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MC14032B Scheda tecnica(PDF) 3 Page - Motorola, Inc |
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MC14032B Scheda tecnica(HTML) 3 Page - Motorola, Inc |
3 / 7 page MOTOROLA CMOS LOGIC DATA MC14032B MC14038B 130 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 A, B or Invert to Sum tPLH, tPHL = (1.7 ns/pF) CL + 195 ns tPLH, tPHL = (0.66 ns/pF) CL + 87 ns tPLH, tPHL = (0.5 ns/pF) CL + 65 ns tPLH, tPHL 5.0 10 15 — — — 280 120 90 1400 300 230 ns Clock to Sum tPLH, tPHL = (1.7 ns/pF) CL + 415 ns tPLH, tPHL = (0.66 ns/pF) CL + 147 ns tPLH, tPHL = (0.5 ns/pF) CL + 110 ns 5.0 10 15 — — — 500 180 135 2400 600 450 ns Input Setup Time tsu 5.0 10 15 10 10 10 – 10 0 0 — — — ns Clock Pulse Frequency fcl 5.0 10 15 — — — 4.0 10 12 1.0 2.5 4.0 MHz Clock Rise and Fall Times tTHL, tTLH 5.0 10 15 — — — — — — 1 5 5 4 µs * 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. TIMING DIAGRAMS MC14032B MC14038B A B C INV CR S WORD 1 + WORD 2 WORD 3 + WORD 4 TRUE SUM COMPLEMENTED SUM WORD 1: WORD 2: 0.0111100 0.0110010 = = + 60 + 50 0.1101110 = + 110 WORD 3: WORD 4: 1.1011011 1.1001110 = = – 37 – 50 1.0101001 = – 87 WORD 1: WORD 2: 1.1000011 1.1001101 = = – 61 – 51 1.0010000 = – 112 WORD 3: WORD 4: 0.0100100 0.0110001 = = + 36 + 49 0.1010101 = + 85 TRUE SUM COMPLEMENTED SUM WORD 1 + WORD 2 WORD 3 + WORD 4 A B C INV CR S NOTE: Unused input pins must be connected to either VDD or VSS. |
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