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74LCX646MTCX Datasheet(PDF) 6 Page - Fairchild Semiconductor |
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74LCX646MTCX Datasheet(HTML) 6 Page - Fairchild Semiconductor |
6 / 10 page www.fairchildsemi.com 6 DC Electrical Characteristics (Continued) Note 6: Outputs disabled or 3-STATE only. AC Electrical Characteristics Note 7: 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). Dynamic Switching Characteristics Capacitance Symbol Parameter Conditions VCC TA = −40°C to +85°C Units (V) Min Max ICC Quiescent Supply Current VI = VCC or GND 2.3 − 3.6 10 µA 3.6V ≤ V I, VO ≤ 5.5V (Note 6) 2.3 − 3.6 ±10 ∆I CC Increase in ICC per Input VIH = VCC −0.6V 2.3 − 3.6 500 µA 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 fMAX Maximum Clock Frequency 150 MHz tPHL Propagation Delay 1.5 7.0 1.5 8.0 1.5 8.4 ns tPLH Bus to Bus 1.5 7.0 1.5 8.0 1.5 8.4 tPHL Propagation Delay 1.5 8.5 1.5 9.5 1.5 10.5 ns tPLH Clock to Bus 1.5 8.5 1.5 9.5 1.5 10.5 tPHL Propagation Delay 1.5 8.5 1.5 9.5 1.5 10.5 ns tPLH Select to Bus 1.5 8.5 1.5 9.5 1.5 10.5 tPZL Output Enable Time 1.5 8.5 1.5 9.5 1.5 10.5 ns tPZH 1.58.5 1.59.5 1.5 10.5 tPLZ Output Disable Time 1.5 8.5 1.5 9.5 1.5 10.5 ns tPHZ 1.58.5 1.59.5 1.5 10.5 tS Setup Time 2.5 2.5 4.0 ns tH Hold Time 1.5 1.5 2.0 ns tW Pulse Width 3.3 3.3 4.0 ns tOSHL Output to Output Skew 1.0 ns tOSLH (Note 7) 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 CI/O Input/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 |
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