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TC74VHC257FT Folha de dados(PDF) 5 Page - Toshiba Semiconductor |
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TC74VHC257FT Folha de dados(HTML) 5 Page - Toshiba Semiconductor |
5 / 10 page TC74VHC257F/FN/FT/FK 2007-10-01 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 ― 5.8 9.3 1.0 11.0 3.3 ± 0.3 50 ― 8.3 12.8 1.0 14.5 15 ― 3.6 5.9 1.0 7.0 Propagation delay time (A, B-Y) tpLH tpHL ― 5.0 ± 0.5 50 ― 5.1 7.9 1.0 9.0 ns 15 ― 7.0 11.0 1.0 13.0 3.3 ± 0.3 50 ― 9.5 14.5 1.0 16.5 15 ― 4.0 6.8 1.0 8.0 Propagation delay time (SELECT-Y) tpLH tpHL ― 5.0 ± 0.5 50 ― 5.5 8.8 1.0 10.0 ns 15 ― 6.7 10.5 1.0 12.5 3.3 ± 0.3 50 ― 9.2 14.0 1.0 16.0 15 ― 3.6 6.8 1.0 8.0 3-state output enable time tpZL tpZH RL = 1 kΩ 5.0 ± 0.5 50 ― 5.1 8.8 1.0 10.0 ns 3.3 ± 0.3 50 ― 8.6 12.0 1.0 13.5 3-state output disable time tpLZ tpHZ RL = 1 kΩ 5.0 ± 0.5 50 ― 5.7 7.9 1.0 9.0 ns Input capacitance CIN ― ― 4 10 ― 10 pF Onput capacitance COUT ― ― 6 ― ― ― pF Power dissipation capacitance CPD (Note) ― 23 ― ― ― 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) Noise Characteristics (input: tr = tf = 3 ns) Test Condition Ta = 25°C Characteristics Symbol VCC (V) Typ. Max Unit Quiet output maximum dynamic VOL VOLP CL = 50 pF 5.0 0.3 0.8 V Quiet output minimum dynamic VOL VOLV CL = 50 pF 5.0 −0.3 −0.8 V Minimum high level dynamic input voltage VIHD CL = 50 pF 5.0 ― 3.5 V Maximum low level dynamic input voltage VILD CL = 50 pF 5.0 ― 1.5 V Input Equivalent Circuit INPUT |
Nº de peça semelhante - TC74VHC257FT |
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Descrição semelhante - TC74VHC257FT |
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