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MC14503BDG Folha de dados(PDF) 4 Page - ON Semiconductor |
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MC14503BDG Folha de dados(HTML) 4 Page - ON Semiconductor |
4 / 7 page MC14503B http://onsemi.com 4 SWITCHING CHARACTERISTICS (Note 6) (CL = 50 pF, TA = 25_C) Characteristic Symbol VDD VCC All Types Unit Typ (Note 7) Max Output Rise Time tTLH = (0.5 ns/pF) CL + 20 ns tTLH = (0.3 ns/pF) CL + 8.0 ns tTLH = (0.2 ns/pF) CL + 8.0 ns tTLH 5.0 10 15 45 23 18 90 45 35 ns Output Fall Time tTHL = (0.5 ns/pF) CL + 20 ns tTHL = (0.3 ns/pF) CL + 8.0 ns tTHL = (0.2 ns/pF) CL + 8.0 ns tTHL 5.0 10 15 45 23 18 90 45 35 ns Turn−Off Delay Time, all Outputs tPLH = (0.3 ns/pF) CL + 60 ns tPLH = (0.15 ns/pF) CL + 27 ns tPLH = (0.1 ns/pF) CL + 20 ns tPLH 5.0 10 15 75 35 25 150 70 50 ns Turn−On Delay Time, all Outputs tPHL = (0.3 ns/pF) CL + 60 ns tPHL = (0.15 ns/pF) CL + 27 ns tPHL = (0.1 ns/pF) CL + 20 ns tPHL 5.0 10 15 75 35 25 150 70 50 ns 3−State Propagation Delay Time Output “1” to High Impedance tPHZ 5.0 10 15 75 40 35 150 80 70 ns Output “0” to High Impedance tPLZ 5.0 10 15 80 40 35 160 80 70 ns High Impedance to “1” Level tPZH 5.0 10 15 65 25 20 130 50 40 ns High Impedance to “0” Level tPZL 5.0 10 15 100 35 25 200 70 50 ns 6. The formulas given are for the typical characteristics only at 25_C. 7. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance. Figure 1. Switching Time Test Circuit and Waveforms (tTLH, tTHL, tPHL, and tPLH) PULSE GENERATOR DISABLE INPUT INPUT VDD 16 VSS CL OUTPUT 20 ns 20 ns VDD VSS VOH VOL tPHL tTHL tTLH tPLH 90% 50% 10% OUTPUT INPUT tPLH tPHL 90% 50% 10% |
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