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M54HC137 데이터시트(PDF) 5 Page - STMicroelectronics |
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M54HC137 데이터시트(HTML) 5 Page - STMicroelectronics |
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5 / 10 page ![]() M54HC137 5/10 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 (G1 - Yn) 2.0 45 115 145 175 ns 4.5 14 23 29 35 6.0 12 20 25 30 tPLH tPHL Propagation Delay Time (G2 -Yn) 2.0 50 115 145 175 ns 4.5 15 23 29 35 6.0 13 20 25 30 tPLH tPHL Propagation Delay Time (GL -Yn) 2.0 70 170 215 250 ns 4.5 22 34 43 50 6.0 19 29 37 43 tPLH tPHL Propagation Delay Time (A, B, C - Y) 2.0 70 165 205 110 ns 4.5 21 33 41 22 6.0 18 28 35 19 tW(H) tW(L) Minimum Pulse Width (GL) 2.0 12 50 65 75 ns 4.5 3 10 13 15 6.0 3 9 11 13 ts Minimum Set-up Time (A, B, C - GL) 2.0 8 50 60 75 ns 4.5 2 10 12 15 6.0 2 9 10 13 th Minimum Hold Time (A, B, C - GL) 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 55 pF |
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