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TC74HC4538AP 데이터시트(PDF) 9 Page - Toshiba Semiconductor |
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9 / 15 page TC74HC4538AP/AF/AFN/AFT 2007-10-01 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 ― ― ― 120 30 25 250 50 43 ― ― ― 315 63 54 ns Propagation delay time ( CD -Q, Q) tpLH tpHL ― 2.0 4.5 6.0 ― ― ― 100 25 20 195 39 33 ― ― ― 245 49 42 ns CX = 0 F RX = 5 kΩ (VCC = 2 V) RX = 1 kΩ (VCC = 4.5 V, 6 V) 2.0 4.5 6.0 ― ― ― 540 180 150 1200 250 200 ― ― ― 1500 320 260 ns CX = 0.01 μF RX = 10 kΩ 2.0 4.5 6.0 70 69 69 83 77 77 96 85 85 70 69 69 96 85 85 μs Output pulse width twOUT CX = 0.1 μF RX = 10 kΩ 2.0 4.5 6.0 0.67 0.67 0.67 0.75 0.73 0.73 0.83 0.77 0.77 0.67 0.67 0.67 0.83 0.77 0.77 ms Output pulse width error between circuits (in same package) ΔtwOUT ― ― ― ±1 ― ― ― % Input capacitance CIN ― ― 5 10 ― 10 pF Power dissipation capacitance CPD (Note) ― 70 ― ― ― 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: %) |
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