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74LCX74MTR Folha de dados(PDF) 5 Page - STMicroelectronics |
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74LCX74MTR Folha de dados(HTML) 5 Page - STMicroelectronics |
5 / 11 page 74LCX74 5/11 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/2 (per Fli p-Flop) Symbol Parameter Test Conditi on 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 (CK to Q or Q) 2.7 50 500 2.5 1.5 8.0 1.5 9.2 ns 3.0 to 3.6 1.5 7.0 1.5 8.0 tPLH tPHL Propagation Delay Time (PR or CLR to Qor Q) 2.7 50 500 2.5 1.5 8.0 1.5 9.2 ns 3.0 to 3.6 1.5 7.0 1.5 8.0 tS Setup Time, HIGH or LOW level D to CK 2.7 50 500 2.5 2.5 3.5 ns 3.0 to 3.6 2.5 3.5 th Hold Time, HIGH or LOW level D to CK 2.7 50 500 2.5 1.5 1.5 ns 3.0 to 3.6 1.5 1.5 tW CK Pulse Width, HIGH or LOW PR or CLR Pulse Width, LOW 2.7 50 500 2.5 3.0 4.0 ns 3.0 to 3.6 3.0 4.0 trec Recovery Time PR or CLR to CK 2.7 50 500 2.5 00 ns 3.0 to 3.6 0 0 fMAX Clock Pulse Frequency 2.7 50 500 2.5 150 150 MHz tOSLH tOSHL Output To Output Skew Time (note1, 2) 3.0 to 3.6 50 500 2.5 1.0 1.0 ns Symbol Parameter Test Condition Value Unit VCC (V) TA =25 °C Min. Typ. Max. CIN Input Capacitance 3.3 VIN = 0 to VCC 6pF CPD Power Dissipation Capacitance (note 1) 3.3 fIN = 10MHz VIN = 0 or VCC 40 pF |
Nº de peça semelhante - 74LCX74MTR |
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Descrição semelhante - 74LCX74MTR |
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