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74AHCT123APW Datasheet(PDF) 7 Page - NXP Semiconductors |
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74AHCT123APW Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 21 page 74AHC_AHCT123A_2 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 02 — 18 January 2008 7 of 21 NXP Semiconductors 74AHC123A; 74AHCT123A Dual retriggerable monostable multivibrator with reset 8. Recommended operating conditions 9. Static characteristics Table 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 74AHC123A 74AHCT123A 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 74AHC123A 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 II input leakage current VI = 5.5 V or GND; VCC = 0 V to 5.5 V nREXT/CEXT [1] -- ±0.25 - ±2.5 - ±10.0 µA pin nA, nB, nRD - - ±0.1 - ±1.0 - ±2.0 µA |
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