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DM54LS447W Arkusz danych(PDF) 2 Page - National Semiconductor (TI) |
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DM54LS447W Arkusz danych(HTML) 2 Page - National Semiconductor (TI) |
2 / 6 page Absolute Maximum Ratings (Note) If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range DM54LS b 55 Cto a125 C DM74LS 0 Cto a70 C Storage Temperature Range b 65 Cto a150 C Note The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaran- teed The device should not be operated at these limits The parametric values defined in the ‘‘Electrical Characteristics’’ table are not guaranteed at the absolute maximum ratings The ‘‘Recommended Operating Conditions’’ table will define the conditions for actual device operation Recommended Operating Conditions Symbol Parameter DM54LS447 DM74LS447 Units Min Nom Max Min Nom Max VCC Supply Voltage 45 5 55 475 5 525 V VIH High Level Input Voltage 2 2 V VIL Low Level Input Voltage 07 08 V IOH High Level Output Current (BI RBO) b 50 b 50 m A IOL Low Level Output Current 12 24 mA TA Free Air Operating Temperature b 55 125 0 70 C Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units (Note 1) VI Input Clamp Voltage VCC e Min II eb18 mA b 15 V VOH High Level Output VCC e Min IOH e Max DM54 24 V Voltage VIL e Max (BI RBO) DM74 24 34 IOFF High Level Output Current Segment Outputs VO e 70V (a–g) 250 m A VOL Low Level Output VCC Min IOL e Max DM54 04 Voltage VIH e Min DM74 035 05 V IOL e 12 mA VCC e Min DM74 025 04 II Input Current Max VCC e Max VI e 7V 01 mA Input Voltage VI e 10V (DM54) IIH High Level Input Current VCC e Max VI e 27V 20 m A IIL Low Level Input Current VCC e Max VI e 04V Others b 04 mA BI RBO Inputs b 12 mA IOS Short Circuit VCC e Max DM54 b 03 b 20 mA Output Current (Note 2) DM74 b 03 b 20 ICC Supply Current VCC e Max 13 mA Note 1 All typicals are at VCC e 5V TA e 25 C Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second Switching Characteristics at VCC e 5V TA e 25 C Symbol Parameter RL e 2kX CL e 15 pF Units Min Max tPLH Propagation Delay 100 ns tPHL 100 2 |
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