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74HCT138BQ Datasheet(PDF) 5 Page - NXP Semiconductors |
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74HCT138BQ Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 19 page 74HC_HCT138 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 4 — 27 June 2012 5 of 19 NXP Semiconductors 74HC138; 74HCT138 3-to-8 line decoder/demultiplexer; inverting [1] For DIP16 package: Ptot derates linearly with 12 mW/K above 70 °C. [2] For SO16 package: Ptot derates linearly with 8 mW/K above 70 °C. [3] For SSOP16 and TSSOP16 packages: Ptot derates linearly with 5.5 mW/K above 60 °C. [4] For DHVQFN16 packages: Ptot derates linearly with 4.5 mW/K above 60 °C. 8. Recommended operating conditions 9. Static characteristics Ptot total power dissipation DIP16 package [1] - 750 mW SO16 package [2] - 500 mW SSOP16 package [3] - 500 mW TSSOP16 package [3] - 500 mW DHVQFN16 package [4] - 500 mW Table 4. Limiting values …continued In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Max Unit Table 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V) Symbol Parameter Conditions 74HC138 74HCT138 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 Δt/ΔV 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 Table 6. Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Tamb = 25 °C Tamb = −40 °C to +85 °C Tamb = −40 °C to +125 °C Unit Min Typ Max Min Max Min Max 74HC138 VIH HIGH-level input voltage VCC = 2.0 V 1.5 1.2 - 1.5 - 1.5 - V VCC = 4.5 V 3.15 2.4 - 3.15 - 3.15 - V VCC = 6.0 V 4.2 3.2 - 4.2 - 4.2 - V VIL LOW-level input voltage VCC = 2.0 V - 0.8 0.5 - 0.5 - 0.5 V VCC = 4.5 V - 2.1 1.35 - 1.35 - 1.35 V VCC = 6.0 V - 2.8 1.8 - 1.8 - 1.8 V |
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