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MC74ACT244 Arkusz danych(PDF) 2 Page - Motorola, Inc |
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MC74ACT244 Arkusz danych(HTML) 2 Page - Motorola, Inc |
2 / 6 page MC74AC244 MC74ACT244 5-2 FACT DATA MAXIMUM RATINGS* Symbol Parameter Value Unit VCC DC Supply Voltage (Referenced to GND) –0.5 to +7.0 V Vin DC Input Voltage (Referenced to GND) –0.5 to VCC +0.5 V Vout DC Output Voltage (Referenced to GND) –0.5 to VCC +0.5 V Iin DC Input Current, per Pin ±20 mA Iout DC Output Sink/Source Current, per Pin ±50 mA ICC DC VCC or GND Current per Output Pin ±50 mA Tstg Storage Temperature –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 Typ Max Unit VCC Supply Voltage ′AC 2.0 5.0 6.0 V VCC Supply Voltage ′ACT 4.5 5.0 5.5 V Vin, Vout DC Input Voltage, Output Voltage (Ref. to GND) 0 VCC V tr, tf Input Rise and Fall Time (Note 1) ′AC Devices except Schmitt Inputs VCC @ 3.0 V 150 tr, tf Input Rise and Fall Time (Note 1) ′AC Devices except Schmitt Inputs VCC @ 4.5 V 40 ns/V r, tf ′AC Devices except Schmitt Inputs VCC @ 5.5 V 25 tr, tf Input Rise and Fall Time (Note 2) ′ACT Devices except Schmitt Inputs VCC @ 4.5 V 10 ns/V tr, tf Input Rise and Fall Time (Note 2) ′ACT Devices except Schmitt Inputs VCC @ 5.5 V 8.0 ns/V TJ Junction Temperature (PDIP) 140 °C TA Operating Ambient Temperature Range –40 25 85 °C IOH Output Current — High –24 mA IOL Output Current — Low 24 mA 1. Vin from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times. 2. Vin from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times. |
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