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TC74VHC9273FK Datasheet(PDF) 5 Page - Toshiba Semiconductor |
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TC74VHC9273FK Datasheet(HTML) 5 Page - Toshiba Semiconductor |
5 / 9 page TC74VHC9273P/FT/FK 2009-04-01 5 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 ― 5.7 11.8 1.0 13.4 3.3 ± 0.3 50 ― 8.7 18.4 1.0 20.9 15 ― 4.2 7.7 1.0 8.8 Propagation delay time (CK-Q) tpLH tpHL ― 5.0 ± 0.5 50 ― 6.5 12.1 1.0 13.8 ns 15 ― 5.9 12.3 1.0 14.0 3.3 ± 0.3 50 ― 8.6 18.0 1.0 20.6 15 ― 4.3 8.0 1.0 9.1 Propagation delay time ( CLR -Q) tpHL ― 5.0 ± 0.5 50 ― 6.5 11.9 1.0 13.6 ns 15 85 140 ― 75 ― 3.3 ± 0.3 50 50 75 ― 45 ― 15 130 195 ― 115 ― Maximum clock frequency fmax ― 5.0 ± 0.5 50 80 100 ― 70 ― MHz 3.3 ± 0.3 50 ― ― 1.5 ― 1.5 Output to output skew tosLH tosHL (Note 1) 5.0 ± 0.5 50 ― ― 1.0 ― 1.0 ns Input capacitance CIN ― ― 4 10 ― 10 pF Power dissipation capacitance CPD (Note 2) ― 11 ― ― ― pF Note 1: Parameter guaranteed by design. tosLH = |tpLHm − tpLHn|, tosHL = |tpHLm − tpHLn| Note 2: 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 calculated by the following equation: CPD (total) = 7 + 4·n Input Equivalent Circuit INPUT |
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