전자부품 데이터시트 검색엔진 |
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TC74AC374FT 데이터시트(PDF) 6 Page - Toshiba Semiconductor |
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TC74AC374FT 데이터시트(HTML) 6 Page - Toshiba Semiconductor |
6 / 10 page TC74AC374P/F/FT,534P/F 2007-10-01 6 Timing Requirements (input: tr = tf = 3 ns) Test Condition Ta = 25°C Ta = −40 to 85°C Characteristics Symbol VCC (V) Limit Limit Unit Minimum pulse width (CK) tW (H) tW (L) ⎯ 3.3 ± 0.3 5.0 ± 0.5 7.0 5.0 7.0 5.0 ns Minimum set-up time ts ⎯ 3.3 ± 0.3 5.0 ± 0.5 9.0 5.0 9.0 5.0 ns Minimum hold time th ⎯ 3.3 ± 0.3 5.0 ± 0.5 0.0 0.0 0.0 0.0 ns 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, Q ) tpLH tpHL ⎯ 3.3 ± 0.3 5.0 ± 0.5 ⎯ ⎯ 8.5 6.1 15.8 8.7 1.0 1.0 18.0 10.0 ns Output enable time tpZL tpZH ⎯ 3.3 ± 0.3 5.0 ± 0.5 ⎯ ⎯ 7.5 6.1 14.0 8.7 1.0 1.0 16.0 10.0 ns Output disable time tpLZ tpHZ ⎯ 3.3 ± 0.3 5.0 ± 0.5 ⎯ ⎯ 5.5 4.7 12.3 7.0 1.0 1.0 14.0 8.0 ns Maximum clock frequency fmax ⎯ 3.3 ± 0.3 5.0 ± 0.5 55 100 120 160 ⎯ ⎯ 55 100 ⎯ ⎯ MHz Input capacitance CIN ⎯ ⎯ 5 10 ⎯ 10 pF Output capacitance COUT ⎯ ⎯ 10 ⎯ ⎯ ⎯ pF Power dissipation capacitance CPD (Note) ⎯ ⎯ 37 ⎯ ⎯ ⎯ pF Note: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption 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 F/F operate can be gained by the following equation: CPD (total) = 25 + 12・n |
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