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M74HC107 Datenblatt(PDF) 5 Page - STMicroelectronics |
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M74HC107 Datenblatt(HTML) 5 Page - STMicroelectronics |
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5 / 11 page ![]() AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns) Symbol Parameter Test Conditions Value Unit VCC (V) TA =25 oC 54HC and 74HC -40 to 85 oC 74HC -55 to 125 oC 54HC Min. Typ. Max. Min. Max. Min. Max. tTLH tTHL Output Transition Time 2.0 30 75 95 110 ns 4.5 8 151922 6.0 7 131619 tPLH tPHL Propagation Delay Time (CK - Q, Q) 2.0 48 125 155 190 ns 4.5 14 25 31 38 6.0 12 21 26 32 tPLH tPHL Propagation Delay Time (CLR - Q, Q) 2.0 52 140 175 210 ns 4.5 15 28 35 42 6.0 13 24 30 36 fMAX Maximum Clock Frequency 2.0 6.2 23 5.0 4.2 MHz 4.5 31 70 25 21 6.0 37 80 30 25 tW(H) tW(L) Minimum Pulse Width (CLOCK) 2.0 20 75 95 110 ns 4.5 5 151922 6.0 4 131619 tW(L) Minimum Pulse Width (CLR) 2.0 20 75 95 110 ns 4.5 5 151922 6.0 4 131619 ts Minimum Set-up Time 2.0 28 75 95 110 ns 4.5 7 151922 6.0 6 131619 th Minimum Hold Time 2.0 0 0 0 ns 4.5 0 0 0 6.0 0 0 0 tREM Minimum Removal Time (CLR) 2.0 25 30 40 ns 4.5 5 6 8 6.0 5 5 7 CIN Input Capacitance 5 10 10 10 pF CPD (*) Power Dissipation Capacitance 32 pF (*) 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 operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN +ICC/2 (per FLIP/FLOP) M54/M74HC107 5/11 |
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