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DM74LS40 Arkusz danych(PDF) 2 Page - National Semiconductor (TI) |
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DM74LS40 Arkusz danych(HTML) 2 Page - National Semiconductor (TI) |
2 / 4 page Absolute Maximum Ratings (Note) Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range 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 DM74LS40 Units Min Nom Max 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 12 mA IOL Low Level Output Current 24 mA TA Free Air Operating Temperature 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 27 V Voltage VIL e Max VOL Low Level Output VCC e Min IOL e Max 05 V Voltage VIH e Min IOL e 12 mA VCC e Min 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 VCC e Max b 30 b 130 mA Output Current (Note 2) ICCH Supply Current with VCC e Max VIN e GND 10 mA Outputs High ICCL Supply Current with VCC e Max VIN e OPEN 60 mA Outputs Low Note 1 All typicals are at VCC e 5V TA e 25 C Note 2 Note more than one output should be shorted at a time and the duration should not exceed one second 2 |
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