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MC14549BDWR2 Folha de dados(PDF) 2 Page - ON Semiconductor |
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MC14549BDWR2 Folha de dados(HTML) 2 Page - ON Semiconductor |
2 / 9 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 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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