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DM74LS395 数据表(PDF) 2 Page - National Semiconductor (TI) |
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DM74LS395 数据表(HTML) 2 Page - National Semiconductor (TI) |
2 / 6 page Absolute Maximum Ratings (Note) Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range 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 Min Nom Max Units VCC Supply Voltage 475 5 525 V VIH High Level Input Voltage 2 V VIL Low Level Input Voltage 08 V IOH High Level Output Current b 04 mA IOL Low Level Output Current 8 mA TA Free Air Operating Temperature 0 70 C ts (H) Setup Time HIGH or LOW 20 ns ts (L) S DS or Pn to CP 20 th (H) Hold Time HIGH or LOW 5 ns th (L) S DS or Pn to CP 5 tw (L) CP Pulse Width LOW 18 ns tw (L) MR Pulse Width LOW 20 ns 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 27 V Voltage VIL e Max VOL Low Level Output VCC e Min IOL e Max 035 05 Voltage VIH e Min V IOL e 4 mA VCC e Min 025 04 II Input Current Max VCC e Max VI e 7V 01 mA Input Voltage 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 Output Current VCC e Max (Note 2) b 20 b 100 mA ICC Supply Current with VCC e Max OE DS S e 45V 29 mA Outputs OFF CP e K Pn e GND Supply Current with VCC e Max DS S e 45V 25 mA Outputs ON OE CP Pn e GND IOZH TRI-STATE Output Off VCC e VCCH 20 m A Current HIGH VOZH e 27V IOZL TRI-STATE Output Off VCC e VCCH b 20 m A Current LOW VOZL e 04V 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 |
类似零件编号 - DM74LS395 |
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类似说明 - DM74LS395 |
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