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MC14520B bảng dữ liệu(PDF) 4 Page - ON Semiconductor |
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MC14520B bảng dữ liệu(HTML) 4 Page - ON Semiconductor |
4 / 9 page MC14518B, MC14520B http://onsemi.com 4 SWITCHING CHARACTERISTICS (6.) (CL = 50 pF, TA = 25_C) Characteristic Symbol VDD All Types Unit Min Typ (7.) Max 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 Q/Enable to Q tPLH, tPHL = (1.7 ns/pF) CL + 215 ns tPLH, tPHL = (0.66 ns/pF) CL + 97 ns tPLH, tPHL = (0.5 ns/pF) CL + 75 ns Reset to Q tPHL = (1.7 ns/pF) CL + 265 ns tPHL = (0.66 ns/pF) CL + 117 ns tPHL = (0.66 ns/pF) CL + 95 ns tPLH, tPHL 5.0 10 15 — — — 280 115 80 560 230 160 ns tPHL 5.0 10 15 — — — 330 130 90 650 230 170 ns Clock Pulse Width tw(H) tw(L) 5.0 10 15 200 100 70 100 50 35 — — — ns Clock Pulse Frequency fcl 5.0 10 15 — — — 2.5 6.0 8.0 1.5 3.0 4.0 MHz Clock or Enable Rise and Fall Time tTHL, tTLH 5.0 10 15 — — — — — — 15 5 4 μs Enable Pulse Width tWH(E) 5.0 10 15 440 200 140 220 100 70 — — — ns Reset Pulse Width tWH(R) 5.0 10 15 280 120 90 125 55 40 — — — ns Reset Removal Time trem 5.0 10 15 – 5 15 20 – 45 – 15 – 5 — — — 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. Power Dissipation Test Circuit and Waveform PULSE GENERATOR VARIABLE WIDTH CL CL CL CL VDD VSS VSS 500 μF 0.01 μF CERAMIC 20 ns 50% 10% 90% 20 ns ID Q3 Q2 Q1 Q0 C E R |
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Mô tả tương tự - MC14520B |
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