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SL74LS245D Scheda tecnica(PDF) 2 Page - System Logic Semiconductor |
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SL74LS245D Scheda tecnica(HTML) 2 Page - System Logic Semiconductor |
2 / 4 page SL74LS245 System Logic Semiconductor SLS MAXIMUM RATINGS * Symbol Parameter Value Unit VCC Supply Voltage 7.0 V VIN Input Voltage 7.0 V VOUT Output Voltage 5.5 V Tstg Storage Temperature Range -65 to +150 °C *Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Max Unit VCC Supply Voltage 4.75 5.25 V VIH High Level Input Voltage 2.0 V VIL Low Level Input Voltage 0.8 V IOH High Level Output Current -15 mA IOL Low Level Output Current 24 mA TA Ambient Temperature Range 0 +70 °C DC ELECTRICAL CHARACTERISTICS over full operating conditions Guaranteed Limit Symbol Parameter Test Conditions Min Max Unit VIK Input Clamp Voltage VCC = min, IIN = -18 mA -1.5 V VOH High Level Output Voltage VCC = min, IOH = -1.0 mA 2.7 V VCC = min, IOH = -3.0 mA 2.4 VCC = min, IOH = -15 mA 2.0 VOL Low Level Output Voltage VCC = min, IOL = 12 mA 0.4 V VCC = min, IOL = 24 mA 0.5 VT+ - VT- Hysteresis VCC = min 0.2 V IOZH Output Off Current HIGH VCC = max, VOUT = 2.7 V 20 µA IOZL Output Off Current LOW VCC = max, VOUT = 0.4 V -0.2 mA IIH High Level Input Current VCC = max, VIN = 2.7 V 20 µA VCC = max, VIN = 5.5 V (A or B) 0.1 mA VCC = max, VIN = 7.0 V for Pin1, Pin 19 0.1 IIL Low Level Input Current VCC = max, VIN = 0.4 V -0.2 mA IO Output Short Circuit Current VCC = max, VO =0 V (Note 1) -40 -225 mA ICC Supply Outputs High VCC = max 70 mA Current Outputs Low Outputs open 90 All outputs disable 95 |
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