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MC14528B Folha de dados(PDF) 4 Page - ON Semiconductor |
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MC14528B Folha de dados(HTML) 4 Page - ON Semiconductor |
4 / 9 page MC14528B http://onsemi.com 4 SWITCHING CHARACTERISTICS (CL = 50 pF, TA = 25_C) (Note 4) Characteristic Symbol CX pF RX k W VDD Vdc Min Typ (Note 5) 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 Turn−Off, Turn−On Delay Time — A or B to Q or Q tPLH, tPHL = (1.7 ns/pF) CL + 240 ns tPLH, tPHL = (0.66 ns/pF) CL + 87 ns tPLH, tPHL = (0.5 ns/pF) CL + 65 ns tPLH, tPHL 15 5.0 5.0 10 15 − − − 325 120 90 650 240 180 ns Turn−Off, Turn−On Delay Time — A or B to Q or Q tPLH, tPHL = (1.7 ns/pF) CL + 620 ns tPLH, tPHL = (0.66 ns/pF) CL + 257 ns tPLH, tPHL = (0.5 ns/pF) CL + 185 ns tPLH, tPHL 1000 10 5.0 10 15 − − − 705 290 210 − − − ns Input Pulse Width — A or B tWH 15 5.0 5.0 10 15 150 75 55 70 30 30 − − − ns tWL 1000 10 5.0 10 15 − − − 70 30 30 − − − ns Output Pulse Width — Q or Q (For CX < 0.01 mF use graph for appropriate VDD level.) tW 15 5.0 5.0 10 15 − − − 550 350 300 − − − ns Output Pulse Width — Q or Q (For CX > 0.01 mF use formula: tW = 0.2 RX CX Ln [VDD – VSS]) (Note 6) tW 10,000 10 5.0 10 15 15 10 15 30 50 55 45 90 95 ms Pulse Width Match between Circuits in the same package t1 – t2 10,000 10 5.0 10 15 − − − 6.0 8.0 8.0 25 35 35 % Reset Propagation Delay — Reset to Q or Q tPLH, tPHL 15 5.0 5.0 10 15 − − − 325 90 60 600 225 170 ns 1000 10 5.0 10 15 − − − 1000 300 250 − − − ns Retrigger Time trr 15 5.0 5.0 10 15 0 0 0 − − − − − − ns 1000 10 5.0 10 15 0 0 0 − − − − − − ns External Timing Resistance RX − − − 5.0 − 1000 k W External Timing Capacitance CX − − − No Limits (Note 7) mF 4. The formulas given are for the typical characteristics only at 25 _C. 5. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance. 6. If CX > 15 mF, Use Discharge Protection Diode DX, per Figure 9. 7. RXis in W, CX is in farads, VDD and VSS in volts, PWout in seconds. |
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