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TC74VHCV244FK Datasheet(PDF) 5 Page - Toshiba Semiconductor |
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TC74VHCV244FK Datasheet(HTML) 5 Page - Toshiba Semiconductor |
5 / 9 page TC74VHCV240,244FT/FK 2010-07-09 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 ⎯ 6.4 11.6 1.0 14.0 2.5 ± 0.2 50 ⎯ 9.2 14.4 1.0 17.0 15 ⎯ 5.0 7.5 1.0 9.0 3.3 ± 0.3 50 ⎯ 7.0 11.0 1.0 12.5 15 ⎯ 3.9 5.5 1.0 6.5 Propagation delay time (TC74VHCV240) tpLH tpHL ⎯ 5.0 ± 0.5 50 ⎯ 5.4 7.5 1.0 8.5 ns 15 ⎯ 6.7 12.5 1.0 15.0 2.5 ± 0.2 50 ⎯ 9.5 15.3 1.0 18.0 15 ⎯ 5.0 8.4 1.0 10.0 3.3 ± 0.3 50 ⎯ 7.2 11.9 1.0 13.5 15 ⎯ 3.8 5.5 1.0 6.5 Propagation delay time (TC74VHCV244) tpLH tpHL ⎯ 5.0 ± 0.5 50 ⎯ 5.4 7.5 1.0 8.5 ns 15 ⎯ 7.8 14.6 1.0 17.0 2.5 ± 0.2 50 ⎯ 11.1 17.8 1.0 21.0 15 ⎯ 5.7 10.6 1.0 12.5 3.3 ± 0.3 50 ⎯ 8.4 14.1 1.0 16.0 15 ⎯ 4.1 7.3 1.0 8.5 3-state output enable time tpZL tpZH RL = 1 kΩ 5.0 ± 0.5 50 ⎯ 6.2 9.3 1.0 10.5 ns 2.5 ± 0.2 50 ⎯ 14.3 19.2 1.0 21.0 3.3 ± 0.3 50 ⎯ 10.9 14.0 1.0 16.0 3-state output disable time tpLZ tpHZ RL = 1 kΩ 5.0 ± 0.5 50 ⎯ 8.7 9.2 1.0 10.5 ns 2.5 ± 0.2 50 ⎯ ― 2.0 ― 2.0 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 Output capacitance COUT ⎯ ⎯ 6 ⎯ ⎯ ⎯ pF TC74VHCV240 ⎯ 20 ⎯ ⎯ ⎯ Power dissipation capacitance (Note 2) CPD TC74VHCV244 ⎯ 21 ⎯ ⎯ ⎯ 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) |
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