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DM74LS54N bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI) |
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DM74LS54N bảng dữ liệu(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 DM54LS54 DM74LS54 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 Voltage 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 VCC e Min IOH e Max DM54LS 25 V Voltage VIL e Max DM74LS 27 VOL Low Level Output VCC e Min IOL e Max DM54LS 04 Voltage VIH e Min DM74LS 05 V IOL e 4 mA VCC e Min DM74LS 04 II Input Current Max VCC e Max VI e 7V DM74LS 01 mA Input Voltage VI e 10V DM54LS 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 DM54LS b 20 b 100 mA Output Current (Note 2) DM74LS b 20 b 100 ICCH Supply Current with VCC e Max 16 mA Outputs High VIN e GND ICCL Supply Current with VCC e Max 20 mA Outputs Low VIN e Open Switching Characteristics at VCC e 5V and TA e 25 C Symbol Parameter CL e 15 pF RL e 2kX Units Min Max tPLH Propagation Delay Time 15 ns Low to High Level Output tPHL Propagation Delay Time 15 ns High to Low Level Output 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 2 |
Số phần tương tự - DM74LS54N |
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Mô tả tương tự - DM74LS54N |
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