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TC74HC123AF 数据表(PDF) 9 Page - Toshiba Semiconductor |
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TC74HC123AF 数据表(HTML) 9 Page - Toshiba Semiconductor |
9 / 13 page TC74HC123AP/AF 2012-02-29 9 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-Q, Q ) tpLH tpHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 102 29 22 210 42 36 ⎯ ⎯ ⎯ 265 53 45 ns Propagation delay time ( CLR TRIGGER-Q, Q) tpLH tpHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 102 31 23 235 47 40 ⎯ ⎯ ⎯ 295 59 50 ns Propagation delay time ( CLR -Q, Q) tpLH tpHL ⎯ 2.0 4.5 6.0 ⎯ ⎯ ⎯ 68 20 16 160 32 27 ⎯ ⎯ ⎯ 200 40 34 ns Cx = 28 pF Rx = 6 kΩ (VCC = 2 V) Rx = 2 kΩ (VCC = 4.5 V, 6 V) 2.0 4.5 6.0 ⎯ ⎯ ⎯ 700 250 210 2000 400 340 ⎯ ⎯ ⎯ 2500 500 425 ns Cx = 0.01 μF Rx = 10 kΩ 2.0 4.5 6.0 90 95 95 110 105 105 130 115 115 90 95 95 130 115 115 μs Output pulse width twOUT Cx = 0.1 μF Rx = 10 kΩ 2.0 4.5 6.0 0.9 0.9 0.9 1.0 1.0 1.0 1.2 1.1 1.1 0.9 0.9 0.9 1.2 1.1 1.1 ms Output pulse width error between circuits (in same package ) ΔtwOUT ⎯ ⎯ ±1 ⎯ ⎯ ⎯ % Input capacitance CIN ⎯ ⎯ 5 10 ⎯ 10 pF Power dissipation capacitance CPD (Note) ⎯ ⎯ 162 ⎯ ⎯ ⎯ 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’・duty/100 + ICC/2 (per circuit) (ICC’: active supply current) (duty. %) |
类似零件编号 - TC74HC123AF |
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类似说明 - TC74HC123AF |
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