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TC74HC273AP 데이터시트(PDF) 5 Page - Toshiba Semiconductor |
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TC74HC273AP 데이터시트(HTML) 5 Page - Toshiba Semiconductor |
5 / 8 page TC74HC273AP/AF 2007-10-01 5 AC Characteristics (CL = 15 pF, VCC = 5 V, Ta = 25°C, input: tr = tf = 6 ns) Characteristics Symbol Test Condition Min Typ. Max Unit Output transition time tTLH tTHL ⎯ ⎯ 4 8 ns Propagation delay time (CK-Q) tpLH tpHL ⎯ ⎯ 15 25 ns Propagation delay time ( CLR -Q) tpLH tpHL ⎯ ⎯ 16 27 ns Maximum clock frequency fmax ⎯ 40 67 ⎯ MHz AC Characteristics (CL = 50 pF, input: tr = tf = 6 ns) Test Condition Ta = 25°C Ta = −40~85°C Characteristics Symbol VCC (V) Min Typ. Max Min Max Unit Output transition time tTLH tTHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 25 7 6 75 15 13 ⎯ ⎯ ⎯ 95 19 16 ns Propagation delay time (CK-Q) tpLH tpHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 54 18 15 145 29 25 ⎯ ⎯ ⎯ 180 36 31 ns Propagation delay time ( CLR -Q) tpLH tpHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 60 20 17 160 32 27 ⎯ ⎯ ⎯ 200 40 34 ns Maximum clock frequency fmax ⎯ 2.0 4.5 6.0 6 30 35 18 56 66 ⎯ ⎯ ⎯ 5 24 28 ⎯ ⎯ ⎯ MHz Input capacitance CIN ⎯ ⎯ 5 10 ⎯ 10 pF Power dissipation capacitance CPD (Note) ⎯ ⎯ 43 ⎯ ⎯ ⎯ 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 flip flop) And the total CPD when n pcs. of flip flop operate can be gained by the following equation: CPD (total) = 32 + 11・n |
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