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74HCT244 Datasheet(PDF) 8 Page - NXP Semiconductors |
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74HCT244 Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 22 page 74HC_HCT244_3 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 03 — 22 December 2005 8 of 22 Philips Semiconductors 74HC244; 74HCT244 Octal buffer/line driver; 3-state Tamb = −40 °C to +125 °C VIH HIGH-state input voltage VCC = 2.0 V 1.5 - - V VCC = 4.5 V 3.15 - - V VCC = 6.0 V 4.2 - - V VIL LOW-state input voltage VCC = 2.0 V - - 0.5 V VCC = 4.5 V - - 1.35 V VCC = 6.0 V - - 1.8 V VOH HIGH-state output voltage VI = VIH or VIL IO = −20 µA; VCC = 2.0 V 1.9 - - V IO = −20 µA; VCC = 4.5 V 4.4 - - V IO = −20 µA; VCC = 6.0 V 5.9 - - V IO = −6.0 mA; VCC = 4.5 V 3.7 - - V IO = −7.8 mA; VCC = 6 V 5.2 - - V VOL LOW-state output voltage VI = VIH or VIL IO =20 µA; VCC = 2.0 V - - 0.1 V IO =20 µA; VCC = 4.5 V - - 0.1 V IO =20 µA; VCC = 6.0 V - - 0.1 V IO = 6.0 mA; VCC = 4.5 V - - 0.4 V IO = 7.8 mA; VCC = 6 V - - 0.4 V ILI input leakage current VI =VCC or GND; VCC = 6 V - - ±1.0 µA IOZ OFF-state output current VI = VIH or VIL; VO =VCC or GND - - ±10.0 µA ICC quiescent supply current VI =VCC or GND; IO = 0 A; VCC = 6.0 V - - 160 µA Table 7: Static characteristics 74HC244 …continued At recommended operating conditions; voltages are referenced to GND (ground = 0V). Symbol Parameter Conditions Min Typ Max Unit Table 8: Static characteristics 74HCT244 At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Typ Max Unit Tamb =25 °C VIH HIGH-state input voltage VCC = 4.5 V to 5.5 V 2.0 1.6 - V VIL LOW-state input voltage VCC = 4.5 V to 5.5 V - 1.2 0.8 V VOH HIGH-state output voltage VI =VIH or VIL; VCC = 4.5 V IO = −20 µA 4.4 4.5 - V IO = −6.0 mA 3.98 4.32 - V VOL LOW-state output voltage VI =VIH or VIL; VCC = 4.5 V IO =20 µA - 0 0.1 V IO = 6.0 mA - 0.16 0.26 V ILI input leakage current VI =VCC or GND; VCC = 5.5 V - - ±0.1 µA IOZ OFF-state output current per input pin; VI = VIH or VIL; VO =VCC or GND; other pins at GND or VCC; IO = 0 A; VCC = 5.5 V -- ±0.5 µA ICC quiescent supply current VI =VCC or GND; IO =0A; VCC = 5.5 V - - 8.0 µA |
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