поискавой системы для электроныых деталей |
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DM74LS55 датащи(PDF) 2 Page - National Semiconductor (TI) |
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DM74LS55 датащи(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 DM54LS55 DM74LS55 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 b 04 b 04 mA IOL Low Level Output Current 4 8 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 Voltage VCC e Min IOH e Max DM54 25 V VIL e Max DM74 27 VOL Low Level Output Voltage VCC e Min IOL e Max DM54 04 VIH e Min DM74 05 V IOL e 4 mA VCC e Min DM74 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 b 04 mA IOS Short Circuit VCC e Max DM54 b 20 b 100 mA Output Current (Note 2) DM74 b 20 b 100 ICCH Supply Current with Outputs High VCC e Max VIN e GND 08 mA ICCL Supply Current with Outputs Low VCC e Max VIN e Open 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 VCC ea50V TA ea25 C Symbol Parameter CL e 15 pF RL e 2kX Units Min Max tPLH Propagation Delay Time 15 ns tPHL 15 2 |
Аналогичный номер детали - DM74LS55 |
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Аналогичное описание - DM74LS55 |
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