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MC14543B bảng dữ liệu(PDF) 2 Page - ON Semiconductor |
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2 / 8 page MC14543B http://onsemi.com 2 MAXIMUM RATINGS (Voltages Referenced to VSS) Parameter Symbol Value Unit DC Supply Voltage Range VDD − 0.5 to +18.0 V Input Voltage Range, All Inputs Vin −0.5 to VDD +0.5 V DC Input Current per Pin Iin ±10 mA Power Dissipation per Package (Note 1) PD 500 mW Operating Temperature Range TA − 55 to +125 °C Storage Temperature Range Tstg − 65 to +150 °C Maximum Continuous Output Drive Current (Source or Sink) IOHmax IOLmax 10 (per Output) mA Maximum Continuous Output Power (Source or Sink) (Note 2) POHmax POLmax 70 (per Output) mW Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. Temperature Derating: “D/DW” Package: –7.0 mW/ _C From 65_C To 125_C 2. POHmax = IOH (VOH − VDD) and POLmax = IOL (VOL − VSS) This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high−impedance circuit. For proper operation, Vin and Vout should be constrained to the range VSS ≤ (Vin or Vout) ≤ VDD. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either VSS or VDD). Unused outputs must be left open. TRUTH TABLE Inputs Outputs LD BI Ph* D C B A a b c d e f g Display X 1 0 X X X X 0 0 0 0 0 0 0 Blank 1 0 0 0 0 0 01 11 111 0 0 1 0 0 0 0 0 10 11 000 0 1 1 0 0 0 0 1 01 10 110 1 2 1 0 0 0 0 1 11 11 100 1 3 1 0 0 0 1 0 00 11 001 1 4 1 0 0 0 1 0 11 01 101 1 5 1 0 0 0 1 1 01 01 111 1 6 1 0 0 0 1 1 11 11 000 0 7 1 0 0 1 0 0 01 11 111 1 8 1 0 0 1 0 0 11 11 101 1 9 1 0 0 1 0 1 0 0 0 0 0 0 0 0 Blank 1 0 0 1 0 1 1 0 0 0 0 0 0 0 Blank 1 0 0 1 1 0 0 0 0 0 0 0 0 0 Blank 1 0 0 1 1 0 1 0 0 0 0 0 0 0 Blank 1 0 0 1 1 1 0 0 0 0 0 0 0 0 Blank 1 0 0 1 1 1 1 0 0 0 0 0 0 0 Blank 00 0 X X X X ** ** † † † † Inverse of Output Display Combinations as above Above X = Don’t care † = Above Combinations * = For liquid crystal readouts, apply a square wave to Ph For common cathode LED readouts, select Ph = 0 For common anode LED readouts, select Ph = 1 ** = Depends upon the BCD code previously applied when LD = 1 |
Số phần tương tự - MC14543B_14 |
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Mô tả tương tự - MC14543B_14 |
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