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74AC139SC Scheda tecnica(PDF) 7 Page - ON Semiconductor |
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74AC139SC Scheda tecnica(HTML) 7 Page - ON Semiconductor |
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7 / 12 page ![]() 74AC139, 74ACT139 www.onsemi.com 6 AC ELECTRICAL CHARACTERISTICS FOR AC Symbol Parameter VCC (V) (Note 6) TA = +25°C TA = −40°C to +85°C Units CL = 50 pF CL = 50 pF Min Typ Max Min Max tPLH Propagation Delay An to On 3.3 4.0 8.0 11.5 3.5 13.0 ns 5.0 3.0 6.5 8.5 2.5 9.5 tPHL Propagation Delay An to On 3.3 3.0 7.0 10.0 2.5 11.0 ns 5.0 2.5 5.5 7.5 2.0 8.5 tPLH Propagation Delay En to On 3.3 4.5 9.5 12.0 3.5 13.0 ns 5.0 3.5 7.0 8.5 3.0 10.0 tPHL Propagation Delay En to On 3.3 4.0 8.0 10.0 3.0 11.0 ns 5.0 2.5 6.0 7.5 2.5 8.5 6. Voltage Range 3.3 is 3.3 V ± 0.3 V. Voltage Range 5.0 is 5.0 V ± 0.5 V. AC ELECTRICAL CHARACTERISTICS FOR ACT Symbol Parameter VCC (V) (Note 7) TA = +25°C TA = −40°C to +85°C Units CL = 50 pF CL = 50 pF Min Typ Max Min Max tPLH Propagation Delay An to On 5.0 1.5 6.0 8.5 1.5 9.5 ns tPHL Propagation Delay An to On 5.0 1.5 6.0 9.5 1.5 10.5 ns tPLH Propagation Delay En to On 5.0 2.5 7.0 10.0 2.0 11.0 ns tPHL Propagation Delay En to On 5.0 2.0 7.0 9.5 1.5 10.5 ns 7. Voltage Range 5.0 is 5.0 V ± 0.5 V CAPACITANCE Symbol Parameter Typ Units Conditions CIN Input Capacitance 4.5 pF VCC = OPEN CPD Power Dissipation Capacitance 40.0 pF VCC = 5.0V |
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