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DM54LS259 Scheda tecnica(PDF) 2 Page - National Semiconductor (TI) |
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DM54LS259 Scheda tecnica(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 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 DM54LS259 DM74LS259 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 tW Pulse Width Enable 17 15 ns (Note 7) Clear 17 15 tSU Setup Time Data 20 u 15 u ns (Notes 1 2 37) Select 15 v 15 v tH Hold Time Data 5 u 25 u ns (Notes 1 27) Select 0 u 25 u 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 4) 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 V Voltage VIL e Max VIH e Min DM74 27 34 VOL Low Level Output VCC e Min IOL e Max DM54 04 Voltage VIL e Max 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 7V DM74 01 mA Input Voltage VI e 10V DM54 IIH High Level Input VCC e Max VI e 27V 20 m A Current IIL Low Level Input VCC e Max VI e 04V b 04 Current mA Enable VCC e Max VI e 04V b 08 IOS Short Circuit VCC e Max DM54 b 20 b 100 mA Output Current (Note 5) DM74 b 20 b 100 ICC Supply Current VCC e Max (Note 6) 22 36 mA Note 1 The symbols ( v u) indicate the edge of the clock pulse used for reference u for rising edge v for falling edge Note 2 Setup and hold times are with reference to the enable input Note 3 The select-to-enable setup time is the time before the High-to-Low enable transition that the select must be stable so that the correct latch is selected and the others not affected Note 4 All typicals are at VCC e 5V TA e 25 C Note 5 Not more than one output should be shorted at a time and the duration should not exceed one second Note 6 ICC is measured with all inputs at 45V and all outputs open Note 7 TA e 25 C and VCC e 5V 2 |
Codice articolo simile - DM54LS259 |
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Descrizione simile - DM54LS259 |
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