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TC74AC373FT Scheda tecnica(PDF) 5 Page - Toshiba Semiconductor |
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TC74AC373FT Scheda tecnica(HTML) 5 Page - Toshiba Semiconductor |
5 / 9 page TC74AC373P/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 (LE-Q) tpLH tpHL ― 3.3 ± 0.3 5.0 ± 0.5 ― ― 7.7 6.1 13.2 8.7 1.0 1.0 15.0 10.0 ns Propagation delay time (D-Q) tpLH tpHL ― 3.3 ± 0.3 5.0 ± 0.5 ― ― 7.6 5.8 12.9 8.3 1.0 1.0 14.7 9.5 ns Output enable time tpZL tpZH ― 3.3 ± 0.3 5.0 ± 0.5 ― ― 7.6 6.1 12.9 8.7 1.0 1.0 14.7 10.0 ns Output disable time tpLZ tpHZ ― 3.3 ± 0.3 5.0 ± 0.5 ― ― 7.0 5.4 11.0 7.5 1.0 1.0 12.5 8.5 ns Input capacitance CIN ― ― 5 10 ― 10 pF Output capacitance COUT ― ― 10 ― ― ― pF Power dissipation capacitance CPD (Note) ― 38 ― ― ― 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 latch) And the total CPD when n pcs. of latch operate can be gained by the following equation: CPD (total) = 26 + 12·n |
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