전자부품 데이터시트 검색엔진 |
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5474 데이터시트(PDF) 3 Page - Texas Instruments |
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5474 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 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 55V Operating Free Air Temperature Range DM54 and 54 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 DM5474 DM7474 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 08 08 V IOH High Level Output Current b 04 b 04 mA IOL Low Level Output Current 16 16 mA fCLK Clock Frequency (Note 2) 0 15 0 15 MHz tW Pulse Width Clock High 30 30 (Note 2) Clock Low 37 37 ns Clear Low 30 30 Preset Low 30 30 tSU Input Setup Time (Notes12) 20 u 20 u ns tH Input Hold Time (Notes12) 5 u 5 u ns TA Free Air Operating Temperature b 55 125 0 70 C Note 1 The symbol ( u) indicates the rising edge of the clock pulse is used for reference Note 2 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 3) 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 D 40 Current VI e 24V Clock 80 m A Clear 120 Preset 40 IIL Low Level Input VCC e Max D b 16 Current VI e 04V Clock b 32 mA (Note 6) Clear b 32 Preset b 16 IOS Short Circuit VCC e Max DM54 b 20 b 55 mA Output Current (Note 4) DM74 b 18 b 55 ICC Supply Current VCC e Max (Note 5) 17 30 mA Note 3 All typicals are at VCC e 5V TA e 25 C Note 4 Not more than one output should be shorted at a time Note 5 With all outputs open ICC is measured with the Q and Q outputs high in turn At the time of measurement the clock is grounded Note 6 Clear is tested with preset high and preset is tested with clear high 2 |
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