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74HCT541PW Arkusz danych(PDF) 6 Page - NXP Semiconductors |
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6 / 19 page 74HC_HCT541 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. Product data sheet Rev. 3 — 15 April 2014 6 of 19 NXP Semiconductors 74HC541; 74HTC541 Octal buffer/line driver; 3-state 7. Limiting values [1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] For DIP20 packages: above 70 C the value of P tot derates linearly with 12 mW/K. For SO20 packages: above 70 C the value of P tot derates linearly with 8 mW/K. For (T)SSOP20 packages: above 60 C the value of P tot derates linearly with 5.5 mW/K. 8. Recommended operating conditions 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 V IIK input clamping current VI < 0.5 V or VI >VCC +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 0.5 V < V O < VCC +0.5 V - 35 mA ICC supply current - 70 mA IGND ground current 70 - mA Tstg storage temperature 65 +150 C Ptot total power dissipation [2] DIP20 - 750 mW SO20, SSOP20, TSSOP20 - 500 mW Table 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V) Symbol Parameter Conditions 74HC541 74HCT541 Unit Min Typ Max Min Typ Max VCC supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V VI input voltage 0 - VCC 0- VCC 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 = 2.0 V - - 625 - - - ns/V VCC = 4.5 V - 1.67 139 - 1.67 139 ns/V VCC = 6.0 V --83 - --ns/V |
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