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74LCX162244 Datasheet(PDF) 8 Page - STMicroelectronics |
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74LCX162244 Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 15 page Electrical characteristics 74LCX162244 8/15 Table 7. AC electrical characteristics Symbol Parameter Test Condition Value Unit VCC (V) CL (pF) RL ( Ω) ts = tr (ns) -40 to 85 °C Min Max tPLH tPHL Propagation delay time 2.7 50 500 2.5 1.5 5.6 ns 3.0 to 3.6 1.5 4.4 tPZL tPZH Output enable time 2.7 50 500 2.5 1.5 6.3 ns 3.0 to 3.6 1.5 5.9 tPLZ tPHZ Output disable time 2.7 50 500 2.5 1.5 6.3 ns 3.0 to 3.6 1.5 5.9 tOSLH tOSHL Output to output skew time (1) (2) 1. Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switching in the same direction, either HIGH or LOW (tOSLH = | tPLHm - tPLHn|, tOSHL = | tPHLm - tPHLn|) 2. Parameter guaranteed by design 3.0 to 3.6 50 500 2.5 1.0 ns Table 8. Capacitive characteristics Symbol Parameter Test Condition Value Unit VCC (V) TA = 25 °C Min Typ Max CIN Input capacitance 4 pF COUT Output capacitance 10 pF CPD Power dissipation capacitance (1) 1. CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/16 (per circuit) 3.3 fIN = 10MHz VIN = 0 or VCC 50 pF |
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