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MC14040BFELG Datasheet(PDF) 4 Page - ON Semiconductor |
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MC14040BFELG Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 9 page MC14040B http://onsemi.com 4 SWITCHING CHARACTERISTICS (Note 5) (CL = 50 pF, TA = 25_C) Characteristic Symbol VDD Vdc Min Typ (Note 6) Max Unit Output Rise and Fall Time TTLH, TTHL = (1.5 ns/pF) CL + 25 ns TTLH, TTHL = (0.75 ns/pF) CL + 12.5 ns TTLH, TTHL = (0.55 ns/pF) CL + 9.5 ns tTLH, tTHL 5.0 10 15 − − − 100 50 40 200 100 80 ns Propagation Delay Time Clock to Q1 tPHL, tPLH = (1.7 ns/pF) CL + 315 ns tPHL, tPLH = (0.66 ns/pF) CL + 137 ns tPHL, tPLH = (0.5 ns/pF) CL + 95 ns Clock to Q12 tPHL, tPLH = (1.7 ns/pF) CL + 2415 ns tPHL, tPLH = (0.66 ns/pF) CL + 867 ns tPHL, tPLH = (0.5 ns/pF) CL + 475 ns tPLH, tPHL 5.0 10 15 − − − 260 115 80 520 230 160 ns 5.0 10 15 − − − 1625 720 500 3250 1440 1000 ns Propagation Delay Time Reset to Qn tPHL = (1.7 ns/pF) CL + 485 ns tPHL = (0.86 ns/pF) CL + 182 ns tPHL = (0.5 ns/pF) CL + 145 ns tPHL 5.0 10 15 − − − 370 155 115 740 310 230 ns Clock Pulse Width tWH 5.0 10 15 385 150 115 140 55 38 − − − ns Clock Pulse Frequency fcl 5.0 10 15 − − − 2.1 7.0 10.0 1.5 3.5 4.5 MHz Clock Rise and Fall Time tTLH, tTHL 5.0 10 15 No Limit ns Reset Pulse Width tWH 5.0 10 15 960 360 270 320 120 80 − − − ns Reset Removal Time trem 5.0 10 15 130 50 30 65 25 15 − − − 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. Power Dissipation Test Circuit and Waveform Figure 2. Switching Time Test Circuit and Waveforms PULSE GENERATOR PULSE GENERATOR 500 mF 0.01 mF CERAMIC VDD VSS CL CL CL ID Q1 Q2 Qn C R 20 ns 20 ns VDD VSS 90% 50% 10% CLOCK 50% DUTY CYCLE VDD VSS CL CL CL Q1 Q2 Qn C R 20 ns 20 ns CLOCK 90% 50% 10% tWH tPHL tPLH Q 90% 50% 10% tTLH tTHL |
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