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MC14538B Datasheet(PDF) 4 Page - ON Semiconductor |
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MC14538B Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 13 page MC14538B http://onsemi.com 4 SWITCHING CHARACTERISTICS (Note 6) (CL = 50 pF, TA = 25_C) Characteristic Symbol VDD Vdc All Types Unit Min Typ (Note 7) Max Output Rise Time tTLH = (1.35 ns/pF) CL + 33 ns tTLH = (0.60 ns/pF) CL + 20 ns tTLH = (0.40 ns/pF) CL + 20 ns tTLH 5.0 10 15 − − − 100 50 40 200 100 80 ns Output Fall Time tTHL = (1.35 ns/pF) CL + 33 ns tTHL = (0.60 ns/pF) CL + 20 ns tTHL = (0.40 ns/pF) CL + 20 ns tTHL 5.0 10 15 − − − 100 50 40 200 100 80 ns Propagation Delay Time A or B to Q or Q tPLH, tPHL = (0.90 ns/pF) CL + 255 ns tPLH, tPHL = (0.36 ns/pF) CL + 132 ns tPLH, tPHL = (0.26 ns/pF) CL + 87 ns tPLH, tPHL 5.0 10 15 − − − 300 150 100 600 300 220 ns Reset to Q or Q tPLH, tPHL = (0.90 ns/pF) CL + 205 ns tPLH, tPHL = (0.36 ns/pF) CL + 107 ns tPLH, tPHL = (0.26 ns/pF) CL + 82 ns 5.0 10 15 − − − 250 125 95 500 250 190 ns Input Rise and Fall Times Reset tr, tf 5 10 15 − − − − − − 15 5 4 ms B Input 5 10 15 − − − 300 1.2 0.4 1.0 0.1 0.05 ms A Input 5 10 15 No Limit − Input Pulse Width A, B, or Reset tWH, tWL 5.0 10 15 170 90 80 85 45 40 − − − ns Retrigger Time trr 5.0 10 15 0 0 0 − − − − − − ns Output Pulse Width — Q or Q Refer to Figures 8 and 9 CX = 0.002 mF, RX = 100 kW T 5.0 10 15 198 200 202 210 212 214 230 232 234 ms CX = 0.1 mF, RX = 100 kW 5.0 10 15 9.3 9.4 9.5 9.86 10 10.14 10.5 10.6 10.7 ms CX = 10 mF, RX = 100 kW 5.0 10 15 0.91 0.92 0.93 0.965 0.98 0.99 1.03 1.04 1.06 s Pulse Width Match between circuits in the same package. CX = 0.1 mF, RX = 100 kW 100 [(T1 – T2)/T1] 5.0 10 15 − − − ±1.0 ±1.0 ±1.0 ±5.0 ±5.0 ±5.0 % 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. |
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Descripción similar - MC14538B_14 |
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