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MC14572UBD Folha de dados(PDF) 4 Page - ON Semiconductor |
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MC14572UBD Folha de dados(HTML) 4 Page - ON Semiconductor |
4 / 6 page MC14572UB http://onsemi.com 4 SWITCHING CHARACTERISTICS (Type 5) (CL = 50 pF, TA = 25_C) Characteristic Symbol VDD Min Typ (Note 6) Max Unit Output Rise Time tTLH = (3.0 ns/pF) CL + 30 ns tTLH = (1.5 ns/pF) CL + 15 ns tTLH = (1.1 ns/pF) CL + 10 ns tTLH 5.0 10 15 − − − 180 90 65 360 180 130 ns Output Fall Time tTHL = (1.5 ns/pF) CL + 25 ns tTHL = (0.75 ns/pF) CL + 12.5 ns tTHL = (0.55 ns/pF) CL + 9.5 ns tTHL 5.0 10 15 − − − 100 50 40 200 100 80 ns Propagation Delay Time tPLH, tPHL = (1.7 ns/pF) CL + 5 ns tPLH, tPHL = (0.66 ns/pF) CL + 17 ns tPLH, tPHL = (0.5 ns/pF) CL + 15 ns tPLH, tPHL 5.0 10 15 − − − 90 50 40 180 100 80 ns 5. The formulas given are for the typical characteristics only at 25 _C. 6. 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 Circuits and Waveforms PULSE GENERATOR PULSE GENERATOR INPUT 2 INPUT 15 VDD VDD 16 16 8 8VSS VSS CL CL 1 13 OUTPUT OUTPUT PULSE GENERATOR INPUT 7 VDD 16 5 OUTPUT 8VSS CL 6 20 ns 20 ns VDD VSS VOH VOL tr tf 90% 50% 10% 90% 50% 10% 90% 50% 10% 90% 10% 50% INPUT OUTPUT tPHL tPLH 14 |
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