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54121FMQB Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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54121FMQB Datasheet(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 55V Operating Free Air Temperature Range DM54 b 55 Cto a125 C DM74 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 DM54121 DM74121 Units Min Nom Max Min Nom Max VCC Supply Voltage 45 5 55 475 5 525 V VTa Positive-Going Input Threshold 14 2 14 2 V Voltage at the A Input (VCC e Min) VTb Negative-Going Input Threshold 08 14 08 14 V Voltage at the A Input (VCC e Min) VTa Positive-Going Input Threshold 15 2 15 2 V Voltage at the B Input (VCC e Min) VTb Negative-Going Input Threshold 08 13 08 13 V Voltage at the B Input (VCC e Min) IOH High Level Output Current b 04 b 04 mA IOL Low Level Output Current 16 16 mA tW Input Pulse Width (Note 1) 40 40 ns dVdt Rate of Rise or Fall of 1 1 Vs Schmidt Input (B) (Note 1) dVdt Rate of Rise or Fall of 11 V ms Logic Input (A) (Note 1) REXT External Timing Resistor (Note 1) 14 30 14 40 kX CEXT External Timing Capacitance (Note 1) 0 1000 0 1000 m F DC Duty Cycle (Note 1) RT e 2kX 67 67 % RT e REXT (Max) 90 90 TA Free Air Operating Temperature b 55 125 0 70 C Note 1 TA e 25 C and VCC e 5V 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 eb12 mA b 15 V VOH High Level Output VCC e Min IOH e Max 24 34 V Voltage VIL e Max VIH e Min VOL Low Level Output VCC e Min IOL e Max 02 04 V Voltage VIH e Min VIL e Max II Input Current Max VCC e Max VI e 55V 1mA Input Voltage IIH High Level Input VCC e Max A1 A2 40 m A Current VI e 24V B80 IIL Low Level Input VCC e Max A1 A2 b 16 mA Current VI e 04V B b 32 IOS Short Circuit VCC e Max DM54 b 20 b 55 mA Output Current (Note 2) DM74 b 18 b 55 ICC Supply Current VCC e Max Quiescent 13 25 mA Triggered 23 40 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 2 |
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