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TC74VHC299FT 데이터시트(PDF) 7 Page - Toshiba Semiconductor |
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7 / 12 page TC74VHC299F/FT 2007-10-01 7 AC Characteristics (input: tr = tf = 3 ns) Test Condition Ta = 25°C Ta = −40 to 85°C Characteristics Symbol VCC (V) CL (pF) Min Typ. Max Min Max Unit 15 ― 12.2 17.2 1.0 19.8 3.3 ± 0.3 50 ― 14.7 20.7 1.0 23.3 15 ― 8.5 10.8 1.0 12.0 Propagation delay time (CK-QA’, QH’) tpLH tpHL ― 5.0 ± 0.5 50 ― 10.0 12.8 1.0 14.0 ns 15 ― 13.0 19.0 1.0 22.0 3.3 ± 0.3 50 ― 15.5 22.5 1.0 25.5 15 ― 9.1 11.2 1.0 13.5 Propagation delay time ( CLR -QA’, QH’) tpHL ― 5.0 ± 0.5 50 ― 10.8 13.2 1.0 15.5 ns 15 ― 10.3 14.3 1.0 16.6 3.3 ± 0.3 50 ― 12.8 17.8 1.0 20.1 15 ― 7.3 9.1 1.0 10.4 Propagation delay time (CK-QA to QH) tpLH tpHL ― 5.0 ± 0.5 50 ― 8.8 11.1 1.0 12.4 ns 15 ― 10.8 17.0 1.0 19.5 3.3 ± 0.3 50 ― 13.3 20.5 1.0 23.0 15 ― 7.7 10.5 1.0 12.0 Propagation delay time ( CLR -QA to QH) tpHL ― 5.0 ± 0.5 50 ― 9.2 12.5 1.0 14.0 ns 15 ― 13.3 16.5 1.0 19.2 3.3 ± 0.3 50 ― 14.8 19.0 1.0 21.7 15 ― 8.9 9.7 1.0 11.3 Output enable time tpZL tpZH RL = 1 kΩ 5.0 ± 0.5 50 ― 10.4 11.2 1.0 12.6 ns 3.3 ± 0.3 50 ― 18.0 21.3 1.0 24.3 Output disable time tpLZ tpHZ RL = 1 kΩ 5.0 ± 0.5 50 ― 11.8 13.2 1.0 15.0 ns 15 65 100 ― 55 ― 3.3 ± 0.3 50 55 90 ― 50 ― 15 125 160 ― 110 ― Maximum clock frequency fmax ― 5.0 ± 0.5 50 115 150 ― 100 ― MHz Input capacitance CIN ― ― 4 10 ― ― pF Bus I/O capacitance (A/QA to H/QH) COUT ― ― 8 ― ― ― pF Power dissipation capacitance CPD (Note) ― 110 ― ― ― 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 |
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