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MC74VHCT541AMELG Arkusz danych(PDF) 2 Page - ON Semiconductor |
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MC74VHCT541AMELG Arkusz danych(HTML) 2 Page - ON Semiconductor |
2 / 7 page MC74VHCT541A http://onsemi.com 2 18 Y1 2 A1 17 Y2 3 A2 16 Y3 4 A3 15 Y4 5 A4 14 Y5 6 A5 13 Y6 7 A6 12 Y7 8 A7 11 Y8 9 A8 OE1 OE2 1 19 OUTPUT ENABLES DATA INPUTS NONINVERTING OUTPUTS Figure 1. Logic Diagram Figure 2. Pin Assignment A5 A3 A2 A1 OE1 GND A8 A7 A6 A4 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 11 12 13 Y3 Y2 Y1 OE2 VCC Y8 Y7 Y6 Y5 Y4 MAXIMUM RATINGS Symbol Parameter Value Unit VCC DC Supply Voltage – 0.5 to + 7.0 V Vin DC Input Voltage – 0.5 to + 7.0 V Vout DC Output Voltage Outputs in 3−State High or Low State – 0.5 to + 7.0 – 0.5 to VCC + 0.5 V IIK Input Diode Current − 20 mA IOK Output Diode Current (VOUT < GND; VOUT > VCC) ± 20 mA Iout DC Output Current, per Pin ± 25 mA ICC DC Supply Current, VCC and GND Pins ± 75 mA PD Power Dissipation in Still Air, SOIC Package† TSSOP Package† 500 450 mW Tstg Storage Temperature – 65 to + 150 _C 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. †Derating − SOIC Packages: – 7 mW/ _C from 65_ to 125_C TSSOP Package: − 6.1 mW/ _C from 65_ to 125_C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Max Unit VCC DC Supply Voltage 4.5 5.5 V Vin DC Input Voltage 0 5.5 V Vout DC Output Voltage Outputs in 3−State High or Low State 0 0 5.5 VCC V TA Operating Temperature − 40 + 85 _C tr, tf Input Rise and Fall Time VCC =5.0V ±0.5V 0 20 ns/V Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability. 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 cir- cuit. For proper operation, Vin and Vout should be constrained to the range GND v (Vin or Vout) v VCC. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused outputs must be left open. |
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