Datenblatt-Suchmaschine für elektronische Bauteile |
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MC14508BCL Datenblatt(PDF) 3 Page - Motorola, Inc |
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MC14508BCL Datenblatt(HTML) 3 Page - Motorola, Inc |
3 / 7 page MOTOROLA CMOS LOGIC DATA MC14508B 346 SWITCHING CHARACTERISTICS* (CL = 50 pF, TA = 25_C) Characteristic Symbol VDD All Types Unit Characteristic Symbol VDD 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, Dn or MR to Q tPLH, tPHL = (1.7 ns/pF) CL + 135 ns tPLH, tPHL = (0.66 ns/pF) CL + 57 ns tPLH, tPHL = (0.5 ns/pF) CL + 35 ns tPLH, tPHL 5.0 10 15 — — — 220 90 60 440 180 120 ns Master Reset Pulse Width tWH(R) 5.0 10 15 200 100 70 100 50 35 — — — ns Master Reset Removal Time trem 5.0 10 15 30 25 20 – 15 0 0 — — — ns Strobe Pulse Width tWH(S) 5.0 10 15 140 70 40 70 35 20 — — — ns Setup Time Data to Strobe tsu 5.0 10 15 50 20 10 25 10 5.0 — — — ns Hold Time Strobe to Data th 5.0 10 15 50 35 35 20 10 10 — — — ns 3–State Propagation Delay Time Output “1” to High Impedance tPHZ 5.0 10 15 — — — 55 35 30 170 100 70 ns Output “0” to High Impedance tPLZ 5.0 10 15 — — — 75 40 35 170 100 70 High Impedance to “1” Level tPZH 5.0 10 15 — — — 80 35 30 170 100 70 High Impedance to “0” Level tPZL 5.0 10 15 — — — 105 50 35 210 100 70 * 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. PIN ASSIGNMENT D1A D0A DISA STA MRA D2A Q1A Q0A D2B Q2B D3B Q3B VDD DISB D0B Q0B 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 13 11 12 21 22 23 24 MRB STB D1B Q1B Q3A VSS D3A Q2A |
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