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MC74ACT245DTR2 Fiches technique(PDF) 5 Page - ON Semiconductor |
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MC74ACT245DTR2 Fiches technique(HTML) 5 Page - ON Semiconductor |
5 / 12 page MC74AC245, MC74ACT245 http://onsemi.com 5 AC CHARACTERISTICS (For Figures and Waveforms – See Section 3) 74ACT 74ACT Symbol Parameter VCC* (V) TA = +25°C CL = 50 pF TA = –40°C to +85 °C CL = 50 pF Unit Fig. No. Min Typ Max Min Max tPLH Propagation Delay 50 15 40 75 15 80 ns 3–5 tPLH Pro agation Delay An to Bn or Bn to An 5.0 1.5 4.0 7.5 1.5 8.0 ns 3–5 tPHL Propagation Delay 50 15 40 80 10 90 ns 3–5 tPHL Pro agation Delay An to Bn or Bn to An 5.0 1.5 4.0 8.0 1.0 9.0 ns 3–5 tPZH Output Enable Time 5.0 1.5 5.0 10 1.5 11.0 ns 3–7 tPZL Output Enable Time 5.0 1.5 5.5 10 1.5 12.0 ns 3–8 tPHZ Output Disable Time 5.0 1.5 5.5 10 1.0 11.0 ns 3–7 tPLZ Output Disable Time 5.0 2.0 5.0 10 1.5 11.0 ns 3–8 *Voltage Range 5.0 V is 5.0 V ±0.5 V. CAPACITANCE Symbol Parameter Value Typ Unit Test Conditions CIN Input Capacitance 4.5 pF VCC = 5.0 V CI/O Input/Output Capacitance 15 pF VCC = 5.0 V CPD Power Dissipation Capacitance 45 pF VCC = 5.0 V |
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