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74HCT245DB Datenblatt(PDF) 9 Page - NXP Semiconductors |
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74HCT245DB Datenblatt(HTML) 9 Page - NXP Semiconductors |
9 / 22 page 9397 750 14502 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 03 — 31 January 2005 9 of 22 Philips Semiconductors 74HC245; 74HCT245 Octal bus tranceiver; 3-state ∆I CC additional quiescent supply current per input pin VI =VCC − 2.1 V; other inputs at VI =VCC or GND; VCC = 4.5 V to 5.5 V; IO =0A An or Bn inputs - 40 144 µA OE input - 150 540 µA DIR input - 90 324 µA CI input capacitance - 3.5 - pF CI/O input/output capacitance - 10 - pF Tamb = −40 °C to +85 °C VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 - - V VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - - 0.8 V VOH HIGH-level output voltage VI =VIH or VIL; VCC = 4.5 V IO = −20 µA 4.4 - - V IO = −6 mA 3.84 - - V VOL LOW-level output voltage VI =VIH or VIL; VCC = 4.5 V IO =20 µA - - 0.1 V IO = 6.0 mA - - 0.33 V ILI input leakage current VI =VCC or GND; VCC = 5.5 V - - ±1.0 µA IOZ OFF-state output current VI =VIH or VIL; VCC = 5.5 V; VO =VCC or GND per input pin; other inputs at VCC or GND; IO =0A -- ±5.0 µA ICC quiescent supply current VI =VCC or GND; IO =0A; VCC = 5.5 V --80 µA ∆ICC additional quiescent supply current per input pin VI =VCC − 2.1 V; other inputs at VI =VCC or GND; VCC = 4.5 V to 5.5 V; IO =0A An or Bn inputs - - 180 µA OE input - - 675 µA DIR input - - 405 µA Tamb = −40 °C to +125 °C VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 - - V VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - - 0.8 V VOH HIGH-level output voltage VI =VIH or VIL; VCC = 4.5 V IO = −20 µA 4.4 - - V IO = −6 mA 3.7 - - V VOL LOW-level output voltage VI =VIH or VIL; VCC = 4.5 V IO =20 µA - - 0.1 V IO = 6.0 mA - - 0.4 V ILI input leakage current VI =VCC or GND; VCC = 5.5 V - - ±1.0 µA IOZ OFF-state output current VI =VIH or VIL; VCC = 5.5 V; VO =VCC or GND per input pin; other inputs at VCC or GND; IO =0A -- ±10 µA Table 8: Static characteristics type 74HCT245 …continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Typ Max Unit |
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