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74LCX07 датащи(PDF) 7 Page - STMicroelectronics |
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74LCX07 датащи(HTML) 7 Page - STMicroelectronics |
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7 / 15 page ![]() 74LCX07 Electrical characteristics 7/15 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 tPLZ Propagation delay time 2.7 50 500 2.5 7.0 ns 3.0 to 3.6 1.0 5.2 tPZL Propagation delay time 2.7 50 500 2.5 7.0 ns 3.0 to 3.6 1.0 5.2 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 3.3 VIN = 0 to VCC 6pF COUT Output Capacitance 3.3 VIN = 0 to VCC 14 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/6 (per gate) 3.3 fIN = 10MHz VIN = 0 or VCC 4.3 pF |
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