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74ALVCH16244 Datasheet(PDF) 5 Page - STMicroelectronics |
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74ALVCH16244 Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 10 page 74ALVCH16244 5/10 AC ELECTRICAL CHARACTERISTICS 1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch- ing in the same direction, either HIGH or LOW (tOSLH =|tPLHm -tPLHn|, tOSHL =|tPHLm -tPHLn|) 2) Parameter guaranteed by design CAPACITIVE CHARACTERISTICS 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 xVCC xfIN +ICC/16 (per circuit) Symbol Parameter Test Condition Value Unit VCC (V) CL (pF) RL ( Ω) ts = tr (ns) -40 to 85 °C -55 to 125 °C Min. Max. Min. Max. tPLH tPHL Propagation Delay Time 1.65 to 1.95 30 1000 2.0 1 5.1 1 5.1 ns 2.3 to 2.7 30 500 2.0 1 3.7 1 3.7 2.7 50 500 2.5 1 3.6 1 3.6 3.0 to 3.6 50 500 2.5 1 3.0 1 3.0 tPZL tPZH Output Enable Time 1.65 to 1.95 30 1000 2.0 1 7.1 1 7.1 2.3 to 2.7 30 500 2.0 1 5.7 1 5.7 2.7 50 500 2.5 1 5.4 1 5.4 3.0 to 3.6 50 500 2.5 1 4.4 1 4.4 tPLZ tPHZ Output Disable Time 1.65 to 1.95 30 1000 2.0 1 6.5 1 6.5 2.3 to 2.7 30 500 2.0 1 5.2 1 5.2 2.7 50 500 2.5 1 4.6 1 4.6 3.0 to 3.6 50 500 2.5 1 4.1 1 4.1 Symbol Parameter Test Condition Value Unit VCC (V) TA =25°C Min. Typ. Max. CIN Input Capacitance Control Inputs 3.3 VIN =VCC or GND 3pF CIN Input Capacitance Data Inputs 3.3 VIN =VCC or GND 6pF COUT Output Capacitance 3.3 VIN = 0 to VCC 7pF CPD Power Dissipation Capacitance Output enabled (note 1) 3.3 fIN = 10MHz CL=50pF VIN = 0 or VCC 19 pF 2.5 16 CPD Power Dissipation Capacitance Output disabled (note 1) 3.3 5 2.5 4 |
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