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74HC244DB 数据表(PDF) 7 Page - NXP Semiconductors |
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74HC244DB 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 22 page 74HC_HCT244_3 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 03 — 22 December 2005 7 of 22 Philips Semiconductors 74HC244; 74HCT244 Octal buffer/line driver; 3-state VOL LOW-state output voltage VI = VIH or VIL IO =20 µA; VCC = 2.0 V - 0 0.1 V IO =20 µA; VCC = 4.5 V - 0 0.1 V IO =20 µA; VCC = 6.0 V - 0 0.1 V IO = 6.0 mA; VCC = 4.5 V - 0.15 0.26 V IO = 7.8 mA; VCC = 6 V - 0.16 0.26 V ILI input leakage current VI =VCC or GND; VCC = 6 V - - ±0.1 µA IOZ OFF-state output current VI = VIH or VIL; VO =VCC or GND - - ±0.5 µA ICC quiescent supply current VI =VCC or GND; IO = 0 A; VCC = 6.0 V - - 8.0 µA Ci input capacitance - 3.5 - pF Tamb = −40 °C to +85 °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 3.84 - - V IO = −7.8 mA; VCC = 6 V 5.34 - - 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 - - 0.33 V IO = 7.8 mA; VCC = 6 V - - 0.33 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 - - ±5.0 µA ICC quiescent supply current VI =VCC or GND; IO = 0 A; VCC = 6.0 V --80 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 |
类似零件编号 - 74HC244DB |
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类似说明 - 74HC244DB |
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