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MC14020B Arkusz danych(PDF) 3 Page - Motorola, Inc |
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MC14020B Arkusz danych(HTML) 3 Page - Motorola, Inc |
3 / 6 page MOTOROLA CMOS LOGIC DATA 89 MC14020B SWITCHING CHARACTERISTICS (CL = 50 pF, TA = 25_C) Characteristic Symbol VDD Vdc Min Typ # 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 + 175 ns tPHL, tPLH = (0.66 ns/pF) CL + 82 ns tPHL, tPLH = (0.5 ns/pF) CL + 55 ns tPLH, tPHL 5.0 10 15 — — — 260 115 80 520 230 160 ns Clock to Q14 tPHL, tPLH – (1.7 ns/pF) CL + 1735 ns tPHL, tPLH = (0.66 ns/pF) CL + 772 ns tPHL, tPLH = (0.5 ns/pF) CL + 535 ns 5.0 10 15 — — — 1820 805 560 3900 1725 1200 ns Propagation Delay Time Reset to Qn tPHL = (1.7 ns/pF) CL + 285 ns tPHL = (0.66 ns/pF) CL + 122 ns tPHL = (0.5 ns/pF) CL + 90 ns tPHL 5.0 10 15 — — — 370 155 115 740 310 230 ns Clock Pulse Width tWH 5.0 10 15 500 165 125 140 55 38 — — — ns Clock Pulse Frequency fcl 5.0 10 15 — — — 2.0 6.0 8.0 1.0 3.0 4.0 MHz Clock Rise and Fall Time tTLH, tTHL 5.0 10 15 No Limit — Reset Pulse Width tWL 5.0 10 15 3000 550 420 320 120 80 — — — ns Reset Removal Time trem 5.0 10 15 130 50 30 65 25 15 — — — ns * The formulas given are for the typical characteristics only at 25 _C. #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 500 µF 0.01 µF CERAMIC PULSE GENERATOR VDD CL CL CL VSS C R Q1 Q4 Qn ID VDD VSS 20 ns 20 ns CLOCK 90% 50% 10% 50% DUTY CYCLE PULSE GENERATOR VDD VSS C R Q1 Q4 Qn CL CL CL 20 ns 20 ns CLOCK 90% 50% 10% tWH tPLH tPHL 90% 50% 10% tTLH tTHL Q |
Podobny numer części - MC14020B |
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Podobny opis - MC14020B |
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