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DM7476 数据表(PDF) 2 Page - National Semiconductor (TI) |
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DM7476 数据表(HTML) 2 Page - National Semiconductor (TI) |
2 / 4 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 DM5476 DM7476 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 6) 0 15 0 15 MHz tW Pulse Width Clock High 20 20 (Note 6) Clock Low 47 47 ns Preset Low 25 25 Clear Low 25 25 tSU Input Setup Time (Notes16) 0 u 0 u ns tH Input Hold Time (Notes16) 0 v 0 v ns 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 2) 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 J K 40 Current VI e 24V Clock 80 m A Clear 80 Preset 80 IIL Low Level Input VCC e Max J K b 16 Current VI e 04V Clock b 32 mA (Note 5) Clear b 32 Preset b 32 IOS Short Circuit VCC e Max DM54 b 20 b 55 mA Output Current (Note 3) DM74 b 18 b 55 ICC Supply Current VCC e Max (Note 4) 18 34 mA Note 1 The symbol ( u v) indicates the edge of the clock pulse is used for reference (u) for rising edge (v) for falling edge Note 2 All typicals are at VCC e 5V TA e 25 C Note 3 Not more than one output should be shorted at a time Note 4 With all outputs open ICC is measured with the Q and Q outputs high in turn At the time of measurement the clock input is grounded Note 5 Clear is measured with preset high and preset is measured with clear high Note 6 TA e 25 C and VCC e 5V 2 |
类似零件编号 - DM7476 |
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类似说明 - DM7476 |
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