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74VHC374MTR Datasheet(PDF) 5 Page - STMicroelectronics |
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74VHC374MTR Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 14 page 74VHC374 5/14 Table 7: AC Electrical Characteristics (Input tr = tf = 3ns) (*) Voltage range is 3.3V ± 0.3V (**) Voltage range is 5.0V ± 0.5V Note 1: Parameter guaranteed by design. tsoLH = |tpLHm - tpLHn|, tsoHL = |tpHLm - tpHLn| Table 8: 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 x VCC x fIN + ICC/8 (per Flip-Flop) Symbol Parameter Test Condition Value Unit VCC (V) CL (pF) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. tPLH tPHL Propagation Delay Time CK to Q 3.3(*) 15 8.1 12.7 1.0 15.0 1.0 15.0 ns 3.3(*) 50 10.6 16.2 1.0 18.5 1.0 18.5 5.0(**) 15 5.4 8.1 1.0 9.5 1.0 9.5 5.0(**) 50 6.9 10.1 1.0 11.5 1.0 11.5 tPZL tPZH Output Enable Time 3.3(*) 15 RL = 1KΩ 7.1 11.0 1.0 13.0 1.0 13.0 ns 3.3(*) 50 RL = 1KΩ 9.6 14.5 1.0 16.5 1.0 16.5 5.0(**) 15 RL = 1KΩ 5.1 7.6 1.0 9.0 1.0 9.0 5.0(**) 50 RL = 1KΩ 6.6 9.6 1.0 11.0 1.0 11.0 tPLZ tPHZ Output Disable Time 3.3(*) 15 RL = 1KΩ 10.2 14.0 1.0 16.0 1.0 16.0 ns 3.3(*) 50 RL = 1KΩ 6.1 8.8 1.0 10.0 1.0 10.0 tw Clock Pulse Width HIGH or LOW 3.3(*) 5.0 5.5 5.5 ns 5.0(**) 5.0 5.0 5.0 ts Setup Time D to CK HIGH or LOW 3.3(*) 4.5 4.5 4.5 ns 5.0(**) 3.0 3.0 3.0 th Hold Time D to CK HIGH or LOW 3.3(*) 2.0 2.0 2.0 ns 5.0(**) 2.0 2.0 2.0 fMAX Maximum Clock Frequency 3.3(*) 60 250 60 60 MHz 5.0(**) 100 270 100 100 tOSLH tOSHL Output to Output Skew time (note 1) 3.3(*) 50 1.5 1.5 1.5 ns 5.0(**) 50 1.0 1.0 1.0 Symbol Parameter Test Condition Value Unit TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. CIN Input Capacitance 710 10 10 pF COUT Output Capacitance 9pF CPD Power Dissipation Capacitance (note 1) 32 pF |
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