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TC74HCT574AF 데이터시트(PDF) 4 Page - Toshiba Semiconductor |
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TC74HCT574AF 데이터시트(HTML) 4 Page - Toshiba Semiconductor |
4 / 7 page TC74HCT574AP/AF 2007-10-01 4 Timing Requirements (input: tr = tf = 6 ns) Test Condition Ta = 25°C Ta = −40 ~85°C Characteristics Symbol VCC (V) Typ. Limit Limit Unit Minimum pulse width (CK) tW (H) tW (L) ⎯ 4.5 5.5 ⎯ ⎯ 15 14 19 17 ns Minimum set-up time (Dn) ts ⎯ 4.5 5.5 ⎯ ⎯ 15 14 19 17 ns Minimum hold time (Dn) th ⎯ 4.5 5.5 ⎯ ⎯ 0 0 0 0 ns Clock frequency f ⎯ 4.5 5.5 ⎯ ⎯ 31 34 25 27 MHz AC Characteristics (input: tr = tf = 6 ns) Test Condition Ta = 25°C Ta = −40~85°C Characteristics Symbol CL (pF) VCC (V) Min Typ. Max Min Max Unit Output transition time tTLH tTHL ⎯ 50 4.5 5.5 ⎯ ⎯ 7 6 12 11 ⎯ ⎯ 15 14 ns 50 4.5 5.5 ⎯ ⎯ 19 16 30 27 ⎯ ⎯ 38 34 Propagation delay time (CK-Q) tpLH tpHL ⎯ 150 4.5 5.5 ⎯ ⎯ 24 21 40 35 ⎯ ⎯ 48 44 ns 50 4.5 5.5 ⎯ ⎯ 19 16 30 27 ⎯ ⎯ 38 34 Output enable time tpZL tpZH RL = 1 kΩ 150 4.5 5.5 ⎯ ⎯ 24 21 40 35 ⎯ ⎯ 48 44 ns Output disable time tpLZ tpHZ RL = 1 kΩ 50 4.5 5.5 ⎯ ⎯ 19 16 30 27 ⎯ ⎯ 38 34 ns Maximum clock frequency fmax ⎯ 50 4.5 5.5 31 34 50 60 ⎯ ⎯ 25 27 ⎯ ⎯ MHz Input capacitance CIN ⎯ ⎯ 5 10 ⎯ 10 pF Output capacitance COUT ⎯ ⎯ 10 ⎯ ⎯ ⎯ pF Power dissipation capacitance CPD (Note) ⎯ ⎯ 62 ⎯ ⎯ ⎯ 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 bit) And the total CPD when n pcs. of flip flop operate can be gained by the following equation: CPD (total) = 47 + 15・n |
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