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TC74AC273FT 데이터시트(PDF) 5 Page - Toshiba Semiconductor |
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TC74AC273FT 데이터시트(HTML) 5 Page - Toshiba Semiconductor |
5 / 9 page TC74AC273P/F/FT 2007-10-01 5 AC Characteristics (CL = 50 pF, RL = 500 Ω, input: tr = tf = 3 ns) Test Condition Ta = 25°C Ta = −40 to 85°C Characteristics Symbol VCC (V) Min Typ. Max Min Max Unit Propagation delay time (CK-Q) tpLH tpHL ⎯ 3.3 ± 0.3 5.0 ± 0.5 ⎯ ⎯ 9.0 6.5 15.8 9.6 1.0 1.0 18.0 11.0 ns Propagation delay time ( CLR -Q) tpHL ⎯ 3.3 ± 0.3 5.0 ± 0.5 ⎯ ⎯ 8.0 5.9 14.0 9.2 1.0 1.0 16.0 10.5 ns Maximum clock frequency fmax ⎯ 3.3 ± 0.3 5.0 ± 0.5 55 90 110 150 ⎯ ⎯ 55 90 ⎯ ⎯ MHz Input capacitance CIN ⎯ ⎯ 5 10 ⎯ 10 pF Power dissipation capacitance CPD (Note) ⎯ 40 ⎯ ⎯ ⎯ pF Note: 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 by the equation: ICC (opr) = CPD·VCC·fIN + ICC/8 (per F/F) And the total CPD when n pcs. of flip flop operate can be gained by the following equation: CPD (total) = 29 + 11·n |
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