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74LCX157SJ Fiches technique(PDF) 4 Page - Fairchild Semiconductor |
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74LCX157SJ Fiches technique(HTML) 4 Page - Fairchild Semiconductor |
4 / 9 page www.fairchildsemi.com 4 AC Electrical Characteristics Note 4: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Parameter guaranteed by design. Dynamic Switching Characteristics Capacitance Symbol Parameter TA = −40°C to +85°C, RL = 500Ω Units VCC = 3.3V ± 0.3V VCC = 2.7V VCC = 2.5V ± 0.2V CL = 50 pF CL = 50 pF CL = 30 pF Min Max Min Max Min Max tPHL Propagation Delay 1.5 7.0 1.5 8.0 1.5 8.4 ns tPLH S →Z n 1.57.0 1.58.0 1.58.4 tPHL Propagation Delay 1.5 7.0 1.5 8.0 1.5 8.4 ns tPLH E →Z n 1.57.0 1.58.0 1.58.4 tPHL Propagation Delay 1.5 5.8 1.5 6.3 1.5 7.0 ns tPLH In→Zn 1.55.8 1.56.3 1.57.0 tOSHL Output to Output Skew 1.0 ns tOSLH (Note 4) 1.0 Symbol Parameter Conditions VCC TA = 25°C Units (V) Typical VOLP Quiet Output Dynamic Peak VOL CL = 50 pF, VIH = 3.3V, VIL = 0V 3.3 0.8 V CL= 30 pF, VIH = 2.5V, VIL = 0V 2.5 0.6 VOLV Quiet Output Dynamic Valley VOL CL = 50 pF, VIH = 3.3V, VIL = 0V 3.3 −0.8 V CL= 30 pF, VIH = 2.5V, VIL = 0V 2.5 -0.6 Symbol Parameter Conditions Typical Units CIN Input Capacitance VCC = Open, VI = 0V or VCC 7pF COUT Output Capacitance VCC = 3.3V, VI = 0V or VCC 8pF CPD Power Dissipation Capacitance VCC = 3.3V, VI = 0V or VCC, f = 10 MHz 25 pF |
Numéro de pièce similaire - 74LCX157SJ |
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Description similaire - 74LCX157SJ |
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