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TC74HC158AFN Datasheet(PDF) 5 Page - Toshiba Semiconductor |
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TC74HC158AFN Datasheet(HTML) 5 Page - Toshiba Semiconductor |
5 / 9 page TC74HC157,158AP/AF/AFN 2007-10-01 5 AC Characteristics (CL = 50 pF, input: tr = tf = 6 ns) Test Condition Ta = 25°C Ta = −40 to 85°C Characteristics Symbol VCC (V) Min Typ. Max Min Max Unit Output transition time tTLH tTHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 30 8 7 75 15 13 ⎯ ⎯ ⎯ 95 19 16 ns Propagation delay time (A, B-Y, Y) tpLH tpHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 36 12 10 100 20 17 ⎯ ⎯ ⎯ 125 25 21 ns Propagation delay time (SELECT-Y, Y) tpLH tpHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 50 16 14 125 25 21 ⎯ ⎯ ⎯ 155 31 26 ns Propagation delay time ( STOROBE -Y, Y) tpLH tpHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 36 12 10 115 23 20 ⎯ ⎯ ⎯ 145 29 25 ns Input capacitance CIN ⎯ ⎯ 5 10 ⎯ 10 pF TC74HC157A ⎯ 57 ⎯ ⎯ ⎯ Power dissipation capacitance CPD (Note) TC74HC158A ⎯ 53 ⎯ ⎯ ⎯ 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) |
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