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M74HC164 Datasheet(PDF) 5 Page - STMicroelectronics |
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M74HC164 Datasheet(HTML) 5 Page - STMicroelectronics |
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5 / 13 page ![]() M74HC164 5/13 AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr =tf =6ns) 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 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. tTLH tTHL Output Transition Time 2.0 30 75 95 110 ns 4.5 8 15 19 22 6.0 7 13 16 19 tPLH tPHL Propagation Delay Time (CLOCK - Q) 2.0 57 160 200 240 ns 4.5 19 32 40 48 6.0 16 27 34 41 tPLH tPHL Propagation Delay Time (CLEAR -Q) 2.0 60 175 220 265 ns 4.5 20 35 44 53 6.0 17 30 37 45 fMAX Maximum Clock Frequency 2.0 6.2 18 5.0 4.2 MHz 4.5 31 53 25 21 6.0 37 62 30 25 tW(H) tW(L) Minimum Pulse Width (CLOCK) 2.0 24 75 95 110 ns 4.5 6 15 19 22 6.0 5 13 16 19 tW(L) Minimum Pulse Width (CLEAR) 2.0 40 75 95 110 ns 4.5 10 15 19 22 6.0 9 13 16 19 ts Set-up Time (A, B - CK) 2.0 50 65 75 ns 4.5 10 13 15 6.0 9 11 13 th Hold Time (A, B - CK) 2.0 5 5 5 ns 4.5 5 5 5 6.0 5 5 5 tREM Minimum Removal Time 2.0 5 5 5 ns 4.5 5 5 5 6.0 5 5 5 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 5 10 10 10 pF CPD Power Dissipation Capacitance (note 1) 5.0 99 pF |
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