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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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74VHC273MTC 데이터시트(PDF) 4 Page - Fairchild Semiconductor |
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74VHC273MTC 데이터시트(HTML) 4 Page - Fairchild Semiconductor |
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4 / 7 page  www.fairchildsemi.com 4 AC Electrical Characteristics Note 4: Parameter guaranteed by design tOSLH = |tPLHmax − tPLHmin|; tOSHL = |tPHLmax − tPHLmin|. Note 5: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained from the equation: ICC (opr.) = CPD * VCC * fIN + ICC/8 (per F/F). The total CPD when n pieces of the Flip Flop operates can be calculated by the equation: CPD (total) = 22 + 9n. AC Operating Requirements Note 6: VCC is 3.3 ± 0.3V or 5.0 ± 0.5V Symbol Parameter VCC (V) TA = 25°CTA = −40°C to +85°C Units Conditions Min Typ Max Min Max fMAX Maximum Clock 3.3 ± 0.3 75 120 65 MHz CL = 15 pF Frequency 50 75 45 CL = 50 pF 5.0 ± 0.5 120 165 100 MHz CL = 15 pF 80 110 70 CL = 50 pF tPLH Propagation Delay 3.3 ± 0.3 8.7 13.6 1.0 16.0 ns CL = 15 pF tPHL Time (CK - Q) 11.2 17.1 1.0 19.5 CL = 50 pF 5.0 ± 0.5 5.8 9.0 1.0 10.5 ns CL = 15 pF 7.3 11.0 1.0 12.5 CL = 50 pF tPHL Propagation Delay 3.3 ± 0.3 8.9 13.6 1.0 16.0 ns CL = 15 pF Time (MR - Q) 11.4 17.1 1.0 19.5 CL = 50 pF 5.0 ± 0.5 5.2 8.5 1.0 10.0 ns CL = 15 pF 6.7 10.5 1.0 12.0 CL = 50 pF tOSLH Output to 3.3 ± 0.3 1.5 1.5 ns (Note 4) CL = 50 pF tOSHL Output Skew 5.0 ± 0.5 1.0 1.0 CL = 50 pF CIN Input Capacitance 4 10 10 pF VCC = Open CPD Power Dissipation 31 pF (Note 5) Capacitance Symbol Parameter VCC (V) (Note 6) TA = 25°CTA = −40°C to +85°C Units Typ Guaranteed Minimum tW(L) Minimum Pulse Width (CK) 3.3 5.5 6.5 ns tW(H) 5.0 5.0 5.0 tW(L) Minimum Pulse Width (MR) 3.3 5.0 6.0 ns 5.0 5.0 5.0 tS Minimum Setup Time 3.3 5.5 6.5 ns 5.0 4.5 4.5 tH Minimum Hold Time 3.3 1.0 1.0 ns 5.0 1.0 1.0 tREC Minimum Removal Time (MR) 3.3 2.5 2.5 ns 5.0 2.0 2.0 |
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