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DM54LS299W Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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DM54LS299W Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 8 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 DM54 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 DM54LS299 DM74LS299 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 Q0 Q7 b 04 b 04 mA IO0 – IO7 b 26 b 26 mA IOL Low Level Output Current Q0 Q7 4 8 mA IO0 – IO7 12 24 mA TA Free Air Operating Temperature b 55 125 0 70 C ts(H) Setup Time HIGH or LOW 24 24 ns ts(L) S0 or S1 to CP 24 24 th(H) Hold Time HIGH or LOW 5 0 ns th(L) S0 or S1 to CP 5 0 ts(H) Setup Time HIGH or LOW 15 10 ns ts(L) IOn DS0 DS7 to CP 15 10 th(H) Hold Time HIGH or LOW 5 0 ns th(L) IOn DS0 DS7 to CP 5 0 tw(H) CP Pulse Width HIGH or LOW 15 15 ns tw(L) 15 15 tw(L) MR Pulse Width LOW 15 15 ns trec Recovery Time 10 10 ns MR to CP 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 25 Voltage VIL e Max Q0 Q7 DM74 27 34 V IO0 – IO7 24 VOL Low Level Output VCC e Min IOL e Max DM54 04 Voltage VIH e Min DM74 035 05 V IOL e 4 mA VCC e Min DM74 025 04 II Input Current Max VCC e Max VI e 10V (DM54) Inputs 01 mA Input Voltage VI e 7V (DM74) Sn 02 mA 2 |
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