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MC74VHC139DTR2 数据表(PDF) 3 Page - ON Semiconductor |
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MC74VHC139DTR2 数据表(HTML) 3 Page - ON Semiconductor |
3 / 8 page MC74VHC139 http://onsemi.com 3 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 –0.5 to VCC + 0.5 V IIK Input Diode Current −20 mA IOK Output Diode Current ±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 Packages† TSSOP Package† 500 450 mW Tstg Storage Temperature –65 to +150 °C Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, 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 2.0 5.5 V Vin DC Input Voltage 0 5.5 V Vout DC Output Voltage 0 VCC V TA Operating Temperature −55 +125 °C tr, tf Input Rise and Fall Time VCC = 3.3 V ±0.3V (Figure 3) VCC =5.0 V ±0.5V 0 0 100 20 ns/V The qJA of the package is equal to 1/Derating. Higher junction temperatures may affect the expected lifetime of the device per the table and figure below. DEVICE JUNCTION TEMPERATURE VERSUS TIME TO 0.1% BOND FAILURES Junction Temperature ( °C) Time, Hours Time, Years 80 1,032,200 117.8 90 419,300 47.9 100 178,700 20.4 110 79,600 9.4 120 37,000 4.2 130 17,800 2.0 140 8,900 1.0 1 1 10 100 1000 TIME, YEARS FAILURE RATE OF PLASTIC = CERAMIC UNTIL INTERMETALLICS OCCUR Figure 5. Failure Rate vs. Time Junction Temperature 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. |
类似零件编号 - MC74VHC139DTR2 |
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类似说明 - MC74VHC139DTR2 |
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