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74HCT238 Arkusz danych(PDF) 5 Page - NXP Semiconductors |
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74HCT238 Arkusz danych(HTML) 5 Page - NXP Semiconductors |
5 / 18 page 74HC_HCT238_3 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 03 — 16 July 2007 5 of 18 NXP Semiconductors 74HC238; 74HCT238 3-to-8 line decoder/demultiplexer 7. Limiting values [1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] For DIP16 packages: above 70 °C the value of P tot derates linearly at 12 mW/K. [3] For SO16 packages: above 70 °C the value of P tot derates linearly at 8 mW/K. For SSOP16 and TSSOP16 packages: above 60 °C the value of P tot derates linearly at 5.5 mW/K. For DHVQFN16 packages: above 60 °C the value of P tot derates linearly at 4.5 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 - ±25 mA ICC supply current - 50 mA IGND ground current −50 - mA Tstg storage temperature −65 +150 °C Ptot total power dissipation DIP16 package [2] - 750 mW SO16, SSOP16, TSSOP16 and DHVQFN16 packages [3] - 500 mW Table 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 74HC238 74HCT238 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 - +125 −40 - +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 |
Podobny numer części - 74HCT238 |
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Podobny opis - 74HCT238 |
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