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M74HCT137B1R Arkusz danych(PDF) 5 Page - STMicroelectronics |
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M74HCT137B1R Arkusz danych(HTML) 5 Page - STMicroelectronics |
5 / 12 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 4.5 8 151922 ns tPLH tPHL Propagation Delay Time (G1 - Y) 4.5 17 27 34 41 ns tPLH tPHL Propagation Delay Time (G2 - Y) 4.5 18 28 35 42 ns tPLH tPHL Propagation Delay Time (GL - Y) 4.5 25 39 49 59 ns tPLH tPHL Propagation Delay Time (A, B, C - Y) 4.5 24 37 46 56 ns tW(L) Minimum Pulse Width (GL) 4.5 8 151922 ns ts Minimum Set-up Time (A, B, C - GL) 4.5 5 6 8 ns th Minimum Hold Time (A, B, C - GL) 4.5 5 6 8 ns CIN Input Capacitance 5 10 10 10 pF CPD (*) Power Dissipation Capacitance 58 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 M54/M74HCT137 5/12 |
Podobny numer części - M74HCT137B1R |
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Podobny opis - M74HCT137B1R |
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