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TC74ACT157F 数据表(PDF) 5 Page - Toshiba Semiconductor |
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TC74ACT157F 数据表(HTML) 5 Page - Toshiba Semiconductor |
5 / 9 page TC74ACT157P/F/FT 2012-02-29 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 (A, B-Y) tpLH tpHL ― 5.0 ± 0.5 ― 5.5 8.0 1.0 9.1 ns Propagation delay time (SELECT-Y) tpLH tpHL ― 5.0 ± 0.5 ― 6.9 11.4 1.0 13.0 ns Propagation delay time ( ST -Y) tpLH tpHL ― 5.0 ± 0.5 ― 6.8 10.8 1.0 12.3 ns Input capacitance CIN ― ― 5 10 ― 10 pF Power dissipation capacitance CPD (Note) ― ― 51 ― ― ― 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/4 (per bit) |
类似零件编号 - TC74ACT157F_12 |
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类似说明 - TC74ACT157F_12 |
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