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DS89C387 Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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DS89C387 Datasheet(HTML) 3 Page - National Semiconductor (TI) |
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3 / 10 page ![]() Switching Characteristics (Note 4) V CC = 5V ±10%,tr,tf ≤ 6ns(Figures 1, 2, 3, 4) Symbol Parameter Conditions Min Typ Max Units t PLH,tPHL Propagation Delay S1 Open 2 6 11 ns Input to Output Skew (Note 8) S1 Open 0 0.5 3 ns t TLH,tTHL Differential Output Rise S1 Open 6 10 ns And Fall Times t PZH Output Enable Time S1 Closed 12 25 ns t PZL Output Enable Time S1 Closed 13 26 ns t PHZ Output Disable Time (Note 9) S1 Closed 4 8 ns t PLZ Output Disable Time (Note 9) S1 Closed 6 12 ns C PD Power Dissipation 100 pF Capacitance (Note 10) C IN Input Capacitance 6 pF Note 8: Skew is defined as the difference in propagation delays between complementary outputs at the crossing point. Note 9: Output disable time is the delay from the control input being switched to the output transistors turning off. The actual disable times are less than indicated due to the delay added by the RC time constant of the load. Note 10: CPD determines the no load dynamic power consumption, PD = CPD V 2CCf+I CC VCC, and the no load dynamic current consumption, IS = CPD VCC f+ ICC. Note 11: ESD Rating: HBM (1.5 k Ω, 100 pF) Inputs ≥ 1500V Outputs ≥ 1000V EIAJ (0 Ω, 200 pF) All Pins ≥ 350V Logic Diagram DS012086-3 www.national.com 3 |
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