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MC14549BDWR2G bảng dữ liệu(PDF) 2 Page - ON Semiconductor |
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2 / 8 page  MC14549B, MC14559B http://onsemi.com 2 SC SC(t−1) MR MR(t−1) Clock Action X X X X None X X 1 X Reset 1 0 0 0 Start Conversion 1 X 0 1 Start Conversion 1 1 0 0 Continue Conversion 0 X 0 X Continue Previous Operation TRUTH TABLES MC14549B X = Don’t Care t−1 = State at Previous Clock SC SC(t−1) EOC Clock Action X X X None 1 0 0 Start Conversion X 1 0 Continue Conversion 0 0 0 Continue Conversion 0 X 1 Retain Conversion Result 1 X 1 Start Conversion MC14559B ELECTRICAL CHARACTERISTICS (Voltages Referenced to VSS) Characteristic Symbol VDD Vdc − 55 _C 25 _C 125 _C Unit Min Max Min Typ (Note 2) Max Min Max Output Voltage “0” Level Vin = VDD or 0 VOL 5.0 10 15 − − − 0.05 0.05 0.05 − − − 0 0 0 0.05 0.05 0.05 − − − 0.05 0.05 0.05 Vdc “1” Level Vin = 0 or VDD VOH 5.0 10 15 4.95 9.95 14.95 − − − 4.95 9.95 14.95 5.0 10 15 − − − 4.95 9.95 14.95 − − − Vdc Input Voltage (Note 2) “0” Level (VO = 4.5 or 0.5 Vdc) (VO = 9.0 or 1.0 Vdc) (VO = 13.5 or 1.5 Vdc) VIL 5.0 10 15 − − − 1.5 3.0 4.0 − − − 2.25 4.50 6.75 1.5 3.0 4.0 − − − 1.5 3.0 4.0 Vdc “1” Level (VO = 0.5 or 4.5 Vdc) (VO = 1.0 or 9.0 Vdc) (VO = 1.5 or 13.5 Vdc) VIH 5.0 10 15 3.5 7.0 11 − − − 3.5 7.0 11 2.75 5.50 8.25 − − − 3.5 7.0 11 − − − Vdc Output Drive Current (VOH = 2.5 Vdc) Source (VOH = 4.6 Vdc) (VOH = 9.5 Vdc) (VOH = 13.5 Vdc) IOH 5.0 5.0 10 15 –1.2 –0.25 –0.62 –1.8 − − − − –1.0 –0.2 −0.5 –1.5 –1.7 –0.36 –0.9 –3.5 − − − − –0.7 –0.14 –0.35 –1.1 − − − − mAd c (VOL = 0.4 Vdc) Sink (VOL = 0.5 Vdc) Q Outputs (VOL = 1.5 Vdc) IOL 5.0 10 15 1.28 3.2 8.4 − − − 1.02 2.6 6.8 1.76 4.5 17.6 − − − 0.72 1.8 4.8 − − − mAd c (VOL = 0.4 Vdc) Sink (VOL = 0.5 Vdc) Pin 5, 11 only (VOL = 1.5 Vdc) 5.0 10 15 0.64 1.6 4.2 − − − 0.51 1.3 3.4 0.88 2.25 8.8 − − − 0.36 0.9 2.4 − − − mAd c Input Current Iin 15 − ±0.1 − ±0.00001 ±0.1 − ±1.0 mAdc Input Capacitance Cin − − − − 5.0 7.5 − − pF Quiescent Current (Per Package) (Clock = 0 V, Other Inputs = VDD or 0 V, Iout = 0 mA) IDD 5.0 10 15 − − − 5.0 10 20 − − − 0.005 0.010 0.015 5.0 10 20 − − − 150 300 600 mAdc Total Supply Current (Note 3, 4) (Dynamic plus Quiescent, Per Package) (CL = 50 pF on all outputs, all buffers switching) IT 5.0 10 15 IT = (0.8 mA/kHz) f + IDD IT = (1.6 mA/kHz) f + IDD IT = (2.4 mA/kHz) f + IDD mAdc Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 2. Noise immunity specified for worst−case input combination. Noise Margin for both “1” and “0” level = 1.0 V min @ VDD = 5.0 V = 2.0 V min @ VDD = 10 V = 2.5 V min @ VDD = 15 V 3. To calculate total supply current at loads other than 50 pF: IT(CL) = IT(50 pF) + 3.5 x 10−3 (CL = 50) VDDf where: IT is in mA (per package), CL in pF, VDD in V, and f in kHz is input frequency. 4. The formulas given are for the typical characteristics only at 25 _C. |
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