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MC74VHCXXXXD Scheda tecnica(PDF) 2 Page - ON Semiconductor |
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MC74VHCXXXXD Scheda tecnica(HTML) 2 Page - ON Semiconductor |
2 / 13 page http://onsemi.com 2 XA YA 12 A ON/OFF CONTROL 13 XB YB 43 B ON/OFF CONTROL 5 XC YC 89 C ON/OFF CONTROL 6 XD YD 11 10 D ON/OFF CONTROL 12 ANALOG OUTPUTS/INPUTS ANALOG INPUTS/OUTPUTS = XA, XB, XC, XD PIN 14 = VCC PIN 7 = GND Figure 1. Logic Diagram MAXIMUM RATINGS* Symbol Parameter Value Unit VCC Positive DC Supply Voltage (Referenced to GND) – 0.5 to + 14.0 V VIS Analog Input Voltage (Referenced to GND) – 0.5 to VCC + 0.5 V Vin Digital Input Voltage (Referenced to GND) – 0.5 to VCC + 0.5 V I DC Current Into or Out of Any Pin ± 25 mA PD Power Dissipation in Still Air, SOIC Package† TSSOP Package† 500 450 mW Tstg Storage Temperature – 65 to + 150 _C TL Lead Temperature, 1 mm from Case for 10 Seconds 260 _C *Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. †Derating — SOIC Package: – 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 Positive DC Supply Voltage (Referenced to GND) 2.0 12.0 V VIS Analog Input Voltage (Referenced to GND) GND VCC V Vin Digital Input Voltage (Referenced to GND) GND VCC V VIO* Static or Dynamic Voltage Across Switch — 1.2 V TA Operating Temperature, All Package Types – 55 + 125 _C tr, tf Input Rise and Fall Time, ON/OFF Control Inputs (Figure 14) VCC = 2.0 V VCC = 3.0 V VCC = 4.5 V VCC = 9.0 V VCC = 12.0 V 0 0 0 0 0 1000 600 500 400 250 ns *For voltage drops across the switch greater than 1.2 V (switch on), excessive VCC current may be drawn; i.e., the current out of the switch may contain both VCC and switch input components. The reliability of the device will be unaffected unless the Maximum Ratings are exceeded. 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. I/O pins must be connected to a properly terminated line or bus. |
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