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74VHC74 Arkusz danych(PDF) 5 Page - STMicroelectronics |
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74VHC74 Arkusz danych(HTML) 5 Page - STMicroelectronics |
5 / 14 page 74VHC74 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 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/2 (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 or Q 3.3(*) 15 6.7 11.9 1.0 14.0 1.0 14.0 ns 3.3(*) 50 9.2 15.4 1.0 17.5 1.0 17.5 5.0(**) 15 4.6 7.3 1.0 8.5 1.0 8.5 5.0(**) 50 6.1 9.3 1.0 10.5 1.0 10.5 tPLH tPHL Propagation Delay Time PR or CLR to Q or Q 3.3(*) 15 7.6 12.3 1.0 14.5 1.0 14.5 ns 3.3(*) 50 10.1 15.8 1.0 18.0 1.0 18.0 5.0(**) 15 4.8 7.7 1.0 9.0 1.0 9.0 5.0(**) 50 6.3 9.7 1.0 11.0 1.0 11.0 tW CK Pulse Width HIGH or LOW 3.3(*) 6.0 7.0 7.0 ns 5.0(**) 5.0 5.0 5.0 tW PR or CLR Pulse Width LOW 3.3(*) 6.0 7.0 7.0 ns 5.0(**) 5.0 5.0 5.0 ts Setup Time D to CK HIGH or LOW 3.3(*) 6.0 7.0 7.0 ns 5.0(**) 5.0 5.0 5.0 th Hold Time D to CK HIGH or LOW 3.3(*) 0.5 0.5 0.5 ns 5.0(**) 0.5 0.5 0.5 tREM Removal Time PR or CLR to CK 3.3(*) 5.0 5.0 5.0 ns 5.0(**) 3.0 3.0 3.0 fMAX Maximum Clock Frequency 3.3(*) 15 80 125 70 70 MHz 3.3(*) 50 50 75 45 45 5.0(**) 15 130 170 110 110 5.0(**) 50 90 115 75 75 Symbol Parameter Test Condition Value Unit VCC (V) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. CIN Input Capacitance 5.0 7 10 10 10 pF CPD Power Dissipation Capacitance (note 1) 5.0 fIN = 10MHz 25 pF |
Podobny numer części - 74VHC74_04 |
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Podobny opis - 74VHC74_04 |
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