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74AHCT541BQ Scheda tecnica(PDF) 4 Page - NXP Semiconductors |
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74AHCT541BQ Scheda tecnica(HTML) 4 Page - NXP Semiconductors |
4 / 16 page 74AHC_AHCT541_3 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 03 — 12 November 2007 4 of 16 NXP Semiconductors 74AHC541; 74AHCT541 Octal buffer/line driver; 3-state 6. Functional description [1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state. 7. Limiting values [1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] Ptot derates linearly with 8 mW/K above 70 °C. [3] Ptot derates linearly with 5.5 mW/K above 60 °C. [4] Ptot derates linearly with 4.5 mW/K above 60 °C. Table 3. Functional table[1] Control Input Output OE0 OE1 An Yn LL L L LL H H XH X Z HX X Z Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Max Unit VCC supply voltage −0.5 +7.0 V VI input voltage −0.5 +7.0 V IIK input clamping current VI < −0.5 V [1] −20 - mA IOK output clamping current VO < −0.5 V or VO >VCC + 0.5 V [1] - ±20 mA IO output current VO = −0.5 V to (VCC + 0.5 V) - ±25 mA ICC supply current - 75 mA IGND ground current −75 - mA Tstg storage temperature −65 +150 °C Ptot total power dissipation Tamb = −40 °C to +125 °C SO20 package [2] - 500 mW TSSOP20 package [3] - 500 mW DHVQFN20 package [4] - 500 mW |
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