0.55 V IOZ OFF-state output current VI =VIH or VIL; VO =VCC or GND; VCC = 5.5 V -- ±0.25 - ±2.5 - ±10.0 µA II input leakage current VI = 5.5 V or GND; VCC = 0 V to 5.5 V - - 0.1 - 1.0 - 2.0 µA ICC supply current VI =VCC or GND; IO = 0 A; VCC = 5.5 V - - 4.0 - 40 - 80 µA © Nexperia B.V. 2017. All rights reserved |
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